TW201118504A - Touch plate and method for making the same, and touch display panel with the same - Google Patents

Abstract

A touch display panel includes a display panel and a touch plate. The touch plate includes a touch sensitive unit and a transparent protective layer. The touch sensitive unit is disposed on the display panel. The transparent protective layer is formed on the touch sensitive unit by coating. Material of the transparent protective layer is photosensitive resin. The transparent protective layer and the touch sensitive unit of the touch display panel can be jointed together firmly. Further, a touch plate and a method for making the same are also provided.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a touch panel, and more particularly to a touch panel without a glass protection panel and a method of manufacturing the same, and a touch panel having the touch panel Display panel. [Prior Art]

In recent years, the touch display panel using touch sensing technology has been widely used in many kinds of electronic products because of its advantages of manipulating the valley, especially portable electronic products such as notebook computers and personal digital devices. Assistant (pers〇nal digital assistant), mobile phone, satellite navigation machine and electronic paper display device. The touch display panel includes a display panel and a touch panel, wherein the touch panel includes a touch unit and a glass protection panel, and the touch unit is disposed between the display panel and the glass protection panel. The touch panel includes a substrate and a sensing member formed on the substrate, and the glass protection panel protects the touch unit. The user performs the manipulation on the glass protection panel. In the above touch panel, the glass protection board is usually attached to the touch unit by adhesive. Fine, because the substrate of the contact panel of the key health board is:, the glass protection, when it is attached to the touch unit, the glass protection board i -: early valley is easy to have bubbles. In this way, the glass protection board and the bribe are caused to affect the display of the touch display panel. SUMMARY OF THE INVENTION The present invention provides 7pT quality. A touch display panel having a better control effect and the present invention also provides a dynamic control effect. The invention further provides a manufacturing method of __Wei, (4) a transparent protective layer 201118504 and a bubble between the touch unit. - Advantages of the Invention The present invention proposes a touch display panel which includes a display surface and a touch panel. The touch panel includes a touch unit and a transparent protective layer. The touch protection element is disposed on the touch panel, and the touch protection layer 70 is located between the display panel and the transparent protective layer, wherein the transparent protective layer is made of a photosensitive resin. . In order to achieve the above advantages, the present invention also provides a touch panel comprising touch control and transparent protection. The diaper protection cloth is formed on the touch unit, wherein the transparent protective layer is made of a photosensitive resin. In one embodiment of the invention, the photosensitive resin described above is formed by reacting a photosensitive material, a resin, a monomer, a solvent, an additive, and a crosslinking agent. In one embodiment of the invention, the above resin is a carboxylic acid group-containing polymer or copolymer. In an embodiment of the invention, the resin is one of an acrylic resin, an acrylic 'epoxy resin, an acrylic-melamine resin, an acrylic-styrene resin, and a phenol-phenolic resin. Or a mixture thereof. In one embodiment of the invention, the above monomer is a water-insoluble monomer or a water-soluble monomer. ▲ In one embodiment of the present invention, the water-insoluble monomer is penterythritol triacrylate, trif-ether ether propane triacrylate, trimethyl ether propane dimethyl acrylate, Tris, di-ethanol isocyanate triacrylate, bis-T-propanol, tetraisopropanol pentaacrylate, pentaacrylate, pentaerythritol tetraacetate, hexaacetate dihexa Alcohol, diisopentaerythritol hexaacetate, polyglycosyl mono-, multi-cluster acrylate oligo, multi-cluster polyether acrylate vinegar or acid B. In one embodiment of the invention, the water soluble monomer is a polyoxyethylene 201118504 monomer or a polyoxypropylene based monomer. In one embodiment of the invention, the molecular formula of the above polyoxyethylene monomer is: 0

II 〇 — c—c = ch2 Η R—C—丨

H2 h2 n II o-c-c^o- c-c = ch2

H2c and He-C ch2

H where x, y, z are greater than or equal to zero, respectively, and the sum of x, y, z is greater than zero. In one embodiment of the invention, the molecular formula of the above polyoxypropylene monomer is

