Color material dispersion liquid, photosensitive colored resin composition, color filter, liquid crystal display equipment, and organic light emitting display equipment

一种彩色滤光片、树脂组合物的技术，应用在色材分散液、感光性着色树脂组合物、彩色滤光片、液晶显示设备、及有机发光显示设备领域，能够解决着色树脂层剥离等问题，达到亮度高、溶剂再溶解性优异、色材分散稳定性优异的效果

Active Publication Date: 2020-06-02
DNP FINE CHEMICALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, if the concentration of the coloring material is increased and the content of the dispersant is increased, the amount of the binder is relatively reduced, so the problem that the colored resin layer is easily peeled off from the base substrate during development occurs.

Method used

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  • Color material dispersion liquid, photosensitive colored resin composition, color filter, liquid crystal display equipment, and organic light emitting display equipment
  • Color material dispersion liquid, photosensitive colored resin composition, color filter, liquid crystal display equipment, and organic light emitting display equipment
  • Color material dispersion liquid, photosensitive colored resin composition, color filter, liquid crystal display equipment, and organic light emitting display equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0576] Examples are shown below to specifically describe the present invention. The present invention is not limited by these descriptions.

[0577] The acid value of the block copolymer before salt formation and the acid value of the salt-type block copolymer formed from the compound represented by the above general formula (2) are obtained by a method based on the method described in JIS K 0070 have to.

[0578] The amine value of the block copolymer before salt formation and the amine value of the salt-type block copolymer formed from the compound represented by the above general formula (2) are determined by the method based on the method described in JIS K 7237 have to.

[0579] The glass transition temperature (Tg) of the block copolymer before and after salt formation was measured by differential scanning calorimetry (DSC) (manufactured by SII Nano Technology Co., Ltd., EXSTARDSC 7020) for determination.

[0580] The weight average molecular weight (Mw) of the block...

Embodiment I

[0596] Example I Series: First Aspect of the Invention

Synthetic example 1

[0597] (Synthesis Example 1: Production of Block Copolymer A-1)

[0598]250 parts by mass of THF and 0.6 parts by mass of lithium chloride were added to a 500 mL round-bottomed four-necked separable flask equipped with a cooling tube, a funnel for addition, an air inlet for nitrogen, a mechanical stirrer, and a digital thermometer, and nitrogen replacement was sufficiently performed. . After cooling the reaction flask to -60°C, 4.9 parts by mass of butyllithium (15% by mass hexane solution), 1.1 parts by mass of diisopropylamine, and 1.0 parts by mass of methyl isobutyrate were injected using a syringe. 0.37 parts by mass of 1-ethoxyethyl methacrylate (EEMA), 18.6 parts by mass of 2-ethylhexyl methacrylate (EHMA), n-butyl methacrylate as monomers for the B block (BMA) 15.4 mass parts, benzyl methacrylate (BzMA) 9.5 mass parts, and methyl methacrylate (MMA) 29.3 mass parts were dripped over 60 minutes using the addition funnel. After 30 minutes, 27.0 parts by mass of dimethyl...

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Abstract

Excellent adhesion excellent composition. A color material dispersion liquid for a color filter of the present invention is a color material dispersion liquid containing a color material, a dispersant, and a solvent; the dispersant is at least one of the following block copolymer (P1) and the following salt-type block copolymers (P2); P1: a block copolymer having an A block containing a structuralunit represented by the following general formula (I) and a B block containing a structural unit derived from a carboxyl group-containing monomer; P2: salt-type block copolymer of salt, in which at least a part of the nitrogen portion of the terminal of the structural unit represented by the general formula (I) of the block copolymer, and one or more compounds selected from the group consisting of compounds represented by the following general formulas (1) to (3), the acid value of the dispersant is 1 to 18 mgKOH / g, and the glass transition temperature of the dispersant is above 30 DEG C.

Description

[0001] The application date is December 22, 2015, the application number is 201580065051.5, and the invention name is "color material dispersion liquid, photosensitive coloring resin composition, color filter, liquid crystal display device, and organic light-emitting display device" Divisional application of the application. technical field [0002] The invention relates to a color material dispersion liquid for a color filter, a photosensitive colored resin composition for a color filter, a color filter, a liquid crystal display device, and an organic light-emitting display device. Background technique [0003] In recent years, with the development of personal computers, especially portable personal computers, the demand for liquid crystal displays has increased. The penetration rate of mobile displays (mobile phones, smartphones, and tablet PCs) is also increasing, and the market for liquid crystal displays is expanding. In addition, recently, an organic light-emitting di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/004G03F7/027G02B5/20G02F1/1335
CPCG02F1/1335G03F7/004G02B5/20H05B33/12
Inventor 长井健朗中村和彦冢本力飞五十岚一贵上森理惠市川裕司
Owner DNP FINE CHEMICALS CO LTD
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