CN104536196B - A kind of preparation method of color membrane substrates, color membrane substrates and display floater - Google Patents
A kind of preparation method of color membrane substrates, color membrane substrates and display floater Download PDFInfo
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- CN104536196B CN104536196B CN201510025818.3A CN201510025818A CN104536196B CN 104536196 B CN104536196 B CN 104536196B CN 201510025818 A CN201510025818 A CN 201510025818A CN 104536196 B CN104536196 B CN 104536196B
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- 239000000758 substrate Substances 0.000 title claims abstract description 137
- 239000012528 membrane Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 71
- 239000000178 monomer Substances 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims abstract description 89
- 230000008569 process Effects 0.000 claims abstract description 84
- 239000000203 mixture Substances 0.000 claims abstract description 53
- 238000012719 thermal polymerization Methods 0.000 claims abstract description 37
- 238000000059 patterning Methods 0.000 claims abstract description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 238000001029 thermal curing Methods 0.000 claims description 18
- 150000003384 small molecules Chemical class 0.000 claims description 15
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 14
- 239000003086 colorant Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- DZIHTWJGPDVSGE-UHFFFAOYSA-N 4-[(4-aminocyclohexyl)methyl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1CC1CCC(N)CC1 DZIHTWJGPDVSGE-UHFFFAOYSA-N 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 claims 1
- 208000034699 Vitreous floaters Diseases 0.000 claims 1
- 229920002120 photoresistant polymer Polymers 0.000 description 15
- 239000000463 material Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000001259 photo etching Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 241001062009 Indigofera Species 0.000 description 2
- 210000002858 crystal cell Anatomy 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
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- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5006—Amines aliphatic
- C08G59/5013—Amines aliphatic containing more than seven carbon atoms, e.g. fatty amines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5026—Amines cycloaliphatic
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Filters (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention belongs to display technology field is and in particular to a kind of preparation method of color membrane substrates, color membrane substrates and display floater.A kind of preparation method of color membrane substrates, described color membrane substrates include three kinds of different colour films of color, and this preparation method includes step：Step S1) using patterning processes, the first colour film is formed on substrate；Step S2) mixture containing photopolymerizable monomer and hot polymerisable monomer is formed on the substrate；Step S3) utilize mask plate, make described mixture form the second colour film on the substrate using photopolymerization process；Step S4) adopt thermal polymerization process, form the 3rd colour film on the substrate；Step S5) remove other parts outside described first colour film, described second colour film and described 3rd colour film.The preparation method of this color membrane substrates can simplify the preparation technology of color membrane substrates, greatly improve the preparation efficiency of color membrane substrates, and improve precision and the transmitance of colour film therein.
Description
Technical field
The invention belongs to display technology field is and in particular to a kind of preparation method of color membrane substrates, color membrane substrates and display
Panel.
Background technology
Liquid crystal indicator is one of panel display apparatus of current main flow, and display panels include the coloured silk to box setting
Ilm substrate, array base palte and be arranged at liquid crystal layer therebetween.Wherein, color membrane substrates are to realize coloured silk in liquid crystal indicator
The critical component of color.The preparation technology of existing color membrane substrates is complex, red membrane R therein, green film G, blue film B
Prepared respectively using patterning processes, each patterning processes all include multiple steps such as coating, exposure, development.
Taking formation red membrane R, green film G, the order of blue film B as a example：First, it is coated with red photoresist PR, exposed
Light, development obtain red membrane R；Then, it is coated with green photoresist PR, be exposed, developing obtains green film G；Then, it is coated with indigo plant
Coloured light photoresist PR, is exposed, developing obtains blue color filter layer.It can be seen that, color membrane substrates needs experience is repeatedly coated with, exposes, shows
Could prepare after shadow step and complete, technique repeats burden.
Content of the invention
The technical problem to be solved is for deficiency above-mentioned present in prior art, provides a kind of coloured silk film base
The preparation method of plate, color membrane substrates and display floater, the preparation method of this color membrane substrates can simplify the preparation work of color membrane substrates
Skill, greatly improves the preparation efficiency of color membrane substrates.
Solve the preparation method that present invention problem be employed technical scheme comprise that this color membrane substrates, described color membrane substrates
Including the different colour film of three kinds of colors, this preparation method includes step：
Step S1) using patterning processes, the first colour film is formed on substrate；
Step S2) mixture containing photopolymerizable monomer and hot polymerisable monomer is formed on the substrate；
Step S3) utilize mask plate, make described mixture form second on the substrate using photopolymerization process colored
Film；
Step S4) adopt thermal polymerization process, form the 3rd colour film on the substrate；
Step S5) remove other portions outside described first colour film, described second colour film and described 3rd colour film
Point.
