TW201723096A - Photosensitive resin composition and uses thereof - Google Patents

Abstract

The invention relates to a photosensitive resin composition and a color filter and a liquid crystal display element manufactured by the photosensitive resin composition. The photosensitive resin composition includes a pigment (A), a dye (B), an alkali-soluble resin (C), a compound having an unsaturated ethylenically group (D), a photoinitiator (E) and a thermal acid generating agent (F). The color filter formed by the photosensitive resin composition has good change rate for film thickness of thermal solvent.

Description

Photosensitive resin composition and application thereof

The present invention relates to a photosensitive resin composition and a photosensitive resin composition using the same to produce a color filter and a liquid crystal display element. In particular, a photosensitive resin composition is provided, and the color filter obtained by the photosensitive resin composition has a good thermal solvent film thickness change rate.

At present, color filters have been widely used in the fields of color liquid crystal displays, color facsimile machines, color cameras and the like. As the market demand is expanding, the production technology of color filters is also diversified. At present, dyeing methods, printing methods, electroplating methods, and dispersion methods have been developed, among which the dispersion method is the mainstream process.

In the dispersion method, the coloring pigment is first dispersed in a photosensitive resin, and the photosensitive resin is applied onto a glass substrate, and a specific pattern can be obtained by exposure, development, and the like. After repeating the operation three times, a pattern of a red (R), green (G), and blue (B) pixel colored layer can be obtained, and then a protective film can be applied to the pattern of the pixel colored layer as needed.

For example, as disclosed in Japanese Laid-Open Patent Publication No. Hei. It is used as an alkali-soluble resin of a photosensitive resin.

However, in the manufacturing process of the color filter, it is necessary to undergo multiple heat treatment steps, such as red (R), green (G) and blue (B), etc. (post-bake) step and formation step of transparent conductive film (ITO film), etc., these steps generally need to be operated at a high temperature of 200 ° C or higher, but the above-mentioned photosensitive resin is heated at 180 ° C for about 1 hour. It is easy to produce pigment agglomerated particles in the pixel colored layer (generally, the pigment agglomerated particles have a particle diameter of 1 μm to 10 μm), and the heat resistance of the pixel colored layer is also poor.

In order to improve the above-mentioned problem, a photosensitive resin composition comprising a polymer obtained by polymerizing an unsaturated monomer of a carboxylic acid group and a monomer containing a glycidyl group is disclosed in Japanese Laid-Open Patent Publication No. 2001-075273, and The above polymer is used as an alkali-soluble resin of a photosensitive resin. However, the color filter obtained by using the photosensitive resin composition of the prior art described above still has a problem that the rate of change of the film thickness of the hot solvent is not good.

Therefore, how to overcome the problem of poor rate of change of the thickness of the hot solvent film to meet the requirements of the current industry is an object of diligent research in the technical field to which the present invention pertains.

In the present invention, a photosensitive resin composition containing a special thermal acid generator is provided, and a photosensitive resin composition for a color filter having a high change rate of a film thickness of a hot solvent is obtained.

Accordingly, the present invention provides a photosensitive resin composition comprising: a pigment (A); a dye (B); an alkali-soluble resin (C); a compound (D) having an ethylenically unsaturated group; and a photoinitiator (E) a thermal acid generator (F) having the structure represented by the formula (I); and a solvent (G); R ^1f (SO ₃ R ^2f ) _a (I)

In the formula (I), R ^1f and R ^2f each independently represent an arbitrary substituent; and a represents an integer of 1 or more.

The present invention also provides a method of producing a color filter which forms a pixel layer using the above-mentioned photosensitive resin composition.

The present invention further provides a color filter which is produced by the aforementioned method.

The present invention further provides a liquid crystal display element comprising the aforementioned color filter.

The present invention provides a photosensitive resin composition comprising: a pigment (A); a dye (B); an alkali-soluble resin (C); a compound (D) having an ethylenically unsaturated group; and a photoinitiator (E); Thermal acid generator (F) having the structure represented by formula (I); and solvent (G); R ^1f (SO ₃ R ^2f ) _a formula (I)

In the formula (I), R ^1f and R ^2f each independently represent an arbitrary substituent; and a represents an integer of 1 or more.

The pigment (A) according to the present invention may be an inorganic pigment, an organic pigment or a combination thereof.

The inorganic pigment may be a metal compound such as a metal oxide or a metal salt, which may be selected from the group consisting of oxides of metals such as iron, cobalt, aluminum, cadmium, lead, copper, titanium, magnesium, chromium, lead, and antimony, and the foregoing. A composite oxide of a metal and a metal salt.

The organic pigment may be selected from C.1. Pigment Yellow 1, 3, 11, 12, 13, 14, 15, 16, 17, 20, 24, 31, 53, 55, 60, 61, 65, 71, 73, 74, 81, 83, 93, 95, 97, 98, 99, 100, 101, 104, 106, 108, 109, 110, 113, 114, 116, 117, 119, 120, 126, 127, 128, 129, 138, 139, 150, 151, 152, 153, 154, 155, 156, 166, 167, 168, 175; CI Pigment Orange 1, 5, 13, 14, 16, 17, 24, 34, 36, 38, 40, 43, 46, 49, 51, 61, 63, 64, 71, 73; CI Pigment Red 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 21, 22, 23, 30, 31, 32, 37, 38, 40, 41, 42, 48:1, 48:2, 48:3, 48:4, 49:1, 49:2, 50:1, 52:1, 53:1, 57, 57:1 57:2, 58:2, 58:4, 60:1, 63:1, 63:2, 64:1, 81:1, 83, 88, 90:1, 97, 101, 102, 104, 105, 106, 108, 112, 113, 114, 122, 123, 144, 146, 149, 150, 151, 155, 166, 168, 170, 171, 172, 174, 175, 176, 177, 178, 179, 180, 185, 187, 188, 190, 193, 194, 202, 206, 207, 208, 209, 215, 216, 220, 2 24, 226, 242, 243, 245, 254, 255, 264, 265; CI Pigment Violet 1, 14, 19, 23, 29, 32, 33, 36, 37, 38, 39, 40, 50; CI Pigment Blue 1, 2, 15, 15:1, 15:2, 15:3, 15:4, 15:5, 15:6, 16, 21, 22, 60, 61, 64, 66; CI Pigment Green 7, 36 , 37, 42, 58; CI pigment brown 23, 25, 28; and CI pigment black 1, 7. The above organic pigments may be used singly or in combination of plural kinds.

The average particle diameter of the pigment (A) is preferably from 10 nm to 200 nm; more preferably from 20 nm to 150 nm; most preferably from 30 nm to 130 nm.

The pigment (A) is used in an amount of 30 parts by weight to 300 parts by weight based on 100 parts by weight of the alkali-soluble resin (C); preferably 40 parts by weight to 250 parts by weight; more preferably 50 parts by weight. Up to 200 parts by weight.

If necessary, the pigment (A) can also selectively use a dispersant such as a cationic, anionic, nonionic, amphoteric, polyoxyalkylene, or fluorine-based interface. Active agent.

The aforementioned surfactant may include, but is not limited to, polyethylene oxide alkyl ethers such as polyethylene oxide lauryl ether, polyethylene oxide stearyl ether, polyethylene oxide oleyl ether; Polyethylene oxide alkyl phenyl ether surfactants such as polyethylene oxide octyl phenyl ether and polyethylene oxide nonyl phenyl ether; polyethylene glycol dilaurate and polyethylene glycol Polyethylene glycol diester surfactant such as fatty acid ester; sorbitan fatty acid ester surfactant; fatty acid modified polyester surfactant; tertiary amine modified polyurethane Surfactant; manufactured by Shin-Etsu Chemical Co., Ltd., model KP, manufactured by Toray Dow Corning Silicon, model SF-8427, manufactured by Kyoritsu Oil & Fat Chemical Industry, model Polyflow, Tochem Products Co.,Ltd.), model F-Top, manufactured by Dainippon Ink Chemical Industry, model Megafac, Sumitomo 3M, model Fluorad, Asahi Glass, model Asahi Guard and Surflon commodity. The surfactants may be used singly or in combination of plural kinds.

The dye (B) according to the present invention can be used in combination with the pigment (A), and those having ordinary skill in the art to which the present invention pertains can select a dye (B) of a specific spectrum. In the specific example of the present invention, the dye (B) is Azo dyes, azo metal complex dyes, anthraquinone dyes, indigo dyes, sulfonium dyes, phthalocyanine dyes, diphenylmethane dyes, triphenylmethane dyes, xanthene dyes, thiazine dyes, cationic dyes, cyanine dyes , nitro dyes, quinoline dyes, naphthoquinone dyes, oxazine dyes, and the like.

In a preferred embodiment of the present invention, the dye (B) is CI Solvent Red 2, CI Solvent Red 24, CI Solvent Red 27, CI Solvent Red 49, CI Solvent Red 52, CI Solvent Red 57, CI Solvent Red 89. , CI Solvent Red 111, CI Solvent Red 114, CI Solvent Red 119, CI Solvent Red 124, CI Solvent Red 135, CI Solvent Red 136, CI Solvent Red 137, CI Solvent Red 138, CI Solvent Red 139, CI Solvent Red 143 , CI Solvent Red 144, CI Solvent Red 145, CI Solvent Red 146, CI Solvent Red 147, CI Solvent Red 148, CI Solvent Red 149, CI Solvent Red 150, CI Solvent Red 151, CI Solvent Red 152, CI solvent red 155, CI solvent red 156, CI solvent red 162, CI solvent red 168, CI solvent red 169, CI solvent red 170, CI solvent red 171, CI solvent red 172, CI solvent red 177, CI solvent red 178, CI solvent red 179, CI solvent red 181, CI solvent red 190, CI solvent red 191, CI solvent red 194, CI solvent red 199, CI solvent red 200, CI solvent red 201, CI solvent red 299, CI direct red 2, CI direct red 81, CI acid red 1, CI acid red 14, CI acid red 27, CI acid red 52, CI acid red 87, CI acid red 88, CI acid red 289, CI alkaline red 1, CI medium Red 3, CI ice stained red 21, CI reduced red 1, CI reduced red 2, CI reduced red 15, CI reduced red 23, CI reduced red 41, CI reduced red 47, CI dispersed red 1, CI dispersed red 11, CI Disperse red 15, CI dispersed red 22, CI dispersed red 60, CI dispersed red 92, CI dispersed red 146, CI dispersed red 191, CI dispersed red 283, CI dispersed red 288, CI active red 12. The above dyes may be used singly or in combination depending on the desired properties.

The dye (B) is used in an amount of 5 parts by weight to 50 parts by weight, based on the amount of the alkali-soluble resin (C), preferably 10 parts by weight to 45 parts by weight; more preferably 15 parts by weight. Up to 40 parts by weight.

The alkali-soluble resin (C) according to the present invention comprises a first alkali-soluble resin (C-1) obtained by a polymerization reaction of a mixture, and the mixture contains one An epoxy compound (c-1-1) having at least two epoxy groups and a compound (c-1-2) having at least one carboxylic acid group and at least one ethylenically unsaturated group. In addition to the above, the above mixture may more optionally contain a carboxylic anhydride compound (c-1-3) and/or an epoxy group-containing compound (c-1-4).

The epoxy compound (c-1-1) having at least two epoxy groups may have a structure represented by the following formula (II-1) or the following formula (II-2). Here, the description that the epoxy compound (c-1-1) may have a structure represented by the following formula (II-1) or the following formula (II-2) also encompasses the following formula (II-1) The compound having the structure shown and the compound having the structure represented by the following formula (II-2) exist simultaneously as the epoxy compound (c-1-1). Specifically, the epoxy compound (c-1-1) having at least two epoxy groups as described above has, for example, a structure represented by the following formula (II-1):

In the formula (II-1), R ^1c , R ^2c , R ^3c and R ^4c are the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 5 carbon atoms, and a carbon number of 1 to 5. An alkoxy group, an aromatic group having 6 to 12 carbon atoms or an aralkyl group having 6 to 12 carbon atoms.

The epoxy compound (c-1-1) having at least two epoxy groups of the above formula (II-1) may include a reaction of a bisphenol fluorene with an epihalohydrin. An epoxy group-containing bisphenol quinone type compound, but is not limited thereto.

Specific examples of the bisphenol quinone type compound include, but are not limited to, 9,9-bis(4-hydroxyphenyl)fluorene, 9,9-double (4-hydroxy-3-methylphenyl)fluorene, 9,9-bis(4-hydroxy-3-chlorophenyl)fluorene [9] ,9-bis(4-hydroxy-3-chlorophenyl)fluorene],9,9-bis(4-hydroxy-3-bromophenyl)fluorene 9,9-bis(4-hydroxy-3-fluorophenyl)fluorene, 9,9-bis(4-hydroxy-3-methoxy 9,9-bis(4-hydroxy-3-methoxyphenyl)fluorene, 9,9-bis(4-hydroxy-3,5-dimethylphenyl)anthracene [9,9-bis (4-hydroxy-3,5-dimethylphenyl)fluorene],9,9-bis(4-hydroxy-3,5-dichlorophenyl)fluorene [9,9-bis(4-hydroxy-3,5-dichlorophenyl) a compound such as fluorene], 9,9-bis(4-hydroxy-3,5-dibromophenyl)fluorene.

The above-mentioned epihalohydrin may include, but is not limited to, 3-chloro- 1,2-propylene oxide (epichlorohydrin) or 3-bromo-1,2-epoxypropane (epibromohydrin).

The epoxy group-containing bisphenol quinone type compound obtained by reacting the bisphenol quinoid compound with the halogenated propylene oxide includes, but is not limited to: (1) a product manufactured by Nippon Steel Chemical Co., Ltd. : for example, ESF-300, etc.; (2) goods manufactured by Osaka Gas Co., Ltd.: for example, PG-100, EG-210, etc.; (3) manufactured by SMS Technology Co., Ltd. Goods such as SMS-F9PhPG, SMS-F9CrG, SMS-F914PG, and the like.

Next, the epoxy compound (c-1-1) having at least two epoxy groups may have a structure represented by the following formula (II-2):

In the formula (II-2), R ^5c to R ^18c are the same or different, and each independently represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms or an aromatic group having 6 to 15 carbon atoms. ; and g represents an integer from 0 to 10.

The epoxy compound (c-1-1) having at least two epoxy groups of the above formula (II-2) is, for example, obtained by the following formula (II-2-1) in the presence of an alkali metal hydroxide The compound of the structure is obtained by reacting with a halogenated propylene oxide.

In formula ^{(II-2-1), R 5c} R 18c is defined to g, respectively, and the lines ^5c and R ^18c is defined to g of the same formula R (II-2) in the, and is not repeated herein.

Further, the epoxy compound (c-1-1) having at least two epoxy groups of the above formula (II-2) is, for example, in the presence of an acid catalyst, and has a structure of the following formula (II-2-2). The compound is subjected to a condensation reaction with a phenol to form a compound having the structure of the formula (II-2-1). Next, dehydrohalogenation is carried out by adding an excess of halogenated propylene oxide to obtain an epoxy compound (c-1-1) having at least two epoxy groups as shown in the formula (II-2). .

In the above formula (II-2-2), R ^19c and R ^20c are the same or different hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms or an aromatic group having 6 to 15 carbon atoms; ¹ and T ² are each the same or different halogen atom, an alkyl group having 1 to 6 carbon atoms or an alkoxy group having 1 to 6 carbon atoms. Preferably, the aforementioned halogen atom may be, for example, chlorine or bromine, and the aforementioned alkyl group may be, for example, a methyl group, an ethyl group or a third butyl group, and the aforementioned alkoxy group may be, for example, a methoxy group or an ethoxy group.

Specific examples of the above phenols include, but are not limited to, phenol, cresol, ethylphenol, n-propylphenol, isobutylphenol, t. -t-butylphenol, octylphenol, nonylphenol, xylenol, methylbutylphenol, di-t-butylphenol , vinylphenol, propenylphenol, ethinylphenol, cyclopentylphenol, cyclohexylphenol or cyclohexylcresol. The above phenols can be generally used singly or in combination of two or more.

The compound having the structure of the above formula (II-2-2) is used in an amount of 1 mole, and the phenol is used in an amount of 0.5 mole to 20 moles, preferably 2 moles to 15 moles.

Specific examples of the acid catalyst include, but are not limited to, hydrochloric acid, Sulfuric acid, p-toluenesulfonic acid, oxalic acid, boron trifluoride, anhydrous aluminium chloride, zinc chloride, etc. Toluenesulfonic acid, sulfuric acid or hydrochloric acid is preferred. The above acid catalysts may be used singly or in combination of two or more.

Further, the amount of the acid catalyst used is not particularly limited, but the amount of the acid catalyst used is preferably 100% by weight (wt%) based on the compound having the structure of the formula (II-2-2). It is from 0.1 wt% to 30 wt%.

The above condensation reaction can be carried out in the absence of a solvent or in the presence of an organic solvent. Specific examples of the organic solvent include, but are not limited to, toluene, xylene, or methyl isobutyl ketone. The above organic solvents may be used singly or in combination of two or more.

The total amount of the compound and the phenol used based on the structure of the formula (II-2-2) is 100% by weight, and the above organic solvent is used in an amount of 50% by weight to 300% by weight, preferably 100% by weight to 250% by weight. Further, the above condensation reaction has an operation temperature of 40 ° C to 180 ° C, and the operation time of the condensation reaction is 1 hour to 8 hours.

After completion of the above condensation reaction, a neutralization treatment or a water washing treatment may be carried out. The above neutralization treatment is to adjust the pH of the solution after the reaction to pH 3 to pH 7, preferably pH 5 to pH 7. The water washing treatment may be carried out using a neutralizing agent, and the neutralizing agent is an alkaline substance, and specific examples thereof include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide; and hydrogen; Alkaline earth metal hydroxides such as calcium hydroxide and magnesium hydroxide; diethylene triamine, triethylene tetramine, aniline, phenylenediamine Organic amines such as (phenylene diamine); and ammonia, sodium dihydrogen phosphate, and the like. The above washing treatment can be carried out by a conventional method. For example, an aqueous solution containing a neutralizing agent is added to the solution after the reaction, and extraction can be carried out repeatedly. After neutralization treatment or water washing treatment, after reduction The compound which has a structure of the formula (II-2-1) can be obtained by subjecting the unreacted phenols and the solvent to distillation and concentrating by pressure heat treatment.

Specific examples of the halogenated propylene oxide include, but are not limited to, 3-chloro-1,2-epoxypropane and 3-bromo-1,2-ring. Oxypropane (3-bromo-1, 2-epoxypropane) or any combination of the above. An alkali metal hydroxide such as sodium hydroxide or potassium hydroxide may be added in advance or added to the reaction before the dehydrohalogenation reaction. The above dehydrohalogenation reaction has an operating temperature of from 20 ° C to 120 ° C and an operation time ranging from 1 hour to 10 hours.

In a specific example of the present invention, an aqueous solution of the alkali metal hydroxide added to the dehydrohalogenation reaction may be used. In this specific example, while the aqueous alkali metal hydroxide solution is continuously added to the dehydrohalogenation reaction system, water and halogenated propylene oxide can be continuously distilled off under reduced pressure or normal pressure, thereby separating and removing water. At the same time, the halogenated propylene oxide can be continuously refluxed into the reaction system.

Before the dehydrohalogenation reaction is carried out, tetramethyl ammonium chloride, tetramethyl ammonium bromide, trimethyl benzyl ammonium chloride or the like may be added. The ammonium salt is used as a catalyst, and reacted at 50 ° C to 150 ° C for 1 hour to 5 hours, and then an alkali metal hydroxide or an aqueous solution thereof is added thereto, and the reaction is carried out at a temperature of 20 ° C to 120 ° C for 1 hour. 10 hours for the dehydrohalogenation reaction.

The halogenated propylene oxide may be used in an amount of from 1 equivalent to 20 equivalents, preferably from 2 equivalents to 10 equivalents, based on 1 equivalent of the total hydroxyl group in the compound of the above formula (II-2-1). The alkali metal hydroxide added in the above dehydrohalogenation reaction may be used in an amount of from 0.8 equivalents to 15 equivalents, based on 0.9 equivalents based on the total hydroxyl group equivalent of the above compound having the structure of the formula (C-II-1). Equivalent to 11 equivalents is preferred.

Further, in order to smoothly carry out the above-described dehydrohalogenation reaction, in addition to an alcohol such as methanol or ethanol, dimethyl sulfone or dimethyl ya may be added. The reaction is carried out by using an aprotic polar solvent such as dimethyl sulfoxide. In the case of using an alcohol, the alcohol may be used in an amount of 2% by weight to 20% by weight, preferably 4% by weight to 15% by weight based on the total amount of the above-mentioned halogenated propylene oxide being 100% by weight. In the case of using an aprotic polar solvent, the total amount of the aprotic polar solvent may be from 5 wt% to 100 wt%, wherein 10 wt% to 90 wt%, based on the total amount of the halogenated propylene oxide, is 100 wt%. good.

After completion of the dehydrohalogenation reaction, a water washing treatment can be selectively performed. Thereafter, the halogenated propylene oxide, the alcohol, and the aprotic polar solvent are removed by heating and decompression. The heating and depressing is performed, for example, in an environment having a temperature of 110 ° C to 250 ° C and a pressure of 1.3 kPa (10 mmHg) or less.

In order to prevent the formed epoxy resin from containing a hydrolyzable halogen, the solution after the dehydrohalogenation reaction may be added to a solvent such as toluene or methyl isobutyl ketone, and a base such as sodium hydroxide or potassium hydroxide may be added. The metal hydroxide aqueous solution is again subjected to a dehydrohalogenation reaction. In the dehydrohalogenation reaction, the total equivalent weight of the hydroxyl group in the compound having the structure of the above formula (II-2-1) is 1 equivalent, and the alkali metal hydroxide is used in an amount of 0.01 mol to 0.3 mol, wherein 0.05 moles to 0.2 moles are preferred. Further, the above dehydrohalogenation reaction has an operating temperature in the range of 50 ° C to 120 ° C and an operation time ranging from 0.5 hour to 2 hours.

After completion of the dehydrohalogenation reaction, the salts are removed by filtration, washing, and the like. Further, a solvent such as toluene or methyl isobutyl ketone may be distilled off by heating and decompression to obtain an epoxy compound having at least two epoxy groups as shown in the formula (II-2). (c-1-1). The epoxy compound (c-1-1) having at least two epoxy groups of the above formula (II-2) may include, but is not limited to, trade names NC-3000, NC-3000H, NC-3000S, and NC-3000P. A product manufactured by Nippon Kayaku Co. Ltd..

The aforementioned compound (c-1-2) having at least one carboxylic acid group and at least one ethylenically unsaturated group is, for example, selected from the group consisting of the following (1) to (3): (1) propylene Acid, methacrylic acid, 2-methacryloyloxyethylbutanedioic acid, 2-methylpropenyloxybutyl succinic acid, 2-methylpropenyl oxyethyl adipate , 2-methylpropenyloxybutyl adipate, 2-methylpropenyloxyethylhexahydrophthalic acid, 2-methylpropenyloxyethyl maleic acid, 2-methylpropenyloxyl Propyl maleic acid, 2-methylpropenyloxybutyl maleic acid, 2-methylpropenyloxypropyl succinic acid, 2-methylpropenyloxypropyl adipate, 2-methylpropene醯Phenylpropyltetrahydrophthalic acid, 2-methylpropenyl propyl phthalate, 2-methylpropenyl butyl phthalate, or 2-methyl propylene oxybutyl hydride Phthalic acid; (2) a compound obtained by reacting a hydroxyl group-containing (meth) acrylate with a dicarboxylic acid compound, wherein the dicarboxylic acid compound includes, but is not limited to, adipic acid, succinic acid, and malay Acid, phthalic acid; (3) a half ester compound obtained by reacting a hydroxyl group-containing (meth) acrylate with a carboxylic anhydride compound, wherein the hydroxyl group-containing (meth) acrylate includes but is not limited to 2-hydroxy group B Propylene 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl 2-hydroxypropyl methacrylate, 4-hydroxybutyl acrylate, 4-hydroxybutyl methacrylate, or pentaerythritol trimethyl Acrylate and the like. Further, the carboxylic anhydride compound described herein may be the same as the carboxylic anhydride compound (c-1-3) contained in the mixture of the first alkali-soluble resin (C-1) described below, and thus will not be described herein.

