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Adamantane derivative monomer, color photoresist and preparation method thereof, color filter

A technology of color photoresist and derivatives, which is applied in the field of photoresist, can solve the problems of color photoresist’s influence on transmittance and poor heat resistance, and achieve the effect of improving transmittance and enhancing heat resistance

Active Publication Date: 2019-12-13
FUYANG XINYIHUA MATERIAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the above-mentioned color photoresist components, the polyfunctional monomers are mostly dipentaerythritol pentahexaacrylate polyfunctional monomers, but due to the poor heat resistance of this type of polyfunctional monomers, the The transmittance of the color photoresist after the high temperature post-bake step is also affected

Method used

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  • Adamantane derivative monomer, color photoresist and preparation method thereof, color filter
  • Adamantane derivative monomer, color photoresist and preparation method thereof, color filter
  • Adamantane derivative monomer, color photoresist and preparation method thereof, color filter

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preparation example Construction

[0056] Such as figure 1 As shown, the embodiment of the present invention also provides a preparation method of a color photoresist, which adopts the color photoresist described in the above-mentioned embodiment, comprising the following steps:

[0057] Step 1: Add the pigment dispersion into the container;

[0058] In this step, the pigment dispersion liquid to be used is firstly added into the container, wherein the added pigment dispersion liquid may be one or more pigment dispersion liquids to be used. It can be understood that the amount of pigment dispersion liquid required in each color photoresist is different. Therefore, those skilled in the art can select an appropriate weight portion of pigment dispersion liquid within the above range according to the requirements of the process.

[0059] Step 2: Under stirring, add alkali-soluble resin, multifunctional monomer, photoinitiator and solvent to the container in sequence, and continue stirring at room temperature for 6...

Embodiment 1

[0066] In parts by weight, first add 30 parts of red pigment dispersion into the bottle, and then add 10 parts of alkali-soluble resin, 1 part of dipentaerythritol pentahexaacrylate monomer, 4 parts of 1,3 , 5,7-tetra(acrylate) adamantane, 1 part of photoinitiator, 1 part of additive, 53 parts of solvent, and continue to stir at room temperature at 80r / min for 6 hours to prepare a red photoresist.

Embodiment 2

[0070] In parts by weight, first add 15 parts of green pigment dispersion and 10 parts of yellow pigment dispersion into the bottle, and then add 12 parts of alkali-soluble resin, 1 part of dipentaerythritol pentahexaacrylic acid under stirring at 120r / min Monomer, 4 parts of 1,3,5,7-tetra(acrylate) adamantane, 1 part of photoinitiator, 1 part of additive, 56 parts of solvent, and continue stirring at room temperature at 120r / min for 7 hours to prepare a green Photoresist.

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Abstract

The invention provides an adamantane derivative monomer, color photoresist, a preparation method for the color photoresist, and a color filter, and belongs to the technical field of photoresist. The adamantane derivative monomer can improve the heat resistance of the color photoresist used for a color layer and effectively enhance the transmittance of the color photoresist. The adamantane derivative monomer has a structure with a formula (I) defined in the specification. The adamantane derivative monomer can be used in a preparation process for the color photoresist.

Description

technical field [0001] The invention relates to the technical field of photoresists, in particular to an adamantane derivative monomer, a color photoresist, a preparation method thereof, and a color filter. Background technique [0002] The color filter is a key component for liquid crystal display to achieve colorization, and it is also a key component with high cost in liquid crystal display. The color photoresist used to prepare the color layer in the color filter usually includes pigment dispersion liquid, alkali-soluble resin, multifunctional monomer, photoinitiator and solvent and other components. [0003] In the above-mentioned color photoresist components, the polyfunctional monomers are mostly dipentaerythritol pentahexaacrylate polyfunctional monomers, but due to the poor heat resistance of this type of polyfunctional monomers, the The transmittance of the color photoresist after the high temperature post-bake step is also affected. Therefore, how to improve the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03F7/027G03F7/004G02B5/20C07C69/54
CPCC07C69/54G02B5/20G03F7/004G03F7/027
Inventor 唐琛李琳王雪岚
Owner FUYANG XINYIHUA MATERIAL TECH
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