Preferably, in step S1) before, also include the step forming black matrix, described black matrix is arranged at adjacent
The adjacent area of described colour film or overlapping region.
Preferably, in step S2) in, described mixture includes：Photopolymerizable monomer, small molecule nematic liquid crystal, heat
Polymerisable monomer, chiral additiveses, light trigger and thermal curing agents, wherein：The mass percent scope of photopolymerizable monomer is
8-25%, the mass percent scope of small molecule nematic liquid crystal is 13.5-68.5%, the mass percent of hot polymerisable monomer
Scope is 8-27%, and the mass percent scope of chiral additiveses is 5-20%, and the mass percent scope of light trigger is
0.5-1.5%, the mass percent scope of thermal curing agents is 8-15%.
Preferably, hot polymerisable monomer is polyethyleneglycol diglycidylether or phenol F epoxy resin, and thermal curing agents are 1,
8- diaminourea -3,6- dioxaoctane or 4,4 '-diamino-dicyclohexyl methane.
Preferably, photopolymerizable monomer is ultraviolet photo-polymerizable liquid crystal monomer, in step S3) in, in photopolymerization process
The a length of 365nm of ultraviolet light wave, range of light intensities is 0.05-10mW/cm2, exposure time scope is 10-90min.
Preferably, in step S4) in, the temperature range of thermal polymerization process is 40-110 DEG C, and time range is 30-
120min.
Preferably, the Show Color of the different colour film of three kinds of colors is respectively in red, green and blueness
Any one, wherein, the wavelength band of the colour film of display HONGGUANG is 622-760nm, the wavelength band of the colour film of display green glow
For 492-577nm, show that the wavelength band of the colour film of blue light is 435-500nm.
Preferably, the Show Color of described first colour film is redness, and the Show Color of described second colour film is green
Color, the Show Color of described 3rd colour film is blueness, step S2) in, in described mixture：The quality hundred of photopolymerizable monomer
Divide than being 18%, the mass percent of small molecule nematic liquid crystal is 35.5%, and the mass percent of hot polymerisable monomer is
16%, the mass percent of chiral additiveses is 20%, and the mass percent of light trigger is 1.5%, the quality of thermal curing agents
Percentage ratio is 9%；
The wavelength band of described second colour film is 540-570nm, and the wavelength band of described 3rd colour film is 450-
500nm.
Preferably, described photopolymerizable monomer is ultraviolet photo-polymerizable liquid crystal monomer, step S3) in, photopolymerization process
The a length of 365nm of middle ultraviolet light wave, light intensity is 1.0mW/cm2, exposure time is 30min.
Preferably, step S4) in, the temperature of thermal polymerization process is 100 degree, and the time is 40min.
Preferably, the Show Color of described first colour film is green, and the Show Color of described second colour film is red
Color, the Show Color of described 3rd colour film is blueness, step S2) in, in described mixture：The quality hundred of photopolymerizable monomer
Divide than being 10%, the mass percent of small molecule nematic liquid crystal is 50.1%, and the mass percent of hot polymerisable monomer is
12%, the mass percent of chiral additiveses is 19%, and the mass percent of light trigger is 0.9%, the quality of thermal curing agents
Percentage ratio is 8%；
The wavelength band of described second colour film is 680-730nm, and the wavelength band of described 3rd colour film is 450-
500nm.
Preferably, described photopolymerizable monomer is ultraviolet photo-polymerizable liquid crystal monomer, step S3) in, photopolymerization process
The a length of 365nm of middle ultraviolet light wave, light intensity is 0.6mW/cm2, exposure time is 40min.
Preferably, step S4) in, the temperature of thermal polymerization process is 90 degree, and the time is 50min.
Preferably, the Show Color of described first colour film is blueness, and the Show Color of described second colour film is red
Color, the Show Color of described 3rd colour film is green, step S2) in, in described mixture：The quality hundred of photopolymerizable monomer
Divide than being 8%, the mass percent of small molecule nematic liquid crystal is 50.3%, and the mass percent of hot polymerisable monomer is
18%, the mass percent of chiral additiveses is 12%, and the mass percent of light trigger is 0.7%, the quality of thermal curing agents
Percentage ratio is 11%；
The wavelength band of described second colour film is 680-730nm, and the wavelength band of described 3rd colour film is 520-
570nm.
Preferably, described photopolymerizable monomer is ultraviolet photo-polymerizable liquid crystal monomer, step S3) in, photopolymerization process
The a length of 365nm of middle ultraviolet light wave, light intensity is 3.1mW/cm2, exposure time is 20min.
