CN102214024A - Touch pad, manufacturing method thereof and touch display panel with touch pad - Google Patents
Touch pad, manufacturing method thereof and touch display panel with touch pad Download PDFInfo
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- CN102214024A CN102214024A CN2010101419368A CN201010141936A CN102214024A CN 102214024 A CN102214024 A CN 102214024A CN 2010101419368 A CN2010101419368 A CN 2010101419368A CN 201010141936 A CN201010141936 A CN 201010141936A CN 102214024 A CN102214024 A CN 102214024A
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- trackpad
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Abstract
The invention provides a touch pad and a touch display panel with the same. The touch display panel comprises a display panel and a touch pad. The touch pad comprises a touch unit and a transparent protective layer. The touch unit is arranged on the display panel, the transparent protective layer is coated and formed on the touch unit, the touch unit is positioned between the display panel and the transparent protective layer, and the transparent protective layer is made of photosensitive resin. The transparent protective layer of the touch display panel can be tightly combined with the touch unit. In addition, the invention also provides a manufacturing method of the touch pad. Therefore, the touch pad has better touch effect, the touch display panel has better touch effect and display quality, and the manufacturing method of the touch pad is used for preventing bubbles from being reserved between the transparent protective layer and the touch unit.
Description
Technical field
The invention relates to a kind of Trackpad, and particularly relevant for a kind of Trackpad and its manufacture method that does not have protector plate for glass, and the touch-control display panel with this Trackpad.
Background technology
In recent years, the touch-control display panel of application touch control detection technique is controlled easy advantage owing to having, therefore be widely used in the electronic product of numerous species, especially portable electronic product is as mobile computer, personal digital assistant (Personal Digital Assistant), mobile phone, satellite navigation machine and display device of electronic paper etc.
Existing touch-control display panel comprises phase stacked display panel and Trackpad, and wherein Trackpad comprises touch control unit and protector plate for glass, and touch control unit is disposed between display panel and the protector plate for glass.The detection components that touch control unit comprises substrate and is formed at substrate, protector plate for glass then are in order to the protection touch control unit.Use is to carry out control action on protector plate for glass.
When making above-mentioned Trackpad, need usually protector plate for glass to be fitted on the touch control unit by viscose.Yet, because the substrate of protector plate for glass and touch control unit is the rigidity material, so when protector plate for glass and touch control unit fit, have bubble between protector plate for glass and the touch control unit easily.So, untight problem of fitting between protector plate for glass and the touch control unit be will cause, and then the display quality or the touch-control effect of touch-control display panel influenced.
Summary of the invention
The invention provides a kind of Trackpad, it has preferable touch-control effect.
The present invention also provides a kind of touch-control display panel, and it has preferable touch-control effect and display quality.
The present invention provides a kind of manufacture method of Trackpad again, to prevent there is bubble between protective clear layer and the touch control unit.
For reaching above-mentioned advantage, the present invention proposes a kind of Trackpad, and it comprises touch control unit and protective clear layer.The protective clear layer coating is formed on the touch control unit, and wherein the material of protective clear layer is a photoresist.
For reaching above-mentioned advantage, the present invention also proposes a kind of touch-control display panel, and it comprises display panel and Trackpad.Trackpad comprises touch control unit and protective clear layer.Touch control unit is disposed on the display panel, and protective clear layer coating is formed on the touch control unit, and touch control unit is between display panel and protective clear layer, and wherein the material of protective clear layer is a photoresist.
In one embodiment of this invention, above-mentioned photoresist is formed by photosensitive material, resin, monomer, solvent, adjuvant and crosslinking chemical reaction.
In one embodiment of this invention, above-mentioned resin is polymkeric substance or the multipolymer that contains the carboxylic acid group.
In one embodiment of this invention, above-mentioned resin is one or its potpourri of acrylic resin, acrylic-epoxy resin, acrylic-melamine resin, acrylic-styrene resin and phenol-phenolics.
In one embodiment of this invention, above-mentioned monomer is non-water-soluble monomer, and is pentaerythritol triacrylate, trimethylolpropane triacrylate, the acid of trimethylolpropane tris methyl acrylate, three (2-hydroxyethyl) chlorinated isocyanurates, two (trimethylolpropane) tetrapropylene, dipentaerythritol five acrylate, five acrylate, the acid of pentaerythrite tetrapropylene, six acetate, two own tetrols, dipentaerythrite six acrylate, multiple functional radical monomer, tree-shaped/the many clumps of few bodies of a small bundle of straw, etc. for silkworms to spin cocoons on acrylate, the many clumps of a small bundle of straw, etc. for silkworms to spin cocoons on polyether acrylates or aethylis carbamas.