The mixture of the above first alkali-soluble resin (C-1) may more optionally contain a carboxylic anhydride compound (c-1-3) and/or an epoxy group-containing compound (c-1-4). The above carboxylic anhydride compound (c-1-3) may be selected from the group consisting of (1) to (2): (1) butanedioic anhydride, maleic anhydride, and clothing. Itaconic anhydride, phthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, methyltetrahydrophthalic anhydride Methyl hexahydroortho Phthalic anhydride, methyl endo-methylene tetrahydro phthalic anhydride, chlorendic anhydride, glutaric anhydride or trimellitic anhydride (1,3- a dicarboxylic acid anhydride compound such as dioxoisobenzofuran-5-carboxylic anhydride; and (2) benzophenone tetracarboxylic dianhydride (BTDA), diphenyltetracarboxylic dianhydride or diphenyl ether tetracarboxylic dianhydride. A quaternary carboxylic anhydride compound.

The epoxy group-containing compound (c-1-4) is, for example, selected from the group consisting of glycidyl methacrylate, 3,4-epoxycyclohexyl methacrylate, and an unsaturated group-containing glycidyl ether compound. An epoxy group-containing unsaturated compound or a group consisting of any combination of the above. The unsaturated group-containing glycidyl ether compound includes, but is not limited to, the trade names Denacol EX-111, EX-121 Denacol, Denacol EX-141, Denacol EX-145, Denacol EX-146, Denacol EX-171, and Denacol EX-192. Compound (the above is a product of Nagase Chemical Industry Co., Ltd.).

The aforementioned first alkali-soluble resin (C-1) may be an epoxy compound (c-1-1) having at least two epoxy groups of the formula (II-1) and having at least one carboxylic acid group and at least one ethylenicity The saturated group compound (c-1-2) is subjected to a polymerization reaction to form a hydroxyl group-containing reaction product, followed by addition of a carboxylic anhydride compound (c-1-3) to carry out a reaction. The equivalent weight of the hydroxyl group-based reaction product is 1 equivalent, and the equivalent weight of the acid anhydride group contained in the carboxylic anhydride compound (c-1-3) is preferably 0.4 equivalent to 1 equivalent, more preferably 0.75 equivalent to 1 equivalent. When a plurality of carboxylic anhydride compounds (c-1-3) are used, they may be added sequentially or simultaneously in the reaction. When a dicarboxylic anhydride compound and a tetracarboxylic anhydride compound are used as the carboxylic anhydride compound (c-1-3), the molar ratio of the dicarboxylic anhydride compound and the tetracarboxylic anhydride compound is preferably from 1/99 to 90/ 10, more preferably 5/95 to 80/20. Further, the operating temperature range of the above reaction is, for example, in the range of 50 ° C to 130 ° C.

The aforementioned first alkali-soluble resin (C-1) may be an epoxy compound (c-1-1) having at least two epoxy groups of the formula (II-2) and having at least one carboxylic acid group and at least one ethylene The unsaturated group-containing compound (c-1-2) is reacted to form a hydroxyl group-containing reaction product, followed by addition of a carboxylic anhydride compound (c-1-3) and/or an epoxy group-containing compound (c). -1-4) obtained by carrying out a polymerization reaction. The epoxy group compound (c-1-1) having at least two epoxy groups based on the formula (II-2) has a total equivalent weight of 1 equivalent, and the above has at least one carboxylic acid group and at least one ethylenicity. The acid value equivalent of the saturated group compound (c-1-2) is preferably from 0.8 equivalents to 1.5 equivalents, more preferably from 0.9 equivalents to 1.1 equivalents. The total amount of hydroxyl groups based on the above hydroxyl group-containing reaction product is 100 mol% (mol%), and the carboxylic anhydride compound (c-1-3) is preferably used in an amount of 10 mol% to 100 mol%, more preferably It is from 20 mol% to 100 mol%, particularly preferably from 30 mol% to 100 mol%.

In the preparation of the above first alkali-soluble resin (C-1), in order to accelerate the reaction, a basic compound is usually added as a reaction catalyst to the reaction solution. The above reaction catalysts may be used singly or in combination, and the above reaction catalysts include, but are not limited to, triphenyl phosphine, triphenyl stibine, triethylamine, triethanolamine. , tetramethyl ammonium chloride, benzyltriethyl ammonium chloride, and the like. The total amount of the epoxy compound (c-1-1) having at least two epoxy groups and the compound (c-1-2) having at least one carboxylic acid group and at least one ethylenically unsaturated group is 100. The amount of the reaction catalyst used is preferably from 0.01 part by weight to 10 parts by weight, more preferably from 0.3 part by weight to 5 parts by weight.

Further, in order to control the degree of polymerization, a polymerization inhibitor is usually added to the reaction solution. The above polymerization inhibitor may include, but is not limited to, methoxyphenol, methylhydroquinone, hydroquinone, 2,6-di-t-butyl-p-cresol (2,6-di) -t-butyl-p-cresol) or phenothiazine. In general, the above polymerization inhibitors may be used singly or in combination of two or more. The sum of the amounts of use of the above epoxy compound (c-1-1) having at least two epoxy groups and the compound (c-1-2) having at least one carboxylic acid group and at least one ethylenically unsaturated group The polymerization inhibitor is preferably used in an amount of from 0.01 part by weight to 10 parts by weight, more preferably from 0.1 part by weight to 5 parts by weight, per 100 parts by weight.

In the preparation of the first alkali-soluble resin (C-1), a polymerization solvent can be used as necessary. Specific examples of the polymerization reaction solvent include alcohol compounds such as ethanol, propanol, isopropanol, butanol, isobutanol, 2-butanol, hexanol or ethylene glycol; methyl ethyl ketone or cyclohexanone; Ketone compounds; aromatic hydrocarbon compounds such as toluene or xylene; celecin compounds such as cellosolve or butyl cellosolve; carbitol or butyl carbene Carbene-like compounds such as butyl carbitol; propylene glycol alkyl ether compounds such as propylene glycol monomethyl ether; polypropylene glycol alkyl ethers such as di(propylene glycol) methyl ether [poly(propylene glycol) alkyl ether] compound; acetate such as ethyl acetate, butyl acetate, ethylene glycol monoethyl ether acetate or propylene glycol methyl ether acetate a compound; an alkyl lactate compound such as ethyl lactate or butyl lactate; or a dialkyl glycol ether; or ethyl 3-ethoxypropionate. The above polymerization solvent can be generally used singly or in combination of two or more. Further, the acid value of the above first alkali-soluble resin (C-1) is preferably from 50 mgKOH/g to 200 mgKOH/g, more preferably from 60 mgKOH/g to 150 mgKOH/g.

Further, the first alkali-soluble resin (C-1) has a polystyrene-equivalent number average molecular weight of from 500 to 10,000, preferably from 800 to 8,000, as measured by Gel Permeation Chromatography (GPC). More preferably from 1,000 to 6,000.

In a specific example of the present invention, the first alkali-soluble resin (C-1) is used in an amount ranging from 0 parts by weight to 90 parts by weight, based on 100 parts by weight of the alkali-soluble resin (C); preferably. It is 10 parts by weight to 80 parts by weight; more preferably 20 parts by weight to 70 parts by weight. When the first alkali-soluble resin (C-1) is used, the photosensitive resin composition is shaped The color filter has a better change rate of the thermal solvent film thickness.

The alkali-soluble resin (C) according to the present invention may further comprise a second alkali-soluble resin (C-2) which is an ethylenically unsaturated monomer having one or more carboxylic acids or carboxylic anhydrides (c-2-1) And another copolymerizable ethylenically unsaturated monomer (c-2-2), which is obtained by copolymerization with an ethylenically unsaturated monomer (c-2-3) having an epoxy group.

In one embodiment, the second alkali-soluble resin (C-2) is first copolymerizable with an ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides. The ethylenically unsaturated monomer (c-2-2) undergoes double bond copolymerization to form a polymer in which the side chain of the polymer has a carboxylic acid group. Then, the carboxylic acid group in the side chain of the polymer is subjected to an addition reaction with the ethylenically unsaturated monomer (c-2-3) having an epoxy group to prepare a second alkali-soluble resin (C-2). .

In another embodiment, the second alkali-soluble resin (C-2) is a copolymerizable ethylenically unsaturated monomer (c-2-2) and an ethylenically unsaturated monomer having an epoxy group. The body (c-2-3) undergoes a double bond copolymerization reaction to form a polymer in which the side chain of the polymer has an epoxy group. Then, an epoxy group in the side chain of the polymer is subjected to an addition reaction with an ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides to prepare the second base. Soluble resin (C-2).

In still another embodiment, the second alkali-soluble resin (C-2) firstly copolymerizes another copolymerizable ethylenically unsaturated monomer (c-2-2) with an ethylenically unsaturated monomer having an epoxy group. The body (c-2-3) undergoes a double bond copolymerization reaction to form a polymer in which the side chain of the polymer has an epoxy group. Then, the epoxy group in the side chain of the polymer is subjected to an addition reaction with the ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides, and further subjected to an acid anhydride compound. The second alkali-soluble resin (C-2) is obtained by a half esterification reaction.

The aforementioned ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides, wherein the ethylenically unsaturated monomer having one or more carboxylic acids The body may include, but is not limited to, an unsaturated monocarboxylic acid compound, an unsaturated polycarboxylic acid compound, a polycyclic compound having an unsaturated group and a carboxylic acid group, or a polycyclic compound having an unsaturated group and a plurality of carboxylic acid groups.

The aforementioned unsaturated monocarboxylic acid compound may include, but is not limited to, (meth)acrylic acid, crotonic acid, α -chloroacrylic acid, ethacrylic acid, cinnamic acid, 2-(methyl)acrylic acid ethoxylated succinate ( 2-(meth)acryloyloxy ethyl succinate monoester), 2-(methyl)acryl oxime ethoxy hexahydrophthalate, 2-(meth) propylene ethoxy ethoxylate or omega-carboxylate Acid-based polycaprolactone polyol monoacrylate or the like. The omega-carboxylic acid polycaprolactone polyol monoacrylate can be manufactured by East Asia Synthetic, model ARONIX M-5300.

The aforementioned unsaturated polycarboxylic acid compound may include, but is not limited to, maleic acid, fumaric acid, methyl fumaric acid, itaconic acid or citraconic acid, and the like.

The above polycyclic compound having an unsaturated group and a carboxylic acid group may include, but is not limited to, 5-carboxylic acid bicyclo [2.2.1] hept-2-ene, 5-carboxylic acid-5-methyl bicyclo [2.2. 1]hept-2-ene, 5-carboxylic acid-5-ethylbicyclo[2.2.1]hept-2-ene, 5-carboxylic acid-6-methylbicyclo[2.2.1]hept-2- Alkene or 5-carboxylic acid-6-ethylbicyclo[2.2.1]hept-2-ene and the like.

The above polycyclic compound having an unsaturated group and a plurality of carboxylic acid groups may be, for example, 5,6-dicarboxylic acidbicyclo[2.2.1]hept-2-ene or the like.

Preferably, the aforementioned ethylenically unsaturated monomer having one or more carboxylic acids is selected from the group consisting of acrylic acid, methacrylic acid, 2-methylpropenyl ethoxy succinate, and 2-methyl acrylonitrile. Ethoxy hexahydrophthalate, or any combination of the above.

The aforementioned ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides, wherein the aforementioned ethylenically unsaturated monomer having one or more carboxylic anhydrides may include, but is not limited to, unsaturated A carboxylic anhydride compound or a polycyclic compound having an unsaturated group and a carboxylic anhydride.

The aforementioned unsaturated carboxylic anhydride compound may include, but is not limited to, maleic anhydride, fumaric anhydride, methyl fumaric anhydride, itaconic anhydride or citraconic anhydride, and the like. The above polycyclic compound having an unsaturated group and a carboxylic anhydride may include, but is not limited to, 5,6-dicarboxylic anhydride bicyclo[2.2.1]hept-2-ene and the like.

Preferably, the aforementioned ethylenically unsaturated monomer having one or more carboxylic anhydrides is maleic anhydride.

The above ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides may be used singly or in combination of plural kinds.

In a specific example of the present invention, the ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides based on the second alkali-soluble resin (C-2) and the other The copolymerized ethylenically unsaturated monomer (c-2-2) copolymerization monomer is used in an amount of 100 parts by weight, the ethylenically unsaturated monomer having one or more carboxylic acids or carboxylic anhydrides (c- 2-1) is used in an amount of 10 parts by weight to 90 parts by weight; preferably 15 parts by weight to 85 parts by weight; more preferably 20 parts by weight to 80 parts by weight.

The aforementioned other copolymerizable ethylenically unsaturated monomer (c-2-2) may include, but is not limited to, alkyl (meth)acrylate, alicyclic (meth)acrylate, aryl (meth)acrylate An ester, an unsaturated dicarboxylic acid ester, a hydroxyalkyl (meth) acrylate, a polyether having a (meth) acrylate group, a styrene compound or an unsaturated compound other than the above compounds.

The above alkyl (meth)acrylate may include, but is not limited to, methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, ( N-butyl acrylate, isobutyl (meth)acrylate, second butyl (meth)acrylate or t-butyl (meth)acrylate.

The above (meth) acrylate cycloaliphatic ester may include, but is not limited to, cyclohexyl (meth) acrylate, 2-methylcyclohexyl (meth) acrylate, dicyclopentyl (meth) acrylate {or Tricyclo [5.2.1.0 ^2,6 ]癸-8-yl (meth) acrylate}, dicyclopentyloxy (meth) acrylate, isobornyl (meth) acrylate or (meth) acrylate Tetrahydrofuran ester and the like.

The above aryl (meth)acrylate may include, but is not limited to, phenyl (meth)acrylate or benzyl methacrylate.

The aforementioned unsaturated dicarboxylic acid ester may include, but is not limited to, diethyl maleate, diethyl fumarate or diethyl itaconate.

The aforementioned hydroxyalkyl (meth)acrylate may include, but is not limited to, 2-hydroxyethyl (meth)acrylate or 2-hydroxypropyl (meth)acrylate.

The aforementioned polyether having a (meth) acrylate group may include, but not limited to, polyethylene glycol mono(meth)acrylate or polypropylene glycol mono(meth)acrylate.

The styrene-based compound may include, but is not limited to, styrene, α -methylstyrene, m-methylstyrene, p-methylstyrene or p-methoxystyrene.

The unsaturated compound other than the above compounds may include, but not limited to, acrylonitrile, methacrylonitrile, vinyl chloride, vinylidene chloride, acrylamide, methacrylamide, vinyl ethyl ester, 1,3-butadiene, Isoprene, 2,3-dimethyl1,3-butadiene, N-butylenediamine-3-maleimide benzoate, N-butanediimide- 4-maleimide butyrate, N-butanediamine-6-maleimide caproate, N-butylenediamine-3-maleimide propionate , N-(9-acridinyl)maleimide, N-octylmaleimide, N-cyclohexylmaleimide or N-phenyl N-phenylmaleimide and the like.

The other copolymerizable ethylenically unsaturated monomer (c-2-2) may be used singly or in combination of plural kinds.

Preferably, the other copolymerizable ethylenically unsaturated monomer (c-2-2) is selected from the group consisting of methyl (meth)acrylate, butyl (meth)acrylate, and (meth)acrylic acid 2- Hydroxyethyl ester, tert-butyl (meth)acrylate, benzyl (meth)acrylate, dicyclopentanyl (meth)acrylate, isobornyl methacrylate, dicyclopentyloxy (meth)acrylate Ethyl ester, styrene, p-methoxystyrene or any combination of the above.

In a specific example of the present invention, based on the second alkali-soluble resin (C-2) The ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides and the other copolymerizable ethylenically unsaturated monomer (c-2-2) copolymerization single The total amount of the monomers used is 100 parts by weight, and the other copolymerizable ethylenically unsaturated monomer (c-2-2) is used in an amount of 10 parts by weight to 90 parts by weight; preferably 15 parts by weight to 85 parts by weight. More preferably, it is 20 parts by weight to 80 parts by weight.

The epoxy group-containing ethylenically unsaturated monomer (c-2-3) may include, but is not limited to, a (meth) acrylate compound having an epoxy group, an α -alkyl acrylate compound having an epoxy group or A glycidyl ether compound or the like.

The above epoxy group-containing (meth) acrylate compound may include, but is not limited to, glycidyl (meth) acrylate, 2-methyl propyl propyl (meth) acrylate, (meth) acrylate 3, 4 -butyl butyl acrylate, 6,7-epoxyheptyl (meth) acrylate, 3,4-epoxycyclohexyl (meth) acrylate or 3,4-epoxycyclohexyl (meth) acrylate Wait.

The aforementioned epoxy group-containing α -alkyl acrylate compound may include, but is not limited to, α -ethyl methacrylate, propyl α -n-propyl acrylate, α -n-butyl butyl acrylate or --ethyl acrylate-6,7-epoxyheptyl ester and the like.

The aforementioned glycidyl ether compound may include, but is not limited to, o-vinylbenzylglycidylether, m-vinylbenzylglycidylether or p-vinylbenzene. P-vinylbenzylglycidylether or the like.

The epoxy group-containing ethylenically unsaturated monomer (c-2-3) may be used singly or in combination of plural kinds.

Preferably, the epoxy group-containing ethylenically unsaturated monomer (c-2-3) is selected from the group consisting of glycidyl methacrylate, 2-methylglycidyl methacrylate, and methacrylic acid. 3,4-epoxycyclohexylmethyl ester, 6,7-epoxyheptyl methacrylate, o-vinylbenzyl glycidyl ether, m-vinylbenzyl glycidyl ether, p-ethylene Benzomethyl epoxidized ether or any combination of the above.

In a specific example of the present invention, the ethylenically unsaturated monomer (c-2-1) having one or more carboxylic acids or carboxylic anhydrides based on the second alkali-soluble resin (C-2) and the other The total amount of the monomer for copolymerization of the copolymerized ethylenically unsaturated monomer (c-2-2) is 100 parts by weight, and the epoxy group-containing ethylenically unsaturated monomer (c-2-3) The amount used is in the range of 1 part by weight to 35 parts by weight; preferably 3 parts by weight to 30 parts by weight; more preferably 5 parts by weight to 25 parts by weight.

Further, the second alkali-soluble resin (C-2) has a polystyrene-equivalent number average molecular weight of from 1,000 to 35,000, preferably from 3,000 to 30,000, as measured by Gel Permeation Chromatography (GPC). More preferably 5,000 to 25,000.

In a specific example of the present invention, the amount of the alkali-soluble resin (C) used is 100 parts by weight, and the second alkali-soluble resin (C-2) is used in an amount of 10 parts by weight to 100 parts by weight; preferably 20 parts by weight to 90 parts by weight; more preferably 30 parts by weight to 80 parts by weight.

The compound (D) having an ethylenically unsaturated group according to the present invention may contain an unsaturated compound having at least one ethylenically unsaturated group and an unsaturated compound having at least two ethylenically unsaturated groups.

Specific examples of the above unsaturated compound having at least one ethylenically unsaturated group may include, but are not limited to, acrylamide, propylene morpholine, methacryl hydrazine, acrylic-7-amino-3,7-dimethyl Kesin ester, -7-amino-3,7-dimethyloctyl methacrylate, isobutoxymethyl acrylamide, isobutoxymethyl methacrylamide, isobornyl acrylate Ethyl ester, isobornyl oxyethyl methacrylate, isobornyl acrylate, isobornyl methacrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, ethyl diglycol Acrylate, ethyl diglycol methacrylate, third octyl acrylamide, third octyl methacrylamide, diacetone acrylamide, diacetone methacrylamide, dimethylamino acrylate Ester, dimethylamino methacrylate, dodecyl acrylate, methacryl Dodecyl acid ester, dicyclopentene oxyethyl acrylate, dicyclopentene oxyethyl methacrylate, dicyclopentenyl acrylate, dicyclopentenyl methacrylate, nitrogen, nitrogen-dimethyl Acrylamide, nitrogen, nitrogen-dimethylmethacrylamide, tetrachlorophenyl acrylate, tetrachlorophenyl methacrylate, 2-tetrachlorophenoxyethyl acrylate, -2- methacrylate Chlorophenoxyethyl ester, tetrahydrofurfuryl acrylate, tetrahydrofurfuryl methacrylate, tetrabromophenyl acrylate, tetrabromophenyl methacrylate, 2-tetrabromophenoxyethyl acrylate, methacrylic acid -2-tetrabromophenoxyethyl ester, 2-trichlorophenoxyethyl acrylate, 2-trichlorophenoxyethyl methacrylate, tribromophenyl acrylate, tribromophenyl methacrylate , 2-tribromophenoxyethyl acrylate, 2-tribromophenoxyethyl methacrylate, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxy acrylate Propyl ester, 2-hydroxypropyl methacrylate, vinyl caprolactam, nitrogen-vinyl tyrosinone, phenoxyethyl acrylate, phenoxyethyl methacrylate, pentachlorophenyl acrylate A Pentachlorophenyl acrylate, pentabromophenyl acrylate, pentabromophenyl methacrylate, polyethylene glycol monoacrylate, polyethylene glycol monomethacrylate, poly propylene glycol monoacrylate, poly propylene glycol monomethacrylate Ester, borneol acrylate, or borneol methacrylate. Among them, the unsaturated compound having at least one ethylenically unsaturated group may be used singly or in combination of plural kinds.

Specific examples of the above unsaturated compound having at least two ethylenically unsaturated groups may include, but are not limited to, ethylene glycol diacrylate, ethylene glycol dimethacrylate, dicyclopentenyl diacrylate, and dimethacrylic acid. Dicyclopentenyl ester, triethylene glycol diacrylate, tetraethylene glycol diacrylate, tetraethylene glycol dimethacrylate, tris(2-hydroxyethyl)isocyanate diacrylate, tris(2-hydroxyethyl) Isocyanate dimethacrylate, tris(2-hydroxyethyl)isocyanate triacrylate, tris(2-hydroxyethyl)isocyanate trimethacrylate, caprolactone modified tris(2-hydroxyethyl)isocyanate Triacrylate (caprolactone modified) tris(2-hydroxyethyl)isocyanate trimethacrylate, trimethylolpropyl triacrylate, trimethylolpropyl trimethacrylate, ethylene oxide ( Hereinafter referred to as EO) modified trimethylol propyl triacrylate, EO modified trimethylol propyl trimethacrylate, propylene oxide (hereinafter referred to as PO) modified trimethylol propyl triacrylate, PO modified trimethylol propyl trimethacrylate, triethylene glycol diacrylate, triethylene glycol dimethacrylate, neopentyl glycol Acrylate, neopentyl glycol dimethacrylate, 1,4-butanediol diacrylate, 1,4-butanediol dimethacrylate, 1,6-hexanediol diacrylate, 1, 6-hexanediol dimethacrylate, pentaerythritol triacrylate, pentaerythritol trimethacrylate, pentaerythritol tetraacrylate, pentaerythritol tetramethacrylate, polyester diacrylate, polyester dimethacrylate, poly Ethylene glycol diacrylate, polyethylene glycol dimethacrylate, dipentaerythritol hexaacrylate (DPHA), dipentaerythritol hexamethacrylate, dipentaerythritol pentaacrylate, dipentaerythritol penta methacrylate , dipentaerythritol tetraacrylate, dipentaerythritol tetramethacrylate, caprolactone modified dipentaerythritol hexaacrylate, caprolactone modified dipentaerythritol hexamethacrylate, caprolactone modified dipenta Alcohol pentaacrylate, caprolactone modified dipentaerythritol pentamethyl acrylate, ditrimethylol propyl tetraacrylate, ditrimethylol propyl tetramethacrylate, EO modified bisphenol A diacrylic acid Ester, EO modified bisphenol A dimethacrylate, PO modified bisphenol A diacrylate, PO modified bisphenol A dimethacrylate, EO modified hydrogenated bisphenol A diacrylate EO modified hydrogenated bisphenol A dimethacrylate, PO modified hydrogenated bisphenol A diacrylate, PO modified hydrogenated bisphenol A dimethacrylate, PO modified triglyceride EO modified bisphenol F diacrylate, EO modified bisphenol F dimethacrylate, phenolic polyglycidyl ether acrylate, phenolic polyglycidyl ether methacrylate, manufactured by Japan East Asia Synthetic Co., Ltd. The product of model TO-1382, or the product of KAYARAD DPCA-20, KAYARAD DPCA-30, KAYARAD DPCA-60 or KAYARAD DPCA-120 manufactured by Nippon Kayaku Co., Ltd., etc. Among them, the unsaturated compound having at least two ethylenically unsaturated groups may be used singly or in combination of plural kinds.

Preferably, the compound (D) having an ethylenically unsaturated group is selected from trimethylolpropyl acrylate, EO-modified trimethylolpropyl acrylate, and PO modification. Trimethylol propyl acrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol hexaacrylate, dipentaerythritol pentaacrylate, dipentaerythritol tetraacrylate, caprolactone modified dipentaerythritol hexaacrylate, Ditrimethylolpropyl methacrylate, PO modified tripropionate, KAYARAD DPCA-20, KAYARAD DPCA-30, KAYARAD DPCA-60 or KAYARAD DPCA-120 or any combination of the above.