Preferably, step S4) in, the temperature of thermal polymerization process is 60 degree, and the time is 90min.
A kind of color membrane substrates, the preparation method using the color membrane substrates of preceding claim is formed.
A kind of display floater, including above-mentioned color membrane substrates.
The invention has the beneficial effects as follows：The preparation method of this color membrane substrates, can simplify the preparation technology of color membrane substrates, greatly
The big preparation efficiency improving color membrane substrates；Material source used by this preparation method is extensively, cheap, it is possible to decrease cost；Adopt
With the colour film high precision of this preparation method preparation, there is high transmitance；It is additionally, since the face shown by colour film therein
The wave band of color can be by the content of photopolymerizable monomer, the content of hot polymerisable monomer, uv photopolymerization light intensity in mixture
Degree and thermal polymerization temperature are regulated and controled；
The color membrane substrates being formed using the preparation method preparation of this color membrane substrates, because colour membrane molecule therein more causes
Close, there is more preferable transmitance and the precision of Geng Gao, color characteristics are good；
Accordingly, the display effect using the display floater of this color membrane substrates is more preferable.
Brief description
Fig. 1 is the schematic flow sheet of the preparation method of color membrane substrates in the embodiment of the present invention 1；
Fig. 2A-Fig. 2 E is the structural formula schematic diagram of material in mixture in the embodiment of the present invention 1；
Fig. 3 A- Fig. 3 E is the structural representation of each step in the preparation method of color membrane substrates in the embodiment of the present invention 2；
Fig. 4 be the embodiment of the present invention 2 in color membrane substrates obtain after photopolymerization process and thermal polymerization process can be simultaneously
Wave spectrogram through green glow and the colour film of blue light；
In reference：
1- substrate；
2- black matrix；
3- red membrane；30- redness photoresist；
4- green film；5- blue film；40- mixture；41- low concentration mixture of networks thing.
Specific embodiment
For making those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the preparation method of color membrane substrates of the present invention, color membrane substrates and display floater.
Embodiment 1：
The present embodiment provides a kind of preparation method of the color membrane substrates including photopolymerization process and thermal polymerization process, prepares shape
The color membrane substrates becoming include three kinds of different colour films of color.Photopolymerization process therein and thermal polymerization process can be made step by step
The colour film of any two kinds of colors in standby color membrane substrates.
It is illustrated in figure 1 the schematic flow sheet of the preparation method of color membrane substrates in the present embodiment.The preparation of this color membrane substrates
Method includes step：
Step S1) using patterning processes, the first colour film is formed on substrate.
In this step, coating is passed through on substrate for forming the colored photoresist of the first colour film, to colored photoetching
Glue exposure, development, form the first colour film.
Step S2) mixture containing photopolymerizable monomer and hot polymerisable monomer is formed on substrate.
In this step, the mixture containing photopolymerizable monomer and hot polymerisable monomer can be prepared in advance, this mixing
Thing specifically includes：Photopolymerizable monomer, small molecule nematic liquid crystal, hot polymerisable monomer, chiral additiveses, light trigger and heat
Firming agent, wherein：The mass percent scope of photopolymerizable monomer is 8-25%, the mass percent of small molecule nematic liquid crystal
Scope is 13.5-68.5%, and the mass percent scope of hot polymerisable monomer is 8-27%, the mass percent of chiral additiveses
Scope is 5-20%, and the mass percent scope of light trigger is 0.5-1.5%, and the mass percent scope of thermal curing agents is 8-
15%.
In the present embodiment, photopolymerizable monomer is ultraviolet photo-polymerizable liquid crystal monomer, and hot polymerisable monomer is poly- second two
Alcohol diglycidyl ether (EGDE) or phenol F epoxy resin (DGEBF), the molecular formula of small molecule nematic liquid crystal is SLC-1717,
Thermal curing agents are 1,8- diaminourea -3,6- dioxaoctane or 4,4 '-diamino-dicyclohexyl methane (PACM).Wherein, Fig. 2A
Show the structural formula of ultraviolet photo-polymerizable liquid crystal monomer, Fig. 2 B shows hot polymerisable monomer polyethyleneglycol diglycidylether
(EGDE) structural formula, Fig. 2 C shows the structural formula of chiral additiveses, and Fig. 2 D shows the structural formula of light trigger, and Fig. 2 E shows
Go out the structural formula of thermal curing agents.
Uniform for above-mentioned each material mixture is formed mixture, and by above-mentioned containing ultraviolet photo-polymerizable liquid crystal monomer and Re Ke
The mixture of polymerized monomer adopt coating method or spin coating mode, be formed uniformly on and complete step S1) substrate on, now,
Mixture is formed uniformly other regions outside having certain thickness first colour film.