In one embodiment of this invention, above-mentioned monomer is a water-soluble monomer, and is polyoxyethylene groups monomer or polyoxypropylene base monomer.
In one embodiment of this invention, above-mentioned solvent is one of glycol propyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, ethylene glycol monomethyl ether, ethylene glycol ethyl ether, diethylene glycol monomethyl ether, carbitol, butylcarbitol, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetate, propylene glycol propyl ether acetate and 3-ethoxyl ethyl propionate or its potpourri.
In one embodiment of this invention, above-mentioned adjuvant is a non-ionics.
For reaching above-mentioned advantage, the present invention proposes a kind of manufacture method of Trackpad again, and it comprises the following steps: at first to provide touch control unit, then is coated with the protective clear layer that forms again on touch control unit, and wherein the material of protective clear layer is a photoresist.
In one embodiment of this invention, the step that above-mentioned coating forms protective clear layer comprises earlier the photoresist solution coat on touch control unit, solidifies photoresist solution then to form protective clear layer.
In one embodiment of this invention, above-mentioned the photoresist solution coat is comprised roller coating, printing, spin coating or slit coating in the method for touch control unit.
In one embodiment of this invention, the step of above-mentioned curing photoresist solution comprises and carries out ultraviolet light polymerization technology and/or heat curing process.
In the manufacture method of Trackpad of the present invention, protective clear layer is to adopt the mode of coating to form, thus can avoid there is bubble between protective clear layer and the touch control unit, and then protective clear layer can be combined closely with touch control unit.In addition, in the present invention, owing to do not have bubble between protective clear layer and the touch control unit, so Trackpad of the present invention has preferable touch-control effect.In addition, when Trackpad of the present invention is applied to touch-control display panel, owing to do not have bubble between the protective clear layer of Trackpad and the touch control unit, so can promote the display quality and the touch-control effect of touch-control display panel.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 illustrates the diagrammatic cross-section into one touch-control display panel of the embodiment of the invention.
Fig. 2 and Fig. 3 illustrate the diagrammatic cross-section in manufacture process of one Trackpad of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples Trackpad of the present invention, Trackpad manufacture method and touch-control display panel are described in further detail.
Fig. 1 illustrates the synoptic diagram into one touch-control display panel of the embodiment of the invention.See also Fig. 1, the touch-control display panel 10 of present embodiment comprises display panel 12 and Trackpad 14.Trackpad 14 comprises touch control unit 142 and protective clear layer 144; wherein touch control unit 142 is disposed on the display panel 12; and protective clear layer 144 coatings are formed on the touch control unit 142, and touch control unit 142 is between display panel 12 and protective clear layer 144.In the present embodiment, display panel 12 for example is display panels, LED display panel, Field Emission Display panel, Plasmia indicating panel, organic EL display panel or electrophoretic display panel etc., but not as limit.Touch control unit 142 for example is to be made of substrate and the detection components that is formed on this substrate.The kind of touch control unit 142 can be condenser type or resistance-type, but not as limit.
Hold above-mentionedly, the material of protective clear layer 144 is a photoresist.Particularly, photoresist can be formed by the reaction of potpourris such as photosensitive material, resin (Resin), monomer, solvent, adjuvant and crosslinking chemical.
Wherein, resin can be polymkeric substance or the multipolymer that contains carboxylic acid group (COOH), for example one of acrylic (Acrylic) resin, acrylic-epoxy (Epoxy) resin, acrylic-melamine (Melamine) resin, acrylic-styrene (Styrene) resin and phenol-phenolic aldehyde (PhenolicAldehyde) resin or its potpourri, but not as limit.