The above compound (D) having an ethylenically unsaturated group may be used singly or in combination of plural kinds.

The compound (D) having an ethylenically unsaturated group is used in an amount of 20 parts by weight to 200 parts by weight, based on 100 parts by weight of the alkali-soluble resin (C); preferably 30 parts by weight to 180 parts by weight. More preferably, it is 50 parts by weight to 150 parts by weight.

The photoinitiator (E) according to the present invention may comprise a photoinitiator (E-1) having a structure as shown in formula (III):

In the formula (III), E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, , COE ₁₆ , OE ₁₇ , halogen, NO ₂ or ; Or E ₁ and E _2, E _2, and E _3, E ₃ and E _4, E ₅ and E _6, E ₆ or E ₇ and E ₇ and E ₈ each independently represent by Alternate carbon number is 2 to 10 alkenyl; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are respectively independent Commonly represented by -(CH ₂ ) _p -W-(CH ₂ ) _q -; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are independently represented Wherein at least one of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms which is unsubstituted or has at least one group as shown below. Substituted, and at least one group is selected from the group consisting of phenyl, halogen, CN, OH, SH, alkoxy having a carbon number of 1 to 4, (CO)OH or (CO)O(R ₁ ), wherein R ₁ represents An alkyl group having 1 to 4 carbon atoms; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently representing an unsubstituted phenyl group or a phenyl group substituted with at least one group as shown below, and at least one The group is selected from the group consisting of an alkyl group having a carbon number of 1 to 6, a halogen, CN, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ independently representing a halogen, CN, OE ₁₇ , SE ₁₈ , SOE ₁₈ , SO ₂ E ₁₈ or NE ₁₉ E ₂₀ wherein the substituents OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ are selectively via groups E ₁₇ , E ₁₈ , E ₁₉ and/or E ₂₀ and a carbon atom of the naphthalene ring of formula (III) form a five-membered or six-membered ring; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ are independently represented , COE ₁₆ or NO ₂ ; W represents O, S, NE ₂₆ or a single bond, p represents an integer from 0 to 3, q represents an integer from 1 to 3, Z ₁ represents CO or a single bond; and E ₁₃ represents a carbon number of 1. The alkyl group to 20, the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, wherein at least one of the above groups is selected from the group consisting of halogen, E ₁₇ , COOE ₁₇ , OE ₁₇ , SE ₁₈ , CONE ₁₉ E ₂₀ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ or Or E ₁₃ represents an alkyl group having 2 to 20 carbon atoms, an alkyl group having 2 to 20 carbon atoms, or one or more O, S, SO, SO ₂ , NE ₂₆ or CO; or E ₁₃ represents a carbon number of The alkenyl group of 2 to 12, the alkenyl group having 2 to 12 carbon atoms, having no or hetero or one or more O, CO or NE ₂₆ , wherein the alkyl group having 2 to 20 carbon atoms and unintercalated Or an alkenyl group having a carbon number of 2 to 12 which is unsubstituted or substituted with at least one halogen; or E ₁₃ represents a cycloalkenyl group having 4 to 8 carbon atoms, an alkynyl group having 2 to 12 carbon atoms, or One or more O, S, CO or NE ₂₆ carbon atoms having 3 to 10 carbon atoms; or E ₁₃ representing a phenyl or naphthyl group, each of which is unsubstituted or as shown below Substituting at least one group, wherein the at least one group is selected from the group consisting of OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , , COE ₁₆ , CN, NO ₂ , halogen, alkyl having 1 to 20 carbon atoms, haloalkyl having 1 to 4 carbon atoms, intermixed with one or more O, S, CO or NE ₂₆ and having a carbon number of 2 to An alkyl group of 20; or a phenyl or naphthyl group each substituted with one or more cycloalkyl groups having one or more O, S, CO or NE ₂₆ and having a carbon number of 3 to 10; k represents 1 to 10 An integer; E ₁₄ represents a hydrogen atom, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, an alkoxy group having 1 to 20 carbon atoms or unsubstituted or at least as shown below a group substituted with an alkyl group having 1 to 20 carbon atoms, and at least one group selected from the group consisting of halogen, phenyl, alkylphenyl having 1 to 20 carbon atoms or CN; or E ₁₄ representing phenyl or naphthalene a group, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a halogen, and CN. , OE ₁₇ , SE ₁₈ and/or NE ₁₉ E ₂₀ ; or E ₁₄ represents a heteroaryl group having 3 to 20 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a benzyloxy group or a phenoxy group, benzyloxy group And phenoxy are unsubstituted or substituted by at least one group as shown below, and at least A group selected from an alkyl group having a carbon number of 1 to 6 carbon atoms, a haloalkyl group of 1 to 4 and / or halogen; E ₁₅ represents a carbon atoms or an aromatic group of 6 to 20 carbon atoms as the hetero 3-20 An aryl group, each unsubstituted or substituted with at least one group as shown below, and at least one group selected from the group consisting of phenyl, halogen, haloalkyl having 1 to 4 carbon atoms, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , an alkyl group bonded to SO and having a carbon number of 1 to 10, an alkyl group bonded to SO ₂ and having a carbon number of 1 to 10 a heterocyclic group having one or more O, S or NE ₂₆ and having a carbon number of 2 to 20; or a heteroaryl group having a carbon number of 6 to 20 or a heteroaryl group having a carbon number of 3 to 20 each having a carbon number of An alkyl group substituted with 1 to 20, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of halogen, COOE ₁₇ , and CONE ₁₉ E _{20. A} phenyl group, a cycloalkyl group having 3 to 8 carbon atoms, a heteroaryl group having 3 to 20 carbon atoms, an aryloxycarbonyl group having 6 to 20 carbon atoms, and a heteroaryloxy group having 3 to 20 carbon atoms. a carbonyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents a hydrogen atom, an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having one or more O, CO or NE ₂₆ and having a carbon number of 3 to 8; or E ₁₅ representing an alkyl group having 1 to 20 carbon atoms and an alkyl group having 1 to 20 carbon atoms Substituted or substituted with at least one group as shown below, and at least one group selected from the group consisting of halogen, OE ₁₇ , SE ₁₈ , a cycloalkyl group having a carbon number of 3 to 8, and a carbon number of 3 to 20 Aryl group, aryloxycarbonyl group having 6 to 20 carbon atoms, heteroaryloxycarbonyl group having 3 to 20 carbon atoms, NE ₁₉ E ₂₀ , COOE ₁₇ , CONE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , , Or a phenyl group, wherein the alkyl group having 1 to 20 carbon atoms is substituted with a phenyl group, and the phenyl group is halogen, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, or OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ substituted; or E ₁₅ represents an alkyl group having 2 to 20 carbon atoms, an alkyl group having 2 to 20 carbon atoms, one or more O, SO or SO ₂ , interstitial and carbon The alkyl group of 2 to 20 is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from halogen, OE ₁₇ , COOE ₁₇ , CONE ₁₉ E ₂₀ , phenyl or OE _17. A phenyl substituted with SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents an alkanoyl or benzylidene group having a carbon number of 2 to 20, which is unsubstituted or substituted with at least one group as shown below And at least one group is selected from the group consisting of a C 1 to 6 alkyl group, a halogen, a phenyl group, an OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents an unsubstituted or substituted by at least one OE ₁₇ a naphthylmethyl group or a heteroarylcarbonyl group having a carbon number of 3 to 14; or E ₁₅ represents an alkoxycarbonyl group having 2 to 12 carbon atoms, and an alkoxycarbonyl group having 2 to 12 carbon atoms is unintercalated or Miscellaneous with one or more O, Carbon atoms and an alkoxycarbonyl group having 2 to 12 lines of unsubstituted or substituted by at least one hydroxyl group; or E ₁₅ Representative phenoxycarbonyl, phenoxycarbonyl unsubstituted or system of at least one group shown by the following Substituted, and at least one group is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen, a halogenated alkyl group having 1 to 4 carbon atoms, a phenyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents CN, CONE ₁₉ E ₂₀ , NO ₂ , haloalkyl having 1 to 4 carbon atoms, S(O) _r -R ₂ , phenyl group bonded to S(O) _r , wherein it is bonded to S(O) _r The phenyl group is unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms or SO ₂ -R ₂ , and R ₂ represents an alkyl group having 1 to 6 carbon atoms; or E ₁₅ represents a bond with SO ₂ O a phenyl group in which a phenyl group bonded to SO ₂ O is unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms; or E ₁₅ represents a diphenylphosphinium group or a di(R ₃ )-phosphonium group. And R ₃ represents an alkoxy group having a carbon number of 1 to 4; r represents an integer of 1 to 2; E' ₁₄ represents one of the definitions for E ₁₄ ; and E' ₁₅ represents a definition for E ₁₅ one of those; Z ₂ Representative -O -, - S -, - SO- or -SO ₂ -; Z ₃ Representative -O -, - CO -, - S- or a single bond E ₁₆ represents a carbon atoms or an aromatic group of 6 to 20 carbon atoms of the 3 to 20 hetero aryl group, each of which is unsubstituted or substituted with at least one of the groups shown below, and at least one group selected from benzyl a halogen group having a carbon number of 1 to 4, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , an alkane having one or more O, S or NE ₂₆ and having a carbon number of 1 to 20 a group, or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, wherein at least one group is selected from the group consisting of halogen and COOE ₁₇ , Cone ₁₉ E ₂₀ , phenyl, cycloalkyl having 3 to 8 carbon atoms, heteroaryl having 3 to 20 carbon atoms, aryloxycarbonyl having 6 to 20 carbon atoms, carbon number 3 to 20 a heteroaryloxycarbonyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₆ represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or Substituted by at least one group as shown below, and at least one group selected from the group consisting of halogen, phenyl, OH, SH, CN, alkenyloxy having 3 to 6 carbon atoms, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-phenyl or (CO)OH or (CO)O ( R ₁ ); or E ₁₆ represents an alkyl group having 2 to 12 carbon atoms, an alkyl interstitial having 2 to 12 carbon atoms, or one or more O, S or NE ₂₆ ; or E ₁₆ represents (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms, wherein R ₄ represents carbon An alkyl group of 1 to 8; or E ₁₆ represents a phenyl group substituted with SE ₁₈ , wherein E ₁₈ represents a single bond bonded to the phenyl or naphthyl ring of the carbazole moiety to which COE _{16 is} attached; An integer representing from 1 to 20; E ₁₇ represents a hydrogen atom, a phenyl-R ₅ group, an alkyl group having 1 to 20 carbon atoms, which is unsubstituted or substituted with at least one group as shown below, and at least one group The group is selected from the group consisting of halogen, OH, SH, CN, an alkenyloxy group having a carbon number of 3 to 6, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-(R ₆ ), phenyl group bonded to O(CO), (CO)OH, (CO)O(R ₁ ), cycloalkyl group having 3 to 20 carbon atoms, SO ₂ -(R ₇ ), O(R ₇ ) or a cycloalkyl group having one or more O and having a carbon number of 3 to 20, wherein R ₅ represents an alkyl group having 1 to 3 carbon atoms, and R ₆ represents a carbon number of 2 to 4 alkenyl groups, and R ₇ represents a haloalkyl group having 1 to 4 carbon atoms; or E ₁₇ represents An alkyl group having 2 to 20 carbon atoms and an alkyl group having 2 to 20 carbon atoms having one or more O, S or NE ₂₆ ; or E ₁₇ representing (CH ₂ CH ₂ O) _n+1 H, ( CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkanoyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, an olefin group having 3 to 6 carbon atoms or a carbon number a cycloalkyl group of 3 to 20, wherein the cycloalkyl group having a carbon number of 3 to 20 is undoped or hetero-doped with one or more O, S, CO or NE ₂₆ ; or E ₁₇ represents a carbon number of 1 to 8. a group formed by bonding an alkyl group to a cycloalkyl group having a carbon number of 3 to 10, and the above group is undoped or hetero-has one or more O; or E ₁₇ represents a benzamidine group, a benzamidine group Is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from an alkyl group having 1 to 6 carbon atoms, a halogen, OH or an alkoxy group having 1 to 3 carbon atoms; or E ₁₇ represents a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of halogen, OH, and carbon number. is an alkyl group of 1 to 12 carbon atoms, alkoxy of 1 to 12, CN, NO _2, phenyl -R _8, a phenoxy group, an alkyl group having a carbon number of 1 to 12 Group, a phenyl group, N (R _{9) 2,} diphenyl - group or Wherein R ₈ represents an alkoxy group having a carbon number of 1 to 3, and R ₉ represents an alkyl group having a carbon number of 1 to 12; or E ₁₇ and has or One of the carbon atoms of the phenyl or naphthyl ring forms a single bond; E ₁₈ represents a hydrogen atom, an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms or a phenyl-R ₅ group, wherein An alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, and a phenyl-R ₅ group having no or hetero or one or more O, S, CO, NE ₂₆ or COOE ₁₇ ; or E ₁₈ represents an alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from OH, SH, CN, Alkenyloxy group having 3 to 6 carbon atoms, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₆ ), O(CO)-(R ₁ ), O(CO)-phenyl or (CO)OE ₁₇ ; or E ₁₈ represents an alkyl group having 2 to 20 carbon atoms, and an alkyl group having 2 to 20 carbon atoms, one or more O, S, CO, NE ₂₆ or COOE ₁₇ ; or E ₁₈ represents (CH ₂ CH ₂ O) _n H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkanoyl group having a carbon number of 2 to 8 or a carbon number of Or an alkylene group of 3 to 6; or E ₁₈ represents a benzamidine group, which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a carbon number of 1 to 6 alkyl, halogen, OH, carbon An alkoxy group having 1 to 4 carbon atoms or an alkyl group of 1 to 4; or E ₁₈ represents phenyl, naphthyl or heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or follows At least one group is substituted, and at least one group is selected from the group consisting of halogen, an alkyl group having 1 to 12 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, and CN. , NO ₂ , phenyl-R ₈ , phenoxy, alkylthio having 1 to 12 carbon atoms, phenylthio group, N(R ₉ ) ₂ , diphenylamino group, (CO)O(R) ₄ ), CO-R ₄ , (CO)N(R ₄ ) ₂ or E ₁₉ and E ₂₀ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, and a carbon number of 2 Alkenyl group to 5, cycloalkyl group having 3 to 20 carbon atoms, phenyl-R ₅ , alkanoyl group having 1 to 8 carbon atoms, alkyl alkoxy group having 1 to 8 carbon atoms, carbon number 3 to 12 olefinic groups, SO ₂ -R ₇ or benzamidine groups; or E ₁₉ and E ₂₀ represent a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or Substituting at least one group as shown below, and the at least one group is selected from the group consisting of halogen, a halogenated alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, and an alkyl group having 1 to 12 carbon atoms a benzyl group or a benzepidine group or an alkoxy group having a carbon number of 1 to 12; or an E ₁₉ and E ₂₀ group together with a bonded nitrogen atom to form a five member or a heterogeneous or intervening O, S or NE ₁₇ a six-membered saturated or unsaturated ring, and a five or six member saturated or unsaturated ring system is unsubstituted or substituted with at least one group as shown below, wherein at least one group is selected from a carbon number of 1 to 20 alkyl group, an alkoxy group having a carbon number of 1 to _{20, = O, OE 17, SE} 18, NE 21 E 22, (CO) E 23 NO _2, a halogen, a haloalkyl group having a carbon number of 1 to 4, CN, phenyl, Or a cycloalkyl group having one or more O, S, CO or NE ₁₇ and having a carbon number of 3 to 20 without interstitial or heterogeneous; or E ₁₉ and E ₂₀ together with the attached nitrogen atom to form a heteroaromatic a ring system, wherein the heteroaromatic ring system is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms and a carbon number of 1 to 4 Haloalkyl, alkoxy with 1 to 20 carbon atoms, =0, OE ₁₇ , SE ₁₈ , NE ₂₁ E ₂₂ , (CO)E ₂₃ , , halogen, NO ₂ , CN, phenyl, or a cycloalkyl group having one or more O, S, CO or NE ₁₇ and having a carbon number of 3 to 20 without interstitial or heterogeneous; E ₂₁ and E ₂₂ independently representing a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms or a phenyl group; and E ₂₁ and E ₂₂ together with the nitrogen atom to which they are bonded Forming a five- or six-membered saturated or unsaturated ring with no interstitial or interstitial O, S or NE ₂₆ , wherein five or six members of the saturated or unsaturated ring system are not fused or fused to the benzene ring; E ₂₃ represents a hydrogen atom, OH, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having at least one O, CO or NE ₂₆ and having a carbon number of 2 to 20, without impurity or a cycloalkyl group having O, S, CO or NE ₂₆ and having a carbon number of 3 to 20; or E ₂₃ representing a phenyl group, a naphthyl group, a phenyl-R ₁ , an OE ₁₇ , SE ₁₈ or NE ₂₁ E ₂₂ ; ₂₄ represents (CO) OE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E ₁₇ or has one of the definitions for E ₁₉ and E ₂₀ ; E ₂₅ represents COOE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E ₁₇ ; or E ₂₅ with E ₁₇ in which is defined for one person; E ₂₆ represents a hydrogen atom, a C Alkyl of 1 to 20 carbon atoms, a haloalkyl group of 1 to 4, intermingled with one or more O or CO and alkyl having 2 to 20; or E ₂₆ represents phenyl -R _1, intermingled or without a cycloalkyl group having one or more O or CO and having a carbon number of 3 to 8; or E ₂₆ representing (CO)E ₁₉ ; or E ₂₆ representing a phenyl group, the phenyl group being unsubstituted or at least as shown below Substituting a group, and the at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms, a halogen, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or , but the photoinitiator (E-1) having the structure of the formula (III) has at least one or

The photoinitiator (E-1) having the structure represented by the formula (III) is characterized in that it contains at least one annened unsaturated ring on the carbazole moiety. In other words, at least one pair of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are

The above-mentioned alkyl group having a carbon number of 1 to 20 is linear or branched and has, for example, a carbon number of 1 to 18, a carbon number of 1 to 4, a carbon number of 1 to 12, and a carbon number of 1 to 8. An alkyl group having 1 to 8 carbon atoms or 1 to 4 carbon atoms, or an alkyl group having 4 to 12 carbon atoms or 4 to 8 carbon atoms. Specific examples are methyl, ethyl, propyl, isopropyl, n-butyl, t-butyl, isobutyl, tert-butyl, pentyl, hexyl, heptyl, 2,4,4-trimethyl Pentyl, 2-ethylhexyl, octyl, decyl, decyl, dodecyl, tetradecyl, fifteen, hexadecyl, octadecyl and decyl. The alkyl group having 1 to 6 carbon atoms has the same definition as the above-mentioned alkyl group having 1 to 20 carbon atoms, and has the highest corresponding number of carbon atoms.

The unsubstituted or substituted alkyl group having 1 to 20 carbon atoms containing at least one carbon-carbon multiple bond is an alkenyl group described later.

The haloalkyl group having 1 to 4 carbon atoms is an alkyl group having a carbon number of 1 to 4 which is substituted by a halogen as defined below and which is as defined above. The alkyl group can be, for example, mono- or polyhalogenated until all hydrogen atoms are replaced by a halogen, and can be, for example, C _j H _w X _y , wherein w+y=2j+1 and X is a halogen, preferably a fluorine atom. . Specific examples are chloromethyl, trichloromethyl, trifluoromethyl or 2-bromopropyl, especially trifluoromethyl or trichloromethyl.

The hydroxyalkyl group having 2 to 4 carbon atoms means an alkyl group having 2 to 4 carbon atoms which is substituted by one or two oxygen atoms. The alkyl group can be straight or branched. Specific examples are 2-hydroxyethyl, 1-hydroxyethyl, 1-hydroxypropyl, 2-hydroxypropyl, 3-hydroxypropyl, 1-hydroxybutyl, 4-hydroxybutyl, 2-hydroxybutyl , 3-hydroxybutyl, 2,3-dihydroxypropyl or 2,4-dihydroxybutyl.

The alkoxyalkyl group having 2 to 10 carbon atoms is an alkyl group having 2 to 10 carbon atoms. The alkyl group having a carbon number of 2 to 10 has the same definition as the aforementioned alkyl group having 1 to 20 carbon atoms, and has the highest corresponding number of carbon atoms. Specific examples are methoxymethyl, methoxyethyl, methoxypropyl, ethoxymethyl, ethoxyethyl, ethoxypropyl, propoxy Methyl, propoxyethyl, propoxypropyl.

The alkyl group having one or more of O, S, NE ₂₆ or CO having a carbon number of 2 to 20 is, for example, 1 to 9 times, 1 to 5 times, 1 to 3 times by O, S, NE ₂₆ or CO. , 1 or 2 times. If more than one meso group is present, it is the same species or different. The two oxygen atoms are separated by at least one methylene group, preferably at least two methylene groups (i.e., exoethyl groups). These alkyl groups are linear or branched. For example, the following structural units will be present: -CH ₂ -CH ₂ -O-CH ₂ CH ₃ , -[CH ₂ CH ₂ O] _y -CH ₃ (where y = 1 to 9), -(CH ₂ - CH ₂ O) ₇ -CH ₂ CH ₃ , -CH ₂ -CH(CH ₃ )-O-CH ₂ -CH ₂ CH ₃ , -CH ₂ -CH(CH ₃ )-O-CH ₂ -CH ₃ ,- CH ₂ -CH ₂ -S-CH ₂ CH ₃ , -CH ₂ -CH(CH ₃ )-NE ₂₆ -CH ₂ -CH ₃ , -CH ₂ -CH ₂ -COO-CH ₂ CH ₃ or -CH ₂ - CH(CH ₃ )-OCO-CH ₂ -CH ₂ CH ₃ .

In the present invention, a cycloalkyl group having 3 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, and a cycloalkyl group having 3 to 8 carbon atoms are understood to be an alkyl group having at least one ring. Specific examples are cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclooctyl, pentylcyclopentyl and cyclohexyl. In the present invention, a cycloalkyl group having a carbon number of 3 to 10 also encompasses an example of a bicyclic ring, that is, a bridged ring, and specific examples can be, for example, , , , and other corresponding rings. Other specific examples can be, for example, , (E.g )or Equal structure, as well as bridging or fused ring systems, for example, the definition here also includes or And other structures wherein R ₁₀ represents an alkylene group and R ₁₁ represents an alkyl group.

The cycloalkyl group having 3 to 20 carbon atoms between O, S, NE ₂₆ or CO has the same definition as defined above, wherein at least one -CH ₂ - group of the alkyl group is replaced by O, S, NE ₂₆ or CO. Specific examples are as , , (E.g , or And other structures.

The group formed by the alkyl group having 1 to 8 carbon atoms and the cycloalkyl group having 3 to 10 carbon atoms means a carbon as defined above substituted with at least one alkyl group having at most 8 carbon atoms. The number is from 3 to 10 cycloalkyl groups. The specific example is or Wait.

The group formed by the one or more alkyl groups having 1 to 8 carbon atoms bonded to a cycloalkyl group having 3 to 10 carbon atoms is substituted by at least one alkyl group having up to 8 carbon atoms. One or more of the cycloalkyl groups having a carbon number of from 3 to 10 are defined as defined above. Specific examples are as or Wait.

The alkoxy group having 1 to 12 carbon atoms is an alkyl group having 1 to 12 carbon atoms which is substituted with one oxygen atom. The alkyl group having a carbon number of 1 to 12 has the same definition of the alkyl group having a carbon number of 1 to 20 as described above, and has the highest corresponding number of carbon atoms. The alkoxy group having a carbon number of 1 to 4 is a straight chain or a branched chain, for example, a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a n-butoxy group, a second butoxy group, an isobutoxy group. Or a third butoxy group. The alkoxy group having 1 to 8 carbon atoms and the alkoxy group having 1 to 4 carbon atoms are the same as defined above, and have the highest corresponding number of carbon atoms.

The alkylthio group having 1 to 12 carbon atoms is an alkyl group having 1 to 12 carbon atoms which is substituted by a sulfur atom. The alkyl group having 1 to 12 carbon atoms has the same definition as the above-mentioned alkyl group having 1 to 20 carbon atoms, and has the highest corresponding number of carbon atoms. An alkylthio group having a carbon number of 1 to 4 is a straight chain or a branched chain, such as a methylthio group, an ethylthio group, a propylthio group, an isopropylthio group, an n-butylthio group, a second butyl group. Sulfur, isobutylthio, tert-butylthio.

The phenyl-R ₅ may, for example, be benzyl, phenylethyl, α -methylbenzyl or α , α -dimethyl-benzyl, especially benzyl.