Wherein the values of X, y, and z are greater than or equal to zero, respectively, and the sum of X, y, and z is greater than zero. In one embodiment of the present invention, the solvent is ethylene glycol propyl ether, diglyme, tetrahydrofuran, ethylene glycol methyl ether, ethylene glycol ethyl ether, diethylene glycol monomethyl ether, diethylene glycol Ether, diethylene glycol monobutyl ether, propylene glycol methyl ether acetate, propylene glycol diethyl ether acetate, propylene glycol propyl ether acetate and one of ethyl 3-ethoxypropionate or a mixture of 201118504. In an embodiment of the invention, the additive is a nonionic surfactant. In one embodiment of the invention, the hardness of the transparent protective layer described above is greater than or equal to the 4H rating of the pencil hardness specification. In one embodiment of the invention, the transparent protective layer has a light transmittance of greater than 9 Å for light having a wavelength between 380 nm and 780 nm. . In order to achieve the above advantages, the present invention further provides a method for manufacturing a touch panel, which includes the following steps: first, providing a touch unit, and then coating a transparent protective layer formed on the touch unit, wherein the transparent protective layer is The material is a photosensitive resin. In an embodiment of the invention, the step of coating the transparent protective layer comprises first applying a photosensitive resin solution to the touch unit, and then curing the photosensitive resin solution to form a transparent protective layer. In one embodiment of the present invention, the above method of applying a photosensitive resin solution to a touch unit includes roll coating, printing, spin coating or slit coating. In one embodiment of the invention, the step of curing the photosensitive resin solution includes performing an ultraviolet curing process and/or a thermal curing process. In the manufacturing method of the touch panel of the present invention, the transparent protective layer is formed by coating, so that bubbles are hidden between the transparent protective layer and the touch unit, so that the transparent protective layer can be closely integrated with the touch unit. . In addition, in the present invention, since the transparent protective layer and the touch unit have no air bubbles, the touch panel of the present invention has a better touch effect. In addition, when the touch panel of the present invention is applied to the touch display panel, since the transparent protective layer of the touch panel and the touch unit have no air bubbles, the display quality and the touch effect of the touch display panel can be improved. The above and other objects, features, and advantages of the present invention will become more apparent and appreciated. Embodiment 1 FIG. 1 is a schematic diagram of a touch display panel according to an embodiment of the present invention. Referring to FIG. 1, the touch display panel 10 of the present embodiment includes a display panel 12 and a touch panel 14. The touch panel 14 includes a touch unit 142 and a transparent protective layer 144. The touch unit 142 is disposed on the display panel 12±, and the transparent protective layer M4 is formed on the touch unit 142, and the touch unit 142 is located on the display panel. 