Coloring composition, cured film, color filter, method for manufacturing color filter, solid-state imaging device, image display device, and polymer

Patent metadata

Field	Value
Publication number	US-10875950-B2
Application number	US-201815889720-A
Country	US
Kind code	B2
Filing date	Feb 6, 2018
Priority date	Aug 13, 2015
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

Provided are a coloring composition having excellent heat resistance and solvent resistance, a cured film, a color filter, a method for manufacturing a color filter, a solid-state imaging device, an image display device, and a polymer.
The coloring composition includes a polymer TP consisting only of a repeating unit A having a triarylmethane structure and a repeating unit B having an acid group, and a polymerizable compound, in which the polymer TP contain the repeating unit B in the amount of 12% to 60% by mass with respect to all the repeating units of the polymer TP.

First claim

What is claimed is:

1. A coloring composition comprising:
a polymer TP consisting only of a repeating unit A represented by General Formula (TP3-2), and a repeating unit B having an acid group; and
a polymerizable compound,
wherein the polymer TP contains the repeating unit B in the amount of 12% to 60% by mass with respect to all the repeating units of the polymer TP;

in General Formula (TP3-2), Rtp 21 's each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; Rtp 24 's each independently represent an alkyl group having 1 to 4 carbon atoms; Rtp 25 's each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Rtp 71a represents an alkylene group or an arylene group; Rtp 31 represents a hydrogen atom or a methyl group; L 1 represents a single bond or a divalent linking group; and X represents an anion, or X is not present and at least one of Rtp 21 , Rtp 24 , or Rtp 25 includes an anion.

2. The coloring composition according to claim 1 ,
wherein the weight-average molecular weight of the polymer TP is from 5,000 to 500,000.

3. The coloring composition according to claim 2 , further comprising:
a compound A with a weight-average molecular weight of less than 5,000, having a triarylmethane structure,
wherein the content of the compound A is 20 parts by mass or less with respect to 100 parts by mass of the total amount of the polymer TP and the compound A.

4. The coloring composition according to claim 1 ,
wherein the acid group contained in the repeating unit B is a carboxyl group.

5. The coloring composition according to claim 1 ,
wherein X is selected from a fluorine anion, a chlorine anion, a bromine anion, an iodine anion, a cyanide ion, a perchloric acid anion, a borate anion, PF 6 − and SbF 6 − anions, and a compound having at least one structure selected from —SO 3 − , —COO − , —PO 4 − , a structure represented by General Formula (A1), and a structure represented by General Formula (A2),

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

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

6. The coloring composition according to claim 1 ,
wherein X is a compound including a bis(sulfonyl)imide anion, a tris(sulfonyl)methide anion, or a sulfonic acid anion.

7. The coloring composition according to claim 1 ,
wherein in General Formula (TP3-2), at least one of Rtp 21 , Rtp 24 or Rtp 25 is substituted with General Formula (P);

in General Formula (P), L represents a single bond or a divalent linking group; X 1 represents at least one selected from —SO 3 − , —COO − , —PO 4 − , a group including the structure represented by General Formula (A1), and a group including the structure represented by General Formula (A2);

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

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

8. The coloring composition according to claim 1 ,
wherein the repeating unit A is represented by General Formula (TP3-3);

in General Formula (TP3-3), Rtp 21 's each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; Rtp 24 's each independently represent an alkyl group having 1 to 4 carbon atoms; Rtp 25 's each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; Rtp 31 represents a hydrogen atom or a methyl group; and X represents an anion.

9. The coloring composition according to claim 1 ,
wherein the repeating unit B is represented by General Formula (B-1);

in General Formula (B-1), R B represents a hydrogen atom or a methyl group.

10. The coloring composition according to claim 1 , further comprising:
at least one selected from a xanthene compound, a dipyrromethene-based metal complex compound, a dioxazine compound, and a phthalocyanine compound.

11. The coloring composition according to claim 1 ,
wherein the polymer TP is a polymer represented by General Formula (TP-7);

in General Formula (TP-7), R 1 's each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R 4 represents a hydrogen atom or a methyl group; R 1a represents an alkylene group or an arylene group; L 11 represents a single bond or a divalent linking group having 1 to 30 carbon atoms; X represents a compound including a bis(sulfonyl)imide anion, a tris(sulfonyl)methide anion, or a sulfonic acid anion; and a and b each represent the mass ratio of the repeating units, a represents 40 to 88, b represents 12 to 60, and a+b represents 100.

12. The coloring composition according to claim 1 ,
wherein the polymer TP is a polymer represented by General Formula (TP-8);

in General Formula (TP-8), R 1 's each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R 4 represents a hydrogen atom or a methyl group; X represents a compound including a bis(sulfonyl)imide anion, a tris(sulfonyl)methide anion, or a sulfonic acid anion; and a and b each represent the mass ratio of the repeating units, a represents 40 to 88, b represents 12 to 60, and a+b represents 100.

13. The coloring composition according to claim 1 ,
wherein the polymer TP includes a bis(trifluoromethanesulfonyl)imide anion.

14. The coloring composition according to claim 1 , further comprising:
a bis(trifluoromethanesulfonyl)imide salt.

15. The coloring composition according to claim 1 , further comprising:
a crosslinking agent.

16. A cured film formed by curing the coloring composition according to claim 1 .

17. A color filter comprising:
the cured film according to claim 16 .

18. A method for manufacturing a color filter, comprising:
forming a coloring composition layer on a substrate, using the coloring composition according to claim 1 ; and
forming a pattern for the composition layer by a photolithography method or a dry etching method.

19. A solid-state imaging device comprising:
the color filter according to claim 17 .

20. An image display device comprising:
the color filter according to claim 17 .

21. A polymer represented by General Formula (TP-7);

in Gene

Assignees

• Fujifilm Corp

Inventors

• Takasaki Yuta
• Amemiya Takuma
• Ishiwata Yasuhiro
• Nozaki Atsuyasu
• Idei Hiroaki
• Nakayama Atsushi
• Fujita Akinori

Classifications

• C08F220/36 Primary

  containing oxygen in addition to the carboxy oxygen {, e.g. 2-N-morpholinoethyl (meth)acrylate or 2-isocyanatoethyl (meth)acrylate} · CPC title

• H10F39/8053

  Colour filters · CPC title

• G03F7/033

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

• G03F7/004

  Photosensitive materials (G03F7/12, G03F7/14 take precedence) · CPC title

• G02B5/20

  Filters (polarising elements G02B5/30) · CPC title