The phenyl-R ₈ may, for example, be a benzyloxy group, a phenylethoxy group, an α -methylbenzyloxy group or an α , α -dimethylbenzyloxy group, especially a benzyloxy group.

The alkenyl group having 2 to 12 carbon atoms is mono- or polyunsaturated and is, for example, an alkenyl group having 2 to 10 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, and an alkenyl group having 2 to 5 carbon atoms. . Specific examples are vinyl, allyl, methallyl, 1,1-dimethylallyl, 1-butenyl, 3-butenyl, 2-butenyl, 1,3-pentyl Dienyl, 5-hexenyl, 7-octenyl or dodecenyl, especially allyl. The alkenyl group having 2 to 5 carbon atoms has the same definition of the alkenyl group having a carbon number of 2 to 12 as described above, and has the highest corresponding number of carbon atoms.

An alkenyl group having one or more O, S, NE ₂₆ or CO having a carbon number of 2 to 12, for example, 1 to 9 times, 1 to 5 times, 1 to 3 times by O, S, NE ₂₆ or CO, 1 or 2 times. If more than one meso group is present, it is the same species or different. The two oxygen atoms are separated by at least one methylene group, preferably at least two methylene groups (i.e., exoethyl groups). The alkenyl group is straight or branched and is as defined above. For example, the following structural units can be formed: -CH=CH-O-CH ₂ CH ₃ , -CH=CH-O-CH=CH ₂ and the like.

The cycloalkenyl group having 4 to 8 carbon atoms has at least one double bond, and may be, for example, a cycloalkenyl group having 4 to 6 carbon atoms or a cycloalkenyl group having 6 to 8 carbon atoms. Specific examples are cyclobutenyl, cyclopentenyl, cyclohexenyl or cyclooctenyl, especially cyclopentenyl and cyclohexenyl, preferably cyclohexenyl.

The alkenyloxy group having a carbon number of 3 to 6 is mono- or polyunsaturated, and has one of the definitions of the alkenyl group as described above, and the attached oxy group has the highest corresponding number of carbon atoms. Specific examples are allyloxy, methallyloxy, butenyloxy, pentenyloxy, 1,3-pentadienyloxy, 5-hexenyloxy.

The alkynyl group having 2 to 12 carbon atoms is a mono- or polyunsaturated linear or branched chain, and may, for example, be an alkynyl group having 2 to 8 carbon atoms, an alkynyl group having 2 to 6 carbon atoms or a carbon number of 2 Alkynyl group to 4. Specific examples are ethynyl, propynyl, butynyl, 1-butynyl, 3-butynyl, 2- Butynyl, pentynylhexynyl, 2-hexynyl, 5-hexynyl, octynyl and the like.

The alkane group having a carbon number of 2 to 20 is linear or branched, and may have, for example, a carbon number of 2 to 18, a carbon number of 2 to 14, a carbon number of 2 to 12, and a carbon number of 2 to 8. An alkanoyl group having a carbon number of 2 to 6 or a carbon number of 2 to 4 or an alkanoyl group having a carbon number of 4 to 12 or a carbon number of 4 to 8. Specific examples are, for example, ethyl, propyl, butyl, isobutyl, pentylene, hexyl, decyl, octyl, fluorenyl, fluorenyl, fluorenyl, tetradecyl, fifteen Sulfhydryl, hexadecanyl, octadecyl, and decyl, preferably acetyl. The alkylhydrazine group having a carbon number of 1 to 8 has the same definition as the alkynylene group having a carbon number of 2 to 20 as described above, and has the highest corresponding number of carbon atoms.

The alkoxycarbonyl group having 2 to 12 carbon atoms is linear or branched, and is, for example, a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, a n-butoxycarbonyl group, an isobutoxycarbonyl group, and 1 , 1-dimethylpropoxycarbonyl, pentyloxycarbonyl, hexyloxycarbonyl, heptyloxycarbonyl, octyloxycarbonyl, decyloxycarbonyl, decyloxycarbonyl or dodecyloxycarbonyl, especially A The oxycarbonyl group, the ethoxycarbonyl group, the propoxycarbonyl group, the n-butoxycarbonyl group or the isobutoxycarbonyl group is preferably a methoxycarbonyl group.

The alkoxycarbonyl group having one or more carbon atoms of 2 to 12 may be linear or branched. The two oxygen atoms are separated by at least two methylene groups (ie, ethyl groups). The meta-alkyloxycarbonyl group is unsubstituted or substituted with one or more hydroxyl groups. The aryloxycarbonyl group having a carbon number of 6 to 20 may, for example, be a phenyloxycarbonyl group (=phenyl-O-(CO)O-), a naphthyloxycarbonyl group, a decyloxycarbonyl group or the like. The heteroarylcarbonyl group having a carbon number of 5 to 20 may be a heteroaryl group having a carbon number of 5 to 20 bonded to -O-CO-.

The cycloalkylcarbonyl group having a carbon number of 3 to 10 may be a cycloalkyl group having a carbon number of 3 to 10 bonded to the CO, wherein the cycloalkyl group has the same definition as described above and has the highest corresponding number of carbon atoms. A cycloalkylcarbonyl group having one or more carbon atoms of 3 to 10 in the group consisting of O, S, NE ₂₆ or CO means a heterocyclic CO-bonded cycloalkyl group, wherein the heterocyclic cycloalkyl group has the same The definition.

The cycloalkoxycarbonyl group having 3 to 10 carbon atoms may be a cycloalkyl group having a carbon number of 3 to 10 bonded to -O-(CO)-, wherein the cycloalkyl group has the same definition as described above and has The highest corresponding number of carbon atoms. A cycloalkoxycarbonyl group having one or more O, S, NE ₂₆ or CO having a carbon number of 3 to 10 is a hetero- and -O-(CO)-bonded cycloalkyl group, wherein The cycloalkyl group has the same definition as described above.

The alkylphenyl group having 1 to 20 carbon atoms means a phenyl group substituted with at least one alkyl group, wherein the total of the carbon atoms is at most 20.

The aryl group having 6 to 20 carbon atoms may, for example, be a phenyl group, a naphthyl group, an anthryl group, a phenanthryl group, an anthracenyl group, a 1,2-benzophenanthrenyl group, a tetraphenylene group, a co-triphenyl group, etc., especially Phenyl or naphthyl, preferably phenyl. Naphthyl 1-naphthyl or 2-naphthyl.

In the context of the photoinitiator (E-1) of the present invention, the heteroaryl group having a carbon number of from 3 to 20 comprises a monocyclic or polycyclic system such as a fused ring system. Specific examples are thienyl, benzo[b]thienyl, naphtho[2,3-b]thienyl, thioxyl, furyl, dibenzofuranyl, Sulfhydryl, xanthenyl, thioxanthyl, phenothiphenyl, pyrrolyl, imidazolyl, pyrazolyl, pyrazinyl, pyrimidinyl, pyridazinyl, carbazinyl, isodecyl, fluorenyl , carbazolyl, fluorenyl, quinazolyl, isoquinolyl, quinolyl, pyridazinyl, naphthyridinyl, quinoxalinyl, quinazolinyl, Polinyl, acridinyl, oxazolyl, β-carbolinyl, phenanthryl, acridine, naphthyldiazophenyl, phenanthroline, phenazinyl, isothiazolyl, phenothiazine , isoxazolyl, furazolyl, phenomethoxy, 7-phenanthryl, inden-2-yl (=9,10-di-oxy-9,10-dihydroindol-2-yl), 3 -benzo[b]thienyl, 5-benzo[b]thienyl, 2-benzo[b]thienyl, 4-dibenzofuranyl, 4,7-dibenzofuranyl, 4-methyl Base-7-dibenzofuranyl, 2-xanthene, 8-methyl-2-indenyl, 3-indolyl, 2-morphothinyl, 2,7-morphothinyl, 2 -pyrrolyl, 3-pyrrolyl, 5-methyl-3-pyrrolyl, 2-imidazolyl, 4-imidazolyl, 5-imidazolyl, 2-methyl-4-imidazolyl, 2-ethyl-4 -Imidazolyl, 2-ethyl-5-imidazolyl, 1H-tetrazol-5-yl, 3-pyrazolyl, 1-methyl-3-pyrazolyl, 1-propyl-4-pyrazolyl , 2-pyrazinyl, 5,6-dimethyl-2-pyrazinyl, 2-indolizinyl, 2-methyl-3-isoindolyl, 2-methyl-1-isoindole , 1-methyl-2-indenyl, 1-methyl-3-indolyl, 1,5-dimethyl-2-indenyl, 1-methyl-3-oxazolyl, 2 ,7-dimethyl-8-fluorenyl, 2-methoxy-7-methyl-8-fluorene , 2-quinazinyl, 3-isoquinolinyl, 6-isoquinolinyl, 7-isoquinolyl, 3-methoxy-6-isoquinolinyl, 2-quinolinyl, 6- Quinolinyl, 7-quinolyl, 2-methoxy-3-quinolyl, 2-methoxy-6-quinolinyl, 6-pyridazinyl, 7-pyridazinyl, 1-methoxy -6-oxazinyl, 1,4-dimethoxy-6-pyridazinyl, 1,8-naphthyridin-2-yl, 2-quinoxalinyl, 6-quinoxalinyl, 2, 3-Dimethyl-6-quinoxalinyl, 2,3-dimethoxy-6-quinoxalinyl, 2-quinazolinyl, 7-quinazolinyl, 2-dimethylamino -6-quinazolinyl, 3- Lolinyl, 6- Olinyl group, 7- Lolinyl, 3-methoxy-7- Lolinyl, 2-acridinyl, 6-acridinyl, 7-acridinyl, 6,7-dimethoxy-2-acridinyl, 2-oxazolyl, 3-oxazolyl, 9- Methyl-2-oxazolyl, 9-methyl-3-oxazolyl, β-carboline-3-yl, 1-methyl-β-carboline-3-yl, 1-methyl-β- Porphyrin-6-yl, 3-phenanthryl, 2-acridinyl, 3-acridinyl, 2-naphthyldiazophenyl, 1-methyl-5-naphthyldiazophenyl, 5-phenanthroline, 6-phenanthroline, 1-phenazinyl, 2-phenazinyl, 3-isothiazolyl, 4-isothiazolyl, 5-isothiazolyl, 2-phenothiazine , 3-phenothiazine, 10-methyl-3-phenothiazinyl, 3-isoxazolyl, 4-isoxazolyl, 5-isoxazolyl, 4-methyl-3-furazan Base, 2-oxo group, 10-methyl-2-phenoxy group, and the like.

Preferably, the heteroaryl group having a carbon number of 3 to 20 may be a thienyl group, a benzo[b]thienyl group, a thioxanyl group, a thioxanthyl group, a 1-methyl-2-indenyl group or a 1-methyl group. Base-3-mercapto. More preferably, the heteroaryl group having a carbon number of 3 to 20 may be a thienyl group.

The heteroarylcarbonyl group having 4 to 20 carbon atoms is a heteroaryl group having a carbon number of 3 to 20 as defined above, which is bonded to the remainder of the molecule via a CO group.

The substituted aryl group (phenyl, naphthyl, aryl having 6 to 20 carbon atoms or heteroaryl having 5 to 20 carbon atoms) is 1 to 7 times, 1 to 6 times or 1 to 4, respectively. Preferably, it is substituted by 1, 2 or 3 times. The aryl group defined cannot have more substituents than the free position on the aryl ring.

The substituent on the phenyl ring is preferably in position 4 on the phenyl ring or 3,4-, 3,4,5-, 2,6-, 2,4- or 2,4,6-configuration.

The at least one heterozygous group is intermixed, for example, 1 to 19 times, 1 to 15 times, 1 to 12 times, 1 to 9 times, 1 to 7 times, 1 to 5 times, 1 to 4 times, 1 to 3 Second or one or two times (the number of heteroatoms depends on the number of carbon atoms in the interphase). The group substituted at least once has, for example, 1 to 7, 1 to 5, 1 to 4, 1 to 3 or 1 or 2 identical or different substituents.

A group substituted with the at least one substituent as defined above means having at least one substituent which is the same or different. Halogen is fluorine, chlorine, bromine and iodine, preferably fluorine, chlorine and bromine, more preferably fluorine and chlorine.

For example, if E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ or E ₅ and R ₆ , E ₆ and E ₇ , E ₇ and E ₈ are each independently Then, for example, a structure represented by the following formula (IIIa) to formula (IIIi) is formed, and a structure of the formula (IIIa) is preferred.

Among them, the structure of the formula (IIIa) is preferred.

The compound of formula (III) is characterized in that at least one phenyl ring is partially fused to the carbazole to form a "naphthyl" ring. That is, one of the structures of the above formula (IIIa) to formula (IIIi) is depicted according to formula (III).

If E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ or E ₅ and R ₆ , E ₆ and E ₇ , E ₇ and E ₈ are each independently -(CH ₂ ) _p -W-( CH ₂ ) _q -, for example, or And other structures.

If the substituent OE ₁₇ , SE ₁₈ , SOE ₁₈ , SO ₂ E ₁₈ or NE ₁₉ E ₂₀ on the phenyl or naphthyl ring is via the groups E ₁₇ , E ₁₈ , E ₁₉ and/or E ₂₀ and the naphthyl ring When a carbon atom forms a five- or six-membered ring, a structure comprising three or more rings (including a naphthyl ring) is obtained. Specific examples can be, for example,

If E ₁₇ has or One of the carbon atoms of the phenyl or naphthyl ring of the group forms a single bond, for example, or And other structures.

If E ₁₆ is a phenyl group substituted by SE ₁₈ , wherein E ₁₈ represents a single bond bonded to a phenyl or naphthyl ring having a carbazole moiety of COE ₁₆ , the structure formed may be, for example, , . That is, if E ₁₆ is a phenyl group substituted by SE ₁₈ , wherein the group E ₁₈ represents a single bond bonded to a phenyl or naphthyl ring having a carbazole moiety of COE ₁₆ , and is formed to have a thioxyl moiety at the same time. a phenyl or naphthyl ring with a carbazole moiety.

If E ₁₉ and E ₂₀ are formed together with the bonded nitrogen atom to form a five- or six-membered saturated or unsaturated ring without O or S, or N, S or NE ₁₇ , the saturated or unsaturated ring may be formed. For example, aziridine, pyrrole, thiazole, pyrrolidine, oxazole, pyridine, 1,3-diazine, 1,2-diazine, hexahydropyridine or morpholine. Preferably, if E ₁₉ and E ₂₀ are formed together with the bonded nitrogen atom to form a five- or six-membered saturated or unsaturated ring without O or S, or N, S or NE ₁₇ There are five or six member saturated rings of O or NE ₁₇ , especially O.

If E ₂₁ and E ₂₂ together with the bonded nitrogen atom form a five- or six-membered saturated or unsaturated ring which is unintermixed or intermixed with O, S or NE ₂₆ , and the benzene ring is selectively saturated with or When the unsaturated ring is fused, the saturated or unsaturated ring formed may be, for example, aziridine, pyrrole, thiazole, pyrrolidine, oxazole, pyridine, 1,3-diazine, 1,2-diazine, hexahydro Pyridine or morpholine or corresponding ring formation (eg ).

If E ₁₉ and E ₂₀ form a heteroaromatic ring system together with the bonded nitrogen atom, the heteroaromatic ring system means more than one ring (for example 2 or 3 rings) and from the same species or different One or more heteroatoms of the species. Suitable heteroatoms can be, for example, N, S, O or P, especially N, S or O. Specific examples are carbazole, anthracene, isoindole, carbazole, anthracene, isoquinoline, quinoline, porphyrin, phenothiazine and the like.

The phrase "and/or" or "or/and" in the context of the present invention means that not only one of the defined substituents may be present, but also a plurality of defined substituents, ie, different substitutes. a mixture of substituents).

By "at least" it is meant to define one or more, such as one or both or three, preferably one or both.

Throughout this specification and the claims below, the words "comprise" or variant (eg, "comprises" or "comprising") are understood to include the integer or A step or integer group or group of steps, but does not exclude any other integer or step or integer group or group of steps. The term "(meth)acrylate" as used in the context of the present invention is intended to mean the acrylate and the corresponding methacrylate.

The preferred embodiments shown in the text for the compounds of the present invention in the context of the present invention are intended to refer to all categories of claims, i.e., also to compositions, uses, and Patent application scope of laws, color filters, etc.

The oxime esters of the formula (III) are prepared by a conventional method, for example, by reacting the corresponding hydrazine with a hydrazine halide, particularly a chloride or an acid anhydride, under the following conditions: in an inert solvent (for example: third In butyl methyl ether, tetrahydrofuran (THF) or dimethylformamide, in the presence of a base such as triethylamine or pyridine, or in a basic solvent such as pyridine. In one embodiment of the invention, the compound of formula (IIIa) is prepared by the process of formula (i) wherein the E ₇ is a decyl ester group ( And Z ₁ is a single bond. While the compounds of the formula (IIIb) to the formula (IIIh) are prepared in the same manner, a suitable hydrazine is used.

In the formula (i), E ₁ , E ₂ , E ₅ , E ₆ , E ₈ , E ₁₃ , E ₁₄ and E ₁₅ are as defined above, and X means a halogen atom, especially a chlorine atom.

Preferably, E ₁₄ is a methyl group.

The above reaction represented by the formula (i) is well known to those skilled in the art and is usually carried out at a temperature of from -15 ° C to +50 ° C, preferably at a temperature of from 0 ° C to 25 ° C. .

When Z ₁ is CO, the corresponding lanthanide is obtained by using an alkyl nitrite (such as methyl nitrite, ethyl nitrite, propyl nitrite, butyl nitrite or isoamyl nitrite). Methyl nitrosation to synthesize. Then, the esterification is carried out under the same conditions as described above, and the detailed preparation is as shown in the formula (ii).

Therefore, the corresponding hydrazine compound can be obtained by, for example, in the presence of a mixture of a base or a base. Halogen or as The anhydride is reacted to produce a compound of formula (III) as defined above wherein X is a halogen atom, and particularly a chlorine atom, and E ₁₄ is as defined above.

The desired starting material can be obtained by standard chemistry textbooks (eg J. March, Advanced Organic Chemistry, 4th edition, Wiley Interscience, 1992) or monographs (eg SRSandler & W. Karo, Organic functional group preparations, A variety of methods are described in Volume 3, Academic Press).

One of the most convenient methods is, for example, reacting an aldehyde or a ketone with hydroxylamine or a salt thereof in a polar solvent such as dimethylacetamide (DMA), aqueous DMA, ethanol or an aqueous ethanol solution. In this case, a base such as sodium acetate or pyridine is added to control the pH of the reaction mixture. It is well known that the reaction rate is pH dependent and the base can be added continuously at the beginning or during the reaction. An alkaline solvent such as pyridine can also be used as the base and/or solvent or co-solvent. The reaction temperature is usually from room temperature to the reflux temperature of the mixture, and is usually from about 20 ° C to 120 ° C.

The corresponding ketone intermediate system, for example, is prepared by methods described in the literature (e.g., standard chemistry textbooks, e.g., J. March, Advanced Organic Chemistry, 4th Ed., Wiley Interscience, 1992). In addition, continuous Fried-Krafts The Friedel-Crafts reaction is effective for the synthesis of intermediates. Such reactions are well known to those skilled in the art.

Another convenient synthesis of hydrazine is the nitrosation of "active" methylene groups with nitrous acid or alkyl nitrite. Basic conditions (as described, for example, in Organic Syntheses coll., Volume VI (J. Wiley & Sons, New York, 1988), pages 199 and 840) and acidic conditions (eg, for example, Organic Synthesis coll Volume V, pages 32 and 373, coll. Volume III, pages 191 and 513, coll. Volume II, pages 202, 204 and 363) It is suitable for the preparation of hydrazine used as a starting material in the present invention. Nitrous acid is generally produced from sodium nitrite. The alkyl nitrite can be, for example, methyl nitrite, ethyl nitrite, propyl nitrite, butyl nitrite or isoamyl nitrite.

In another embodiment, the photoinitiator (E-1) is a free hydrazine compound and has the structure shown by the following formula (IIIA):