Step S3) utilize mask plate, make mixture that the second colour film to be formed on substrate using photopolymerization process.
In this step, mask plate is placed in the top of prepared mixture, makes mixture produce light using ultraviolet light
Polyreaction.Wherein, a length of 365nm of ultraviolet light wave in photopolymerization process, range of light intensities is 0.05-10mW/cm2, during irradiation
Between scope be 10-90min.
Using ultraviolet light irradiation mixture, make to be subject to ultraviolet photopolymerizable liquid in the region of ultraviolet light irradiation in mixture system
Brilliant monomer polymerization, that is, so that being not affected by purple in mixture system during the polymerization of ultraviolet photo-polymerizable liquid crystal monomer consumes
In the region of outer photoirradiation, ultraviolet photo-polymerizable liquid crystal monomer is to the zone migration of ultraviolet light irradiation (namely in mixture system
Hot polymerisable monomer is relatively from the region of ultraviolet light irradiation to the non-irradiated regional diffusion of ultraviolet) so that surface is subject to ultraviolet
The content of the region ultraviolet photo-polymerizable liquid crystal monomer of photoirradiation is not subject to the region of ultraviolet light irradiation many relatively, namely makes mixing
Ultraviolet photo-polymerizable liquid crystal monomer in objects system is polymerized during diffusion, thus forming ultraviolet light in mixture system
Polymerisable liquid crystal monomer Concentraton gradient network (from the region not being subject to ultraviolet light irradiation to the regional concentration by ultraviolet light irradiation by
Cumulative big, that is, the photo polymeric network in ultraviolet light irradiation region is relatively intensive, is not subject to the photopolymer net in ultraviolet light irradiation region
Network is relatively sparse), the gradient network that this ultraviolet photo-polymerizable liquid crystal monomer is formed can pass through the color of certain wave band.
Here, the transparent figure of mask plate and opaque patterns can be according to the shape of the different colour film of color and rows
The property (positivity or negativity) of array structure and photoresist is configured, for example：Colour film may be configured as strip distribution, triangle
Distribution and the distribution of mosaic shape, now mask plate does and accordingly adjusts according to the shape of colour film and arrangement architecture.A kind of section
About cost it is preferable that, formed the second colour film mask plate with formed the first colour film mask plate be same,
During use, transparent figure therein or opaque patterns are adjusted to suitable corresponding region, I will not elaborate.
Step S4) adopt thermal polymerization process, the 3rd colour film is formed on substrate.
In this step, the temperature range of thermal polymerization process is 40-110 DEG C, and time range is 30-120min.Will be complete
Become step S3) substrate be placed in thermal station, make the hot polymerisable monomer polymerization in mixture system, fixation obtains can be through not
It is same as the color of the wave band of the second colour film.
Step S5) remove the first colour film, the other parts outside the second colour film and the 3rd colour film.
In this step, according to the material character for forming colour film, can using developing process remove the first colour film,
Other parts outside second colour film and the 3rd colour film, thus prepare color membrane substrates.
The color membrane substrates being formed using above-mentioned preparation method, the Show Color of the different colour film of three kinds of colors is respectively
For any one in red, green and blueness, wherein, the wavelength band of the colour film of display HONGGUANG is 622-760nm, and display is green
The wavelength band of the colour film of light is 492-577nm, and the wavelength band of the colour film of display blue light is 435-500nm.
Above-mentioned color membrane substrates as shown in the preparation method of above-mentioned color membrane substrates, colour film can be formed directly on substrate
Side；Certainly, in order to obtain more preferable shaded effect, can be in the corresponding adjacent colour film of array base palte to box with color membrane substrates
Adjacent area or overlapping region setting shading strip, this shading strip can be with light tight metal material or black Other substrate materials shape
Become.
Here it will be understood that on the basis of the structure of above-mentioned color membrane substrates, the color membrane substrates in the present embodiment can
To further include black matrix, and black matrix is correspondingly arranged in adjacent area or the overlapping region of adjacent colour film, to obtain
Obtain more preferable shaded effect.
The present embodiment proposes a kind of preparation method of the color membrane substrates of simplification, each for three kinds of colors in color membrane substrates
The colour film (including R, G, B) differing, the first colour film that it forms at first can be prepared using existing patterning processes, the
Two colour films utilize photopolymerization process to prepare, and the 3rd colour film utilizes thermal polymerization process to prepare, by different the dividing of technique
One step process so that colour film present according to the figure of mask plate regularly arranged.