Monomer can be water-insoluble (Water-insoluble Monomer) or water-soluble monomer (Water-soluble Monomer).Wherein, water-insoluble monomer can be pentaerythritol triacrylate (Pentaerythritol Triacrylate), trimethylolpropane triacrylate (Trimethylolpropane Triacrylate), trimethylolpropane tris methyl acrylate (Trimethylolpropane Trimethacrylate), three (2-hydroxyethyl) chlorinated isocyanurates (Tris (2-Hydroxy Ethyl) Isocyanurate Triacrylate), two (trimethylolpropane) tetrapropylene acid (Di (trimethylolpropane) Tetraacrylate), dipentaerythritol five acrylate (Dipentaerythritol Pentaacrylate), five acrylate (Pentaacrylate Ester), pentaerythrite tetrapropylene acid (Pentaerythritol Tetraacrylate), six acetate, two own tetrols (Dihexaerythritol Hexaacrylate), dipentaerythrite six acrylate (Dipentaerythritol Hexaacrylate), multiple functional radical monomer (Muti-functionMonomer), tree-shaped/the many clumps of few bodies (Dendritic/Hyper-branchedAcrylate Oligomers) of a small bundle of straw, etc. for silkworms to spin cocoons on acrylate, many clumps of a small bundle of straw, etc. for silkworms to spin cocoons on polyether acrylates (Hyper-branched PolyesterAcrylates) or aethylis carbamas (Urethane Acrylates).Water-soluble monomer then can be polyoxyethylene groups (Ethoxylated Base) monomer or polyoxypropylene base (Propoxylated Base) monomer, two-(two-oxygen ethylene oxy ethene) vinylacrylic acid esters (2 (2-Ethoxyethoxy) Ethyl Acrylate) for example, 15 polyoxyethylene trihydroxymethyl propane triacrylates (Ethoxylated (15) Trimethylolpropane Triacrylate), 30 oxygen ethene two, two-biconjugate phenol methane diacrylate (Ethoxylated (30) Bisphenol A Diacrylate), 30 oxygen ethene two, two-biconjugate phenol dimethylamino methane base acrylate (Ethoxylated (30) BisphenolA Dimethacrylate), 20 oxygen ethene trihydroxymethyl propane triacrylates (Ethoxylated (20) Trimethylolpropane Triacrylate), 200 oxygen ethene diacrylates (Polyethylene Glycol (200) Diacrylate), 400 oxygen ethene diacrylates (Polyethylene Glycol (400) Diacrylate), 400 oxygen ethene dimethylacrylates (Polyethylene Glycol (400) Dimethacrylate), 600 oxygen ethene diacrylates (Polyethylene Glycol (600) Diacrylate), (600 oxygen ethene dimethylacrylate Polyethylene Glycol (600) Dimethacrylate) or polyoxypropylene monomethacrylates (Polypropylene Glycol Monomethacrylate).The general molecular formula (b) of general molecular formula of polyoxyethylene groups monomer (a) and polyoxypropylene base monomer can be as follows respectively:
Wherein, x, y, the value of z can be respectively more than or equal to zero, and x, y, z's and greater than zero.Preferably x, y, the value of z is respectively more than or equal to zero and be less than or equal to 600.
Solvent can be glycol propyl ether (Ethylene Glycol Monopropyl Ether), diethylene glycol dimethyl ether (Di-ethylene Glycol Dimethyl Ether), tetrahydrofuran (Tetrahydrofuran), ethylene glycol monomethyl ether (Ethylene Glycol Monomethyl Ether), ethylene glycol ethyl ether (Ethylene Glycol Monoethyl Ether), diethylene glycol monomethyl ether (Di-ethylene Glycol Mono-methyl Ether), carbitol (Di-ethyleneGlycol Mono-ethyl Ether), butylcarbitol (Di-ethylene Glycol Mono-butylEther), 1-Methoxy-2-propyl acetate (Propylene Glycol Mono-methyl EtherAcetate), propylene-glycol ethyl ether acetate (Propylene Glycol Mono-ethyl EtherAcetate), one of propylene glycol propyl ether acetate (Propylene Glycol Mono-propyl EtherAcetate) and 3-ethoxyl ethyl propionate (Ethyl 3-ethoxy Propionate) or its potpourri, but not as limit.
Adjuvant is generally pigment dispersing agent, be contain pigment photoresistance the essential composition that adds, it can be non-ionics, for example Solsperse 39000 and Solsperse 21000.
