JP2017002191A5 - - Google Patents

Description

The colored resin composition for a color filter according to the present invention contains the color material dispersion according to the present invention and (D) a binder component.
In the color material dispersion according to the present invention and the colored resin composition for a color filter according to the present invention, the mixing ratio of the solvent (1) and the solvent (2) is a mass ratio, and the solvent (1): solvent (2) = 90: 10 to 50:50 is preferable.

Claims (12)

(A) A coloring material, (B) a dispersant, and (C) a solvent, wherein the (B) dispersant is a structural unit represented by the following general formula (I), and the following general formula ( I ′) is a polymer having one or more selected from structural units represented by formula (I)), and the solvent (C) has an SP value of 8.6 (cal / cm ³ ) ^1/2 or more and 9.4 (cal / Cm ³ ) ^1/2 or less solvent (1), SP value 7.8 (cal / cm ³ ) ^1/2 or more and 8.6 (cal / cm ³ ) ^{1/2 or} less solvent (2) A colorant dispersion containing

(In General Formula (I) and General Formula (I ′), L ¹ is a direct bond or a divalent linking group, R ¹ is a hydrogen atom or a methyl group, R ² is a hydroxyl group, a hydrocarbon group, — [ _{^{CH (R 3) -CH (R}} 4) -O] x1 -R 5, - [(CH 2) y1 -O] z1 -R 5, or a monovalent group represented by ^{-O-R 6,} R ⁶ is a hydrocarbon _{^{group, - [CH (R 3)}} -CH (R 4) -O] x1 -R 5, - [(CH 2) y1 -O] z1 -R 5, -C (R 7) ^{(R 8) -C (R 9} ) (R 10) -OH, or _a monovalent group represented by ^{-CH 2 -C (R 11) (} R 12) -CH 2 -OH.
R ³ and R ⁴ are each independently a hydrogen atom or a methyl group, and R ⁵ is a hydrogen atom, a hydrocarbon group, —CHO, —CH ₂ CHO, —CO—CH═CH ₂ , —CO—C ( CH ₃ ) ═CH ₂ or a monovalent group represented by —CH ₂ COOR ¹³ , and R ¹³ is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. R ⁷ , R ⁸ , R ⁹ , R ¹⁰ , R ¹¹ and R ¹² are each independently a hydrogen atom, a hydrocarbon group, or a hydrocarbon group having one or more selected from an ether bond and an ester bond. And R ⁷ and R ⁹ may combine with each other to form a ring structure. When the cyclic structure is formed, the cyclic structure may further have a substituent R ¹⁴ , and R ¹⁴ is a hydrocarbon group, or a carbonization having at least one selected from an ether bond and an ester bond. It is a hydrogen group. The hydrocarbon group may have a substituent. In the general formula (I ′), X ⁺ represents an organic cation. x1 represents an integer of 1 to 18, y1 represents an integer of 1 to 5, and z1 represents an integer of 1 to 18. )   2. The colorant dispersion according to claim 1, wherein a mixing ratio of the solvent (1) and the solvent (2) is a mass ratio, and is solvent (1): solvent (2) = 90: 10 to 50:50. The dispersant (B) is one or more selected from the structural unit represented by the general formula (I) and the structural unit represented by the general formula (I ′), and the following general formula (II): Or a structural unit represented by the general formula (I) and a structural unit represented by the general formula (I ′). The colorant dispersion according to claim 1 or 2 , which is a block copolymer having one or more kinds and a structural unit represented by the following general formula (III).

(In General Formula (II), L ² is a direct bond or a divalent linking group, R ²¹ is a hydrogen atom or a methyl group, and Polymer is a polymer chain having a structural unit represented by the following General Formula (IV) Represents.
In General Formula (III), R ²² is a hydrogen atom or a methyl group, R ²³ is a hydrocarbon group, — [CH (R ²⁴ ) —CH (R ²⁵ ) —O] _{x 2} —R ²⁶ , — [(CH ^{_{2) y2 -O] z2 -R 26}} , - [CO- (CH 2) y2 -O] z2 -R 26, -CO-O-R 26 ' or a monovalent represented by ^{-O-CO-R 26 "} R ²⁴ and R ²⁵ are each independently a hydrogen atom or a methyl group, R ²⁶ is a hydrogen atom, a hydrocarbon group, a monovalent group represented by —CHO, —CH ₂ CHO or —CH ₂ COOR ²⁷ R ^{26 ′} is a hydrocarbon group, — [CH (R ²⁴ ) —CH (R ²⁵ ) —O] _{x2 ′} —R ²⁶ , — [(CH ₂ ) _y2′— O] _z2′— R ^26. _{, - [CO- (CH 2)} y2 is a monovalent group represented by ^{_{'-O] z2' -R 26,}} R 2 ^"Is an alkyl ^{radical, R 27} represents a hydrogen atom or an alkyl group of 1 to 5 carbon atoms having 1 to 18 carbon atoms. The hydrocarbon group may have a substituent.
x2 and x2 ′ are integers of 1 to 18, y2 and y2 ′ are integers of 1 to 5, and z2 and z2 ′ are integers of 1 to 18. )