The preparation method of this color membrane substrates, has the advantage that：
Avoid and carry out the repetition flow process such as multiexposure, multiple exposure, development in the preparation process of color membrane substrates, preparation technology is easy；
Material source in mixture is extensive and with low cost；
And, the colored membrane molecule being formed by photopolymerization process and thermal polymerization process is finer and close, has more preferable transmission
Rate and higher precision, the color characteristics of color membrane substrates are good；
Importantly, the wave band of the transmission color of the colour film of different colours can be by photopolymerizable monomer in mixture
Content, the content of hot polymerisable monomer, uv photopolymerization light intensity and thermal polymerization temperature regulated and controled.
Below example 2- embodiment 4 is by the mixture to different quality degree and by different technique
The preparation method of the color membrane substrates of the colour film of the different colours that condition obtains and corresponding color membrane substrates illustrate.
Embodiment 2：
In the color membrane substrates that the preparation method of the present embodiment color membrane substrates is formed, the Show Color of the first colour film is red
Color, the Show Color of the second colour film is green, and the Show Color of the 3rd colour film is blueness.
Fig. 3 A- Fig. 3 E shows each step prepared during color membrane substrates using the preparation method of color membrane substrates in embodiment 1
Structural representation, wherein, Fig. 3 A- Fig. 3 E left hand view be color membrane substrates side view, right part of flg be color membrane substrates sectional view.
And, the present embodiment first prepares formation black matrix 2 with first square on substrate 1, then forms colour film as an example.
Step S1) form the first colour film on substrate 1 using patterning processes.
In this step, pass through coating on substrate 1 for forming the colored photoresist of the first colour film, to colored photoetching
Glue exposure, development, form the first colour film.As shown in Figure 3A, the colored photoresist forming the first colour film in the present embodiment is
Red photoresist 30；The color membrane substrates forming red membrane 3 using patterning processes are as shown in Figure 3 B.
Step S2) mixture 40 containing ultraviolet photo-polymerizable liquid crystal monomer and hot polymerisable monomer is formed at step
S1 on substrate 1).
In this step, in mixture 40：The mass percent scope of ultraviolet photo-polymerizable liquid crystal monomer is 18%, little point
The mass percent scope of sub- nematic liquid crystal is 35.5%, and the mass percent scope of hot polymerisable monomer is 16%, chiral
The mass percent scope of additive is 20%, and the mass percent scope of light trigger is 1.5%, the quality hundred of thermal curing agents
Dividing than scope is 9%.It is formed uniformly the color membrane substrates of mixture 40 as shown in Figure 3 C.
Step S3) utilize mask plate, make mixture 40 form the second colour film on substrate 1 using photopolymerization process.
In this step, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 1.0mW/cm2, exposure time is
30min.As shown in Figure 3 D, in photopolymerization process, the photo polymeric network in ultraviolet light irradiation region is relatively intensive, the light of formation
Converging network is green film 4, and green film 4 can be through green, and green band scope is 540-570nm；It is not subject to ultraviolet light spoke
Photo polymeric network according to region is relatively sparse, forms low concentration mixture of networks thing 41.
Step S4) adopt thermal polymerization process, form the 3rd colour film on substrate 1.
In this step, the temperature of thermal polymerization process is 100 degree, and the time is 40min.Will substrate after uv photopolymerization
1 is placed in thermal station, makes the hot polymerisable monomer polymerization in mixture system.As shown in FIGURE 3 E, formed in thermal polymerization process
Thermal polymerization network is blue film 5, and blue film 5 can pass through blue light, and the wavelength band of blue light is 450-500nm.
Step S5) remove the first colour film, the other parts outside the second colour film and the 3rd colour film.
In this step, according to the material character for forming colour film, red membrane 3, green can be removed using developing process
Other parts outside color film 4 and blue film 5, thus prepare color membrane substrates.
The color membrane substrates being formed using the preparation method of above-mentioned color membrane substrates, form a kind of face at ultraviolet light irradiation photopolymerization
The colour film of color, forms the colour film of another kind of color at thermal polymerization.Wherein obtained can pass through green glow and blue light simultaneously
Thin polymer film wave spectrogram as shown in Figure 4.It can be seen that, the color film being formed by the preparation method of color membrane substrates in the present embodiment
Substrate, the wavelength band of green film is 540-570nm, and the wavelength band of blue film is 450-500nm.
Embodiment 3：
In the color membrane substrates that the preparation method of the present embodiment color membrane substrates is formed, the Show Color of the first colour film is green
Color, the Show Color of the second colour film is redness, and the Show Color of the 3rd colour film is blueness.
Step S1) using patterning processes, the first colour film is formed on substrate.
