Coloring resin composition, film, color filter, solid-state imaging element, and image display device

Patent metadata

Field	Value
Publication number	US-12391801-B2
Application number	US-202217585551-A
Country	US
Kind code	B2
Filing date	Jan 27, 2022
Priority date	Jul 30, 2019
Publication date	Aug 19, 2025
Grant date	Aug 19, 2025

Abstract

Provided are a coloring resin composition including a resin, a coloring material, and a solvent, in which the resin is a polyimide or polyimide precursor including a repeating unit represented by Formula (1-1) or Formula (1-2), and a content of the coloring material is 30 mass % or more with respect to a total solid content of the composition; a film; a color filter; a solid-state imaging element; and an image display device.

First claim

What is claimed is:

1. A coloring resin composition comprising:
a resin;
a coloring material; and
a solvent,
wherein the resin is a polyimide or polyimide precursor including a repeating unit represented by Formula (1-1) or Formula (1-2), and
a content of the coloring material is 30 mass % or more with respect to a total solid content of the composition,

in Formula (1-1), R 11 represents an aromatic hydrocarbon group having 6 to 14 carbon atoms, R 12 represents a monovalent substituent which is a substituent on the aromatic hydrocarbon group in R 11 , n represents an integer of 1 to nA, nA is a maximum number of substitutions of the aromatic hydrocarbon group in R 11 , and R 13 represents a tetravalent organic group,
in Formula (1-2), R 21 represents an aromatic hydrocarbon group having 6 to 14 carbon atoms, R 22 represents a monovalent substituent which is a substituent on the aromatic hydrocarbon group in R 21 , m represents an integer of 1 to mA, mA is a maximum number of substitutions of the aromatic hydrocarbon group in R 21 , R 23 represents a tetravalent organic group, and R 24 each independently represents a monovalent substituent,
wherein the resin includes at least one repeating unit selected from the group consisting of a repeating unit 1-1b which is the repeating unit represented by Formula (1-1) and in which R 12 in Formula (1-1) is a group R 1b including at least one curable group selected from the group consisting of a (meth)acryloxy group, a (meth)acrylamide group, an aromatic vinyl group, a maleimide group, an epoxy group, and an oxetanyl group, and a repeating unit 1-2b which is the repeating unit represented by Formula (1-2) and in which R 22 in Formula (1-2) is R 1b , or
wherein the resin includes at least one repeating unit selected from the group consisting of a repeating unit 1-1c which is the repeating unit represented by Formula (1-1) and in which R 12 in Formula (1-1) is a group R 1c having 12 or more carbon atoms, and a repeating unit 1-2c which is the repeating unit represented by Formula (1-2) and in which R 22 in Formula (1-2 is R 1c .

2. The coloring resin composition according to claim 1 ,
wherein the resin includes at least one repeating unit selected from the group consisting of a repeating unit 1-1a which is the repeating unit represented by Formula (1-1) and in which R 12 in Formula (1-1) is a group R 1a including at least one acid group selected from the group consisting of a carboxy group, a sulfo group, a phosphoric acid group, a sulfonamide group, and a hydroxy group, and a repeating unit 1-2a which is the repeating unit represented by Formula (1-2) and in which R 22 in Formula (1-2) is R 1a .

3. The coloring resin composition according to claim 1 ,
wherein R 1c includes at least one selected from the group consisting of a repeating unit derived from a (meth)acrylic acid ester compound, a repeating unit derived from a (meth)acrylamide compound, a repeating unit derived from an aromatic vinyl compound, and a polyester structure.

4. The coloring resin composition according to claim 1 ,
wherein R 13 and R 23 are groups including an alicyclic structure, or groups including a fluorine atom and an aromatic ring structure.

5. The coloring resin composition according to claim 1 ,
wherein R 24 is a group including at least one acid group selected from the group consisting of a carboxy group, a sulfo group, a phosphoric acid group, a sulfonamide group, and a hydroxy group, a group including at least one curable group selected from the group consisting of a (meth)acryloxy group, a (meth)acrylamide group, an aromatic vinyl group, a maleimide group, an epoxy group, and an oxetanyl group, or a group having 12 or more carbon atoms.

6. The coloring resin composition according to claim 1 ,
wherein an acid value of the resin is 20 to 150 mgKOH/g.

7. The coloring resin composition according to claim 1 ,
wherein a C═C value of the resin is 0.1 mmol/g to 3 mmol/g.

8. The coloring resin composition according to claim 1 ,
wherein a weight-average molecular weight of the resin is 5,000 to 20,000.

9. The coloring resin composition according to claim 1 ,
wherein, as the resin, the following resin 1 and resin 2 are included,
resin 1: a resin including at least one acid group selected from the group consisting of a carboxy group, a sulfo group, a phosphoric acid group, a sulfonamide group, and a hydroxy group and at least one curable group selected from the group consisting of a (meth)acryloxy group, a (meth)acrylamide group, an aromatic vinyl group, a maleimide group, an epoxy group, and an oxetanyl group,
resin 2: a resin including at least one acidic group selected from the group consisting of a carboxy group, a sulfo group, a phosphoric acid group, a sulfonamide group, and a hydroxy group and a group having 12 or more carbon atoms.

10. The coloring resin composition according to claim 1 ,
wherein the coloring material is an organic pigment.

11. The coloring resin composition according to claim 1 ,
wherein the coloring material includes at least one selected from a chromatic coloring material or a near-infrared absorbing coloring material.

12. The coloring resin composition according to claim 1 ,
wherein the coloring material includes a chromatic coloring material and a near-infrared absorbing coloring material.

13. The coloring resin composition according to claim 1 ,
wherein the coloring material includes a black coloring material.

14. The coloring resin composition according to claim 1 ,
wherein the coloring material includes at least one coloring material selected from the group consisting of a red coloring material, a yellow coloring material, a blue coloring material, and a violet coloring material.

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

16. The coloring resin composition according to claim 15 ,
wherein the photopolymerization initiator is an oxime initiator.

17. The coloring resin composition according to claim 1 ,
wherein the solvent includes at least one solvent selected from the group consisting of propylene glycol monomethyl ether acetate, propylene glycol monomethyl ether, cyclohexanone, cyclopentanone, butyl acetate, ethyl 3-ethoxypropionate, propylene glycol monoethyl ether acetate, ethyl lactate, 3-methoxybutanol, methyl isobutyl ketone, and dipropylene glycol monomethyl ether.

18. A film formed of the coloring resin composition according to claim 1 .

19. A color filter comprising:
the film according to claim 18 .

20. A solid-state imaging element comprising:
the film according to claim 18 .

21. An image display device comprising:
the film according to claim 18 .

22. A polyimide or a polyimide precursor comprising:
a repeating unit represented by Formula (2-1) or Formula (2-2),

in Formula (2-1), R 11 represents an aromatic hydrocarbon group having 6 to 14 carbon atoms, L 1 represents a group represented by Formula (L-1), Formula (L-2), or Formula (L-3), P 1 represents a molecular chain having a weight-average molecular weight of 1,000 to 10,000 and having no acid group and basic group, n1 is 1 or 2, R 14 represents a monovalent substituent which is a substituen

Assignees

• Fujifilm Corp

Inventors

• Makino Masaomi
• Kawashima Takashi

Classifications

• C08G73/1007

  from tetracarboxylic acids or derivatives and diamines · CPC title

• G02B1/04

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

• C08K5/33

  Oximes · CPC title

• C08K5/0041

  Optical brightening agents, organic pigments · CPC title

• C08G73/1064

  containing sulfur · CPC title