In the formula (IIIA), E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, , COE ₁₆ , OE ₁₇ , halogen atom, NO ₂ or ; Or E ₁ and E _2, E _2, and E _3, E ₃ and E _4, E ₅ and E _6, E ₆ or E ₇ and E ₇ and E ₈ each independently represent by Alternate carbon number of 2 to 10, or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are independent Commonly represented by -(CH ₂ ) _p -W-(CH ₂ ) _q -; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are independently represented Wherein at least one of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms which is unsubstituted or has at least one group as shown below. Substituted, and at least one group is selected from the group consisting of a phenyl group, a halogen atom, CN, OH, SH, an alkoxy group having a carbon number of 1 to 4, (CO)OH or (CO)O(R ₁ ), wherein R ₁ Or an alkyl group having a carbon number of 1 to 4; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent an unsubstituted phenyl group or a phenyl group substituted with at least one group as shown below, which is at least a group is selected from an alkyl group having a carbon number of 1 to 6, a halogen atom, CN, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a halogen atom , CN, OE ₁₇ , SE ₁₈ , SOE ₁₈ , SO ₂ E ₁₈ or NE ₁₉ E ₂₀ , wherein the substituent OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ is selectively via the groups E ₁₇ , E ₁₈ , E ₁₉ And/or E ₂₀ forms a five-membered or six-membered ring with one carbon atom of the naphthalene ring in formula (IIIA); or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ independently represent , COE ₁₆ or NO ₂ ; W represents O, S, NE ₂₆ or a single bond, p represents an integer from 0 to 3, q represents an integer from 1 to 3, Z ₁ represents CO or a single bond; and E ₁₃ represents a carbon number of 1. The alkyl group to 20, the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, wherein at least one of the above groups is selected from a halogen atom, E ₁₇ , COOE ₁₇ , OE ₁₇ , SE ₁₈ , CONE ₁₉ E ₂₀ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ or Or E ₁₃ represents an alkyl group having 2 to 20 carbon atoms, an alkyl group having 2 to 20 carbon atoms, or one or more O, S, SO, SO ₂ , NE ₂₆ or CO; or E ₁₃ represents a carbon number An alkenyl group of 2 to 12, an alkenyl group having 2 to 12 carbon atoms, having no or hetero or one or more O, CO or NE ₂₆ , wherein the alkyl group having a carbon number of 2 to 20 is inter The hetero or interstacked alkenyl group having a carbon number of 2 to 12 is unsubstituted or substituted with at least one halogen atom; or E ₁₃ represents a cycloalkenyl group having 4 to 8 carbon atoms and an alkynyl group having 2 to 12 carbon atoms. Or a heterocyclic or heterozygous one or more of O, S, CO or NE _{26 having} a carbon number of 3 to 10; or E ₁₃ representing a phenyl or naphthyl group, each of which is unsubstituted or Substituting at least one group shown, wherein the at least one group is selected from the group consisting of OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , , COE ₁₆ , CN, NO ₂ , a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, intermixed with one or more O, S, CO or NE ₂₆ and having a carbon number of 2 to 20 alkyl group; or each warp is not interrupted or is interrupted by one or more O, S, CO, or NE ₂₆ carbon atoms and substituted with a cycloalkyl group of 3 to 10; K represents an integer of from 1 to 10; E ₁₅ An aromatic group having 6 to 20 carbon atoms or a heteroaryl group having 3 to 20 carbon atoms, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a phenyl group, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , bonded to SO and having a carbon number of 1 to An alkyl group of 10, an alkyl group bonded to SO ₂ and having a carbon number of 1 to 10, an intervening one or more O, S or NE ₂₆ and an alkyl group having 2 to 20 carbon atoms; or each carbon number thereof An alkyl group substituted with 1 to 20, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , phenyl, cycloalkyl having 3 to 8 carbon atoms, heteroaryl having 3 to 20 carbon atoms An aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 3 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ representing a hydrogen atom and having a carbon number of 2 to 12 An alkenyl group, a heterocyclo group having one or more O, CO or NE ₂₆ and having a carbon number of 3 to 8; or E ₁₅ representing an alkyl group having 1 to 20 carbon atoms and having a carbon number of 1 to The alkyl group of 20 is unsubstituted or substituted by at least one group as shown below, and at least one group is selected from a halogen atom, OE ₁₇ , SE ₁₈ , a cycloalkyl group having a carbon number of 3 to 8, and a carbon number. a heteroaryl group of 3 to 20, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 3 to 20 carbon atoms, NE ₁₉ E ₂₀ , COOE ₁₇ , CONE ₁₉ E ₂₀ , PO (OC _k H _2k+1 ) ₂ , , Or a phenyl group, wherein the alkyl group having 1 to 20 carbon atoms is substituted with a phenyl group, and the phenyl group is a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, or OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ substituted; or E ₁₅ represents an alkyl group having 2 to 20 carbon atoms, an alkyl group having 2 to 20 carbon atoms, one or more O, SO or SO ₂ , interstitial and carbon The alkyl group of 2 to 20 is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, OE ₁₇ , COOE ₁₇ , CONE ₁₉ E ₂₀ , phenyl or via a phenyl group substituted with OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents an alkanoyl group or a benzamidine group having a carbon number of 2 to 20, which is unsubstituted or has at least one group as shown below Substituted, and at least one group is selected from an alkyl group having 1 to 6 carbon atoms, a halogen atom, a phenyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents unsubstituted or via at least one OE ₁₇ a substituted naphthylmethyl group or a heteroarylcarbonyl group having a carbon number of 3 to 14; or E ₁₅ represents an alkoxycarbonyl group having 2 to 12 carbon atoms, and an alkoxycarbonyl group having 2 to 12 carbon atoms is not Miscellaneous or intermixed with one or more O And intermingled with or without a carbon number of alkoxycarbonyl group of 2 to 12 based unsubstituted or substituted with at least one hydroxyl group; or E ₁₅ Representative phenoxycarbonyl, phenoxycarbonyl unsubstituted or system as shown by the following Substituting at least one group, and at least one group is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, a phenyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ Or E ₁₅ represents CN, CONE ₁₉ E ₂₀ , NO ₂ , a haloalkyl group having a carbon number of 1 to 4, S(O) _r -R ₂ , a phenyl group bonded to S(O)r, wherein O) The phenyl group of the _r bond is unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms or SO ₂ -R ₂ , and R ₂ represents an alkyl group having 1 to 6 carbon atoms; or E ₁₅ represents SO ₂ O bonded phenyl, diphenylphosphonium or di(R ₃ )-phosphonium, wherein the phenyl group bonded to SO ₂ O is unsubstituted or substituted with a carbon number of 1 to 12 Substituted, and R ₃ represents an alkoxy group having a carbon number of 1 to 4; r represents an integer from 1 to 2; E' ₁₅ represents one of the definitions for E ₁₅ ; Z ₂ represents O, S, SO or SO ₂ ; Z ₃ represents O, CO, S or a single bond; E ₁₆ represents an aryl group having 6 to 20 carbon atoms or a heteroaryl having 3 to 20 carbon atoms a group, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of a phenyl group, a halogen atom, a halogenated alkyl group having a carbon number of 1 to 4, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , an alkyl group having one or more O, S or NE ₂₆ and having a carbon number of 1 to 20, or an alkyl group having 1 to 20 carbon atoms, wherein the carbon number is 1 to 20 The alkyl group is unsubstituted or substituted with at least one group as shown below, wherein at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, and a cycloalkyl group having a carbon number of 3 to 8. a heteroaryl group having 3 to 20 carbon atoms, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 3 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₆ represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from halogen. Atom, phenyl, OH, SH, CN, alkenyloxy group having 3 to 6 carbon atoms, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ) , O(CO)phenyl or (CO)OH or (CO)O(R ₁ ); or E ₁₆ represents an alkyl group having 2 to 12 carbons, One or more O, S or NE26 having an alkyl group having 2 to 12 carbon atoms; or E ₁₆ representing (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-( R ₄ ), an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms, wherein R ₄ represents an alkyl group having 1 to 8 carbon atoms; or E ₁₆ represents a benzene substituted by SE ₁₈ a group, wherein E ₁₈ represents a single bond bonded to the phenyl or naphthyl ring of the carbazole moiety to which the COE _{16 is} attached; n represents an integer from 1 to 20; E ₁₇ represents a hydrogen atom, phenyl-R ₅ , An alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, OH, SH, CN, and has a carbon number of 3 to 6 Alkenyloxy, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-(R ₆ ), and O(CO) bond a phenyl group, (CO)OH, (CO)O(R ₁ ), a cycloalkyl group having a carbon number of 3 to 20, SO ₂ -(R ₇ ), O(R ₇ ) or a heterogeneous one or more O And a cycloalkyl group having 3 to 20 carbon atoms, wherein R ₅ represents an alkyl group having 1 to 3 carbon atoms, R ₆ represents an alkenyl group having 2 to 4 carbon atoms, and R ₇ represents a carbon number of 1 to 4 Haloalkyl; or E ₁₇ represents an alkyl group having 2 to 20 carbon atoms and a carbon number of 2 to 20 The alkyl interstitial is one or more of O, S or NE ₂₆ ; or E ₁₇ represents (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), carbon The alkylene group having 1 to 8 alkyl groups, an alkenyl group having 2 to 12 carbon atoms, an olefinic group having 3 to 6 carbon atoms or a cycloalkyl group having 3 to 20 carbon atoms, which has no inter Or a plurality of O, S, CO or NE ₂₆ ; or E ₁₇ represents a group formed by bonding an alkyl group having 1 to 8 carbon atoms to a cycloalkyl group having 3 to 10 carbon atoms, and the above group is not Ory or interstitial with one or more O; or E ₁₇ represents a benzhydryl group, the benzamyl group is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from carbon number An alkyl group of 1 to 6, a halogen atom, an OH or an alkoxy group having 1 to 3 carbon atoms; or E ₁₇ represents a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted Or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, OH, an alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, CN, NO ₂ , phenyl-R ₈ , phenoxy, alkylthio having 1 to 12 carbons, phenylthio, N(R ₉ ) ₂ , diphenyl-amine or Wherein R ₈ represents an alkoxy group having a carbon number of 1 to 3, and R ₉ represents an alkyl group having a carbon number of 1 to 12; or E ₁₇ and has or One of the carbon atoms of the phenyl or naphthyl ring forms a single bond; E ₁₈ represents a hydrogen atom, an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms or a phenyl-R ₅ group, wherein An alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, and a phenyl-R ₅ group having no or hetero or one or more O, S, CO, NE ₂₆ or COOE 17; or E ₁₈ An alkyl group having a carbon number of 1 to 20, an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group of the formula: wherein at least one group is selected from the group consisting of OH, SH, CN, carbon Number 3 to 6 alkenyloxy, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₆ ), O(CO)-(R ₁ ), O (CO)-phenyl or (CO)OE ₁₇ ; or E ₁₈ represents an alkyl group having 2 to 20 carbon atoms, and an alkyl group having 2 to 20 carbon atoms. One or more O, S, CO, NE ₂₆ Or COOE ₁₇ ; or E ₁₈ represents (CH ₂ CH ₂ O) _n H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkanoyl group having a carbon number of 2 to 8 or a carbon number of 3 An olefin group to 6; or E ₁₈ represents a benzamidine group, which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a carbon number of 1 to 6 Alkyl group, halogen atom, OH, An alkoxy group having 1 to 4 carbon atoms or an alkylthio group having 1 to 4 carbon atoms; or E ₁₈ representing a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or Substituting at least one group as shown below, and at least one group is selected from the group consisting of a halogen atom, an alkyl group having 1 to 12 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, and an alkoxy group having 1 to 12 carbon atoms. Base, CN, NO ₂ , phenyl-R ₈ , phenoxy, alkylthio group having 1 to 12 carbon atoms, phenylthio group, N(R ₉ ) ₂ , diphenylamino group, (CO) O(R ₄ ), CO-R ₄ , (CO)N(R ₄ ) ₂ or E ₁₉ and E ₂₀ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, and a carbon number of 2 Alkenyl group to 5, cycloalkyl group having 3 to 20 carbon atoms, phenyl-R ₅ , alkanoyl group having 1 to 8 carbon atoms, alkyl alkoxy group having 1 to 8 carbon atoms, carbon number 3 to 12 olefinic groups, SO ₂ -R ₇ or benzamidine groups; or E ₁₉ and E ₂₀ represent a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or Substituting at least one group as shown below, and the at least one group is selected from the group consisting of a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, and a carbon number of 1 to 12 An alkyl group, a benzamidine group or an alkoxy group having a carbon number of 1 to 12; or an E ₁₉ and E ₂₀ group together with a bonded nitrogen atom to form a five-membered member having no inter or heterogeneous O, S or NE ₁₇ Or a six-membered saturated or unsaturated ring, and the five or six member saturated or unsaturated ring system is unsubstituted or substituted with at least one group as shown below, wherein at least one group is selected from a carbon number of 1 to 20 Alkyl group, alkoxy group having 1 to 20 carbon atoms, =0, OE ₁₇ , SE ₁₈ , NE ₂₁ E ₂₂ , (CO)E ₂₃ , NO ₂ , a halogen atom, a halogenated alkyl group having a carbon number of 1 to 4, CN, a phenyl group, Or interrupted or not by at least one O, S, CO, or NE ₁₇ carbon atoms and is interrupted by a cycloalkyl group having 3 to 20; or E ₁₉ and E ₂₀ together with the nitrogen atom based attached the heteroaromatic ring System, the heteroaromatic ring system is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms and a carbon number of 1 to 4. Haloalkyl, alkoxy with 1 to 20 carbon atoms, =0, OE ₁₇ , SE ₁₈ , NE ₂₁ E ₂₂ , (CO)E ₂₃ , a halogen atom, NO ₂ , CN, phenyl, or a cycloalkyl group having one or more O, S, CO or NE ₁₇ and having a carbon number of 3 to 20 without interstitial or heterogeneous; E ₂₁ and E ₂₂ are independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms or a phenyl group; and a nitrogen atom to which E ₂₁ and E _{22 are} bonded thereto Forming a five- or six-membered saturated or unsaturated ring having no or interstitial or O, S or NE ₂₆ , wherein the five or six member saturated or unsaturated ring system is not fused or fused to the benzene ring; ₂₃ represents a hydrogen atom, OH, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having at least one O, CO or NE ₂₆ and having a carbon number of 2 to 20, which is not a cycloalkyl group having an O, S, CO or NE ₂₆ and having a carbon number of 3 to 20; or E ₂₃ representing a phenyl group, a naphthyl group, a phenyl-R ₁ , OE ₁₇ , SE ₁₈ or NE ₂₁ E ₂₂ E ₂₄ stands for (CO) OE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E ₁₇ or has one of the definitions for E ₁₉ and E ₂₀ ; E ₂₅ stands for COOE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E _17; or for those having one of the definitions E _17; E ₂₆ represents a hydrogen atom, Alkyl having from 1 to 20, the haloalkyl group having a carbon number of 1 to 4, intermingled with at least one O or CO and alkyl having 2 to 20; or E ₂₆ represents phenyl -R _1, not intermingled Or a heterocyclic group having one or more O or CO and having a carbon number of 3 to 8; or E ₂₆ representing (CO)E ₁₉ ; or E ₂₆ representing a phenyl group, E ₂₆ being unsubstituted or as shown below Substituting at least one group, and the at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or , but the photoinitiator (E-1) having the structure of the formula (IIIA) has at least one or

The group defined for the compound represented by the formula (IIIA) preferably corresponds to the one defined for the compound of the formula (III) below, except for the defined oxime ester group (for example). Are replaced by corresponding free sulfonium groups

Each oxime ester group can exist in two configurations (Z) or (E). The isomers can be separated by conventional methods, but a mixture of isomers can also be used as, for example, a photoinitiator. Accordingly, the photoinitiator (E-1) of the present invention, such as the compound of the formula (III), comprises a mixture of configurational isomers.

In a preferred embodiment, the photoinitiator (C) comprises a photoinitiator (E-1) of the structure shown in formula (III), wherein E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, , COE ₁₆ or NO ₂ ; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are respectively independently represented Wherein at least one of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are Z ₁ represents CO or a single bond; E ₁₃ represents an alkyl group having 1 to 20 carbon atoms, and an alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group The group is selected from a halogen atom, OE ₁₇ , SE ₁₈ , COOE ₁₇ , CONE ₁₉ E ₂₀ or PO(OC _k H _2k+1 ) ₂ ; or E13 represents an alkyl group having a carbon number of 2 to 20, and the interstitial a plurality of O, S, NE ₂₆ or CO; or E ₁₃ represents a phenyl or naphthyl group, both of which are unsubstituted or at least one Or COE ₁₆ substituted; E ₁₄ represents an alkyl group having 1 to 20 carbon atoms, a phenyl group or an alkoxy group having 1 to 8 carbon atoms; and E ₁₅ represents a phenyl group, a naphthyl group, and a heteroaryl group having a carbon number of 3 to 20. a group, each of which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a phenyl group, a halogen atom, a halogenated alkyl group having a carbon number of 1 to 4, OE ₁₇ , SE ₁₈ , An alkyl group having at least one O or S and having a carbon number of 2 to 20, or each of which is substituted with one or more alkyl groups having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is not Substituted or substituted with at least one group as shown below, and at least one group selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, a cycloalkyl group having a carbon number of 3 to 8, and a carbon number of a heteroaryl group of 3 to 20, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 4 to 20 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or PO (OCkH _{2k+1) 2} ; or E ₁₅ represents an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from OE ₁₇ , SE ₁₈ , carbon number a cycloalkyl group of 3 to 8 carbon atoms, a heteroaryl group of from 3 to 20, NE ₁₉ E ₂₀ COOE _17, CONE ₁₉ E ₂₀ or _{PO (OC k H 2k + 1} ) 2; E '14 represents a definition of E ₁₄ for one of the persons; E' ₁₅ represents a ₁₅ for one of those defined in E; E ₁₆ represents a phenyl group which is unsubstituted or substituted with at least one group as shown below, and at least one group selected from OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , at least one O, S or NE ₂₆ And an alkyl group having a carbon number of 2 to 20; or E ₁₆ represents a phenyl group which is substituted with at least one alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or Substituting at least one group as shown below, and at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, a cycloalkyl group having a carbon number of 3 to 8, and a carbon number of 3 to 20. a heteroaryl group, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 4 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₆ representing a carbon number of 1 to 20 The alkyl group, the E ₁₆ group is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of a halogen atom, a phenyl group, an OH group, a SH group, and a carbon number of 3 to 6 carbon atoms. Oxygen, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ) Or (CO)O(R ₁ ); E ₁₇ represents an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom. , OCH ₂ CH ₂ (CO)O(R ₁ ), O(R ₁ ), (CO)O(R ₁ ), a cycloalkyl group having a carbon number of 3 to 20, wherein the number of carbon atoms is 3 to 20 The base is unintercalated or heterozygous at least one O; or E ₁₇ represents an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms is at least one O; E ₁₈ represents a substitution by (CO)OE ₁₇ Methyl; E ₁₉ and E ₂₀ each independently represent a hydrogen atom, a phenyl group, an alkyl group having 1 to 20 carbon atoms, an alkanoyl group having 1 to 8 carbon atoms or an alkanoyloxy group having 1 to 8 carbon atoms. Or the E ₁₉ and E ₂₀ systems together with the bonded nitrogen atom form a heteroaromatic ring system, the heteroaromatic ring system is unsubstituted or Substituting, but the photoinitiator (E-1) having the structure of the formula (III) has at least one

Attention must be paid to compounds of formula (III) as defined above, wherein E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, COE ₁₆ or NO ₂ ; E ₃ and E ₄ together E _9, E _10, E ₁₁ and E ₁₂ is a hydrogen atom; Z ₁ is a single bond; E ₁₃ based alkyl group having a carbon number of 1 to 20; E ₁₄ based alkyl group having a carbon number of 1 to 20; E ₁₅ lines a phenyl group having 1 to 20 carbon atoms or substituted with at least one of the following groups, wherein at least one of the groups may be OE ₁₇ or an alkyl group having 1 to 20 carbon atoms; E ₁₆ phenyl group, phenyl group Substituting at least one of the following groups, wherein at least one of the groups may be OE ₁₇ or an alkyl group having 1 to 20 carbon atoms; the E ₁₇ group is unsubstituted or substituted with at least one halogen atom and has a carbon number of 1 or 20 An alkyl group or a system having at least one oxygen atom having 1 to 20 carbon atoms, provided that at least one of the compounds of the formula (III) has a structural formula

In a more preferred embodiment, the photoinitiator (C) comprises a photoinitiator (E-1) of the structure shown in formula (III), wherein E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom; or E ₁ and E ₂ , E ₃ and E ₄ or E ₅ and E ₆ are independently represented independently And at least one of E ₁ and E ₂ , E ₃ and E ₄ or E ₅ and E ₆ are E ₂ represents , COE ₁₆ , NO ₂ or ; or E ₇ represents Or COE ₁₆ ; E ₉ , E ₁₁ and E ₁₂ represent a hydrogen atom; E ₁₀ represents a hydrogen atom, OE ₁₇ or COE ₁₆ ; Z ₁ represents CO or a single bond; and E ₁₃ represents an alkyl group having 1 to 20 carbon atoms; Is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, E ₁₇ , OE ₁₇ , SE ₁₈ or PO(OC _k H _2k+1 ) ₂ ; or E ₁₃ Represents an alkyl group having a carbon number of 2 to 20, the interstitial is at least one O; or E ₁₃ represents a phenyl group; k represents an integer 2; E ₁₄ represents an alkyl group having 1 to 20 carbon atoms or a thienyl group; and E ₁₅ represents a benzene group. Or a naphthyl group, each of which is unsubstituted or substituted with at least one OE ₁₇ or an alkyl group having 1 to 20 carbon atoms; or E ₁₅ represents a thienyl group, a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, wherein The alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from OE ₁₇ , SE ₁₈ , a cycloalkyl group having 3 to 8 carbon atoms, NE ₁₉ E ₂₀ or COOE ₁₇ ; or E ₁₅ represents an alkyl group having 2 to 20 carbon atoms, and an alkyl group having a carbon number of 2 to 20 is interspersed with SO ₂ ; E ₁₆ represents a phenyl group or a naphthyl group, each of which is not Substituted or substituted with at least one group as shown below, and at least one Group selected from _{OE 17, SE 18, NE 19} E 20 carbon atoms or an alkyl group of 1 to 20; E _16, or on behalf of thienyl; E ₁₇ represents a hydrogen atom, an alkyl carbon atoms or acyl of 1 to 8 carbon An alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, O(CO) -(R ₁ ), O(CO)-(R ₆ ), or a cycloalkyl group having at least one O and having a carbon number of 3 to 20; or E ₁₇ representing an alkyl group having 2 to 20 carbon atoms, and having a carbon number Is an alkyl group of 2 to 20 at least one O; E ₁₈ represents a cycloalkyl group having 3 to 20 carbon atoms and an alkyl group having 1 to 20 carbon atoms which are unsubstituted or have at least one OH, O (CO) - (R ₆ ) or (CO) OE ₁₇ substituted; or E ₁₈ represents a phenyl group which is unsubstituted or substituted with at least one halogen atom; the E ₁₉ and E ₂₀ systems independently represent a carbon number of 1 to 8 Alkanoyl or a carbon number of 1 to 8 alkyl fluorenyloxy; or E ₁₉ and E ₂₀ together with the bonded nitrogen atom to form a five or six member saturated ring interspersed with O, provided that The photoinitiator (E-1) having the structure shown in (III) has at least one

Specific examples of the photoinitiator (E-1) of the present invention are compounds of the formulae (IIIa) to (IIIg) as defined above, formula (IIIa), formula (IIIb), formula (IIIc), especially formula ( IIIa) or formula (IIIc), or formula (IIIa), formula (IIIc) or formula (IIId), especially a compound of formula (IIIa) is of interest.

In one example, E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, Or COE ₁₆ , or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are respectively independently represented

In an example, E ₁ and E ₂ or E ₃ and E ₄ are , or E ₃ and E ₄ , E ₅ and E ₆ are ; E ₃ and E _{4 are} especially common

In one example, E ₁ , E ₅ , E ₆ and E ₈ represent a hydrogen atom. Preferably, E ₇ represents a hydrogen atom, Or COE ₁₆ or E ₇ represents Or COE ₁₆ , but with E ₇ For better. Preferably, E ₂ represents , COE ₁₆ or , or E ₂ and E ₁ are However, it is better to use E ₂ for COE ₁₆ . Z _{1 is} preferably a single bond.

In one example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or substituted with at least one group as shown below. a phenyl group, and at least one group is selected from the group consisting of a C 1 to 6 alkyl group, a halogen atom, OE ₁₇ or SE ₁₈ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a halogen atom, OE ₁₇ , SE ₁₈ , or NE ₁₉ E ₂₀ , wherein the substituent OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ is selectively via the groups E ₁₇ , E ₁₈ , E ₁₉ and/or E ₂₀ and formula (III) One carbon atom of the naphthalene ring forms a five-membered ring or a six-membered ring; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ are independently represented Or COE ₁₆ .

In a specific example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or at least one group as shown below a group substituted with a phenyl group, and at least one group selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, OE ₁₇ or SE ₁₈ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently representing a halogen Atom, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ are independently represented Or COE ₁₆ .

In one example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or one or more carbon numbers of 1 to 6 alkyl substituted phenyl; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ are independently represented Or COE ₁₆ .

In another example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or substituted with at least one group as shown below. a phenyl group, and at least one group selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, OE ₁₇ or SE ₁₈ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently representing a halogen atom, OE _17. SE ₁₈ or NE ₁₉ E ₂₀ wherein the substituent OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ is selectively via the groups E ₁₇ , E ₁₈ , E ₁₉ and/or E ₂₀ and in formula (III) One carbon atom of the naphthalene ring forms a five-membered ring or a six-membered ring.

Further, in one example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or at least one group as shown below a substituted phenyl group, at least one group selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, OE ₁₇ or SE ₁₈ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently representing a halogen atom, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or COE ₁₆ .

Or, in one example, E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an unsubstituted phenyl group or at least one group as shown below a substituted phenyl group, at least one group selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, OE ₁₇ or SE ₁₈ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently representing a halogen atom, OE ₁₇ , COE ₁₆ or NE ₁₉ E ₂₀ .

Preferably, E ₉ , E ₁₁ and E ₁₂ are hydrogen atoms, and E ₁₀ is a hydrogen atom, OE ₁₇ or COE ₁₆ .

The E _{13 group} , for example, represents an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as described below, wherein at least one of the above groups is selected from a halogen atom, COOE ₁₇ or CONE ₁₉ E ₂₀ ; or E ₁₃ represents an alkyl group having 2 to 20 carbon atoms; an alkyl group having 2 to 20 carbon atoms; one or more O, S, SO, SO ₂ , NE ₂₆ or CO; E ₁₃ represents carbon An alkenyl group having 2 to 12 alkenyl groups, an alkenyl group having 2 to 12 carbon atoms which is uninter or hetero-organic, having one or more O, CO or NE ₂₆ ; or E ₁₃ representing a cycloalkyl group having a carbon number of 3 to 10, The alkyl group is unintermixed or heterozygous with one or more O, S, CO or NE ₂₆ ; or E ₁₃ represents a phenyl or naphthyl group, and each of them is unsubstituted or substituted with at least one group as shown below, wherein At least one group is selected from the group consisting of OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , , COE ₁₆ , NO ₂ , a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having at least one O and having a carbon number of 2 to 20; or a carbon number An alkyl group of 1 to 20 which is unsubstituted or substituted with at least one group as defined below, wherein at least one of the above groups is selected from the group consisting of a halogen atom, E ₁₇ , COOE ₁₇ , OE ₁₇ , SE ₁₈ , CONE ₁₉ E ₂₀ or PO(OC _k H _2k +1) ₂ ; or an alkyl group having a carbon number of 2 to 20, which has one or more O interphases.

Further, E ₁₃ represents an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, wherein at least one of the above groups is selected from a halogen atom, E ₁₇ , COOE ₁₇ , OE ₁₇ , SE ₁₈ , CONE ₁₉ E ₂₀ or PO(OC _k H _2k+1 ) ₂ ; or an alkyl group having a carbon number of 2 to 20, and an alkyl group having a carbon number of 2 to 20 having an O; Or an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms; or E ₁₃ representing a phenyl group or a naphthyl group, each of which is unsubstituted or at least one group as shown below Substituting at least one of the groups is selected from the group consisting of OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , And COE ₁₆ , NO ₂ , a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having 1 to 20 carbon atoms and having a carbon number of 2 to 20.

In another embodiment, E ₁₃ represents an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as defined below, wherein at least one of the above groups is selected from a halogen atom, E ₁₇ , OE ₁₇ , SE ₁₈ , or PO(OC _k H _2k+1 ) ₂ ; or an alkyl group having one or more O and having a carbon number of 2 to 20; or an alkene having 2 to 12 carbon atoms A cycloalkyl group having a carbon number of 3 to 10, a phenyl group or a naphthyl group.

Alternatively, E ₁₃ may, for example, represent an alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as defined below, wherein at least one of the above groups is selected from a halogen atom, E ₁₇ , OE ₁₇ , SE ₁₈ or PO(OC _k H _2k+1 ) ₂ ; or an alkyl group having at least one O and having a carbon number of 2 to 20; or an alkenyl group or a carbon having a phenyl group and a carbon number of 2 to 12 The number is from 3 to 10 cycloalkyl groups.