In this step, coating is passed through on substrate for forming the colored photoresist of the first colour film, to colored photoetching
Glue exposure, development, form the first colour film.In the present embodiment, the colored photoresist forming the first colour film is green photoresist,
Form green film using patterning processes.
Step S2) mixture containing ultraviolet photo-polymerizable liquid crystal monomer and hot polymerisable monomer is formed at step S1)
Substrate on.
In this step, in mixture：The mass percent of ultraviolet photo-polymerizable liquid crystal monomer is 10%, small molecule nematic
The mass percent of phase liquid crystal is 50.1%, and the mass percent of hot polymerisable monomer is 12%, the quality hundred of chiral additiveses
Divide than being 19%, the mass percent of light trigger is 0.9%, the mass percent of thermal curing agents is 8%.
Step S3) utilize mask plate, make mixture that the second colour film to be formed on substrate using photopolymerization process.
In this step, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 0.6mW/cm2, exposure time is
40min.The photopolymerization network being formed in photopolymerization process is red membrane, and red membrane can pass through redness, and red band model
Enclose for 680-730nm.
Step S4) adopt thermal polymerization process, the 3rd colour film is formed on substrate.
In this step, the temperature of thermal polymerization process is 90 degree, and the time is 50min.The heat being formed in thermal polymerization process
Converging network is blue film, and blue film can pass through blue light, and the wavelength band of blue light is 450-500nm.
Step S5) remove the first colour film, the other parts outside the second colour film and the 3rd colour film.
In this step, according to the material character for forming colour film, red membrane, green can be removed using developing process
Other parts outside film and blue film, thus prepare color membrane substrates.
Embodiment 4：
In the color membrane substrates that the preparation method of the present embodiment color membrane substrates is formed, the Show Color of the first colour film is indigo plant
Color, the Show Color of the second colour film is redness, and the Show Color of the 3rd colour film is green.
Step S1) using patterning processes, the first colour film is formed on substrate.
In this step, coating is passed through on substrate for forming the colored photoresist of the first colour film, to colored photoetching
Glue exposure, development, form the first colour film.In the present embodiment, the colored photoresist forming the first colour film is blue photoresist,
Form blue film using patterning processes.
Step S2) mixture containing ultraviolet photo-polymerizable liquid crystal monomer and hot polymerisable monomer is formed at step S1)
Substrate on.
In this step, in mixture：The mass percent of ultraviolet photo-polymerizable liquid crystal monomer is 8%, small molecule nematic
The mass percent of phase liquid crystal is 50.3%, and the mass percent of hot polymerisable monomer is 18%, the quality hundred of chiral additiveses
Divide than being 12%, the mass percent of light trigger is 0.7%, the mass percent of thermal curing agents is 11%.
Step S3) utilize mask plate, make mixture that the second colour film to be formed on substrate using photopolymerization process.
In this step, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 3.1mW/cm2, exposure time is
20min.The photopolymerization network being formed in photopolymerization process is red membrane, and red membrane can pass through redness, and red band model
Enclose for 680-730nm.
Step S4) adopt thermal polymerization process, the 3rd colour film is formed on substrate.
In this step, the temperature of thermal polymerization process is 60 degree, and the time is 90min.The heat being formed in thermal polymerization process
Converging network is green film, and green film can be through green, and the wavelength band of green is 520-570nm.
Step S5) remove the first colour film, the other parts outside the second colour film and the 3rd colour film.
In this step, according to the material character for forming colour film, red membrane, green can be removed using developing process
Other parts outside film and blue film, thus prepare color membrane substrates.
From embodiment 1- embodiment 4, the preparation method of color membrane substrates proposed by the present invention, light is had by mixture
Polymerisable monomer and the mixture of hot polymerisable monomer, are prepared using patterning processes, photopolymerization process and thermal polymerization process substep
Color membrane substrates, simplify step of preparation process；
Meanwhile, the colored membrane molecule being formed by photopolymerization process and thermal polymerization process is finer and close, has more preferable transmission
Rate and higher precision, the color characteristics of color membrane substrates are good；
And, in color membrane substrates, the transmission wave band of the Show Color of the different colour film of color can pass through mixture system
In photopolymerizable monomer, the content of hot polymerisable monomer and process conditions are adjusted it is easy to obtain more rich display
Color；
In the preparation method of this color membrane substrates, material source is extensive and with low cost.
Embodiment 5：
The present embodiment provides a kind of color membrane substrates, and this color membrane substrates adopts the preparation of any one color membrane substrates of embodiment 1-4
Method is formed.