(In the general formula (IV), R ³¹ is a hydrogen atom or a methyl group, R ³² is a hydrocarbon group, — [CH (R ³³ ) —CH (R ³⁴ ) —O] _{x 3} —R ³⁵ , — [( ^{_{CH 2) y3 -O] z3 -R}} 35, - [CO- (CH 2) y3 -O] z3 -R 35, 1 monovalent represented by ^{-CO-O-R 36} or ^{-O-CO-R 37} Group, R ³³ and R ³⁴ are each independently a hydrogen atom or a methyl group, R ³⁵ is a hydrogen atom, a hydrocarbon group, a monovalent group represented by —CHO, —CH ₂ CHO or —CH ₂ COOR ³⁸ , R ³⁶ is a hydrocarbon _{^{group, - [CH (R 33)}} -CH (R 34) -O] x4 -R 35, - [(CH 2) y4 -O] z4 -R 35, - [CO- (CH _{2) y4 -O]} 1 monovalent group represented by z4 ^{-R 35, R 37} is 1 to 18 carbon atoms R ³⁸ is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and the hydrocarbon group may have a substituent.
n shows the integer of 5-200. x3 and x4 are integers of 1 to 18, y3 and y4 are integers of 1 to 5, and z3 and z4 are integers of 1 to 18. ) In the dispersant (B), R ² in the general formula (I) and the general formula (I ′) is a hydrocarbon group, — [CH (R ³ ) —CH (R ⁴ ) —O] _x1 — R ^5, _{or, - [(CH 2) y1} -O] a monovalent group represented by z1 -R ^5, colorant dispersion according to any one of claims 1 to 3. The (B) dispersant is a reaction product of a polymer having at least one of an epoxy group and a cyclic ether group in the side chain and an acidic phosphorus compound, and at least a part of the acidic phosphorus compound group forms a salt. The colorant dispersion according to any one of claims 1 to 4 , which may be used. The color material dispersion according to any one of claims 1 to 5 , wherein the (A) color material includes one or more selected from the group consisting of a triarylmethane color material and a xanthene color material. liquid. (A) the coloring material comprises a metal rake colorant basic dye, colorant dispersion according to any one of claims 1 to 6. The color material dispersion liquid according to any one of claims 1 to 7 , wherein the color material (A) includes a color material (A-1) represented by the following general formula (VI).

(In general formula (VI), A is an a-valent organic group in which the carbon atom directly bonded to N has no π bond, and the organic group is saturated aliphatic carbonized at least at the terminal directly bonded to N. aliphatic hydrocarbon radical having a hydrogen group, or an aromatic group having the aliphatic hydrocarbon group, O in the carbon chain, S, may be contained N is .B ^c-'s c-valent poly R ^{i to} R ^v each independently represents a hydrogen atom, an optionally substituted alkyl group or an optionally substituted aryl group, R ⁱⁱ and R ⁱⁱⁱ , R good .Ar ¹ be ^iv and ^{R v} are bonded to form a ring structure represents a divalent aromatic group which may have a substituent. plural ^R i to R ^v and Ar ¹ each They may be the same or different.
a and c represent an integer of 2 or more, and b and d represent an integer of 1 or more. e is 0 or 1, and when e is 0, there is no bond. A plurality of e may be the same or different. ) A colored resin composition for a color filter, comprising the color material dispersion according to any one of claims 1 to 8 and (D) a binder component. A method for producing a color filter comprising at least a transparent substrate and a colored layer provided on the transparent substrate,
The manufacturing method of a color filter which has the process of forming at least 1 of a colored layer by hardening the colored resin composition for color filters of the said Claim 9 on the transparent substrate. A method for producing a liquid crystal display device, comprising: a step of producing a color filter by the method for producing a color filter according to claim 10; and a step of assembling the produced color filter and a liquid crystal driving substrate to face each other. Method. The method for producing a color filter according to claim 10 includes a step of producing a color filter and a step of disposing the produced color filter on a surface of the substrate having a light emitting layer on the side having the light emitting layer. And manufacturing method of light emitting display device.