Resin composition, film, near infrared cut filter, infrared transmitting filter, solid image pickup element, image display device, infrared sensor, and camera module

Patent metadata

Field	Value
Publication number	US-11708479-B2
Application number	US-202016732621-A
Country	US
Kind code	B2
Filing date	Jan 2, 2020
Priority date	Aug 31, 2017
Publication date	Jul 25, 2023
Grant date	Jul 25, 2023

Abstract

A resin composition includes: a compound represented by Formula (1); and a resin, in the formula, A and B each independently represent an aromatic hydrocarbon ring or an aromatic heterocycle, Ra and Rb each independently represent a substituent, m1 represents an integer of 0 to mA, m2 represents an integer of 0 to mB, Y1 and Y2 each independently represent an alkyl group, an aryl group, a group represented by Formula (Y-1), or a group represented by Formula (Y-2), and at least one of Y1 or Y2 represents a group represented by Formula (Y-1) or a group represented by Formula (Y-2).

First claim

What is claimed is:

1. A resin composition comprising:
a compound represented by Formula (1); and
a resin,

in Formula (1), A and B each independently represent an aromatic hydrocarbon ring or an aromatic heterocycle,
Ra and Rb each independently represent a substituent, m1 represents an integer of 0 to mA, mA represents an integer representing a maximum number of Ra's which may be substituted in A, m2 represents an integer of 0 to mB, and mB represents an integer representing a maximum number of Rb's which may be substituted in B,
Ra and A are bonded to each other to form a ring, or Rb and B are bonded to each other to form a ring, in a case where m1 represents 2 or more, two Ra's among m1 Ra's may be bonded to each other to form a ring, and in a case where m2 represents 2 or more, two Rb's among m2 Rb's may be bonded to each other to form a ring,
Y 1 and Y 2 each independently represent an alkyl group, an aryl group, a group represented by Formula (Y-1), or a group represented by Formula (Y-2), and at least one of Y 1 or Y 2 represents a group represented by Formula (Y-1) or a group represented by Formula (Y-2),
—X 1 -L 1 -Z 1 —R 1   Formula (Y-1),

in Formula (Y-1), X 1 represents —CO—, —CS—, —SO 2 —, —CONH—, —CSNH—, or —COO—,
L 1 represents an alkylene group or an arylene group,
Z 1 represents —CONR Z1 —, —CSNR Z1 —, —OCONR Z1 —, —NR Z1 CONR Z2 —, —NR Z1 CSNR Z2 —, —OCOO—, or, —NR Z1 SO 2 —,
R Z1 and R Z2 each independently represent a hydrogen atom, an alkyl group, or an aryl group,
R 1 represents an alkyl group or an aryl group,
—X 11 -L 11 -X 12 -L 12 -Z 11   Formula (Y-2),

in Formula (Y-2), X 11 represents —CO—, —CS—, —SO 2 —, —CONH—, —CSNH—, or —COO—,
L 11 represents a single bond, an alkylene group, or an arylene group,
X 12 represents a single bond, —CONR X1 —, —CSNR X1 —, —OCONR X1 —, —NR X1 CONR X2 —, —NR X1 CSNR X2 —, —OCOO—, —O—, —CO—, —COO—, —SO 2 —, or —SO—,
R X1 and R X2 each independently represent a hydrogen atom, an alkyl group, or an aryl group,
L 12 represents a single bond, an alkylene group, or an arylene group,
Z 11 represents a group represented by any one of Formulae (Z-1) to (Z-6), and
in a case where Z 11 represents a group represented by Formula (Z-1) or a group represented by Formula (Z-4), L 11 represents an alkylene group or an arylene group,

in Formulae (Z-1) to (Z-6), a wave line represents a binding site in Formula (Y-2),
in Formula (Z-1), Rz 11 represents an alkyl group or an aryl group,
in Formula (Z-2), Rz 12 represents a hydrogen atom, —COR 100 or —COOR 100 , R 100 represents a hydrogen atom, an alkyl group, or an aryl group, Rz 12a represents an alkyl group, and mz represents an integer of 0 to 4,
in Formula (Z-3), Rz 13 to Rz 16 each independently represent an alkyl group and Rz 17 represents a hydrogen atom, an alkyl group, or an oxygen radical,
in Formula (Z-4), Rz 18 and Rz 19 each independently represent an alkyl group or an aryl group, and
in Formula (Z-6), W 1 represents a single bond or —CO—, Rz 20 represents a hydrogen atom, an alkyl group, an aryl group, or —COR 101 , and R 101 represents an alkyl group or an aryl group.