Alternatively, E ₁₃ may represent an alkyl group having 1 to 20 carbon atoms, a phenyl group, an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 10 carbon atoms. Or E ₁₃ is an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 10 carbon atoms. Preferably, E ₁₃ may represent an alkyl group having from 1 to 20 carbon atoms, especially an alkyl group having from 1 to 8 carbon atoms, such as 2-ethylhexyl.

E ₁₄ may, for example, represent a hydrogen atom, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, an alkoxy group having 1 to 20 carbon atoms or an alkyl group having 1 to 20 carbon atoms. It is unsubstituted or substituted with at least one halogen atom or phenyl group; or E ₁₄ represents a phenyl or naphthyl group, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group It is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a halogen atom, OE ₁₇ , SE ₁₈ and/or NE ₁₉ E ₂₀ ; or E ₁₄ representing a carbon number of 3 to 5 An aryl group such as a thienyl group, or an alkoxy group having a carbon number of 1 to 8, a benzyloxy group or a phenoxy group.

Alternatively, E14 may, for example, represent an alkyl group having 1 to 20 carbon atoms, and an alkyl group having 1 to 20 carbon atoms may be substituted with at least one halogen atom or a phenyl group; or E ₁₄ represents a heteroaryl group having a carbon number of 3 to 5. a group (for example, thienyl) or a phenyl group which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from an alkyl group having 1 to 6 carbon atoms and a carbon number of 1 to 4 The haloalkyl group, the halogen atom, OE ₁₇ , SE ₁₈ and/or NE ₁₉ E ₂₀ ; or E ₁₄ represents an alkoxy group having a carbon number of 1 to 8, a benzyloxy group or a phenoxy group.

In another embodiment, E ₁₄ represents an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with a phenyl group; or E ₁₄ is a phenyl group, and the phenyl group is not Substituted or substituted with at least one alkyl group having 1 to 6 carbon atoms.

Preferably, E ₁₄ is an alkyl group having 1 to 20 carbon atoms, a heteroaryl group having 3 to 5 carbon atoms (for example, thienyl group), or a phenyl group, especially an alkyl group having 1 to 20 carbon atoms or The thienyl group is more preferably an alkyl group having 1 to 8 carbon atoms.

E ₁₅ may, for example, be an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 5 to 20 carbon atoms, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected From a phenyl group, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , an alkyl group having 1 to 20 carbon atoms; or an E ₁₅ hydrogen atom a cycloalkyl group having 3 to 8 carbon atoms, wherein the cycloalkyl group having 3 to 8 carbon atoms is undoped or inter-hetero-doped with one or more O, CO or NE ₂₆ ; or the E ₁₅ carbon number is 1 to 20 The alkyl group, the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, OE ₁₇ and a carbon number of 3 to 8. a cycloalkyl group, a heteroaryl group having 5 to 20 carbon atoms, a phenoxycarbonyl group having 8 to 20 carbon atoms, a heteroaryloxy-carbonyl group having 5 to 20 carbon atoms, NE ₁₉ E ₂₀ , COOE ₁₇ , CONE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , a phenyl group or a phenyl group substituted by a group selected from the group consisting of a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ or NE ₁₉ E ₂₀ ; Or E ₁₅ is an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms is at least one O, S or SO ₂ ; or E ₁₅ is an alkyl 2 group having 2 to 20 carbon atoms; a benzamidine group, an alkoxycarbonyl group having 2 to 12 carbon atoms, a phenoxycarbonyl group, CONE ₁₉ E ₂₀ , NO ₂ or a halogenated alkyl group having 1 to 4 carbon atoms.

Further, E ₁₅ may, for example, be a hydrogen atom, an aryl group having 6 to 20 carbon atoms, especially a phenyl group or a naphthyl group, each of which is unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms. Or a heteroaryl group having a carbon number of 3 to 5, such as a thienyl group; or a cycloalkyl group having a carbon number of 3 to 8, an alkyl group having 1 to 20 carbon atoms, which is unsubstituted or as follows At least one group is substituted, and at least one group is selected from OE ₁₇ , SE ₁₇ , a cycloalkyl group having a carbon number of 3 to 8, NE ₁₉ E ₂₀ or COOE ₁₇ ; or an E ₁₅ carbon number of 2 An alkyl group of 20, and an alkyl group having 2 to 20 carbon atoms is interspersed with at least one O or SO ₂ .

In the compound of the formula (III), E ₁₅ may, for example, be a hydrogen atom, a phenyl group or a naphthyl group, each of which is unsubstituted or substituted with an alkyl group having 1 to 8 carbon atoms; or an E ₁₅ -based thienyl group. An alkyl group having 1 to 20 carbon atoms which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of OE ₁₇ and SE ₁₇ and having a carbon number of 3 to 8. An alkyl group, NE ₁₉ E ₂₀ or COOE ₁₇ ; or E ₁₅ is an alkyl group having 2 to 20 carbon atoms, and an alkyl group having 2 to 20 carbon atoms is interspersed with at least one O or SO ₂ .

E _{15 is} especially, for example, a cycloalkyl group having 3 to 8 carbon atoms or an alkyl group having 1 to 20 carbon atoms, preferably an alkyl group having 1 to 20 carbon atoms, more preferably 1 to 12 carbon atoms. Alkyl group.

The preferred ones of E' ₁₄ and E' ₁₅ respectively have one of the definitions defined above for E ₁₄ and E ₁₅ .

Z ₂ is, for example, O, S or SO, such as O or S, especially O.

E ₁₆ may, for example, be an aryl group having 6 to 20 carbon atoms (especially a phenyl or naphthyl group, especially a phenyl group) or a heteroaryl group having a carbon number of 5 to 20 (especially a thienyl group), each of which is unsubstituted or Substituting at least one group as shown below, and at least one group is selected from the group consisting of a phenyl group, a halogen atom, a halogenated alkyl group having a carbon number of 1 to 4, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ Or an alkyl group having at least one carbon number of 1 to 20; or each of which is substituted with at least one alkyl group having 1 to 20 carbon atoms, an alkyl group having 1 to 20 carbon atoms unsubstituted or as shown below Substituting at least one group, and at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, a cycloalkyl group having a carbon number of 3 to 8, and a heteroaryl group having a carbon number of 5 to 20. a aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 5 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or an E ₁₆ -based hydrogen atom having a carbon number of 1 to An alkyl group of 20, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from the group consisting of a halogen atom, a phenyl group, an OH group, an SH group, and a carbon group. Number 3 to 6 alkenyloxy, OCH ₂ CH ₂ (CO)O(R ₁ ), O (CO)-(R ₁ ), O(CO)-phenyl, (CO)OH or (CO)O(R ₁ ); or an E ₁₆ alkyl group having 2 to 12 carbon atoms and having a carbon number of 2 Between the alkyl groups of 12, at least one O; or E ₁₆ (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), carbon number 2 to 12 The alkenyl group or a cycloalkyl group having a carbon number of 3 to 8 and n is 1 to 20, for example 1 to 12 or 1 to 8, especially 1 or 2.

Furthermore, E ₁₆ may, for example, be phenyl or naphthyl, especially phenyl, thienyl or oxazole, each unsubstituted or substituted by at least one group as shown below, and at least one group selected from a phenyl group, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or an alkyl group having 1 to 20 carbon atoms; or an E ₁₆ alkyl group having 1 to 20 carbon atoms An alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from a halogen atom, a phenyl group, an OH group, and an SH group having a carbon number of 3 to 6 Alkenyloxy, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-phenyl, (CO)OH or (CO)O(R ₁ ); Or an E ₁₆ alkyl group having 2 to 12 carbon atoms, and an alkyl group having 2 to 12 carbon atoms having at least one O; or an E ₁₆ system (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms, and n is 1 to 20, for example 1 to 12 or 1 to 8 Especially 1 or 2.

Furthermore, E ₁₆ may, for example, be phenyl or naphthyl, especially phenyl, each unsubstituted or substituted by at least one group as shown below, and at least one group selected from phenyl, halogen atom, a haloalkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or an alkyl group having 1 to 20 carbon atoms; or an E ₁₆ group heteroaryl group having 3 to 5 carbon atoms, especially a thienyl group .

E _{16 is} especially, for example, a phenyl group which is unsubstituted or substituted with at least one group as shown below, and at least one group selected from OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or a carbon number of An alkyl group of 1 to 20, or an E ₁₆ system thienyl group.

Preferably, E ₁₆ is, for example, phenyl or naphthyl, each unsubstituted or substituted with at least one alkyl group having from 1 to 20 carbon atoms.

E _{16 is} especially a phenyl group, and the phenyl group is substituted with at least one alkyl group having 1 to 20 carbon atoms.

E ₁₇ may, for example, be a hydrogen atom, a phenyl-R ₅ group, an alkyl group having 1 to 20 carbon atoms, which is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from Halogen atom, OH, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-(R ₆ ), O(CO)-phenyl, (CO)OH , (CO)O(R ₁ ), a cycloalkyl group having 3 to 20 carbon atoms or a cycloalkyl group having a carbon number of 3 to 20 intermixed with at least one O; or an E ₁₇ alkyl group having 2 to 20 carbon atoms And the alkyl group having a carbon number of 2 to 20 is interspersed with at least one O; or E ₁₇ (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ) An alkanoyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, an olefinic group having 3 to 6 carbon atoms or a cycloalkyl group having 3 to 20 carbon atoms, which is unintercalated or Between at least one O; or E ₁₇ benzyl fluorenyl, and the benzyl group is unsubstituted or substituted by at least one group as shown below, and at least one group is selected from a carbon number of 1 to An alkyl group, a halogen atom, an OH group or an alkoxy group having a carbon number of 1 to 3; or an E ₁₇ group phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 5 to 20, each of which is unsubstituted or Substituting at least one group as shown below, and Less in a group selected from a halogen atom, OH, an alkyl group having a carbon number of 1-12, an alkoxy group having a carbon number of 1 to 12, CN, NO _2, phenyl -R _8, a phenoxy group, C a number of 1 to 12 alkylthio, phenylthio, N(R ₉ ) ₂ , diphenyl-amine or

In another embodiment, E ₁₇ is, for example, a hydrogen atom, a phenyl-R ₅ , an alkyl group having from 1 to 20 carbon atoms, which is unsubstituted or substituted with at least one group as shown below, and At least one group is selected from a halogen atom, O(CO)-(R ₁ ), O(CO)-(R ₆ ) or an alkyl group having at least one O and having a carbon number of 2 to 20; or E ₁₇ And an alkylene group having 1 to 8 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, an olefinic group having 3 to 6 carbon atoms, an alkyl group having 2 to 20 carbon atoms and at least one O, and not a heterocyclic or intervening heterocyclic alkyl group having at least one carbon number of 3 to 20; or an E ₁₇ benzhydryl group, which is unsubstituted or substituted with at least one group as shown below, and At least one group is selected from an alkyl group having 1 to 6 carbon atoms, a halogen atom, OH or an alkoxy group having 1 to 3 carbon atoms; or an E ₁₇ phenyl group or a naphthyl group, each of which is unsubstituted or Substituted by at least one group as shown below, and at least one group is selected from a halogen atom, an alkyl group having 1 to 12 carbon atoms or an alkoxy group having 1 to 12 carbon atoms.

E ₁₇ is also, for example, a hydrogen atom, a phenyl-R ₅ group, an alkanoyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 20 carbon atoms, which is unsubstituted or at least one as shown below. a group substituted, and at least one group is selected from a halogen atom, a cycloalkyl group having 3 to 20 carbon atoms, O(CO)-(R ₁ ), O(CO)-(R ₆ ) or at least O is an alkyl group of a carbon number of 2 to 20, E _17, or based carbon atoms of the alkyl group of 2 to 20, between at least one heteroatom O.

E _{17 is} especially a hydrogen atom, an alkanoyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 20 carbon atoms, which is unsubstituted or substituted with at least one group as shown below, and at least one group Is selected from O(CO)-(R ₁ ), O(CO)-(R ₆ ) or an alkyl group having at least one O carbon number of 2 to 20, or an E ₁₇ carbon number of 2 to 20 An alkyl group having at least one O intermixed therebetween.

E ₁₈ is, for example, a cycloalkyl group having 3 to 20 carbon atoms which is undoped or inter-heteromeric with at least one O; or an E ₁₈ alkyl group having 1 to 20 carbon atoms which is unsubstituted or as follows At least one group is substituted, and at least one group is selected from OH, O(CO)-(R ₆ ), O(CO)-(R ₁ ) or (CO)OE ₁₇ ; or E ₁₈ -based carbon a number of 2 to 20 alkyl groups interspersed with at least one O, S, CO, NE ₂₆ or COOE ₁₇ ; or an E ₁₈ alkylene group having 2 to 8 carbon atoms or an olefin having 3 to 6 carbon atoms a phenyl fluorenyl group; or an E ₁₈ phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or substituted with at least one group as shown below, and at least one group It is selected from a halogen atom, an alkyl group having 1 to 12 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, or NO ₂ .

In another embodiment, E ₁₈ is, for example, a cycloalkyl group having from 3 to 20 carbon atoms, an alkyl group having from 1 to 20 carbon atoms, which is unsubstituted or substituted with at least one group as shown below And at least one group is selected from the group consisting of OH, O(CO)-(R ₆ ), O(CO)-(R ₁ ) or (CO)OE ₁₇ ; or E ₁₈ phenyl or naphthyl, each of which Unsubstituted or substituted with at least one halogen atom or an alkyl group having 1 to 12 carbon atoms, especially a halogen atom.

E ₁₈ is, for example, an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, a phenyl group - R ₅ and a carbon number of 2 to 8 Alkyl, benzylidene, phenyl or naphthyl.

For example, E ₁₈ is an alkyl group having 1 to 20 carbon atoms which is substituted with at least one group as shown below, and at least one group is selected from OH, O(CO)-(R ₆ ), O(CO)-(R ₁ ) or (CO)OE ₁₇ , or an E ₁₈ -based phenyl group substituted with at least one halogen atom.

Preferably, E ₁₈ is an alkyl group having 1 to 8 carbon atoms which is substituted as defined above.

For example, E ₁₉ and E ₂₀ are each independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, and a phenyl group. a -R ₅ , phenyl or naphthyl group, an alkanoyl group having 1 to 8 carbon atoms, an alkyl fluorenyloxy group having 1 to 8 carbon atoms, an olefinic group having a carbon number of 3 to 12 or a benzamidine group; Or the E ₁₉ and E ₂₀ systems together with the bonded nitrogen atom form a five- or six-membered saturated or unsaturated ring without interstitial or interstitial O, S or NE ₁₇ ; or E ₁₉ and E ₂₀ and the bond The nitrogen atoms of the knot together form a heteroaromatic ring system, the heteroaromatic ring system is unsubstituted or substituted with at least one group as shown below, and at least one group is selected from an alkyl group having 1 to 20 carbon atoms. a halogenated alkyl group having 1 to 4 carbon atoms, or

Further, for example, E ₁₉ and E ₂₀ are each independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, Phenyl-R ₅ , an alkanoyl group having a carbon number of 1 to 8, an alkanoyloxy group having 1 to 8 carbon atoms, an olefinic group having a carbon number of 3 to 12 or a benzhydryl group; or E ₁₉ and The E ₂₀ system together with the bonded nitrogen atom forms a five- or six-membered saturated ring which is unintermixed or intermixed with O or NE17; or the E ₁₉ and E ₂₀ systems together with the bonded nitrogen atom form an indazole ring.

For example, E ₁₉ and E ₂₀ are each independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, and a phenyl group. -R ₅ , an alkanoyl group having 1 to 8 carbon atoms, an alkenyloxy group having 1 to 8 carbon atoms, an olefinic group having a carbon number of 3 to 12 or a benzamidine group; or E ₁₉ and E ₂₀ Together with the nitrogen atom to which it is bonded, it forms a five- or six-membered saturated ring that is either inter- or hetero-organized with O or NE ₁₇ .

Preferably, E ₁₉ and E ₂₀ are each independently an alkanoyl group having 1 to 8 carbon atoms, an alkyl fluorenyl group having 1 to 8 carbon atoms, or an E ₁₉ and E ₂₀ system bonded to a nitrogen atom; The atom forms a morpholine ring.

For example, E ₂₁ and E ₂₂ are each independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms or a phenyl group; Or the E ₂₁ and E ₂₂ systems form a morpholine ring with the bonded nitrogen atom. In particular, E ₂₁ and E ₂₂ are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms.

E ₂₃ is, for example, a hydrogen atom, an OH group, a phenyl group or an alkyl group having 1 to 20 carbon atoms. E _{23 is} especially a hydrogen atom, OH or an alkyl group having 1 to 4 carbon atoms.

The preferred of E ₂₄ is as defined for E ₁₉ and E ₂₀ . The preferred of E ₂₅ is one of those defined for E ₁₇ .

E ₂₆ is, for example, a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having 2 to 20 carbon atoms, and at least one O or CO intermixed therebetween; or E ₂₆ series phenyl-R ₁ , cycloalkyl having 3 to 8 carbon atoms, and a cycloalkyl group having 3 to 8 carbon atoms without inter- or hetero- or one or more O or CO; or E ₂₆ (CO) E ₁₉ or a phenyl group, and the phenyl group is unsubstituted or substituted by at least one of the following groups, and at least one group may be an alkyl group having 1 to 20 carbon atoms, a halogen atom, and an alkyl halide having 1 to 4 carbon atoms. Base, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ .

Or E ₂₆ represents, for example, a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a phenyl group-R ₁ , a cycloalkyl group having 3 to 8 carbon atoms, (CO) E ₁₉ or a phenyl group, and the phenyl group is unsubstituted or substituted with at least one alkyl group having 1 to 20 carbon atoms. Further, E ₂₆ is, for example, hydrogen or an alkyl group having 1 to 20 carbon atoms, particularly an alkyl group having 1 to 4 carbon atoms.

Specific examples of the photoinitiator (E-1) having the structure represented by the formula (III) may include a photoinitiator having a structure represented by the following formula (III-1) to formula (III-86). .

The photoinitiator (E-1) is used in an amount of from 0.1 part by weight to 15 parts by weight, preferably from 1 part by weight to 12 parts by weight, based on 100 parts by weight of the alkali-soluble resin (C), and more preferably It is from 3 parts by weight to 10 parts by weight. When the photoinitiator (E-1) is used, the color filter formed of the photosensitive resin composition has a higher change rate of the thermal solvent film thickness.

The photoinitiator (E) according to the invention may further comprise other radical type photoinitiators (E-2).

The other radical type photoinitiator (E-2) may be selected from the group consisting of an acetophenone compound, a biimidazole compound, an acyl oxime compound, or a combination thereof.

The above acetophenone-based compound is selected from the group consisting of p-dimethylamino-acetophenone, α , α '-dimethoxy azo acetophenone (α, α'-dimethoxyazoxy-acetophenone). , 2,2'-dimethyl-2-phenyl-acetophenone, p-methoxy-acetophenone, 2- Methyl-1-(4-methylthiophenyl)-2-morpholino-1-propanone, 2- Benzyl-2-nitrogen, nitrogen-dimethylamine-1-(4-morpholinophenyl)-1-butanone [2-benzyl-2-N,N-di-methylamino-1-(4-morpholinophenyl) )-1-butanone].

The above diimidazole compound is selected from 2,2'-bis(o-chlorophenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis (o-chlorophenyl) )-4,4',5,5'-tetraphenyl-biimidazole], 2,2'-bis(o-fluorophenyl)-4,4,5,5'-tetraphenyldiimidazole [2,2' -bis(o-fluorophenyl)-4,4',5,5'-tetraphenyl-biimidazole], 2,2'-double (o-methylphenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis(o-methyl phenyl)-4,4',5,5'-tetraphenyl- Biimidazole], 2,2'-bis(o-methoxyphenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis(o-methoxyphenyl)-4,4 ',5,5'-tetraphenyl-biimidazole], 2,2'-bis(o-ethylphenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis ( O-ethylphenyl)-4,4',5,5'-tetraphenyl-biimidazole], 2,2'-bis(p-methoxyphenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis(p-methoxyphenyl)-4,4',5,5'-tetraphenyl-biimidazole], 2,2'-bis(2,2',4,4'-tetramethoxybenzene 4,4',5,5'-tetraphenyldiimide [2,2'-bis(2,2',4,4'-tetramethoxyphenyl)-4,4',5,5'-tetraphenyl -biimidazole], 2,2'-bis(2-chlorophenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis(2-chlorophenyl)-4,4' ,5,5'-tetraphenyl-biimidazole], 2,2'-bis(2,4-dichlorophenyl)-4,4',5,5'-tetraphenyldiimidazole [2,2'-bis (2,4-dichlorophenyl)-4,4',5,5'-tetraphenyl-biimidazole].

The above lanthanide compound is selected from the group consisting of ethane ketone, 1-[9-ethyl-6-(2-methylbenzylidenyl)-9hydro-oxazol-3- substituent]-, 1- (Ethanone, 1-[9-ethyl-6-(2-methylbenzoyl)-9H-carbazole-3-yl]-, 1-(O-acetyl oxime), for example, manufactured by Ciba Specialty Chemicals The product name is CGI-242, and its structure is as shown in the following formula (E-2-1)], 1-[4-(phenylthio)phenyl]-octane-1,2-dione 2-(O -1-[4-(benzoyl)phenyl]-heptane-1,2-dione 2-(O-benzoyloxime), for example, a product of the trade name CGI-124 manufactured by Ciba Specialty Chemicals, the structure of which As shown in the following formula (E-2-2), ethane ketone, 1-[9-ethyl-6-(2-chloro-4-benzyl-thio-benzhydryl)-9-hydrogen- Ethanone, 1-[9-ethyl-6-(2-cholro-4-benzyl-thio-benzoyl)-9H-carbazole-3 -yl]-, 1-(O-acetyl oxime), for example, manufactured by Asahi Kasei Co., Ltd., whose structure is as shown in the following formula (E-2-3):

Preferably, the other radical photoinitiator (E-2) is 2-methyl-1-(4-methylthiophenyl)-2-morpholino-1-propanone, 2-benzyl Base-2-nitrogen, nitrogen-dimethylamine-1-(4-morpholinophenyl)-1-butanone, 2,2'-bis(o-chlorophenyl)-4,4',5, 5'-tetraphenyldiimidazole, ethyl ketone, 1-[9-ethyl-6-(2-methylbenzylidenyl)-9hydro-oxazol-3-substituted group]-, 1-( Oxygen-acetamidine) or a combination of these.

The other radical type photoinitiator (E-2) of the present invention may further contain the following compounds: thioxanthone, 2,4-diethyl-thioxanthanone, Thioxanthone-4-sulfone, benzophenone, 4,4'-bis(dimethylamino)benzophenone a benzophenone compound such as 4,4'-bis(diethylamino)benzophenone; benzil or acetamidine (Acetyl), etc. α - dione (α-diketone) compound; benzoin-based compound (Benzoin) etc. ketol (acyloin); Benzoin methyl ether (benzoin methylether), benzoin ethyl ether (benzoin ethylether), benzoin isopropyl ether and other acyloin ether compounds; 2,4,6-trimethylphenylhydrazine diphenylphosphine oxide (2,4 ,6-trimethyl-benzoyl-diphenyl-phosphineoxide), bis-(2,6-dimethoxybenzoquinone)-2,4,4-trimethylphenylphosphine oxide [bis-(2,6-dimethoxy) -benzoyl)-2,4,4-trimethyl-benzyl-phosphineoxide] (acylphosphineoxide) compounds; quinone compounds such as anthraquinone, 1,4-naphthoquinone, etc.; phenacyl chloride, tribromomethylphenylhydrazine a halide such as tribromomethyl-phenylsulfone, tris(trichloromethyl)-s-triazine or the like; and di-tertbutylperoxide peroxide. Among them, a benzophenone-based compound is preferred, and 4,4'-bis(diethylamine)benzophenone is particularly preferred.

The above other radical type photoinitiators (E-2) may be used singly or in combination of plural kinds.

In a specific example of the present invention, the amount of the other radical-type photoinitiator (E-2) used is 9.9 parts by weight to 85 parts by weight based on 100 parts by weight of the alkali-soluble resin (C); It is preferably from 14 parts by weight to 78 parts by weight; more preferably from 17 parts by weight to 70 parts by weight.

The photoinitiator (E) is used in an amount of 10 parts by weight to 100 parts by weight based on 100 parts by weight of the alkali-soluble resin (C); preferably 15 parts by weight to 90 parts by weight; more preferably 20 parts by weight to 80 parts by weight.

