Colored composition, cured film, color filter, color-filter manufacturing method, solid-state imaging element, image display device, polymer, and xanthene dye

Patent metadata

Field	Value
Publication number	US-2016154303-A1
Application number	US-201615014756-A
Country	US
Kind code	A1
Filing date	Feb 3, 2016
Priority date	Sep 6, 2013
Publication date	Jun 2, 2016
Grant date	—

Abstract

A colored composition of the present invention includes a dye compound having an anionic moiety including at least one of a structure represented by the following General Formula (A1), a structure represented by the following General Formula (A2), and a structure containing a boron atom, and a dye structure having a cationic moiety, in which the anionic moiety and the cationic moiety are bonded to each other via a covalent bond and present in the same molecule; a curable compound; and a solvent.

(in General Formula (A1), R 1 and R 2 each independently represent —SO 2 — or —CO—)

(in General Formula (A2), R 4 represents —SO 2 — or —CO—; and R 4 and R 5 each independently represent —SO 2 —, —CO—, or —CN)

First claim

What is claimed is:

1 . A colored composition comprising:
a dye compound having
a dye structure having a cationic moiety, and
an anionic moiety including at least one of a structure represented by the following General Formula (A1), a structure represented by the following General Formula (A2), and a structure containing a boron atom,
in which the anionic moiety and the cationic moiety are bonded to each other via a covalent bond and present in the same molecule:
a curable compound; and a solvent.

(in General Formula (A1), R 1 and R 2 each independently represent —SO 2 — or —CO—)

(in General Formula (A2), R 3 represents —SO 2 — or —CO—; R 4 and R 5 each independently represent —SO 2 —, —CO—, or —CN)

2 . The colored composition according to claim 1 , wherein the dye structure having a cationic moiety has a dye structure selected from a xanthene dye, a cyanine dye, a squarylium dye, and a dipyrromethene dye.

3 . The colored composition according to claim 1 , wherein the dye structure having a cationic moiety is a xanthene structure.

4 . The colored composition according to claim 1 wherein the anionic moiety has a structure in which at least any one of a fluorine atom, an aliphatic hydrocarbon group containing a fluorine atom, an aromatic hydrocarbon group containing a fluorine atom, an aromatic hydrocarbon group containing a nitro group, and an aromatic hydrocarbon group containing a cyano group is directly bonded to at least one of R 1 to R 5 in the structure represented by General Formula (A1) or General Formula (A2) via a covalent bond.

5 . The colored composition according to claim 1 , wherein the anionic moiety has a structure represented by the following General Formula (A3-1) or (A3-2).

(in General Formula (A3-1), L 1 represents —SO 2 — or —CO—; G represents a carbon atom or a nitrogen atom; n1 represents 2 in the case where G is a carbon atom and represents 1 in the case where G is a nitrogen atom; R 6 represents an alkyl group containing a fluorine atom, an aryl group containing a fluorine atom, an aryl group containing a nitro group, or an aryl group containing a cyano group; in the case where n1 is 2, two R 6 's may be the same as or different from each other; and * represents a site bonding to another site)

(in General Formula (A3-2), L 1 represents —SO 2 — or —CO—; G represents a carbon atom or a nitrogen atom n1 represents 2 in the case where G is a carbon atom and represents 1 in the case where G is a nitrogen atom; R 7 represents an alkylene group containing a fluorine atom, an arylene group containing a fluorine atom, an arylene group containing a nitro group, or an arylene group containing a cyano group; * represents a site bonding to another site; and in the case where n1 is 2, two R 7 's may be the same as or different from each other)

6 . The colored composition according to any one of claim 1 , wherein the dye compound is a dye multimer having two or more dye structures having a cationic moiety in the molecule.

7 . The colored composition according to claim 6 , wherein the dye compound is a polymer having a repeating unit represented by General Formula (A4-1) and/or General Formula (A4-3).

(in General Formula (A4-1), one of R 10 to R 14 is a repeating unit represented by the following General Formula (A4-1-2), at least one of R 10 to R 14 is a group represented by the following General Formula (A4-1-1), and the remainders of R 10 to R 14 each independently represent a hydrogen atom, an aliphatic hydrocarbon group, or an aromatic hydrocarbon group)

(in General Formula (A4-1-1), L 1 represents a single bond or a divalent linking group; L 2 represents —SO 2 — or —CO—; G represents a carbon atom or a nitrogen atom; n1 represents 2 in the case where G is a carbon atom and represents 1 in the case where G is a nitrogen atom R 6 represents an alkyl group containing a fluorine atom or an aryl group containing a fluorine atom; and in the case where n1 is 2, two R 6 's may be the same as or different from each other)

(in General Formula (A4-1-2), L 11 represents a single bond or a divalent linking group; and R X represents a hydrogen atom, a methyl group, a hydroxymethyl group, or an alkoxymethyl group)

(in General Formula (A4-3), four of R 10 to R 14 each independently represent a hydrogen atom, an aliphatic hydrocarbon group, or an aromatic hydrocarbon group, and one of R 10 to R 14 is a repeating unit represented by the following General Formula (A4-3-1))

(in General Formula (A4-3-1), L 1 represents a single bond or a divalent linking group; L 2 represents —SO 2 — or —CO—; L 3 represents a divalent linking group; G represents a carbon atom or a nitrogen atom; in the case where G is a carbon atom, n2 represents 1, and in the case where G represents a nitrogen atom, n2 represents 0; R 7A and R 7B each independently represent an alkylene group containing a fluorine atom or an arylene group containing a fluorine atom; and R X represents a hydrogen atom, a methyl group, a hydroxymethyl group, or an alkoxymethyl group)

8 . The colored composition according to claim 7 , wherein the dye compound is a polymer having the repeating unit represented by General Formula (A4-3).

9 . The colored composition according to claim 1 , wherein the dye compound has a polymerizable group.

10 . The colored composition according to claim 1 , wherein the dye compound has an alkali-soluble group.

11 . The colored composition according to claim 1 , further comprising a photopolymerization initiator.

12 . The colored composition according to claim 1 , further comprising a pigment having a phthalocyanine skeleton.

13 . A cured film obtained by curing the colored composition according to claim 1 .

14 . A color filter comprising the cured film according to claim 13 .

15 . A method for manufacturing a color filter, comprising:
applying the colored composition according to claim 1 onto a support to form a colored composition layer; patternwise exposing the colored composition layer; and developing an unexposed area of the exposed colored composition layer.

16 . A method for manufacturing a color filter, comprising:
applying the colored composition according to claim 1 onto a support to form a colored composition layer and curing the colored composition layer to form a colored layer; forming a photoresist layer on the colored layer; patterning the photoresist layer by exposure and development to obtain a resist pattern; and dry-etching the colored layer using the resist pattern as an etching mask.

17 . A solid-state imaging e

Assignees

• Fujifilm Corp

Inventors

• Itou Junichi
• Hara Akihiro
• Oota Kazuya
• Kaneko Yushi
• Sasaki Daisuke

Classifications

• G03F7/105

  having substances, e.g. indicators, for forming visible images · CPC title

• G03F7/0007 Primary

  Filters, e.g. additive colour filters; Components for display devices · CPC title

• G02B5/223

  containing organic substances, e.g. dyes, inks or pigments · CPC title

• C09B69/109

  containing other specific dyes · CPC title

• C09B69/105

  containing a methine or polymethine dye · CPC title