Composition, curable composition, cured film, near infrared cut filter, infrared transmitting filter, solid image pickup element, infrared sensor, and camera module

Patent metadata

Field	Value
Publication number	US-11209582-B2
Application number	US-201816108290-A
Country	US
Kind code	B2
Filing date	Aug 22, 2018
Priority date	Feb 26, 2016
Publication date	Dec 28, 2021
Grant date	Dec 28, 2021

Abstract

Provided are a composition that has excellent pigment dispersibility without affecting the color of a pigment in a visible range, a curable composition, a cured film, a near infrared cut filter, an infrared transmitting filter; a solid image pickup element, an infrared sensor, and a camera module. The composition includes: a pigment; a pigment derivative that includes a compound represented by Formula (1); and a solvent, in which R1 and R2 represent an aryl group or the like, R3 to R6 represent a cyano group, a heteroaryl group, or the like, R7 and R8 each independently represent —BR9R10 or the like, R9 and R10 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a heteroaryl group, an alkoxy group, an aryloxy group, or a heteroaryloxy group, L represents a single bond or a linking group, X represents an acidic group or the like, m represents an integer of 1 to 10, and n represents an integer of 1 to 10.

First claim

What is claimed is:

1. A composition comprising:
a pigment;
a pigment derivative; and
a solvent,
wherein the pigment derivative includes a compound represented by the following Formula (1),

in Formula (1), R 1 and R 2 each independently represent an alkyl group, an aryl group, or a heteroaryl group,
R 3 , R 4 , R 5 , and R 6 each independently represent a cyano group, an acyl group, an alkoxycarbonyl group, an alkylsulfinyl group, an arylsulfinyl group, or a heteroaryl group,
R 7 and R 8 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, —BR 9 R 10 , or a metal atom,
R 7 may form a covalent bond or a coordinate bond with R 1 , R 3 , or R 5 ,
R 8 may form a covalent bond or a coordinate bond with R 2 , R 4 , or R 6 ,
R 9 and R 10 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, a heteroaryl group, an alkoxy group, an aryloxy group, or a heteroaryloxy group,
R 9 and R 10 may be bonded to each other to form a ring,
L represents a group including a combination of a group represented by formulae (L-1) and an alkylene group; a group including a combination of a group represented by formulae (L-1) and an arylene group; a group including a combination of a group represented by formulae (L-1), —SO 2 —, and an alkylene group; a group including a combination of a group represented by formulae (L-1), —S—, and an alkylene group; a group including a combination of a group represented by formulae (L-1), —O—, and an arylene group; a group including a combination of a group represented by formulae (L-1), —NR′—, —CO—, and an arylene group; a group including a combination of a group represented by formulae (L-1) and —COO—, a group including a combination of a group represented by formulae (L-1) and —OCO—; a group including a combination of a group represented by formulae (L-1), —COO—, and an alkylene group; or a group including a combination of a group represented by formulae (L-1), —OCO—, and an alkylene group,
R′ represents a hydrogen atom, an alkyl group, or an aryl group,

in the formulae (L-1), * represents a direct bond,
X represents an acidic group, a basic group, a group having a salt structure, or a phthalimido group,
m represents an integer of 1 to 10,
n represents an integer of 1 to 10,
in a case where m represents 2 or more, a plurality of L's and a plurality of X's may be different from each other, and
in a case where n represents 2 or more, a plurality of X's may be different from each other.

2. The composition according to claim 1 ,
wherein X in Formula (1) represents at least one selected from the group consisting of a carboxyl group, a sulfo group, a phthalimido group, and groups represented by the following Formulae (X-1) to (X-9),

in Formulae (X-1) to (X-9), * represents a direct bond to L of Formula (1), R 100 to R 106 each independently represent a hydrogen atom, an alkyl group, an alkenyl group, or an aryl group, R 100 and R 101 may be linked to each other to form a ring, and M represents an atom or atomic group constituting an anion and a salt.

3. The composition according to claim 2 ,
wherein X in Formula (1) represents at least one selected from the group consisting of a carboxyl group, a sulfo group, and a group represented by Formula (X-3).

4. The composition according to claim 1 ,
wherein the pigment is a compound having an absorption maximum in a wavelength range of 700 to 1200 nm.

5. The composition according to claim 1 ,
wherein the pigment is a compound represented by the following Formula (PP),

in Formula (PP), R 21 and R 22 each independently represent an alkyl group, an aryl group, or a heteroaryl group,
R 23 , R 24 , R 25 , and R 26 each independently represent a cyano group, an acyl group, an alkoxycarbonyl group, an alkylsulfinyl group, an arylsulfinyl group, or a heteroaryl group,
R 27 and R 28 each independently represent a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, —BR 29 R 30 , or a metal atom,
R 27 may form a covalent bond or a coordinate bond with R 21 , R 23 , or R 25 ,
R 28 may form a covalent bond or a coordinate bond with R 22 , R 24 , or R 26 ,
R 29 and R 30 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, a heteroaryl group, an alkoxy group, an aryloxy group, or a heteroaryloxy group, and
R 29 and R 30 may be bonded to each other to form a ring.

6. The composition according to claim 1 ,
wherein a viscosity at 25° C. is 1 to 100 mPa·s.

7. The composition according to claim 1 ,
wherein an average particle size of the pigment in the composition is 5 to 500 nm.

8. The composition according to claim 1 ,
wherein a content of the pigment derivative is 1 to 50 parts by mass with respect to 100 parts by mass of the pigment.

9. The composition according to claim 1 ,
wherein the pigment includes at least two pigments having different absorption maximums.

10. The composition according to claim 1 ,
wherein a solubility of the pigment in the solvent at 25° C. is 0 to 0.1 g/L.

11. The composition according to claim 1 ,
wherein a solubility of the compound represented by Formula (1) in the solvent at 25° C. is 0 to 0.1 g/L.

12. The composition according to claim 1 , further comprising:
a resin.

13. The composition according to claim 12 ,
wherein the resin includes a resin having a polycaprolactone structure.

14. A curable composition comprising:
the composition according to claim 1 ; and
a curable compound.

15. The curable composition according to claim 14 ,
wherein the curable compound is a polymerizable compound, and
the curable composition further comprises a photopolymerization initiator.

16. The curable composition according to claim 14 , further comprising:
an alkali-soluble resin.

17. The curable composition according to claim 14 , further comprising:
a coloring material that allows transmission of at least a part of light in a near infrared range and shields light in a visible range.

18. A cured film which is formed by curing the curable composition according to claim 14 .

19. A solid image pickup element comprising:
the cured film according to claim 18 .

20. An infrared sensor comprising:
the cured film according to claim 18 .

21. A near infrared cut filter which is formed using the curable composition according to claim 14 .

22. A camera module comprising:
a solid image pickup element; and
the near infrared cut filter according to claim 21 .

23. An infrared transmitting filter which is formed using the curable composition according to claim 1 .

24. The composition according to claim 1 , wherein L represents a group including a combination of the group represented by formulae (L-1) and —COO—; a group including a combina

Assignees

• Fujifilm Corp

Inventors

• Arayama Kyohei
• Tsuruta Takuya
• Hirai Yuki
• Takahashi Kazutaka
• Matsumura Tokihiko
• SAMEJIMA Suguru

Classifications

• H10F39/184

  Infrared image sensors · CPC title

• G02B5/208 Primary

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

• G03F7/032

  with binders · CPC title

• G02B5/223

  containing organic substances, e.g. dyes, inks or pigments · CPC title

• C08F222/28

  Diallyl maleate · CPC title