2. The resin composition according to claim 1 ,
wherein in Formula (1), at least one of A or B represents a benzene ring, a thiophene ring, a furan ring, a pyrrole ring, a pyridine ring, an azulene ring, or a fused ring including a benzene ring, a thiophene ring, a furan ring, a pyrrole ring, a pyridine ring, or an azulene ring.

3. The resin composition according to claim 1 ,
wherein in Formula (1), at least one of A or B represents a benzene ring or a naphthalene ring.

4. The resin composition according to claim 1 ,
wherein the compound represented by Formula (1) has a structure represented by the following Formula (2-1) or Formula (2-2),

in Formula (2-1) and Formula (2-2), a wave line represents a binding site to a squaric acid site in Formula (1),
Y 3 represents the group represented by Formula (Y-1) or the group represented by Formula (Y-2),
Rs 1 represents a substituent,
n1 represents an integer of 1 to 3 and n2 represents an integer of 1 to 5,
Rs 11 and Rs 12 each independently represent an alkyl group, an aryl group, or a heteroaryl group,
Rs 11 and Rs 12 may be bonded to each other to form a ring, and
Rs 11 and Rs 1 , or Rs 12 and Rs 1 are bonded to each other to form a ring.

5. The resin composition according to claim 1 ,
wherein the compound represented by Formula (1) has a structure represented by the following (2-1c) or Formula (2-1d),

in Formula (2-1c) and Formula (2-1d), a wave line represents a binding site to a squaric acid site in Formula (1),
Y 3 represents the group represented by Formula (Y-1) or the group represented by Formula (Y-2),
Rs 3 and Rs 4 each independently represent a hydrogen atom or a substituent,
Rs 14 represents an alkyl group, an aryl group, or a heteroaryl group, and
A2 to A4 each independently represent a ring including a nitrogen atom.

6. The resin composition according to claim 1 ,
wherein the compound represented by Formula (1) is a compound represented by the following Formula (1a),

in Formula (1a), Y 4 and Y 5 each independently represent an alkyl group, an aryl group, the group represented by Formula (Y-1), or the group represented by Formula (Y-2), and at least one of Y 4 or Y 5 represents the group represented by Formula (Y-1) or the group represented by Formula (Y-2),
Rs 5 and Rs 6 each independently represent a substituent,
n1a and n1b each independently represent an integer of 1 to 3,
Rs 21 to Rs 24 each independently represent an alkyl group, an aryl group, or a heteroaryl group,
Rs 21 and Rs 22 , or Rs 23 and Rs 24 may be bonded to each other to form a ring, and
at least one of Rs 21 and Rs 5 , Rs 22 and Rs 5 , Rs 23 and Rs 6 , or Rs 24 and Rs 6 are bonded to each other to form a ring.

7. The resin composition according to claim 1 , further comprising:
a crosslinking compound.

8. The resin composition according to claim 7 , further comprising:
a photopolymerization initiator,
wherein the crosslinking compound is a polymerizable compound.

9. The resin composition according to claim 1 ,
wherein the resin includes a resin having an acid group.

10. The resin composition according to claim 1 , further comprising:
a near infrared absorbing colorant other than the compound represented by Formula (1).

11. A film which is formed of the resin composition according to claim 1 .

12. A near infrared cut filter comprising:
the film according to claim 11 .

13. A camera module comprising:
a solid image pickup element; and
the near infrared cut filter according to claim 12 .

14. An infrared transmitting filter comprising:
the film according to claim 1

Assignees

• Fujifilm Corp

Inventors

• Matsumura Tokihiko

Classifications

• H04N23/21

  from near infrared [NIR] radiation · CPC title

• H10K59/8792

  comprising light absorbing layers, e.g. black layers · CPC title

• H10K59/873

  Encapsulations · CPC title

• C08K5/3417 Primary

  condensed with carbocyclic rings · CPC title

• C08K5/0041 Primary

  Optical brightening agents, organic pigments · CPC title