In color membrane substrates, the different colour film of color passes through patterning processes, photopolymerization process and thermal polymerization process substep shape
Become, the colored membrane molecule being formed by photopolymerization process and thermal polymerization process is finer and close, has more preferable transmitance and the essence of Geng Gao
Degree, color membrane substrates color characteristics are good；
Importantly, the wave band of the transmission color of the colour film of different colours can be by photopolymerizable monomer in mixture
Content, the content of hot polymerisable monomer, uv photopolymerization light intensity and thermal polymerization temperature regulated and controled it is easy to be obtained more rich
Show Color.
Embodiment 6：
The present embodiment provides a kind of display floater, and this display floater adopts the color membrane substrates in embodiment 5.
Using the color membrane substrates in embodiment 5, with array base palte, liquid crystal cell can be formed to box, and instil in liquid crystal cell
Liquid crystal, thus form display floater.This display floater can be：Liquid crystal panel, Electronic Paper, mobile phone, panel computer, television set,
Any product with display function such as display, notebook computer, DPF, navigator or part.
The preparation method of the color membrane substrates in the present invention, can simplify the preparation technology of color membrane substrates, greatly improve color film
The preparation efficiency of substrate；The wave band being additionally, since the color shown by colour film therein can be able to be gathered by light in mixture
Content, the content of hot polymerisable monomer, uv photopolymerization light intensity and the thermal polymerization temperature of closing monomer are regulated and controled；
The color membrane substrates being formed using the preparation method preparation of this color membrane substrates, because colour membrane molecule therein more causes
Close, there is more preferable transmitance and the precision of Geng Gao, color characteristics are good；
Accordingly, the display effect using the display floater of this color membrane substrates is more preferable.
It is understood that the embodiment of above principle being intended to be merely illustrative of the present and the exemplary enforcement adopting
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, various modifications and improvement can be made, these modifications and improvement are also considered as protection scope of the present invention.
Claims (18)
1. a kind of preparation method of color membrane substrates, described color membrane substrates include three kinds of different colour films of color, its feature
It is, this preparation method includes step：
Step S1) using patterning processes, the first colour film is formed on substrate；
Step S2) mixture containing photopolymerizable monomer and hot polymerisable monomer is formed on the substrate；
Step S3) utilize mask plate, make described mixture form the second colour film on the substrate using photopolymerization process；
Step S4) adopt thermal polymerization process, form the 3rd colour film on the substrate；
Step S5) remove other parts outside described first colour film, described second colour film and described 3rd colour film.
2. preparation method according to claim 1 is it is characterised in that in step S1) before, also include forming black matrix
Step, described black matrix is arranged at the adjacent adjacent area of described colour film or overlapping region.
3. preparation method according to claim 1 and 2 is it is characterised in that in step S2) in, described mixture includes：Light
Polymerisable monomer, small molecule nematic liquid crystal, hot polymerisable monomer, chiral additiveses, light trigger and thermal curing agents, wherein：
The mass percent scope of photopolymerizable monomer is 8-25%, and the mass percent scope of small molecule nematic liquid crystal is 13.5-
68.5%, the mass percent scope of hot polymerisable monomer is 8-27%, and the mass percent scope of chiral additiveses is 5-
20%, the mass percent scope of light trigger is 0.5-1.5%, and the mass percent scope of thermal curing agents is 8-15%.
4. preparation method according to claim 3 is it is characterised in that hot polymerisable monomer is polyethylene glycol diglycidyl
Ether or phenol F epoxy resin, thermal curing agents are 1,8- diaminourea -3,6- dioxaoctane or 4,4 '-diamino-dicyclohexyl methane.
5. preparation method according to claim 1 and 2 is it is characterised in that photopolymerizable monomer is ultraviolet photopolymerizable liquid
Brilliant monomer, in step S3) in, a length of 365nm of ultraviolet light wave in photopolymerization process, range of light intensities is 0.05-10mW/cm2, spoke
It is 10-90min according to time range.
6. preparation method according to claim 1 and 2 is it is characterised in that in step S4) in, the temperature of thermal polymerization process
Scope is 40-110 DEG C, and time range is 30-120min.
7. preparation method according to claim 1 and 2 it is characterised in that the different colour film of three kinds of colors aobvious
Show any one in color respectively redness, green and blueness, wherein, the wavelength band of the colour film of display HONGGUANG is 622-
760nm, the wavelength band of the colour film of display green glow is 492-577nm, and the wavelength band of the colour film of display blue light is 435-
500nm.