In the above-mentioned touch-control display panel 10, have higher scoring resistance energy, can make the 4H grade of the hardness of protective clear layer 144 more than or equal to the pencil hardness standard for making protective clear layer 144.In addition, have preferable brightness for guaranteeing touch-control display panel 10, the transmittance that also can make the light of 144 pairs of wavelength of protective clear layer between 380 nanometer to 780 nanometers is greater than 90%.
Hereinafter conjunction with figs. is illustrated the manufacture method of above-mentioned Trackpad 14.Fig. 2 and Fig. 3 illustrate the diagrammatic cross-section of Trackpad in manufacture process of one embodiment of the invention.Please earlier referring to Fig. 2, the manufacture method of the Trackpad 14 of present embodiment is that touch control unit 142 is provided earlier.Then, as shown in Figure 3, coating forms protective clear layer 144 on touch control unit 142, and wherein the material of protective clear layer 144 is a photoresist.
Specifically, the step that coating forms protective clear layer 144 for example be earlier with the photoresist solution coat on touch control unit 142, and then solidify this photoresist solution to form protective clear layer 144.This photoresist solution for example is by mixing as above-mentioned photosensitive material, resin, monomer, solvent, adjuvant and crosslinking chemical etc.In addition, the method for this photoresist solution of coating can be roller coating (Roller Coating), printing (Printing), spin coating (Spin Coating) or slit coating (Slit Coating) on touch control unit 142.In addition, the step of solidifying this photoresist solution can comprise carries out ultraviolet light polymerization technology and/or heat curing process, to impel photoresist solution to react and to be solidified into protective clear layer 144.
In the manufacture method of above-mentioned Trackpad 14, because the photoresist solution that is coated on the touch control unit 142 is fluid, so can not have bubble between photoresist solution and the touch control unit 142.Therefore, after photoresist solution is cured into protective clear layer 144, can there be bubble between protective clear layer 144 and the touch control unit 142, protective clear layer 144 and touch control unit 142 are combined closely.In addition, owing to do not have bubble between the protective clear layer 144 of the Trackpad 14 of present embodiment and the touch control unit 142, so can avoid bubble that the touch-control effect of Trackpad 14 is exerted an adverse impact.In other words, the Trackpad 14 of present embodiment has preferable touch-control effect.
Hold above-mentionedly, in the touch control display apparatus 10 of present embodiment,, the display quality and the touch-control effect of touch control display apparatus 10 are exerted an adverse impact so can prevent bubble owing to do not have bubble between the protective clear layer 144 of Trackpad 14 and the touch control unit 142.So, can promote the display quality and the touch-control effect of touch control display apparatus 10.In addition, compared to the employed protector plate for glass of prior art, the Trackpad 14 employed protective clear layers 144 that formed by photoresist of present embodiment have the lighter and lower-cost advantage of weight.
It should be noted that though above be that to be applied in touch-control display panel 10 with Trackpad 14 be that example describes, Trackpad 14 of the present invention is not limited to be used in touch-control display panel 10, Trackpad 14 also can not be incorporated into display panel 12 and use separately.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (13)
1. a Trackpad comprises touch control unit and protective clear layer, it is characterized in that: this protective clear layer coating is formed on this touch control unit, and the material of this protective clear layer is a photoresist.
2. Trackpad as claimed in claim 1 is characterized in that: this photoresist is formed by photosensitive material, resin, monomer, solvent, adjuvant and crosslinking chemical reaction.
3. Trackpad as claimed in claim 2 is characterized in that: this resin is polymkeric substance or the multipolymer that contains the carboxylic acid group.
4. Trackpad as claimed in claim 2 is characterized in that: this resin is one of acrylic resin, acrylic-epoxy resin, acrylic-melamine resin, acrylic-styrene resin and phenol-phenolics or its potpourri.
5. Trackpad as claimed in claim 2, it is characterized in that: this monomer is non-water-soluble monomer, and is pentaerythritol triacrylate, trimethylolpropane triacrylate, the acid of trimethylolpropane tris methyl acrylate, three (2-hydroxyethyl) chlorinated isocyanurates, two (trimethylolpropane) tetrapropylene, dipentaerythritol five acrylate, five acrylate, the acid of pentaerythrite tetrapropylene, six acetate, two own tetrols, dipentaerythrite six acrylate, multiple functional radical monomer, tree-shaped/the many clumps of few bodies of a small bundle of straw, etc. for silkworms to spin cocoons on acrylate, the many clumps of a small bundle of straw, etc. for silkworms to spin cocoons on polyether acrylates or aethylis carbamas.
