Resin composition, film, optical filter, solid-state imaging element, and image display device

Patent metadata

Field	Value
Publication number	US-12529956-B2
Application number	US-202217940400-A
Country	US
Kind code	B2
Filing date	Sep 8, 2022
Priority date	Mar 11, 2020
Publication date	Jan 20, 2026
Grant date	Jan 20, 2026

Abstract

A resin composition includes a coloring material, a resin, and a solvent. The resin includes a graft polymer which has a main chain including a molecular chain having a structure derived from a compound having an ethylenically unsaturated bond-containing group and a graft chain, and the graft chain includes a repeating unit p1 having an oxetane group. The resin composition may be employed in a film formed of the resin composition; an optical filter; a solid-state imaging element; and an image display device.

First claim

What is claimed is:

1 . A resin composition comprising:
a coloring material; a resin; and a solvent, wherein the resin includes a graft polymer which has a main chain including a molecular chain having a structure derived from a compound having an ethylenically unsaturated bond-containing group and a graft chain, and the graft chain includes a repeating unit p1 having an oxetane group.

2 . The resin composition according to claim 1 ,
wherein the repeating unit p1 is a repeating unit represented by Formula (p1-1),

in the formula, Rp 1 to Rp 3 each independently represent a hydrogen atom, an alkyl group, or an aryl group,
Lp 1 represents a divalent linking group, and
Rp 4 to Rp 8 each independently represent a hydrogen atom or an alkyl group.

3 . The resin composition according to claim 1 ,
wherein the graft chain further includes a repeating unit having a group in which a carboxy group is protected by a heat-decomposable group.

4 . The resin composition according to claim 1 ,
wherein the graft chain further includes a repeating unit having a t-butyl ester group.

5 . The resin composition according to claim 1 ,
wherein the graft chain further includes a repeating unit represented by Formula (p2-10),

in the formula, Rp 11 to Rp 13 each independently represent a hydrogen atom, an alkyl group, or an aryl group, and
Rp 14 to Rp 16 represent an alkyl group or an aryl group, and Rp 14 and Rp 15 may be bonded to each other to form a ring.

6 . The resin composition according to claim 1 ,
wherein the main chain of the graft polymer includes a repeating unit represented by Formula (1),

in the formula, R 1 to R 3 each independently represent a hydrogen atom, an alkyl group, or an aryl group,
L 1 and L 2 each independently represent a divalent linking group,
X 1 represents a single bond, —O—, —COO—, —OCO—, —NHCOO—, —OCONH—, or —NHCONH—, and
P 1 represents a graft chain including the repeating unit p1.

7 . The resin composition according to claim 1 ,
wherein the main chain of the graft polymer includes a repeating unit having a crosslinkable group.

8 . The resin composition according to claim 1 ,
wherein the main chain of the graft polymer includes a repeating unit having an acid group.

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

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

11 . The resin composition according to claim 1 ,
wherein the coloring material includes at least one selected from Color Index Pigment Red 179, Color Index Pigment Red 264, Color Index Pigment Red 291, Color Index Pigment Blue 16, or Color Index Pigment Yellow 215.

12 . The resin composition according to claim 1 ,
wherein Amin/B, which is a ratio of a minimum value Amin of an absorbance of the resin composition in a wavelength range of 400 to 640 nm to an absorbance B of the resin composition at a wavelength of 1500 nm, is 5 or more.

13 . The resin composition according to claim 1 , further comprising:
a polymerizable monomer.

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

15 . A film obtained from the resin composition according to claim 1 .

16 . An optical filter comprising:
the film according to claim 15 .

17 . A solid-state imaging element comprising:
the film according to claim 15 .

18 . An image display device comprising:
the film according to claim 15 .

Assignees

• Fujifilm Corp

Inventors

• Makino Masaomi
• Kawashima Takashi

Classifications

• H10F39/8053

  Colour filters · CPC title

• G03F7/028

  with photosensitivity-increasing substances, e.g. photoinitiators · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02B5/208

  for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation · CPC title

• G02B1/111 Primary

  using layers comprising organic materials · CPC title