12 is between the transparent protective layer 144. In this embodiment, the display panel 12 is, for example, a liquid φ positive display panel, a light emitting diode display panel, a field emission display panel, a plasma graphics panel, an organic electroluminescence display panel, or an electrophoretic display panel, but limit. The touch unit 142 is composed of, for example, a substrate and sensing elements formed on the substrate. The type of the touch unit 142 can be capacitive or resistive, but is not limited thereto. In view of the above, the material of the transparent protective layer 144 is a photosensitive resin. Specifically, the tongue photosensitive resin can be formed by reacting a mixture of a photosensitive material, a resin (Resin), a monomer, a solvent, an additive, and a crosslinking agent. Wherein 'the resin may be a polymer or copolymer containing a carboxylic acid group (COOH), such as Acrylic resin, Epoxy resin, and Melamine resin. , but not limited to, one of acryl-styrene (Styrene) and one of Phenolic Aldehyde resins or mixtures thereof. The monomer may be a water-insoluble monomer or a water-soluble monomer. Among them, the water-insoluble monomer may be a pentaerythritol Triacrylate, a trimethylolpropane triacrylate, or a trimethyl ether burnt dimethacrylate. Trimethylolpropane Trimethacrylate, 201118504 III, Di-trimethylolpropane Tetraacrylate, Tris (2-Hydroxy Ethyl) Isocyanurate Triacrylate, Di-trimethylolpropane Tetraacrylate Dipentaerythritol Pentaacrylate, Pentaacrylate Ester, Pentaerythritol Tetraacrylate, Dihexaerythritol Hexaacrylate, Hexaacetic Acid Dipentaerythritol Hexaacrylate, Muti-function Monomer, Dendritic/Hyper-branched Acrylate Oligomers, Multi-Clend Polyether Hyper-branched Polyester Acrylates or Urethane Acrylates. The water-soluble monomer may be an Ethoxylated Base monomer or a Propoxylated Base monomer such as bis-(dioxyethylene oxyethylene) vinyl acrylate (2 (2- Ethoxyethoxy ) Ethyl Acrylate ), 15 Ethoxylated ( 15 ) Trimethylolpropane Triacrylate, Thirty Oxygen Ethylene Dioxide, Ethoxylated (30 Ethoxylated (Ethoxylated) Bisphenol A Diacrylate ), Thirty Oxylated Ethoxylated (30) Bisphenol A Dimethacrylate, Twenty Ethoxylated Triacyl Acetate Ethoxylated ( 20 ) Trimethylolpropane Triacrylate ), 200 ethoxyethylene diol vinegar (Polyethylene Glycol ( 200 ) Diacrylate ), 400 ethoxy propylene diacetate (Polyethylene Glycol (400 ) Diacrylate ), 4 Polyethylene Glycol (400) Dimethacrylate, 600 ethoxy ethoxy acrylate (Polyethylene Glycol (600) Diacrylate), (six hundred oxyethylene ethoxylates) Acrylic group brewing Polyethylene Glycol (600) 8 201118504