8. preparation method according to claim 3 it is characterised in that described first colour film Show Color be redness,
The Show Color of described second colour film is green, and the Show Color of described 3rd colour film is blueness, step S2) in, described
In mixture：The mass percent of photopolymerizable monomer is 18%, and the mass percent of small molecule nematic liquid crystal is 35.5%,
The mass percent of hot polymerisable monomer is 16%, and the mass percent of chiral additiveses is 20%, the quality hundred of light trigger
Divide than being 1.5%, the mass percent of thermal curing agents is 9%；
The wavelength band of described second colour film is 540-570nm, and the wavelength band of described 3rd colour film is 450-500nm.
9. preparation method according to claim 7 is it is characterised in that described photopolymerizable monomer is ultraviolet photopolymerizable liquid
Brilliant monomer, step S3) in, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 1.0mW/cm2, exposure time is
30min.
10. preparation method according to claim 7 is it is characterised in that step S4) in, the temperature of thermal polymerization process is 100
Degree, the time is 40min.
11. preparation methoies according to claim 3 it is characterised in that described first colour film Show Color be green,
The Show Color of described second colour film is redness, and the Show Color of described 3rd colour film is blueness, step S2) in, described
In mixture：The mass percent of photopolymerizable monomer is 10%, and the mass percent of small molecule nematic liquid crystal is 50.1%,
The mass percent of hot polymerisable monomer is 12%, and the mass percent of chiral additiveses is 19%, the quality hundred of light trigger
Divide than being 0.9%, the mass percent of thermal curing agents is 8%；
The wavelength band of described second colour film is 680-730nm, and the wavelength band of described 3rd colour film is 450-500nm.
12. preparation methoies according to claim 11 are it is characterised in that described photopolymerizable monomer is ultraviolet photopolymerizable
Liquid crystal monomer, step S3) in, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 0.6mW/cm2, exposure time is
40min.
13. preparation methoies according to claim 11 are it is characterised in that step S4) in, the temperature of thermal polymerization process is 90
Degree, the time is 50min.
14. preparation methoies according to claim 3 it is characterised in that described first colour film Show Color be blueness,
The Show Color of described second colour film is redness, and the Show Color of described 3rd colour film is green, step S2) in, described
In mixture：The mass percent of photopolymerizable monomer is 8%, and the mass percent of small molecule nematic liquid crystal is 50.3%,
The mass percent of hot polymerisable monomer is 18%, and the mass percent of chiral additiveses is 12%, the quality hundred of light trigger
Divide than being 0.7%, the mass percent of thermal curing agents is 11%；
The wavelength band of described second colour film is 680-730nm, and the wavelength band of described 3rd colour film is 520-570nm.
15. preparation methoies according to claim 14 are it is characterised in that described photopolymerizable monomer is ultraviolet photopolymerizable
Liquid crystal monomer, step S3) in, a length of 365nm of ultraviolet light wave in photopolymerization process, light intensity is 3.1mW/cm2, exposure time is
20min.
16. preparation methoies according to claim 14 are it is characterised in that step S4) in, the temperature of thermal polymerization process is 60
Degree, the time is 90min.
A kind of 17. color membrane substrates are it is characterised in that adopt the preparation method of the color membrane substrates described in any one of claim 1-16
Formed.
A kind of 18. display floaters are it is characterised in that include the color membrane substrates described in claim 17.
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| EP0546856A2 (en) * | 1991-12-12 | 1993-06-16 | MITSUI TOATSU CHEMICALS, Inc. | Dyes for color filters, photosensitive resist resin compositions containing the same, and color filters |
| US5236793A (en) * | 1990-06-06 | 1993-08-17 | Okuno Chemical Industries Co., Ltd. | Material for color filter overcoat and material for color filter useful for liquid crystal display, process for formation of overcoat and process for formation of color filter |
| CN101067668A (en) * | 2006-05-02 | 2007-11-07 | 富士胶片株式会社 | Method of manufacturing color filter, color filter and displaying device |
| CN101373231A (en) * | 2006-09-20 | 2009-02-25 | 富士胶片株式会社 | Color filter, method for manufacturing color filter, and display device |
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|---|---|---|---|---|
| US5236793A (en) * | 1990-06-06 | 1993-08-17 | Okuno Chemical Industries Co., Ltd. | Material for color filter overcoat and material for color filter useful for liquid crystal display, process for formation of overcoat and process for formation of color filter |
| EP0546856A2 (en) * | 1991-12-12 | 1993-06-16 | MITSUI TOATSU CHEMICALS, Inc. | Dyes for color filters, photosensitive resist resin compositions containing the same, and color filters |
| CN101067668A (en) * | 2006-05-02 | 2007-11-07 | 富士胶片株式会社 | Method of manufacturing color filter, color filter and displaying device |
| CN101373231A (en) * | 2006-09-20 | 2009-02-25 | 富士胶片株式会社 | Color filter, method for manufacturing color filter, and display device |
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