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Radiation sensitive composition for color filters, method for the preparation of the same and color liquid crystal display device

A radiation-sensitive, color filter technology, applied in the field of color liquid crystal display devices, color filters and color liquid crystal display devices, can solve problems such as coating damage, poor transmission and homogenization characteristics, and formation of streaks

Active Publication Date: 2006-06-07
JSR CORPORATIOON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even with slot coating technology without rotation, the transfer and homogenization characteristics are worsened, resulting in coating damage such as non-uniformities in film thickness or streak formation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0188] 2.7 parts by weight of 2,2'-azobis(2,4-dimethylvaleronitrile) and 200 parts by weight of diethylene glycol monomethyl ether acetate were transferred to a flask with a cooling tube and a stirrer, Then the methacrylic acid of 15 parts by weight, the N-phenylmaleimide of 25 parts by weight, the benzyl methacrylate of 45 parts by weight, the styrene of 15 parts by weight and the α-methylbenzene of 5 parts by weight Ethylene dimer (chain transfer agent) was transferred to the flask, the inside of the flask was replaced with nitrogen, and the reaction solution was heated at 80°C and maintained at this temperature for 3 hours while stirring gently to allow it to polymerize . Afterwards, the reaction solution was further heated at 100°C, 0.5 parts by weight of 2,2'-azobis(2,4-dimethylvaleronitrile) was added, and the polymerization was continued for 1 hour to obtain a resin solution (33.1 wt% solids content). The resulting resin had a Mw of 15000 and a Mn of 7000. This resin...

Embodiment 2

[0190] 1.5 parts by weight of 2,2'-azobis(2,4-dimethylvaleronitrile) and 200 parts by weight of diethylene glycol monomethyl ether acetate were transferred to a flask with a cooling tube and a stirrer, Then the methacrylic acid of 20 parts by weight, the N-phenylmaleimide of 25 parts by weight, the benzyl methacrylate of 30 parts by weight, the glycerol monomethacrylate of 10 parts by weight, the benzene of 15 parts by weight Ethylene and 2.5 parts by weight of α-methylstyrene dimer (chain transfer agent) were delivered to the flask, replaced with nitrogen in the flask, and the reaction solution was heated at 80° C., and the temperature was maintained for 3 hours , while stirring gently to allow it to polymerize. Thereafter, the reaction solution was further heated at 100° C., 0.3 parts by weight of 2,2′-azobis(2,4-dimethylvaleronitrile) was added, and the polymerization was continued for 1 hour to obtain a resin solution (33.0 wt% solids content). The resulting resin had a ...

Embodiment 3

[0192]2.7 parts by weight of 2,2'-azobis(2,4-dimethylvaleronitrile) and 200 parts by weight of diethylene glycol monomethyl ether acetate were transferred to a flask with a cooling tube and a stirrer, Then 25 parts by weight of methacrylic acid, 75 parts by weight of benzyl methacrylate and 5 parts by weight of α-methylstyrene dimer (chain transfer agent) are delivered to the flask, which is replaced by nitrogen gas. , and the reaction solution was heated at 80° C. and maintained at this temperature for 3 hours with gentle stirring to allow polymerization. Thereafter, the reaction solution was further heated at 100° C., 0.3 parts by weight of 2,2′-azobis(2,4-dimethylvaleronitrile) was added, and the polymerization was continued for 1 hour to obtain a resin solution (33.2 wt% solids content). The resulting resin had a Mw of 17000 and a Mn of 8600. This resin was named resin (B-3).

[0193] Example 1

[0194] The mixed solution included, as pigment (A), 30 parts by weight of...

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PUM

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Abstract

A radiation sensitive composition for color filters, which can provide red pixels having high transmittance and high contrast ratio and have rheological characteristics being suitable for the application of a large-sized substrate. The radiation sensitive composition comprises (A) a pigment, (B) a dispersant, (C) an alkali-soluble resin composed of a copolymer of (c1) a carboxyl group-containing unsaturated monomer containing (meth)acrylic acid, (c2) an N-substituted maleimide and (c3) at least one selected from the group consisting of styrene, &agr;-methylstyrene, p-hydroxy-&agr;-methylstyrene, methyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, allyl (meth)acrylate, benzyl (meth)acrylate, glycerol mono(meth)acrylate, polystyrene macromonomer and polymethyl methacrylate macromonomer, (D) a polyfunctional monomer, (E) a radiation sensitive radical generator and (F) a solvent, wherein the pigment (A) contains 20 wt% or more of C.I. Pigment Red 242 and has an average particle diameter "r" (nm) of 50 to 200.

Description

technical field [0001] The present invention relates to radiation-sensitive composition for color filter, its preparation method, color filter and color liquid crystal display device. More particularly, it relates to a radiation-sensitive composition for color filters, which can be used for the manufacture of color filters used in transmissive and reflective color liquid crystal display devices and color image pickup devices, and to methods for their preparation , a color filter having red pixels composed of a radiation-sensitive composition for the color filter, and a color liquid crystal display device having the color filter. Background technique [0002] As a method of producing a color filter using a colored radiation-sensitive composition, there is known a method of forming a coating of the colored radiation-sensitive composition on a substrate or a substrate including a light-shielding layer having a desired pattern, passing through a mask having a desired pattern Ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/20
CPCG02B5/201G03F7/0007G03F7/004G03F7/0045G03F7/027G03F7/033G03F7/038
Inventor 槙平勇成濑真吾长塚富雄M·吉原
Owner JSR CORPORATIOON
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