Dimethacrylate) or Polypropylene Glycol Monomethacrylate. The molecular formula (a) of the polyoxyethylene monomer and the molecular formula (b) of the polyoxypropylene monomer can be respectively as follows: ο h2c-^o— R—C—C2-^ &—巧0 ”-g=CH2 0

H2 H2 \ II 0— C — CC~C=CH2

H2c-^ 0—c2-c2i〇 -1 a g: o CH, h2c-^ o — c — c — c2^ o —

o II C——C: H CH, H2 / h2 h2 H2\ (b) R—c—c-(-o —c —c —cf〇— c—c = ch2 v yy || ho ch2 H2C Rs

Wherein, the values of x, y, and z may be greater than or equal to zero, respectively, and the sum of X, y, and z is greater than zero. Preferably, the values of X, y, z are greater than or equal to zero and less than or equal to 600, respectively. The solvent may be Ethylene Glycol Monopropyl Ether, Di-ethylene Glycol Dimethyl Ether, Tetrahydrofuran, Ethylene Glycol Monomethyl Ether. Ethylene Glycol Monoethyl Ether, Di-ethylene Glycol Mono-methyl 201118504

Ether), Di-ethylene Glycol Mono-ethyl Ether, Di-ethylene Glycol Mono-butyl Ether, Propylene Glycol Mono-methyl Ether Acetate , one of Propylene Glycol Mono-ethyl Ether Acetate, Propylene Glycol Mono-propyl Ether Acetate, and Ethyl 3-ethoxy Propionate or Mixture, but not limited to this. The additive is typically a pigment dispersant and is a component that must be added to the photoresist containing the pigment, which can be a nonionic surfactant such as Solsperse 39000® and Solsperse 21000. In the above touch display panel 10, in order to make the transparent protective layer 144 have high scratch resistance, the hardness of the transparent protective layer 144 can be made greater than or equal to the 4H level of the pencil hardness specification. In addition, in order to ensure that the touch display panel 1 has a better brightness, the transparent protective layer 144 can also have a light transmittance of more than 90% for light having a wavelength between 380 nm and 780 nm. The method of manufacturing the touch panel 14 described above will be described below with reference to the drawings. FIG. 2 and FIG. 3 illustrate a flow of implementation of a method of manufacturing a touch panel according to an embodiment of the present invention. Referring to FIG. 2, the manufacturing method of the touch panel 14 of the present embodiment first provides the touch unit 142. Next, as shown in FIG. 3, a transparent protective layer 144 is formed on the touch unit 142, wherein the transparent protective layer 144 is made of a photosensitive resin. In detail, the step of coating the transparent protective layer 144 is, for example, first applying a photosensitive resin solution onto the touch unit 142, and then curing the photosensitive resin solution to form a transparent protective layer 144. The photosensitive resin solution is, for example, a mixture of a photosensitive material, a resin, a monomer, a solvent, an additive, a crosslinking agent, and the like as described above. In addition, the method of coating the photosensitive resin solution 201118504 can be Roller Coating, Printing, Spin C〇ating or Slit Coating. ). Further, the step of curing the photosensitive resin solution may include performing an ultraviolet curing process and/or a heat curing process to cause the photosensitive resin solution to react to be cured into the transparent protective layer 144. In the method of manufacturing the touch panel 14, since the photosensitive resin solution applied to the touch unit 142 is a fluid, air bubbles do not exist between the photosensitive resin solution and the touch unit 142. Therefore, after the photosensitive resin solution is cured into the transparent protective layer 144, no bubbles are present between the transparent protective layer 144 and the touch unit 142, so that the transparent protective layer 144 can be tightly coupled to the touch unit 142. In this case, since there is no air bubble between the transparent protective layer 144 of the touch panel 14 of the present embodiment and the touch unit 142, the influence of the air bubbles on the touch panel μ can be prevented from being adversely affected. In other words, the touch panel 14 of the present embodiment has a better touch control effect. In the touch display device of the present embodiment, since there is no air bubble between the transparent protective layer 144 of the touch panel 14 and the touch unit 142, the display quality and touch of the touch display device 10 are prevented. The effect produces a bad view > In this way, the display quality and the touch effect of the touch display device 1 can be improved. • In addition, the transparent protective layer 144 formed of the photosensitive resin used in the touch panel 14 of the present embodiment has the advantage of being lighter in weight and lower in cost than the glass protective sheet used in the prior art. In the above description, the touch panel 14 is applied to the touch display panel 10 as an example, but the touch panel 14 of the present invention is not limited to the touch display panel 10 and the touch panel. 14 may also be used alone without being combined with the display panel 12. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a touch display panel according to an embodiment of the invention. 2 and 3 are schematic diagrams showing an operation flow of a method of manufacturing a touch panel according to an embodiment of the invention. [Main component symbol description] 10 : Touch display panel • 12 : Display panel 14 : Touch panel 142 : Touch unit 144 : Transparent protective layer 12

Claims (1)