6. Trackpad as claimed in claim 2 is characterized in that: this monomer is a water-soluble monomer, and is polyoxyethylene groups monomer or polyoxypropylene base monomer.
7. Trackpad as claimed in claim 2 is characterized in that: this solvent is one of glycol propyl ether, diethylene glycol dimethyl ether, tetrahydrofuran, ethylene glycol monomethyl ether, ethylene glycol ethyl ether, diethylene glycol monomethyl ether, carbitol, butylcarbitol, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetate, propylene glycol propyl ether acetate and 3-ethoxyl ethyl propionate or its potpourri.
8. Trackpad as claimed in claim 2 is characterized in that: this adjuvant is a non-ionics.
9. touch-control display panel is characterized in that comprising: display panel with as the wherein any described Trackpad of claim 1 to 8, this touch control unit of this Trackpad is disposed on this display panel.
10. the manufacture method of a Trackpad is characterized in that comprising:
A touch control unit is provided; And
Coating forms a protective clear layer on this touch control unit, and wherein the material of this protective clear layer is a photoresist.
11. the manufacture method of Trackpad as claimed in claim 10 is characterized in that: the step that coating forms this protective clear layer comprises:
With the photoresist solution coat on this touch control unit; And
Solidify this photoresist solution to form this protective clear layer.
12. the manufacture method of Trackpad as claimed in claim 11 is characterized in that: this photoresist solution coat is comprised roller coating, printing, spin coating or slit coating in the method for this touch control unit.
13. the manufacture method of Trackpad as claimed in claim 11 is characterized in that: the step of solidifying this photoresist solution comprises carries out ultraviolet light polymerization technology and/or heat curing process.
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| CN 201010141936 CN102214024B (en) | 2010-04-08 | 2010-04-08 | Touch panel, manufacturing method thereof, and touch display panel with the touch panel |
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| CN 201010141936 CN102214024B (en) | 2010-04-08 | 2010-04-08 | Touch panel, manufacturing method thereof, and touch display panel with the touch panel |
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| CN103975294A (en) * | 2011-12-05 | 2014-08-06 | 日立化成株式会社 | Method for forming protective film on electrode for touch panel, photosensitive resin composition and photosensitive element, and method for manufacturing touch panel |
| US9348223B2 (en) | 2011-12-05 | 2016-05-24 | Hitachi Chemical Company, Ltd. | Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film |
| US9488912B2 (en) | 2011-12-05 | 2016-11-08 | Hitachi Chemical Company, Ltd. | Method of forming protective film for touch panel electrode, photosensitive resin composition and photosensitive element, and method of manufacturing touch panel |
| CN106537307A (en) * | 2014-07-15 | 2017-03-22 | 富士胶片株式会社 | Method for producing multilayer material, multilayer material, method for producing transparent laminate, transparent laminate, capacitive input device and image display device |
| CN106824695A (en) * | 2017-03-28 | 2017-06-13 | 武汉华星光电技术有限公司 | The method that protective layer is formed on the surface of display screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103975294A (en) * | 2011-12-05 | 2014-08-06 | 日立化成株式会社 | Method for forming protective film on electrode for touch panel, photosensitive resin composition and photosensitive element, and method for manufacturing touch panel |
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| US10386719B2 (en) | 2011-12-05 | 2019-08-20 | Hitachi Chemical Company, Ltd. | Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film |
| US10663861B2 (en) | 2011-12-05 | 2020-05-26 | Hitachi Chemical Company, Ltd. | Method for forming resin cured film pattern, photosensitive resin composition, photosensitive element, method for producing touch panel, and resin cured film |
| CN106537307A (en) * | 2014-07-15 | 2017-03-22 | 富士胶片株式会社 | Method for producing multilayer material, multilayer material, method for producing transparent laminate, transparent laminate, capacitive input device and image display device |
| CN106537307B (en) * | 2014-07-15 | 2019-06-25 | 富士胶片株式会社 | Stacking material and its manufacturing method, Sparent laminate and its manufacturing method and device |
| CN106824695A (en) * | 2017-03-28 | 2017-06-13 | 武汉华星光电技术有限公司 | The method that protective layer is formed on the surface of display screen |
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| CN102214024B (en) | 2013-06-26 |
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