The thermal acid generator (F) according to the present invention has a structure represented by the formula (I): R ^1f (SO ₃ R ^2f ) _a formula (I)

In the formula (I), R ^1f and R ^2f each independently represent an arbitrary substituent, and the substituent is not particularly limited, and examples thereof include a hydrocarbon group (alkyl group, alkenyl group, phenyl group, benzyl group, tolyl group, xylene group). And a perfluoroalkyl group, wherein R ^{2f is} preferably (C ₆ H ₅ )COCH(C ₆ H ₅ )O-; and a represents an integer of 1 or more; Preferably, it is an integer of 1 to 4; more preferably an integer of 1 to 2.

The thermal acid generator (F) having the structure represented by the formula (I) is preferably selected from the group consisting of an aromatic sulfonate, an aliphatic sulfonate and a perfluoroalkyl sulfonate.

In a specific example of the present invention, the aromatic sulfonate is methyl p-toluenesulfonate, ethyl p-toluenesulfonate, butyl p-toluenesulfonate, 1,2,3-tris (p- 1,2,3-tri(p-toluenesulfonyloxy)benzene, p-toluene sulfonic acid benzoin ester, methyl dodecylbenzenesulfonate, Ethyl dodecylbenzenesulfonate (for example, manufactured by King Industries, K-PURE TAG 2507), dimethyl naphthalene disulfonate, diethyl naphthalene disulfonate, methyl naphthalenesulfonate, naphthalene Ethyl sulfonate, methyl dinonylnaphthalenesulfonate, ethyl dinonylnaphthalenesulfonate (for example, manufactured by King Industries, K-PURE CXC1762), ethyl dinonylnaphthalene disulfonate (for example) The product shown by King Industries Co., Ltd., model K-PURE CXC1764) or the structure shown by the following formula (I-1) to formula (I-3).

Where m represents an integer from 1 to 3

In a specific example of the present invention, the aforementioned aliphatic sulfonate is methane sulfonate. Methyl ester, ethyl methanesulfonate, butyl methanesulfonate, 1,2,3-tri(methanesulfonyloxy)benzene, phenyl methanesulfonate , methane sulfonic acid benzoin ester (methane sulfonic acid benzoin ester).

In a specific example of the present invention, the above perfluoroalkyl sulfonate is methyl trifluoromethanesulfonate, ethyl trifluoromethanesulfonate, butyl trifluoromethanesulfonate, 1,2,3-(three Trifluoromethanesulfonyl benzene, trifluoromethanesulfonic acid benzoin ester, and the like.

The above sulfonic acid esters may be used singly or in combination of two or more.

The thermal acid generator (F) is used in an amount ranging from 0.1 part by weight to 10 parts by weight, based on the amount of the alkali-soluble resin (C), preferably from 0.6 part by weight to 8 parts by weight; more preferably from 0.6 part by weight to 8 parts by weight; more preferably It is from 1 part by weight to 6 parts by weight. When the thermal acid generator (F) is not used, the color filter formed of the photosensitive resin composition has a problem that the rate of change in the thickness of the thermal solvent film is not good. When the thermal acid generator (F) of the aromatic sulfonate is used, the color filter formed of the photosensitive resin composition has a higher change rate of the thermal solvent film thickness.

In the preparation of the photosensitive resin composition of the present invention, usually, each component other than the pigment (A) is dissolved in a solvent (G) to prepare a liquid composition, and then the pigment (A) is uniformly mixed. The solvent (G) is selected from a soluble dye (B), an alkali-soluble resin (C), a compound having an ethylenically unsaturated group (D), a photoinitiator (E), and a thermal acid generator (F). Do not react with these components and have appropriate volatility.

The solvent (G) is used in an amount of 500 parts by weight to 5000 parts by weight, based on the amount of the alkali-soluble resin (C) used, preferably from 800 parts by weight to 4,500 parts by weight; more preferably 1,000 parts by weight. Up to 4000 parts by weight.

Further, the solvent (G) may be the same as the solvent used to prepare the alkali-soluble resin (C), and will not be described herein. Preferably, the solvent (G) is selected from the group consisting of propylene glycol methyl ether acetate, cyclohexanone or ethyl 3-ethoxypropionate.

In a preferred embodiment of the present invention, the photosensitive resin composition further includes an additive (H) such as a filler, a polymer compound other than the alkali-soluble resin (C), an adhesion promoter, an antioxidant, and ultraviolet absorption. Agent, anti-aggregation agent, etc.

The additive (H) may be used singly or in combination, and the additive (H) includes, but is not limited to, a filler such as glass or aluminum; an alkali-soluble resin such as polyvinyl alcohol, polyethylene glycol monoalkyl ether or polyfluoroalkyl acrylate. Polymer compound other than (C); vinyl trimethoxy decane, vinyl triethoxy decane, vinyl tris(2-methoxyethoxy) decane, nitrogen-(2-aminoethyl)-3 -Aminopropylmethyldimethoxydecane, nitrogen-(2-aminoethyl)-3-aminopropyltrimethoxydecane, 3-aminopropyltriethoxydecane, 3-ring Oxypropanol propyl trimethoxy decane, 3-glycidyl propyl methyl dimethoxy decane, 2-(3,4-epoxycyclohexyl)ethyltrimethoxy decane, 3-chloropropyl a adhesion promoter such as methyl dimethoxy decane, 3-chloropropyl trimethoxy decane, 3-methyl propylene oxypropyl trimethoxy decane, 3-thiol propyl trimethoxy decane; , an antioxidant such as 2-thiobis(4-methyl-6-tert-butylphenol) or 2,6-di-tert-butylphenol; 2-(3-tert-butyl-5-methyl Ultraviolet absorbers such as 2-hydroxyphenyl)-5-chlorophenyl azide and alkoxyphenone; and sodium polyacrylate Anti-agglomerating agent.

The additive (H) is used in an amount of from 0.1 part by weight to 10 parts by weight, based on the amount of the alkali-soluble resin (C), preferably from 0.3 part by weight to 7 parts by weight; more preferably 0.5 part by weight. Up to 4 parts by weight.

The present invention also provides a method of producing a color filter using the above-described photosensitive resin composition for a color filter to form a pixel layer on a substrate.

The present invention further provides a color filter which is produced by the aforementioned method.

The method for producing a color filter of the present invention is mainly a method of mixing into a solution state by a coating method such as rotary coating, cast coating, ink-jet coating or roll coating. The color filter is coated on the substrate with a photosensitive composition. After coating, remove most of the solvent by drying under reduced pressure, and then pre-bake. The solvent is removed to form a prebaked coating film. The conditions for drying under reduced pressure and pre-baking vary depending on the type of each component and the blending ratio. Usually, the drying under reduced pressure is carried out at a pressure of 0 to 200 mmHg for 1 second to 60 seconds, and the pre-baking is It is carried out at a temperature of 70 to 110 ° C for 1 minute to 15 minutes. After prebaking, the prebaked coating film is exposed to a designated mask, immersed in a developing solution at a temperature of 23 ± 2 ° C for 15 seconds to 5 minutes for development, and the unnecessary portion is removed to form a pattern. The light used for exposure is preferably ultraviolet rays such as g-line, h-line, and i-line, and the ultraviolet device may be a (super) high-pressure mercury lamp or a metal halide lamp.

Specific examples of the substrate include: alkali-free glass, soda-lime glass, hard glass (Pyrus glass), quartz glass, soda glass, and a transparent conductive film attached to the glass for use in a liquid crystal display device; or A photoelectric conversion device substrate (such as a germanium substrate) of a solid-state imaging device or the like. These substrates generally form a black matrix that separates the colored layers of each pixel.

Further, specific examples of the developer include: sodium hydroxide, potassium hydroxide, sodium carbonate, sodium hydrogencarbonate, potassium carbonate, potassium hydrogencarbonate, sodium citrate, sodium methyl citrate, ammonia, ethylamine, diethylamine, Dimethylethanolamine, tetramethylammonium hydroxide, tetraethylammonium hydroxide, choline, pyrrole, acridine, 1,8-diazabicyclo-(5,4,0)-7-undecene The alkaline aqueous solution of the compound is generally present in a concentration of from 0.001 to 10% by weight, preferably from 0.005 to 5% by weight, more preferably from 0.01 to 1% by weight.

When the developer composed of the alkaline aqueous solution is used, it is usually washed with water after development, and then air-dried with compressed air or compressed nitrogen.

After drying, the substrate having the photo-curing coating layer is heated by a heating means such as a hot plate or an oven at a temperature of 100 to 280 ° C for 1 to 15 minutes to remove volatile components in the coating film, and the coating film is not The reacted ethylenically unsaturated double bond undergoes a thermosetting reaction. A photosensitive resin composition of each color (mainly including red, green, and blue colors) is repeatedly operated in the same step three times on a predetermined pixel to obtain a pixel coloring layer of three colors of red, green, and blue.

Next, on the pixel colored layer, an ITO (indium tin oxide) deposited film is formed under vacuum at a temperature of 220 ° C to 250 ° C, and if necessary, after etching and wiring the ITO deposited film, the liquid crystal alignment film is coated. The quinone imine, which is then fired, can be used as a color filter for liquid crystal displays.

Further, the liquid crystal alignment film used as described above is used to restrict the alignment of liquid crystal molecules, and is not particularly limited herein, and any of an inorganic substance or an organic substance may be used. The technique for forming a liquid crystal alignment film is well known to those of ordinary skill in the art to which the present invention pertains, and is not the focus of the present invention, and therefore will not be further described.

It is still another object of the present invention to provide a liquid crystal display element comprising the aforementioned color filter.

The liquid crystal display device of the present invention is mainly composed of a color filter substrate formed by the above-described color filter forming method and a driving substrate provided with a thin film transistor (TFT), wherein The inter-substrate gap (cell gap) is arranged in the opposite direction, and the peripheral portions of the two substrates are bonded together with a sealing agent, and the liquid crystal is filled in the gap between the surface of the substrate and the sealing agent to seal the injection. The holes constitute a liquid crystal cell. Then, a polarizing plate is bonded to the outer surface of the liquid crystal cell, that is, the other side surface of each of the substrates constituting the liquid crystal cell, to obtain a liquid crystal display element.

The liquid crystal used in the above, that is, the liquid crystal compound or the liquid crystal composition is not particularly limited herein, and any liquid crystal compound and liquid crystal composition can be used.

The invention is illustrated by the following examples, which are not intended to be limited to the scope of the invention.

<Synthesis Example>

Preparation of first alkali soluble resin (C)

Synthesis Example C-1-1

100 parts by weight of an antimony epoxy compound (Model ESF-300, manufactured by Nippon Steel Chemical Co., Ltd.; epoxy equivalent 231), 30 parts by weight of acrylic acid, 0.3 parts by weight of benzyltriethylammonium chloride, 0.1 part by weight 2,6-di-t-butyl-p-cresol and 130 parts by weight of propylene glycol methyl ether acetate were continuously added to a 500-mL four-necked flask, and the feed rate was controlled at 25 parts by weight/min, and the temperature was maintained at 100 ° C. After reacting for 15 hours in the range of 110 ° C, a pale yellow transparent mixture having a solid concentration of 50% by weight was obtained.

Next, 100 parts by weight of the above mixture was dissolved in 25 parts by weight of ethylene glycol ethyl ether acetate, while 6 parts by weight of tetrahydrophthalic anhydride and 13 parts by weight of benzophenone tetracarboxylic dianhydride were added. And heating to 110 ° C to 115 ° C, after reacting for 2 hours, a first alkali-soluble resin (C-1-1) having an acid value of 98.0 mgKOH/g and a number average molecular weight of 1,623 was obtained.

Synthesis Example C-1-2

100 parts by weight of an antimony epoxy compound (Model ESF-300, manufactured by Nippon Steel Chemical Co., Ltd.; epoxy equivalent 231), 30 parts by weight of acrylic acid, 0.3 parts by weight of benzyltriethylammonium chloride, 0.1 part by weight 2,6-di-t-butyl-p-cresol and 130 parts by weight of propylene glycol methyl ether acetate were continuously added to a 500-mL four-necked flask, and the feed rate was controlled at 25 parts by weight/min, and the temperature was maintained at 100 ° C. After reacting for 15 hours in the range of 110 ° C, a pale yellow transparent mixture having a solid concentration of 50% by weight was obtained.

Next, 100 parts by weight of the above mixture was dissolved in 25 parts by weight of ethylene glycol ethyl ether acetate, while 13 parts by weight of benzophenone tetracarboxylic dianhydride was added, and the reaction was carried out at 90 ° C to 95 ° C for 2 hours. Next, 6 parts by weight of tetrahydrophthalic anhydride is added and reacted at 90 ° C to 95 ° C for 4 hours to obtain a first alkali-soluble resin having an acid value of 99.0 mgKOH/g and a number average molecular weight of 2,162. (C-1-2).

Synthesis Example C-1-3

400 parts by weight of an epoxy compound (Model NC-3000, manufactured by Nippon Kayaku Co., Ltd.; epoxy equivalent 288), 102 parts by weight of acrylic acid, and 0.3 parts by weight of methoxyphenol (methoxyphenol), 5 parts by weight of triphenylphosphine and 264 parts by weight of propylene glycol methyl ether acetate were placed in a reaction flask, and the temperature was maintained at 95 ° C. After 9 hours of reaction, an acid value of 2.2 mgKOH/g was obtained. Intermediate product. Next, 151 parts by weight of tetrahydrophthalic anhydride was added and reacted at 95 ° C for 4 hours to obtain a first alkali-soluble resin having an acid value of 102 mgKOH/g and a number average molecular weight of 2,589 ( C-1-3).

Synthesis Example C-1-4

200 parts by weight of an epoxy compound (Model NC-3000, manufactured by Nippon Kayaku Co., Ltd.; epoxy equivalent 288), 60 parts by weight of acrylic acid, 0.15 parts by weight of methoxyphenol, and 2.5 parts by weight Triphenylphosphine and 200 parts by weight of propylene glycol methyl ether acetate were placed in a reaction flask, and the temperature was maintained at 95 ° C. After 9 hours of reaction, an intermediate product having an acid value of 2.5 mg KOH / g was obtained. Next, 85 parts by weight of tetrahydrophthalic anhydride was added and reacted at 95 ° C for 4 hours to obtain a first alkali-soluble resin having an acid value of 105 mgKOH/g and a number average molecular weight of 3,410 ( C-1-4).

Preparation of a second alkali soluble resin (C-2)

Synthesis Example C-2-1

A stirrer, thermometer, condenser, and nitrogen inlet were placed on a four-necked flask and nitrogen was introduced. Then, 100 parts by weight of propylene glycol methyl ether acetate (abbreviated as PGMEA) was added, and the temperature was raised to 100 °C. Next, 25 parts by weight of 2-methylpropenyl ethoxy succinate (abbreviated as HOMS), 70 parts by weight of 2-hydroxyethyl methacrylate (abbreviated as HEMA), and 15 parts by weight of methyl group 3,4-epoxycyclohexylmethyl acrylate (ECMMA), 10 parts by weight of o-vinylbenzyl glycidyl ether (abbreviated as VBGE), and 4.5 parts by weight of 2,2'-azobis- 2-methylbutyronitrile (abbreviated as AMBN) was dissolved in 100 parts by weight of propylene glycol methyl ether acetate, and the mixed solution was dropwise added to the above four-necked flask in 2 hours. After reacting at 100 ° C for 6.5 hours, 5 parts by weight of acrylic acid (abbreviated as AA) Add to a four-necked flask filled with nitrogen and raise the temperature to 110 °C. After reacting for 6 hours, a second alkali-soluble resin of Synthesis Example C-2-1 was obtained.

Production method of Synthesis Example C-2-2 to C-2-6

Synthesis Examples C-2-2 to C-2-6 The second alkali-soluble resin (C-2) was prepared in the same manner as in Synthesis Example C-2-1 except that the reaction temperature and the polymerization time were changed. The types and amounts of ingredients are detailed in Table 1.

<Example>

Preparation of photosensitive resin composition

Example 1

100 parts by weight of the second alkali-soluble resin (C-2-1) obtained in the above Synthesis Example, 50 parts by weight of CI Pigment Red 254 (hereinafter abbreviated as A-1), and 10 parts by weight of CI Solvent Red 24 (hereinafter referred to as B-1), 30 parts by weight of dipentaerythritol hexaacrylate (hereinafter referred to as D-2), 50 parts by weight of 1-[4-(phenylthio)phenyl]-octane-1,2-dione 2-(O-benzoinhydrazide) (hereinafter referred to as E-2-1), 5 parts by weight of 2,2'-bis(2,4-dichlorophenyl)-4,4',5,5' -tetraphenyldiimidazole (hereinafter referred to as E-2-2), 0.9 parts by weight of ethyl methanesulfonate (F-1), and 1500 parts by weight of ethyl 3-ethoxypropionate (hereinafter referred to as G-) After the first step, the photosensitive resin composition was prepared by dissolving and mixing with a stirring stirrer. The photosensitive resin composition was evaluated by the following measurement evaluation methods, and the results are shown in Table 2.

Examples 2 to 14 and Comparative Examples 1 to 6

In Examples 2 to 14 and Comparative Examples 1 to 6, the same production method as that of the photosensitive resin composition of Example 1 was used, except that Examples 2 to 14 and Comparative Examples 1 to 6 were used to change the photosensitivity. The type and amount of the raw materials in the resin composition, and the formulations and evaluation results thereof are shown in Table 2, and are not described here.

A-1 C.I. Pigment Red 254

A-2 C.I. Pigment Green 36

A-3 C.I. Pigment Blue 15:6

A-4 C.I. Pigment Blue 66

A-5 C.I. Pigment Red 177

B-1 C.I. Solvent Red 24

B-2 C.I. Solvent Red 49

B-3 C.I. Acid Red 289

D-1 EO modified trimethylolpropyl methacrylate

D-2 dipentaerythritol hexaacrylate

D-3 caprolactone modified dipentaerythritol hexaacrylate

E-1-1 a compound of the formula (III-1)

E-1-2 A compound of the formula (III-8)

E-1-3 A compound of the formula (III-27)

E-2-1 1-[4-(phenylthio)phenyl]-octane-1,2-dione 2-(O-phenylhydrazinium)

E-2-2 2,2'-bis(2,4-dichlorophenyl)-4,4',5,5'-tetraphenyldiimidazole

2,2'-bis(2,4-dichloro phenyl)-4,4',5,5'-tetraphenyl-biimidazole

E-2-3 4,4'-bis(diethylamine)benzophenone 4,4'-bis(diethylamino)benzophenone

E-2-4 2-benzyl-2-nitrogen, nitrogen-dimethylamine-1-(4-morpholinophenyl)-1-butanone

2-benzyl-2-N,N-dimethylamino-1-(4-morpholinophenyl)-1-butanone

F-1 ethyl methanesulfonate

F-2 methyl trifluoromethanesulfonate

F-3 ethyl dinonylnaphthalenesulfonate

(for example, manufactured by King Industries, model K-PURE CXC1762)

Ethyl dodecylbenzenesulfonate

F-4 (for example, manufactured by King Industries, model K-PURE TAG 2507)

G-1 3-ethoxypropionate ethyl ester

G-2 propylene glycol methyl ether ester

G-3 cyclohexanone

H-1 3-thiolpropyltrimethoxydecane

H-2 2,2-thiobis(4-methyl-6-tert-butylphenol)

H-3 2-hydroxy-4-methoxybenzophenone

<Evaluation method>

Thermal solvent film thickness change rate

The photosensitive resin compositions obtained in Examples 1 to 14 and Comparative Examples 1 to 6 were applied by spin coating to a glass substrate having a size of 100 mm × 100 mm. Then, it was dried under reduced pressure at a pressure of 100 mmHg for 30 seconds. Next, a pre-bake process was carried out at a temperature of 80 ° C for 2 minutes to form a pre-baked film having a film thickness of 2.5 μm. After the prebaking process, the prebaked coating film was irradiated with ultraviolet light (exposure machine Canon PLA-501F) having an energy of 60 mJ/cm ² , and the exposed prebaked coating film was immersed in a developing solution at 23 ° C. After 1 minute, the coating film was washed with pure water and subjected to a post-baking process at 230 °C. After the post-baking treatment, the thickness (T _i ) of the coating film was measured. Thereafter, the coating film was immersed in a propylene glycol methyl ether ester solvent at 60 °C. After 6 minutes, the thickness (T _f ) of the coating film was measured, and the rate of change in film thickness was calculated by the following formula and evaluated according to the following criteria:

◎: The film thickness change rate was <1%.

○: 1% ≦ film thickness change rate <3%.

△: 3% ≦ film thickness change rate <5%.

×: 5% film thickness change rate.

The above-described embodiments are merely illustrative of the principles and effects of the invention, and are not intended to limit the invention. Modifications and variations of the embodiments described above will be apparent to those skilled in the art without departing from the spirit of the invention. The scope of the invention should be as set forth in the appended claims.

Claims (13)