201118504 VII. Patent application scope: 1. A touch display panel, comprising: a display panel, a touch panel, comprising: a touch unit disposed on the display panel; and a transparent protective layer formed by coating On the touch unit, the touch unit is located between the display panel and the transparent protective layer, wherein the transparent protective layer is made of a photosensitive resin. 2. The touch display panel of claim 1, wherein the photosensitive resin is formed by reacting a photosensitive material, a resin, a monomer, a solvent, an additive, and a crosslinking agent. 3. The touch display panel of claim 2, wherein the resin is a carboxylic acid group-containing polymer or copolymer. 4. The touch display panel according to claim 2, wherein the resin is acrylic resin, acrylic-epoxy resin, acrylic-meal resin, acrylic-stupid vinyl resin And one of the phenol-phenolic resins or a mixture thereof. 5. The touch display panel of claim 2, wherein the mono φ body is a water-insoluble monomer or a water-soluble monomer. 6. The touch display panel of claim 5, wherein the water-insoluble monomer is penterythritol triacrylate, trimethyl ether propane ruthenium triacrylate, dimethyl ether propane triterpenoid Acrylate, tris, di-ethanol isocyanate triacrylate, di, trimethylolpropane tetraacrylate, diisopentaerythritol pentaacrylate, pentaacrylate, pentaerythritol tetraacetate, dihexyl hexaacetate, Diisodecyl hexaacetate, polyfunctional monomer, dendritic/multi-cluster acrylate vinegar, multi-clust polyether acrylate or ethyl amide. 7. The touch display panel of claim 5, wherein the water 13 201118504 ^ polyoxyethylene monomer or polyoxypropylene monomer. Oxygen ethane refining beauty = #利利范围# The multi-age panel described in item 7, wherein the molecular formula of the polyacetamidine precursor is: 0 H o h2c-(〇^h^h^〇_11_c = ch2 R—C—c2- HH H2c^ O — 22— c2-^ o — c — c = ch2 where x'y'z is greater than or equal to zero, respectively, and the sum of x, y, z is greater than zero. The touch display panel described in claim 7 wherein the molecular formula of the oxypropylene monomer is: 0 μΓ_/^ Η2 Η2 Η2χ II 2 ~V°~~C —c~c'^ :〇—c—c=ch2 x HR— C— c2-(l 0 — C — C2— r2X Λ l弋OCC c 〇—?—g=CH2 H2C~(.—c2—c — c2·^ o - I - g = Ch2 0 wherein the values of X, y'z are greater than or equal to zero, respectively, and the sum of x, y, z is greater than zero. 10. The touch display panel of claim 2, wherein The solvent is ethylene glycol propyl ether, diethylene glycol dioxime ether, tetrahydrofuran, ethylene glycol methyl ether, ethylene glycol ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol Ether acetate, propylene glycol ethyl ether acetate, propylene glycol propyl ether acetate and 201118504 A touch display panel as described in claim 2, wherein the additive is a nonionic surfactant. The touch display panel, wherein the transparent protective layer has a hardness greater than or equal to a 4H level of the pencil hardness specification. 13. The touch display panel of claim 2, wherein the transparent protective layer has a wavelength The light transmission between 380 nm and 78 〇 nano is greater than 90%. 14. A touch panel comprising: a snap-touch unit; and a transparent protective layer coated on the touch unit The material of the transparent protective layer is a photosensitive resin. The touch panel of claim 14, wherein the photosensitive resin is made of a photosensitive material, a resin, a monomer, a solvent, an additive, and a cross-linking. The touch panel of claim 15, wherein the resin is a carboxylic acid group-containing polymer or copolymer. Φ I7. The touch described in claim 1 Control board, where the tree It is one of acrylic resin, acryl-epoxy resin, acrylic _ philadelphia resin, acrylic styrene resin and phenol-phenolic resin or a mixture thereof. The touch panel, wherein the monomer is a water-insoluble monomer or a water-soluble monomer. 19. The touch panel of claim 18, wherein the water-insoluble monomer is Sugar alcohol triacrylate vinegar, trimethyl methacrylate triacetin vinegar, dimercapto ether dioxin propyl methacrylate, tris, diethanol isocyanide _ triacetic acid vinegar, diterpene glycerol Institute of four propylene vinegar, diisopentaerythritol propylene vinegar, five S; 1 15 201118504 acrylate, pentaerythritol tetraacetate, dihexyl hexaacetate, diisoamyl hexaacetate, more Functional group monomer, dendritic/multi-cluster acrylate oligo, multi-cluster acrylonitrile or acetoacetate. 20. The touch panel of claim 18, wherein the water soluble monomer is a polyoxyethylene monomer or a polyoxypropylene monomer. 