Coloring composition, cured film, color filter, method of manufacturing color filter, solid image pickup element, and image display apparatus

Patent metadata

Field	Value
Publication number	US-10444625-B2
Application number	US-201715427226-A
Country	US
Kind code	B2
Filing date	Feb 8, 2017
Priority date	Sep 3, 2014
Publication date	Oct 15, 2019
Grant date	Oct 15, 2019

Abstract

The coloring composition includes a curable compound and a colorant represented by (D-L1-Y—X—)n—R1—(R2)m; R1 represents a (m+n)-valent linking group, X represents —C(═O)O—, Y represents an alkylene group, L1 represents a single bond or a divalent linking group, D represents a colorant structure. R2 represents a monovalent substituent, m represents an integer of 1 to 13, n represents an integer of 2 to 14, m+n represents an integer of 3 to 15, L1 (in a case where L1 represents a single bond, D) and X are separated by Y by a distance of three or more carbon atoms, and at least one of D, L1, R1, R2, X, or Y has an acid group.

First claim

What is claimed is:

1. A coloring composition comprising a curable compound and a colorant represented by the following Formula (1),
(D-L 1 -Y—X—) n —R 1 —(R 2 ) m ,  Formula (1):

in Formula (1), R 1 represents a (m+n)-valent linking group, X represents —C(═O)O—, —C(═O)—, —C(═O)NR 10 —, —O—, —S(═O)—, or —SO 2 —, R 10 represents a hydrogen atom or an alkyl group, Y represents an alkylene group, L 1 represents a single bond or a divalent linking group, D represents a colorant structure, R 2 represents a monovalent substituent, m represents an integer of 1 to 13, n represents an integer of 2 to 14, m+n represents an integer of 3 to 15, in a case where m represents 2 or more, plural R 2 's may be different from each other, in a case where n represents 2 or more, plural D's may be different from each other, in a case where L 1 represents a divalent linking group, L 1 and X are separated by Y by a distance of three or more carbon atoms, in a case where L 1 represents a single bond, D and X are separated by Y by a distance of three or more carbon atoms, and at least one of D, L 1 , R 1 , R 2 , X, or Y has an acid group.

2. The coloring composition according to claim 1 ,
wherein D in Formula (1) is derived from a colorant selected from the group consisting of a dipyrromethene colorant, a triarylmethane colorant, a xanthene colorant, a cyanine colorant, a squarylium colorant, an anthraquinone colorant, a quinophthalone colorant, a phthalocyanine colorant, a subphthalocyanine colorant, and an azo colorant.

3. The coloring composition according to claim 1 ,
wherein D in Formula (1) has a cation site and a counter anion or has a cation site and an anion site in one molecule,
the counter anion is at least one selected from the group consisting of a sulfonic acid anion, a sulfonyl imide anion, a bis(alkylsulfonyl)imide anion, a tris(alkylsulfonyl)methide anion, a carboxylic acid anion, a tetraaryl borate anion, BF 4 − , PF 6 − , and SbF 6 − , and
the anion site is a sulfonyl imide anion.

4. The coloring composition according to claim 1 ,
wherein Y in Formula (1) represents an unsubstituted linear alkylene group.

5. The coloring composition according to claim 1 ,
wherein R 2 in Formula (1) includes a repeating unit derived from a vinyl compound having an acid group.

6. The coloring composition according to claim 1 ,
wherein R 2 's in Formula (1) include repeating units, and
an average number of the repeating units is 2 to 20.

7. The coloring composition according to claim 1 ,
wherein X in Formula (1) represents *—C(═O)O—#,
* is bonded to Y, and
# is bonded to R 1 .

8. The coloring composition according to claim 1 ,
wherein the colorant represented by Formula (1) includes a group having an ethylenically unsaturated bond.

9. The coloring composition according to claim 1 ,
wherein R 2 in Formula (1) includes a group having an ethylenically unsaturated bond.

10. The coloring composition according to claim 1 ,
wherein R 1 in Formula (1) represents
a linking group represented by the following Formula (2),
a linking group represented by the following Formula (3),
a linking group which has a main chain including plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located,
a linking group which has a main chain including one heteroatom and plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, or
a linking group which has a main chain including at least two heteroatoms and plural carbon atoms in which the main chain includes at least one portion where the heteroatoms are separated by three or more continuous carbon atoms,

in Formula (2), Z's each independently represent CR 20 or N, L 2 's each independently represent a single bond or a p-valent linking group, R 20 represents a hydrogen atom or a substituent, a represents an integer of 1 to 6, p represents an integer of 2 or more, and in a case where L 2 represents a p-valent linking group, L 2 represents a linking group which has a main chain including plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, a linking group which has a main chain including one heteroatom and plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, or a linking group which has a main chain including at least two heteroatoms and plural carbon atoms in which the main chain includes at least one portion where the heteroatoms are separated by three or more continuous carbon atoms, and

in Formula (3), L 3 's each independently represent a single bond or a q-valent linking group, q represents an integer of 2 or more, and in a case where L 3 represents a q-valent linking group, L 3 represents a linking group which has a main chain including plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, a linking group which has a main chain including one heteroatom and plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, or a linking group which has a main chain including at least two heteroatoms and plural carbon atoms in which the main chain includes at least one portion where the heteroatoms are separated by three or more continuous carbon atoms.

11. The coloring composition according to claim 1 ,
wherein L 1 in Formula (1) represents
a single bond,
—S—,
a linking group which has a main chain including plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located,
a linking group which has a main chain including one heteroatom and plural carbon atoms in which the main chain includes at least one portion where three or more carbon atoms are continuously located, or
a linking group which has a main chain including at least two heteroatoms and plural carbon atoms in which the main chain includes at least one portion where the heteroatoms are separated by three or more continuous carbon atoms.

12. The coloring composition according to claim 1 ,
wherein in Formula (1), m represents 1 to 5 and n represents 2 to 8.

13. The coloring composition according to claim 1 ,
wherein a weight average molecular weight of the colorant represented by Formula (1) is 2000 to 15000.

14. The coloring composition according to claim 1 , further comprising a pigment other than the colorant represented by Formula (1).

15. The coloring composition according to claim 1 , further comprising a photopolymerization initiator.

16. The coloring composition according to claim 1 which is used for forming a colored layer of a color filter.

17. A cured film which is obtained by curing the coloring composition according to claim 1 .

18. A color filter which is obtained using the coloring composition according to claim 1 .

19. A solid image pickup element comprising the color filter according to claim 18 .

20. An image display apparatus comprising the color filter according to claim 18 .

21. A method of manufacturing a color fil

Assignees

• Fujifilm Corp

Inventors

• SAMEJIMA Suguru
• Harada Masayuki
• Idei Hiroaki
• Oota Kazuya

Classifications

• C08F220/283

  and containing one or more carboxylic moiety in the chain, e.g. acetoacetoxyethyl(meth)acrylate · CPC title

• C08F222/105

  of pentaalcohols · CPC title

• C08F222/104

  of tetraalcohols, e.g. pentaerythritol tetra(meth)acrylate · CPC title

• C08F220/382

  and containing oxygen, e.g. 2-sulfoethyl (meth)acrylate · CPC title

• C08F222/103

  of trialcohols, e.g. trimethylolpropane tri(meth)acrylate · CPC title