A photosensitive resin composition comprising: a pigment (A); a dye (B); an alkali-soluble resin (C); a compound (D) having an ethylenically unsaturated group; a photoinitiator (E); I) thermal acid generator (F) of the structure shown; and solvent (G); R ^1f (SO ₃ R ^2f ) _a Formula (I) In the formula (I), R ^1f and R ^2f each independently represent any a substituent; and a represents an integer of 1 or more. The photosensitive resin composition according to claim 1, wherein the alkali-soluble resin (C) comprises a first alkali-soluble resin (C-1), and the first alkali-soluble resin (C-1) is polymerized by a mixture And the mixture comprises an epoxy compound (c-1-1) having at least two epoxy groups and a compound having at least one carboxylic acid group and at least one ethylenically unsaturated group (c-1- 2). The photosensitive resin composition of claim 2, wherein the epoxy compound (c-1-1) having at least two epoxy groups has a structure represented by formula (II-1) or formula (II-2) ; In the formula (II-1), R ^1c , R ^2c , R ^3c and R ^4c are the same or different and each represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 5 carbon atoms, and a carbon number of 1 to 5. An alkoxy group, an aromatic group having 6 to 12 carbon atoms or an aralkyl group having 6 to 12 carbon atoms; In the formula (II-2), R ^5c to R ^18c each independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms or an aromatic group having 6 to 15 carbon atoms; and g represents 0 to 10 Integer. The photosensitive resin composition according to claim 1, wherein the photoinitiator (E) comprises a photoinitiator (E-1) having a structure represented by the formula (III): In the formula (III), E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, , COE ₁₆ , OE ₁₇ , halogen atom, NO ₂ or ; Or E ₁ and E _2, E _2, and E _3, E ₃ and E _4, E ₅ and E _6, E ₆ or E ₇ and E ₇ and E ₈ each independently represent by Alternate carbon number is 2 to 10 alkenyl; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are respectively independent Commonly represented by -(CH ₂ ) _p -W-(CH ₂ ) _q -; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are independently represented Wherein at least one of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent a hydrogen atom and an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or at least one group as shown below. Substituted, and the at least one group is selected from the group consisting of a phenyl group, a halogen atom, CN, OH, SH, an alkoxy group having a carbon number of 1 to 4, (CO)OH or (CO)O(R ₁ ), wherein R ₁ represents an alkyl group having 1 to 4 carbon atoms; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ each independently represent an unsubstituted phenyl group or a phenyl group substituted with at least one group as shown below, The at least one group is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, CN, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ are independently represented a halogen atom, CN, OE ₁₇ , SE ₁₈ , SOE ₁₈ , SO ₂ E ₁₈ or NE ₁₉ E ₂₀ , wherein the substituents OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ are not or via such groups E ₁₇ , E ₁₈ , E ₁₉ and/or E ₂₀ form a five-membered or six-membered ring with one carbon atom of the naphthalene ring; or E ₉ , E ₁₀ , E ₁₁ and E ₁₂ respectively represent independently , COE ₁₆ or NO ₂ ; W represents O, S, NE ₂₆ or a single bond, p represents an integer from 0 to 3, q represents an integer from 1 to 3, Z ₁ represents CO or a single bond; and E ₁₃ represents a carbon number of 1. The alkyl group having a carbon number of from 1 to 20 is unsubstituted or substituted with at least one group as shown below, wherein the at least one group is selected from a halogen atom, E ₁₇ , COOE ₁₇ , OE ₁₇ , SE ₁₈ , CONE ₁₉ E ₂₀ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ or Or E ₁₃ represents an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms is interspersed with one or more of O, S, SO, SO ₂ , NE ₂₆ or CO; or E ₁₃ represents carbon The number of alkenyl groups of 2 to 12, the alkenyl group having 2 to 12 carbon atoms which is undoped or inter-hetero-doped with one or more O, CO or NE ₂₆ , wherein the inter- and hetero-carbon number is 2 to 20 And the alkenyl group having 2 to 12 carbon atoms without undoped or intervening is unsubstituted or substituted with at least one halogen atom; or E ₁₃ represents a cycloalkenyl group having 4 to 8 carbon atoms and having a carbon number of 2 An alkynyl group of 12, or a cycloalkyl group having 3 or 10 carbon atoms without an inter or hetero or hetero or O, S, CO or NE ₂₆ ; or E ₁₃ representing a phenyl or naphthyl group, and the phenyl group Or the naphthyl group is unsubstituted or substituted with at least one group as shown below, wherein the at least one group is selected from the group consisting of OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , , COE ₁₆ , CN, NO ₂ , a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, intermixed with one or more O, S, CO or NE ₂₆ and having a carbon number of 2 An alkyl group of up to 20; or the phenyl group or the naphthyl group is each substituted with a cycloalkyl group having a carbon number of 3 to 10 or each interstitial having one or more O, S, CO or NE ₂₆ and having a carbon number of 3 to 10 Cycloalkyl substituted; k represents an integer from 1 to 10; E ₁₄ represents a hydrogen atom, a cycloalkyl group having 3 to 8 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, and an alkoxy group having 1 to 20 carbon atoms. An alkyl group having 1 to 20 carbon atoms which is substituted with or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, a phenyl group, and an alkyl group having 1 to 20 carbon atoms. Phenylphenyl or CN; or E ₁₄ represents phenyl or naphthyl, each unsubstituted or substituted by at least one group as shown below, and the at least one group is selected from the group consisting of a C 1 to 6 alkane a halogenated alkyl group having 1 to 4 carbon atoms, a halogen atom, CN, OE ₁₇ , SE ₁₈ and/or NE ₁₉ E ₂₀ ; or E ₁₄ representing a heteroaryl group having 3 to 20 carbon atoms and having a carbon number of 1 to Alkoxy, benzyloxy or phenoxy group, the benzyloxy group and the phenoxy group are not taken Or the group substituted with at least one of the following, and the at least one group selected from an alkyl group having a carbon number of 1 to 6 carbon atoms, a haloalkyl group of 1 to 4 and / or a halogen atom; E ₁₅ represents a carbon An aryl group having 6 to 20 or a heteroaryl group having 3 to 20 carbon atoms, each of which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a phenyl group and a halogen group. Atom, haloalkyl having 1 to 4 carbon atoms, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , bonded to SO and having a carbon number of 1 to 10 An alkyl group, an alkyl group bonded to SO ₂ and having a carbon number of 1 to 10, an intervening one or more O, S or NE ₂₆ and an alkyl group having 2 to 20 carbon atoms; or each carbon number thereof is 1 An alkyl group substituted to 20, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , phenyl, cycloalkyl having 3 to 8 carbon atoms, heteroaryl having 3 to 20 carbon atoms, aryloxycarbonyl having 6 to 20 carbon atoms, heteroaryl having 3 to 20 carbon atoms Oxycarbonyl, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents a hydrogen atom, carbon An alkenyl group having 2 to 12 alkenyl groups, having no or hetero or one or more O, CO or NE ₂₆ and having a carbon number of 3 to 8; or E ₁₅ representing an alkyl group having 1 to 20 carbon atoms; The alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, OE ₁₇ , SE ₁₈ , and a carbon number of 3 to 8. a cycloalkyl group, a heteroaryl group having 3 to 20 carbon atoms, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 3 to 20 carbon atoms, NE ₁₉ E ₂₀ , COOE ₁₇ , CONE ₁₉ E ₂₀ , PO(OC _k H _2k+1 ) ₂ , , a phenyl group, wherein the alkyl group having 1 to 20 carbon atoms is substituted with a phenyl group, and the phenyl group is a halogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE18 or NE ₁₉ E ₂₀ substituted; or E ₁₅ represents an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms is one or more O, SO or SO ₂ The alkyl group having a carbon number of 2 to 20 is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, OE ₁₇ , COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group or a phenyl group substituted with OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents an alkanoyl group or a benzamidine group having a carbon number of 2 to 20, which is unsubstituted or as shown below Substituting at least one group, and the at least one group is selected from an alkyl group having 1 to 6 carbon atoms, a halogen atom, a phenyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents unsubstituted or a naphthylmethyl group substituted with at least one OE ₁₇ or a heteroarylcarbonyl group having a carbon number of 3 to 14; or E ₁₅ representing an alkoxycarbonyl group having a carbon number of 2 to 12, the carbon number of 2 to 12 The oxycarbonyl group is unintercalated or at least one miscellaneous Wherein the alkoxycarbonyl group which is inter- or hetero-doped and has a carbon number of 2 to 12 is unsubstituted or substituted with at least one hydroxyl group; or E ₁₅ represents a phenoxycarbonyl group which is unsubstituted Or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, a phenyl group, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₅ represents CN, CONE ₁₉ E ₂₀ , NO ₂ , haloalkyl having a carbon number of 1 to 4, S(O) _r -R ₂ , bonded to S(O) _r a phenyl group, wherein the phenyl group bonded to S(O) _r is unsubstituted or substituted with an alkyl group having 1 to 12 carbon atoms or SO ₂ -R ₂ , and R ₂ represents a carbon number of 1 to 6 alkyl; or E ₁₅ represents a phenyl group bonded to the SO ₂ O, diphenylphosphino acyl or di (R ₃₎ - phosphino acyl, SO ₂ O wherein the bond with the phenyl unsubstituted or lines Substituted by an alkyl group having 1 to 12 carbon atoms, and R ₃ represents an alkoxy group having 1 to 4 carbon atoms; r represents an integer of 1 to 2; and E' ₁₄ represents one of the definitions for E ₁₄ ; E _'15 represents a ₁₅ for one of those defined in E; Z ₂ representative of O, S, SO, or SO _2; Z ₃ Table O, CO, S or a single bond; E ₁₆ represents a carbon atoms or an aryl group of 6 to 20 carbon atoms of the 3 to 20 hetero aryl group, each of which is unsubstituted or is at least as shown by a substituted And the at least one group is selected from the group consisting of a phenyl group, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, CN, NO ₂ , OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , one or more O, S Or NE ₂₆ and an alkyl group having 1 to 20 carbon atoms, or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or at least one group as shown below And wherein the at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, a cycloalkyl group having a carbon number of 3 to 8, a heteroaryl group having a carbon number of 3 to 20, and a carbon number of An aryloxycarbonyl group of 6 to 20, a heteroaryloxycarbonyl group having 3 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₆ representing a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; Wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a halogen atom, a phenyl group, an OH group, a SH group, a CN group, and a carbon number. 3 to 6 alkenyloxy, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO O(R ₁ ), O(CO)-(R ₁ ), O(CO)-phenyl or (CO)OH or (CO)O(R ₁ ); or E ₁₆ represents a carbon number of 2 to 12 An alkyl group having 2 to 12 alkyl interstitials having one or more O, S or NE ₂₆ ; or E ₁₆ representing (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO) -(R ₄ ), an alkenyl group having 2 to 12 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms, wherein R ₄ represents an alkyl group having 1 to 8 carbon atoms; or E ₁₆ represents a substitution with SE ₁₈ a phenyl group, wherein E ₁₈ represents a single bond to the phenyl group or the naphthyl ring to which the carbazole moiety is attached to the COE ₁₆ ; n represents an integer from 1 to 20; and E ₁₇ represents a hydrogen atom, benzene group -R _5, an alkyl group having a carbon number of 1 to 20, which system the at least one substituent group is unsubstituted or illustrated by the following, and the at least one group selected from a halogen atom, OH, SH, CN, Alkenyloxy group having 3 to 6 carbon atoms, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ), O(CO)-(R ₆ ), a phenyl group bonded to O(CO), (CO)OH, (CO)O(R ₁ ), a cycloalkyl group having a carbon number of 3 to 20, SO ₂ -(R ₇ ), O(R ₇ ) or interrupted by O and at least one cycloalkyl group having a carbon number of 3 to 20, wherein R ₆ represents an alkenyl group having a carbon number of 2-4, and R ₇ represents from 1 to 4 carbon atoms Haloalkyl; or E ₁₇ represents a carbon atoms of an alkyl group of 2 to 20, carbon atoms and the alkyl group of 2 to 20 based interrupted by one or more O, S or NE _26; E _17, or on behalf of (CH ₂ CH ₂ O) _n+1 H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), an alkanoyl group having a carbon number of 1 to 8, an alkenyl group having 2 to 12 carbon atoms, and a carbon number of 3 to An olefinic group of 6 or a cycloalkyl group having 3 to 20 carbon atoms which is undoped or inter-hetero-doped with one or more O, S, CO or NE ₂₆ ; or E ₁₇ represents an alkyl group having 1 to 8 carbon atoms a group formed by bonding a cycloalkyl group having a carbon number of 3 to 10, and the group is unintermixed or at least one impurity; or E ₁₇ represents a benzamidine group, and the benzamidine group is not Substituted or substituted with at least one group as shown below, and the at least one group is selected from an alkyl group having 1 to 6 carbon atoms, a halogen atom, OH or an alkoxy group having 1 to 3 carbon atoms; or E ₁₇ represents a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, OH, An alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, CN, NO ₂ , phenyl-R ₈ , phenoxy group, and carbon number 1 to 12 alkylthio, phenylthio, N(R ₉ ) ₂ , diphenyl-amine or Wherein R ₈ represents an alkoxy group having a carbon number of 1 to 3, and R ₉ represents an alkyl group having a carbon number of 1 to 12; or E ₁₇ and has or One of the carbon atoms of the phenyl or naphthyl ring forms a single bond; E ₁₈ represents a hydrogen atom, an alkenyl group having 2 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms or a phenyl-R ₅ group, wherein The alkenyl group having 2 to 12 carbon atoms, the cycloalkyl group having 3 to 20 carbon atoms, and the phenyl-R ₅ group having no or hetero or one or more O, S, CO, NE ₂₆ or COOE ₁₇ Or E ₁₈ represents an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group of the formula: wherein the at least one group is selected from OH , SH, CN, alkoxy groups having a carbon number of 3 to 6, OCH ₂ CH ₂ CN, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₆ ), O(CO)- (R ₁ ), O(CO)-phenyl or (CO)OE ₁₇ ; or E ₁₈ represents an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms has one or more O , S, CO, NE ₂₆ or COOE ₁₇ ; or E ₁₈ represents (CH ₂ CH ₂ O) _n H, (CH ₂ CH ₂ O) _n (CO)-(R ₄ ), alkane having 2 to 8 carbon atoms a mercapto group or an olefin group having a carbon number of 3 to 6; or E ₁₈ represents a benzamidine group which is unsubstituted or substituted with at least one group as shown below, and the at least one group Is selected from a carbon number of 1 to 6 a group, a halogen atom, an OH group, an alkoxy group having 1 to 4 carbon atoms or an alkylthio group having 1 to 4 carbon atoms; or E ₁₈ represents a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20 Each of which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, an alkyl group having 1 to 12 carbon atoms, and a halogenated alkyl group having 1 to 4 carbon atoms. Alkoxy group having a carbon number of 1 to 12, CN, NO ₂ , phenyl-R ₈ , phenoxy group, alkylthio group having 1 to 12 carbon atoms, phenylthio group, N(R ₉ ) ₂ , diphenylamino, (CO)O(R ₄ ), (CO)-R ₄ , (CO)N(R ₄ ) ₂ or E ₁₉ and E ₂₀ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a hydroxyalkyl group having 2 to 4 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, and a carbon number of 2 Alkenyl group to 5, cycloalkyl group having 3 to 20 carbon atoms, phenyl-R ₅ , alkanoyl group having 1 to 8 carbon atoms, alkyl alkoxy group having 1 to 8 carbon atoms, carbon number 3 to 12 olefinic groups, SO ₂ -R ₇ or benzamidine groups; or E ₁₉ and E ₂₀ represent a phenyl group, a naphthyl group or a heteroaryl group having a carbon number of 3 to 20, each of which is unsubstituted or Substituting at least one group as shown below, and the at least one group is selected from the group consisting of a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, and a carbon number of 1 to 12 An alkyl group, a benzamidine group or an alkoxy group having a carbon number of 1 to 12; or an E ₁₉ and E ₂₀ group together with a bonded nitrogen atom to form a five-membered member having no inter or heterogeneous O, S or NE ₁₇ Or a six-membered saturated or unsaturated ring, and the five or six member saturated or unsaturated ring system is unsubstituted or substituted with at least one group as shown below, wherein the at least one group is selected from the group consisting of 1 carbon number to an alkyl group having a carbon number of 20 is alkyl group of 1 to _{20, = O, OE 17, SE} 18, NE 21 E 22 _{(CO) E 23, NO 2} , a halogen atom, a haloalkyl group having a carbon number of 1 to 4, CN, phenyl, Or a cycloalkyl group having one or more O, S, CO or NE ₁₇ and having a carbon number of 3 to 20 without interstitial or heterogeneous; or E ₁₉ and E ₂₀ together with the attached nitrogen atom to form a heteroaromatic a ring system, the heteroaromatic ring system being unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms and having a carbon number of 1 to 4 Haloalkyl, alkoxy with 1 to 20 carbon atoms, =0, OE ₁₇ , SE ₁₈ , NE ₂₁ E ₂₂ , (CO) E ₂₃ , a halogen atom, NO ₂ , CN, phenyl, or a cycloalkyl group having one or more O, S, CO or NE ₁₇ and having a carbon number of 3 to 20 without interstitial or heterogeneous; E ₂₁ and E ₂₂ are independently a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms or a phenyl group; and a nitrogen atom to which E ₂₁ and E _{22 are} bonded thereto Forming a five- or six-membered saturated or unsaturated ring having no or interstitial or O, S or NE ₂₆ , wherein the five or six member saturated or unsaturated ring system is not fused or fused to the benzene ring; ₂₃ represents a hydrogen atom, OH, an alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having at least one O, CO or NE ₂₆ and having a carbon number of 2 to 20, which is not a cycloalkyl group having an O, S, CO or NE ₂₆ and having a carbon number of 3 to 20; or E ₂₃ representing a phenyl group, a naphthyl group, a phenyl-R ₁ , OE ₁₇ , SE ₁₈ or NE ₂₁ E ₂₂ E ₂₄ stands for (CO) OE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E ₁₇ or has one of the definitions for E ₁₉ and E ₂₀ ; E ₂₅ stands for COOE ₁₇ , CONE ₁₉ E ₂₀ , (CO) E ₁₇ ; or E ₂₅ has one of the definitions for E ₁₇ ; E ₂₆ represents a hydrogen atom An alkyl group having 1 to 20 carbon atoms, a halogenated alkyl group having 1 to 4 carbon atoms, an alkyl group having at least one O or CO and having a carbon number of 2 to 20; or E ₂₆ representing a phenyl-R ₁ group; a cycloalkyl group which is heterozygous or has at least one O or CO and a carbon number of 3 to 8; or E ₂₆ represents (CO)E ₁₉ ; or E ₂₆ represents a phenyl group, and the E ₂₆ system is unsubstituted or as shown below Substituting at least one group, and the at least one group is selected from the group consisting of an alkyl group having 1 to 20 carbon atoms, a halogen atom, a halogenated alkyl group having 1 to 4 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or , the photoinitiator (E-1) having the structure of the formula (III) has at least one or The photosensitive resin composition of claim 4, wherein in the photoinitiator (E-1) of the structure represented by the formula (III), E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ And E ₇ and E ₈ each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, , COE ₁₆ or NO ₂ ; or E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are respectively independently represented Wherein at least one of E ₁ and E ₂ , E ₂ and E ₃ , E ₃ and E ₄ , E ₅ and E ₆ , E ₆ and E ₇ or E ₇ and E ₈ are Z ₁ represents CO or a single bond; E ₁₃ represents an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and At least one group is selected from a halogen atom, OE ₁₇ , SE ₁₈ , COOE ₁₇ , CONE ₁₉ E ₂₀ or PO(OC _k H _2k+1 ) ₂ ; or E ₁₃ represents an alkyl group having a carbon number of 2 to 20, An alkyl group having 2 to 20 carbon atoms having one or more O, S, NE ₂₆ or CO; or E ₁₃ representing a phenyl or naphthyl group, each of which is unsubstituted or at least one Or COE ₁₆ substituted; E ₁₄ represents an alkyl group having 1 to 20 carbon atoms, a phenyl group or an alkoxy group having 1 to 8 carbon atoms; and E ₁₅ represents a phenyl group, a naphthyl group, and a heteroaryl group having a carbon number of 3 to 20. a group, each of which is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a phenyl group, a halogen atom, a halogenated alkyl group having a carbon number of 1 to 4, OE ₁₇ , SE ₁₈ , An alkyl group having at least one O or S and having a carbon number of 2 to 20, or each of which is substituted with one or more alkyl groups having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is not Substituting or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , a phenyl group, a cycloalkyl group having a carbon number of 3 to 8, and a carbon number of a heteroaryl group of 3 to 20, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 4 to 20 carbon atoms, OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or PO (OC _k H _{2k +1} ) ₂ ; or E ₁₅ represents an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group The group is selected from OE ₁₇ , SE ₁₈ , a cycloalkyl group having a carbon number of 3 to 8, and a carbon number of 3 to 20 heteroaryl, NE ₁₉ E ₂₀ , COOE ₁₇ , CONE ₁₉ E ₂₀ or PO(OC _k H _2k+1 ) ₂ ; E' ₁₄ represents one of the definitions for E ₁₄ ; E' ₁₅ represents One of the definitions of E ₁₅ ; E ₁₆ represents a phenyl group, E ₁₆ is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ , an alkyl group having at least one O, S or NE ₂₆ and having a carbon number of 2 to 20; or E ₁₆ representing a phenyl group, and the phenyl group is substituted with at least one alkyl group having 1 to 20 carbon atoms, Wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from the group consisting of a halogen atom, COOE ₁₇ , CONE ₁₉ E ₂₀ , phenyl group, a cycloalkyl group having 3 to 8 carbon atoms, a heteroaryl group having 3 to 20 carbon atoms, an aryloxycarbonyl group having 6 to 20 carbon atoms, a heteroaryloxycarbonyl group having 4 to 20 carbon atoms, OE ₁₇ , SE ₁₈ or NE ₁₉ E ₂₀ ; or E ₁₆ represents an alkyl group having 1 to 20 carbon atoms, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and The at least one group is selected from a halogen atom, a phenyl group, and an OH group. , SH, CN, alkoxy groups having a carbon number of 3 to 6, OCH ₂ CH ₂ (CO)O(R ₁ ), O(CO)-(R ₁ ) or (CO)O(R ₁ ); E ₁₇ An alkyl group having a carbon number of 1 to 20, the alkyl group having 1 to 20 carbon atoms being unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, OCH ₂ CH ₂ (CO)O(R ₁ ), O(R ₁ ), (CO)O(R ₁ ), a cycloalkyl group having 3 to 20 carbon atoms, wherein the carbon number is 3 to 20 cycloalkyl groups Is not hetero or heterozygous at least one O; or E ₁₇ represents an alkyl group having 2 to 20 carbon atoms, the alkyl group having a carbon number of 2 to 20 is at least one O; and E _{18 is} substituted by (CO)OE ₁₇ Methyl; E ₁₉ and E ₂₀ each independently represent a hydrogen atom, a phenyl group, an alkyl group having 1 to 20 carbon atoms, an alkanoyl group having 1 to 8 carbon atoms or an alkanoyloxy group having 1 to 8 carbon atoms. Or the E ₁₉ and E ₂₀ systems together with the bonded nitrogen atom form a heteroaromatic ring system that is unsubstituted or Substituting, but the photoinitiator (E-1) having the structure of the formula (III) has at least one The photosensitive resin composition of claim 4, wherein in the photoinitiator (E-1) of the structure represented by the formula (III), E ₁ , E ₂ , E ₃ , E ₄ , E ₅ , E ₆ , E ₇ and E ₈ each independently represent a hydrogen atom; or E ₁ and E ₂ , E ₃ and E ₄ or E ₅ and E ₆ are independently represented independently And at least one of E ₁ and E ₂ , E ₃ and E ₄ or E ₅ and E ₆ are E ₂ represents , COE ₁₆ , NO ₂ or ; or E ₇ represents Or COE16; E ₉ , E ₁₁ and E ₁₂ represent a hydrogen atom; E ₁₀ represents a hydrogen atom, OE ₁₇ or COE ₁₆ ; Z ₁ represents CO or a single bond; and E ₁₃ represents an alkyl group having a carbon number of 1 to 20, the carbon The alkyl group of 1 to 20 is unsubstituted or substituted with at least one group as shown below, and the at least one group is selected from a halogen atom, E ₁₇ , OE ₁₇ , SE ₁₈ or PO (OC _k H _{2k + 1)} 2; or E ₁₃ represents a carbon atoms of an alkyl group of 2 to 20, the carbon number of 2 to 20 alkyl interrupted by at least one O; or E ₁₃ represents phenyl; K represents an integer of 2; E ₁₄ representatives An alkyl group or a thienyl group having 1 to 20 carbon atoms; E ₁₅ represents a phenyl group or a naphthyl group, and each of them is unsubstituted or substituted with at least one OE ₁₇ or an alkyl group having 1 to 20 carbon atoms; or E ₁₅ represents a thienyl group, a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below, and the at least one group is It is selected from OE ₁₇ , SE ₁₈ , a cycloalkyl group having a carbon number of 3 to 8, NE ₁₉ E ₂₀ or COOE ₁₇ ; or E ₁₅ represents an alkyl group having 2 to 20 carbon atoms, and the carbon number is 2 to 20 The alkyl group is interspersed with SO ₂ ; E ₁₆ represents a phenyl or naphthyl group, each of which is unsubstituted or Substituting at least one group as shown below, and the at least one group is selected from OE ₁₇ , SE ₁₈ , NE ₁₉ E ₂₀ or an alkyl group having a carbon number of 1 to 20; or E ₁₆ represents a thienyl group; E ₁₇ represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or an alkyl group having 1 to 20 carbon atoms, wherein the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one group as shown below. And the at least one group is selected from a halogen atom, O(CO)-(R ₁ ), O(CO)-(R ₆ ), or a cycloalkyl group having at least one O and a carbon number of 3 to 20; E ₁₇ represents an alkyl group having 2 to 20 carbon atoms, and the alkyl group having 2 to 20 carbon atoms is at least one O; E ₁₈ represents a cycloalkyl group having 3 to 20 carbon atoms and a carbon number of 1 to 20 An alkyl group, and the alkyl group having 1 to 20 carbon atoms is unsubstituted or substituted with at least one OH, O(CO)-(R ₆ ) or (CO)OE ₁₇ ; or E ₁₈ represents a phenyl group, the benzene The base is unsubstituted or substituted with at least one halogen atom; E ₁₉ and E ₂₀ each independently represent an alkanoyl group having a carbon number of 1 to 8 or a C 1 to 8 alkyl fluorenyloxy group; or E ₁₉ and E ₂₀ lines with the nitrogen atom are bonded together is interrupted by O of the five or six-membered saturated ring, but as the condition of formula (III) The structures shown photoinitiator (E-1) having at least one The photosensitive resin composition of claim 1, wherein the thermal acid generator (F) having the structure represented by the formula (I) is selected from the group consisting of an aromatic sulfonate, an aliphatic sulfonate, and a perfluoroalkyl sulfonic acid. a group of esters combined. The photosensitive resin composition of claim 1, wherein the pigment (A) is used in an amount of from 30 parts by weight to 300 parts by weight based on 100 parts by weight of the alkali-soluble resin (C); The amount used is 5 parts by weight to 50 parts by weight; the compound (D) having an ethylenically unsaturated group is used in an amount of 20 parts by weight to 200 parts by weight; and the photoinitiator (E) is used in an amount of 10 Parts by weight to 100 parts by weight; the thermal acid generator (F) having the structure of the formula (I) is used in an amount of from 0.1 part by weight to 10 parts by weight; the solvent (G) is used in an amount of from 500 parts by weight to 5,000 parts by weight Parts by weight. The photosensitive resin composition of claim 2, wherein the first alkali-soluble resin (C-1) is used in an amount of from 0 part by weight to 90% by weight based on 100 parts by weight of the alkali-soluble resin (C). Share. The photosensitive resin composition of claim 4, wherein the photoinitiator (E-1) having the structure represented by the formula (III) is used based on the amount of the alkali-soluble resin (C) used in an amount of 100 parts by weight. The amount is from 0.1 part by weight to 15 parts by weight A method of producing a color filter, which comprises forming a pixel layer using the photosensitive resin composition according to any one of claims 1 to 10. A color filter produced by the method of claim 11. A liquid crystal display device comprising a color filter according to claim 12.