21. The touch panel of claim 2, wherein the molecular formula of the ethylenic monomer is: H2c{ R—C—H2c+ ο 0 H2 h2s II 0 —c —c+o— c —c = ch2 oII c2~f °~c-c2-^occ CH, °~'c~-C2A-〇—c —c = ch2 /z || H o where X'y, z are greater than or equal to zero, respectively, and the sum of x, y, z is greater than zero. 22. The touch panel of claim 20, wherein the molecular formula of the alkenyl monomer is: ο o— C—C=CH, Η R -c—乳ο—C—c = ch2 II H o CH, h2c-( 〇- 22- C2- c2A- 0 - c - c : H o where X'y The value of 'Z is greater than or equal to zero, respectively, and the sum of x, y, and z is greater than zero. The first touch panel of claim 15 wherein the solvent is ethylene glycol propyl ether, diethylene glycol Methyl ether, tetrahydrofuran, ethylene glycol oxime ether, ethylene glycol ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl sulphate, propylene glycol oxime ether acetate, propylene glycol diethyl ether acetate, propylene glycol propyl ether A touch panel as described in claim 15 wherein the additive is a non-ionic interface active |J. 25. The touch panel of claim 14, wherein the transparent protective layer has a hardness greater than or equal to a 4H rating of the pencil hardness specification. 26. The touch panel of claim n, wherein the transparent protection The light transmittance of the layer to light having a wavelength between 380 nm and 780 nm is greater than 90%. 27. The manufacturer of the touch panel The method includes: providing a touch unit; and coating a transparent protective layer on the touch unit, wherein the transparent protective layer is made of a photosensitive resin. 28. The touch according to claim 27 The method for producing a sheet, wherein the photosensitive resin is formed by reacting a photosensitive material, a resin, a monomer, a solvent, an additive, and a crosslinking agent. 29. The method for manufacturing a touch panel according to claim 28, The resin is a carboxylic acid group-containing polymer or copolymer. The method of manufacturing the touch panel according to claim 28, wherein the resin is acrylic resin, acrylic resin , the acryl, the acryl- styrene resin, and the phenol-phenolic resin, or a mixture thereof, the method of manufacturing the touch panel according to claim 28, wherein The method of manufacturing the touch panel according to claim 31, wherein the non-water-cooling monomer is erythrophyceae Sugar alcohol triacrylate, tridecyl ether Alkane III = dilute acid vinegar, trimethyl ether propane tridecyl acrylate, tris, di-ethanol isocyanate vinegar triacrylate S, di, trimethyl propylene propylene propylene vinegar, diisodecyl pentoxide Acetone, barium bismuth citrate, pentaerythritol tetraacetate, trihexaerythritol hexaacetate, hexaisopentyl, multi-goose monomer, dendrimer/multifilament propylene _ oligos, multi-cluster depolymerization The method for producing a touch panel according to claim 31, wherein the gluten monomer rides on the oxyethylene monomer and the propylene-based monomer. 4. For example, the manufacturing method of the red slab of the sputum patent (4)% item, wherein the molecular formula of the polyoxyethylene monomer is: 0 II c——c = ch2 Η Ο H2c{ 〇—C2—all 〇 — R—C— C — C4:0— c—c = ch2 HC—C = CH2 II H o H2C-^〇— c2— 〇2Λ- 〇— “The value of yz is greater than or equal to zero, and x, y' The sum of z is greater than zero. The molecular formula of the propylene monomer based on the manufacturing method of the touch panel described in claim 33 (4) is: /, 201118504 ο II 〇——c——c = ch2 Η ο— c—c=ch2 II Η ο ο— c—c=ch2 II Η ο where χ, The value of 'y'Z is greater than or equal to zero, respectively, and the sum of x, y, Z is greater than zero. The method for manufacturing a touch panel as described in claim 28, wherein the ether, the oxime is ethylene glycol propyl ether, diglyme, tetrahydrofuran, ethylene glycol, and alcohol B, diethylene glycol scream, diethylene glycol monoethyl ether, diethylene glycol monobutyl ester and propanol oxime ether acetate, propylene glycol ethyl ether acetate, propylene glycol propyl ether acetate ethoxy ethoxy propionate One or a mixture thereof. The method of manufacturing a touch panel according to claim 28, wherein the 4' force 17 is a nonionic surfactant. The method of manufacturing the touch panel of claim 27, wherein the step of forming the transparent protective layer comprises: applying a photosensitive resin solution to the touch unit; and curing the A photosensitive resin solution is formed to form the transparent protective layer. 39. The method of manufacturing a touch panel according to claim 38, wherein the method of applying the photosensitive resin solution to the touch unit comprises a roll coating, a printing, a spin coating or a slit coating . 40. The method of manufacturing a touch panel according to claim 38, wherein the step of curing the photosensitive resin solution comprises performing an ultraviolet curing process and/or a heat curing process. 19