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Transparent conductive film

A transparent conductive film and conductive layer technology, which is applied to the conductive layer on the insulating carrier, electrical digital data processing, instruments, etc., can solve the problems of poor visibility and discoloration of the film material, and achieve low surface resistance, good conductivity, The effect of b* value reduction

Active Publication Date: 2019-01-18
山东华科创智技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims at the technical problems that the existing transparent conductive film is coated with a large amount of conductive paste in order to achieve low surface resistance, and then the film material changes color and the visibility is poor, and provides a transparent conductive film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Using PET as a transparent carrier, the silver nanowire slurry is evenly coated on the PET surface by slit coating, the pump speed is 30ml / min, the wet film thickness is 30um, the coating speed is 100cm / min, and the curing temperature is 70°C , forming a uniform conductive layer;

[0049] Take 6 parts of acrylate resin, 90 parts of mixed solvent (ethanol: butanone: ethyl acetate: diethylene glycol monomethyl ether) with a mass ratio of 1:1:1:1, initiators 2, 4, 6 (three Add 2 parts of methylbenzoyl)diphenylphosphine oxide and 2 parts of leveling agent BYK333 into a glass container, stir and mix evenly to obtain a mixed solution, and then add 0.02wt% alkaline Stir the blue 6B blue dyeing agent for 30 minutes to make it evenly mixed to obtain a protective layer coating solution;

[0050] The protective layer coating liquid is coated on the conductive layer by slit coating, the coating speed is 200cm / min, and the curing temperature is 60°C to form a dense protective layer...

Embodiment 2

[0071] Using PET as a transparent carrier, the silver nanowire slurry is evenly coated on the PET surface by slit coating, the pump speed is 50ml / min, the wet film thickness is 40um, the coating speed is 80cm / min, and the curing temperature is 100°C , forming a uniform conductive layer;

[0072] Take 7 parts of acrylate resin, 88 parts of mixed solvent (ethanol: butanone: ethyl acetate: diethylene glycol monomethyl ether) with a mass ratio of 1:1:1:1, initiator 2-hydroxy-2-methyl Add 3 parts of base-1-phenyl-1-acetone and 2 parts of leveling agent BYK306 into a glass container, stir and mix evenly to obtain a mixed solution, and then add bromophenol blue accounting for 0.03wt% of the total mixed solution to the mixed solution Stir the blue dyeing agent for 40 minutes to make it evenly mixed to obtain a protective layer coating solution;

[0073] The protective layer coating solution was coated on the conductive layer by slit coating, the coating speed was 180cm / min, and the c...

Embodiment 3

[0087] Using PET as a transparent carrier, the silver nanowire slurry was evenly coated on the PET surface by slit coating, the pump speed was 55ml / min, the wet film thickness was 45um, the coating speed was 120cm / min, and the curing temperature was 130°C , forming a uniform conductive layer;

[0088] Take 10 parts of acrylate resin, 82 parts of mixed solvent (ethanol: butanone: ethyl acetate: diethylene glycol monomethyl ether) with a mass ratio of 1:1:1:1, initiator 1-hydroxyl-cyclohexyl- Add 5 parts of phenyl ketone and 3 parts of leveling agent Digo 450 into a glass container and stir to mix evenly to obtain a mixed solution, then add bromophenol blue dyeing agent accounting for 0.05wt% of the total mixed solution to the mixed solution Stir for 35 minutes to make it evenly mixed to obtain a protective layer coating liquid;

[0089] The protective layer coating solution was coated on the conductive layer by slit coating, the coating speed was 220cm / min, and the curing temp...

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Abstract

The invention relates to a transparent conductive film, which reduces the b* value of the conductive film by adding a coloring agent and improves the transmittance of the conductive film. The invention provides a transparent conductive film aiming at the technical problems that the color of the film material will be discolored and the visibility will be poor due to the coating of the conductive paste in the prior transparent conductive film. The transparent conductive film comprises a transparent carrier, a conductive layer and a protective layer sequentially coated on the transparent carrier;The protective layer consists of an acrylic resin, a mixed solvent and a dye. According to the CIE Lab* color model (Lab*), based on the human perception of color, the coloring agent corresponding tothe color of the conductive layer is added to the protective layer to compensate the visual effect of discoloration and improve the transmittance of the conductive film.

Description

technical field [0001] The invention relates to the field of conductive films, in particular to a transparent conductive film, which reduces the b* value of the conductive film and improves the transmittance of the conductive film by adding a dye. Background technique [0002] Indium tin oxide (ITO) material, as a traditional conductive material in touch screen technology, has good photoelectric properties, but it is not suitable for flexible touch products due to its poor performance in flexibility and resistance to repeated flexing. In recent years, a wide variety of ITO substitute materials have emerged, such as silver nanowires, gold nanowires, copper nanowires, nickel nanowires, silver nanoparticles, gold nanoparticles, copper nanoparticles, nickel nanoparticles, graphene , Conductive polymer (PEDOT, PSS) materials, etc. Among them, silver nanowires have the high conductivity and excellent flexibility of metallic silver, and the raw materials have a wide range of sourc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B5/14G06F3/041
CPCG06F3/041H01B5/14
Inventor 曾西平靳世东王海波李晓明
Owner 山东华科创智技术有限公司
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