Colored radiation-sensitive composition, colored cured film, color filter, colored pattern forming method, color filter production method, solid-state image sensor, and image display device

Patent metadata

Field	Value
Publication number	US-9268063-B2
Application number	US-201414489631-A
Country	US
Kind code	B2
Filing date	Sep 18, 2014
Priority date	Mar 19, 2012
Publication date	Feb 23, 2016
Grant date	Feb 23, 2016

Abstract

Colored radiation-sensitive composition includes (A) a dye multimer, (B) an alkali-soluble resin containing at least one kind of repeating unit selected from a group consisting of a repeating unit represented by the following Formula (b1) and a repeating unit represented by the following Formula (b2), (C) a polymerizable compound, and (D) a photopolymerization initiator. In the formulae, each of R 1 and R 4 independently represents a hydrogen atom, an aryl group, or an alkyl group, and among these, an aryl group is preferable. R 2 represents a hydrogen atom or a methyl group, R 3 represents an alkylene group having 2 or 3 carbon atoms, and m represents an integer from 1 to 15.

First claim

What is claimed is:

1. A colored radiation-sensitive composition comprising:
(A) a dye multimer;
(B) an alkali-soluble resin containing a repeating unit represented by the following Formula (b2);
(C) a polymerizable compound; and
(D) a photopolymerization initiator,

in the Formula (b2), R 2 represents a hydrogen atom or a methyl group; R 3 represents an alkylene group having 2 or 3 carbon atoms; R 4 represents a hydrogen atom, an aryl group, or an alkyl group; m represents an integer from 2 to 15; and plural R 3 s may be the same as or different from each other,
wherein the (A) dye multimer has a partial structure derived from a dye selected from a dipyrromethene dye, an azo dye, a xanthene dye, a cyanine dye, a squarylium dye, a quinophthalone dye, a phthalocyanine dye, and a subphthalocyanine dye.

2. The colored radiation-sensitive composition according to claim 1 ,
wherein the (B) alkali-soluble resin is a polymer containing a repeating unit represented by the following Formula (b2′),

in the Formula (b2′), R 2 represents a hydrogen atom or a methyl group; R 3 represents an alkylene group having 2 or 3 carbon atoms; R 4 ′ represents an aryl group; m represents an integer from 2 to 15; and plural R 3 s may be the same as or different from each other.

3. The colored radiation-sensitive composition according to claim 2 ,
wherein m in the Formula (b2′) represents an integer from 2 to 5.

4. The colored radiation-sensitive composition according to claim 1 ,
wherein m in the Formula (b2) represents an integer from 2 to 5.

5. The colored radiation-sensitive composition according to claim 1 ,
wherein the (B) alkali-soluble resin is a copolymer containing at least one kind of repeating unit represented by the Formula (b2).

6. The colored radiation-sensitive composition according to claim 1 ,
wherein the acid value of the (B) alkali-soluble resin is 50 mg KOH/g to 200 mg KOH/g.

7. The colored radiation-sensitive composition according to claim 1 , further comprising (E) a pigment.

8. The colored radiation-sensitive composition according to claim 7 ,
wherein the (E) pigment is at least one kind of pigment selected from an anthraquinone pigment, a diketopyrrolopyrrole pigment, a phthalocyanine pigment, a quinophthalone pigment, an isoindoline pigment, an azomethine pigment, and a dioxazine pigment.

9. The colored radiation-sensitive composition according to claim 1 ,
wherein the (D) photopolymerization initiator is an oxime compound.

10. The colored radiation-sensitive composition according to claim 1 , that is used for forming a colored layer of a color filter.

11. A colored cured film obtained by curing the colored radiation-sensitive composition according to claim 1 .

12. A color filter comprising the colored cured film according to claim 11 .

13. A solid-state image sensor comprising:
the color filter according to claim 12 .

14. An image display device comprising:
the color filter according to claim 12 .

15. A colored pattern forming method comprising:
forming a colored radiation-sensitive composition layer by applying the colored radiation-sensitive composition according to claim 1 onto a support;
exposing the colored radiation-sensitive composition layer in the form of a pattern; and
forming a colored pattern by developing and removing an unexposed portion.

16. A color filter production method comprising:
forming a colored radiation-sensitive composition layer by applying the colored radiation-sensitive composition according to claim 1 onto a support;
exposing the colored radiation-sensitive composition layer in the form of a pattern; and
forming a colored pattern by developing and removing an unexposed portion.

17. The colored radiation-sensitive composition according to claim 1 ,
wherein the (A) dye multimer contains at least one of the structural units represented by the following Formulae (A) and Formula (C);

in the Formula (A), X 1 represents a linking group formed by polymerization; L 1 represents a single bond or a divalent linking group; and DyeI represents a dye structure,

in the Formula (C), L 3 represents a single bond or a divalent linking group; DyeIII represents a partial structure of a dye; and m represents 0 or 1.

18. The colored radiation-sensitive composition according to claim 1 ,
wherein the (A) dye multimer has an ethylenically unsaturated bond after polymerization.

19. The colored radiation-sensitive composition according to claim 18 ,
wherein the (A) dye multimer has at least one of the structural units represented by the following Formulae (G-1) to (G-15):

20. The colored radiation-sensitive composition according to claim 1 ,
wherein R 4 in Formula (b2) represents a group of the following structure:

21. A colored radiation-sensitive composition comprising:
(A) a dye multimer;
(B) an alkali-soluble resin represented by the following Formula (b2);
(C) a polymerizable compound; and
(D) a photopolymerization initiator,

in the Formula (b2), R 2 represents a hydrogen atom or a methyl group; R 3 represents an alkylene group having 2 or 3 carbon atoms; R 4 represents group of the following structure:

m represents an integer from 1 to 15; and when m is 2 to 15, plural R 3 s may be the same as or different from each other,
wherein the (A) dye multimer has a partial structure derived from a dye selected from a dipyrromethene dye, an azo dye, a xanthene dye, a cyanine dye, a squarylium dye, a quinophthalone dye, a phthalocyanine dye, and a subphthalocyanine dye.

22. The colored radiation-sensitive composition according to claim 21 ,
wherein m in the Formula (b2) represents an integer from 1 to 5.

23. The colored radiation-sensitive composition according to claim 21 ,
wherein the (B) alkali-soluble resin is a copolymer containing at least one kind of repeating unit represented by the Formula (b2).

24. The colored radiation-sensitive composition according to claim 21 ,
wherein the acid value of the (B) alkali-soluble resin is 50 mg KOH/g to 200 mg KOH/g.

25. The colored radiation-sensitive composition according to claim 21 , further comprising (E) a pigment.

26. The colored radiation-sensitive composition according to claim 25 ,
wherein the (E) pigment is at least one kind of pigment selected from an anthraquinone pigment, a diketopyrrolopyrrole pigment, a phthaloc

Assignees

• Fujifilm Corp

Inventors

• Idei Hiroaki
• Kaneko Yushi
• Hitomi Seiichi
• Oota Kazuya
• Murakami Yousuke

Classifications

• G03F7/033 Primary

  the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers · CPC title

• G02B1/04 Primary

  made of organic materials, e.g. plastics (G02B1/08 takes precedence) · CPC title

• C09B69/106

  containing an azo dye · CPC title

• B29D11/00634

  Production of filters · CPC title

• Y10S430/106

  Binder containing · CPC title