Near-infrared absorption composition, cured film, near-infrared cut filter, solid-state imaging device, infrared sensor, and compound

Patent metadata

Field	Value
Publication number	US-9879034-B2
Application number	US-201715677538-A
Country	US
Kind code	B2
Filing date	Aug 15, 2017
Priority date	Feb 26, 2015
Publication date	Jan 30, 2018
Grant date	Jan 30, 2018

Abstract

To provide a near-infrared absorption composition which contains a squarylium compound having excellent solvent solubility, a cured film which uses the near-infrared absorption composition, a near-infrared cut filter, a solid-state imaging device, an infrared sensor, and a compound. A near-infrared absorption composition includes a compound represented by the following Formula (1) and a resin. R 1 and R 2 each independently represent “—S 1 -L 1 -T 1 ” or the like, R 3 and R 4 each independently represent a hydrogen atom or an alkyl group, X 1 and X 2 each independently represent an oxygen atom or —N(R 5 )—, R 5 represents a hydrogen atom or the like, Y 1 to Y 4 each independently represent a substituent, p and s each independently represent an integer of 0 to 3, and q and r each independently represent an integer of 0 to 2; and S 1 represents an arylene group or the like, L 1 represents an alkylene group or the like, and T 1 represents an alkyl group or the like.

First claim

What is claimed is:

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

in the formula, R 1 and R 2 each independently represent an alkyl group, an alkenyl group, an aryl group, a heteroaryl group, or a group represented by Formula (W), and at least one of R 1 and R 2 represents a group represented by Formula (W),
R 3 and R 4 each independently represent a hydrogen atom or an alkyl group,
X 1 and X 2 each independently represent an oxygen atom or —N(R 5 )—,
R 5 represents a hydrogen atom, an alkyl group, an aryl group, or a heteroaryl group,
Y 1 to Y 4 each independently represent a substituent, and each of Y 1 and Y 2 , and Y 3 and Y 4 may be bonded to form a ring structure,
in a case where the compound represented by Formula (1) has more than one of each of Y 1 to Y 4 , these may be bonded to each other to form a ring structure, respectively,
p and s each independently represent an integer of 0 to 3, and
q and r each independently represent an integer of 0 to 2, and
—S 1 -L 1 -T 1   (W)

in Formula (W), S 1 represents a single bond, an arylene group, or a heteroarylene group,
L 1 represents an alkylene group, an alkenylene group, an alkynylene group, —O—, —S—, —NR L1 —, —CO—, —COO—, —OCO—, —CONR L1 —, —NR L1 CO—, —SO 2 —, —OR L2 —, or a group obtained by combining two or more thereof, R L1 represents a hydrogen atom or an alkyl group, and R L2 represents an alkylene group,
T 1 represents an alkyl group, a cyano group, a hydroxy group, a formyl group, a carboxy group, an amino group, a thiol group, a sulfo group, a phosphoryl group, a boryl group, a vinyl group, an ethynyl group, an aryl group, a heteroaryl group, a trialkylsilyl group, or a trialkoxysilyl group,
in a case where S 1 is a single bond, L 1 is an alkylene group, and T 1 is an alkyl group, the total number of carbon atoms included in L 1 and T 1 is not less than 13, and
in a case where S 1 is an arylene group, the total number of carbon atoms included in L 1 and T 1 is not less than 5.

2. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (W), S 1 is an arylene group or a heteroarylene group.

3. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (W), L 1 is an alkylene group, an alkenylene group, —O—, —OR L2 —, or a group obtained by combining two or more thereof, and R L2 is an alkylene group.

4. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (W), a -L 1 -T 1 portion includes a branched alkyl structure.

5. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (W), a -L 1 -T 1 portion includes asymmetric carbon.

6. The near-infrared absorption composition according to claim 1 ,
wherein the compound represented by Formula (1) includes two or more types of optical isomers.

7. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (1), R 3 and R 4 each independently represent a hydrogen atom or a methyl group.

8. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (1), p, q, r, and s are 0.

9. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (1), X 1 and X 2 are oxygen atoms.

10. The near-infrared absorption composition according to claim 1 ,
wherein in Formula (1), X 1 and X 2 each independently represent any one of the followings:

in the formula, R 5a represents an alkyl group, R 6 to R 8 each independently represent a substituent, a represents an integer of 0 to 5, b and c each represent an integer of 0 to 7, and * represents a bond.

11. The near-infrared absorption composition according to claim 1 , further comprising:
a solvent.

12. The near-infrared absorption composition according to claim 1 , further comprising:
a curable compound.

13. A cured film which is prepared using the near-infrared absorption composition according to claim 1 .

14. A near-infrared cut filter comprising:
the cured film according to claim 13 .

15. A solid-state imaging device comprising:
the cured film according to claim 13 .

16. An infrared sensor comprising:
the cured film according to claim 13 .

17. A compound which is represented by Formula (1):

in the formula, R 1 and R 2 each independently represent an alkyl group, an alkenyl group, an aryl group, a heteroaryl group, or a group represented by Formula (W), and at least one of R 1 and R 2 represents a group represented by Formula (W),
R 3 and R 4 each independently represent a hydrogen atom or an alkyl group,
X 1 and X 2 each independently represent an oxygen atom or —N(R 5 )—,
R 5 represents a hydrogen atom, an alkyl group, an aryl group, or a heteroaryl group,
Y 1 to Y 4 each independently represent a substituent, and each of Y 1 and Y 2 , and Y 3 and Y 4 may be bonded to form a ring structure,
in a case where the compound represented by Formula (1) has more than one of each of Y 1 to Y 4 , these may be bonded to each other to form a ring structure, respectively,
p and s each independently represent an integer of 0 to 3, and
q and r each independently represent an integer of 0 to 2, and
—S 1 -L 1 -T 1   (W)

in Formula (W), S 1 represents a single bond, an arylene group, or a heteroarylene group,
L 1 represents an alkylene group, an alkenylene group, an alkynylene group, —O—, —S—, —NR L1 —, —CO—, —COO—, —OCO—, —CONR L1 —, —NR L1 CO—, —SO 2 —, —OR L2 —, or a group obtained by combining two or more thereof, R L1 represents a hydrogen atom or an alkyl group, and R L2 represents an alkylene group,
T 1 represents an alkyl group, a cyano group, a hydroxy group, a formyl group, a carboxy group, an amino group, a thiol group, a sulfo group, a phosphoryl group, a boryl group, a vinyl group, an ethynyl group, an aryl group, a heteroaryl group, a trialkylsilyl group, or a trialkoxysilyl group,
in a case where S 1 is a single bond, L 1 is an alkylene group, and T 1 is an alkyl group, the total number of carbon atoms included in L 1 and T 1 is not less than 13, and
in a case where S 1 is an arylene group, the total number of carbon atoms included in L 1 and T 1 is not less than 5.

Assignees

• Fujifilm Corp

Inventors

• Hirai Yuki
• Sasaki Daisuke
• Jimbo Yoshihiro

Classifications

• C07F5/02

  Boron compounds · CPC title

• C07D521/00

  Heterocyclic compounds containing unspecified hetero rings · CPC title

• C07F5/022 Primary

  without C-boron linkages · 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

• C08K5/34 Primary

  Heterocyclic compounds having nitrogen in the ring · CPC title