Composition, film, optical filter, laminate, solid-state imaging element, image display device, and infrared sensor

Patent metadata

Field	Value
Publication number	US-12152139-B2
Application number	US-202017105302-A
Country	US
Kind code	B2
Filing date	Nov 25, 2020
Priority date	Aug 15, 2018
Publication date	Nov 26, 2024
Grant date	Nov 26, 2024

Abstract

A composition includes a near infrared absorbing pigment, a compound represented by Formula (1), a primary to tertiary amine compound having a molecular weight of 500 or less and a boiling point of 300° C. or lower, a resin, and a solvent. The compound represented by Formula (1) has a solubility in propylene glycol methyl ether acetate at 25° C. of 0.1 g/L or higher. A content of the amine compound in a total solid content of the composition is 10-5000 mass ppm. In Formula (1), P 1 represents a colorant structure, L 1 represents a single bond or a linking group, X 1 represents an acid group, a basic group, a group having a salt structure, or a phthalimide methyl group, m is 1 or more, and n is 1 or more.

P 1 L 1 -(X 1 ) n ) m   (1)

First claim

What is claimed is:

1. A composition comprising:
a near infrared absorbing pigment;
a compound represented by Formula (1);
a primary to tertiary amine compound having a molecular weight of 500 or less, boiling point of 120° C. or lower, and one amino group in the molecule;
a resin; and
a solvent,
wherein the compound represented by Formula (1) has a solubility in propylene glycol methyl ether acetate at 25° C. of 0.1 g/L or higher, and
a content of the primary to tertiary amine compound in a total solid content of the composition is 10 to 5000 mass ppm,
P 1 L 1 -(X 1 ) n ) m   (1)

in Formula (1), P 1 represents a colorant structure, L 1 represents a single bond or a linking group, X 1 represents an acid group, a basic group, a group having a salt structure, or a phthalimide methyl group, m represents an integer of 1 or more, n represents an integer of 1 or more, in a case where m represents 2 or more, a plurality of L 1 's and a plurality of X 1 's may be different from each other, and in a case where n represents 2 or more, a plurality of X 1 's may be different from each other.

2. The composition according to claim 1 ,
wherein the primary to tertiary amine compound is an aliphatic amine compound.

3. The composition according to claim 1 ,
wherein the primary to tertiary amine compound is an alkylamine.

4. The composition according to claim 1 ,
wherein the near infrared absorbing pigment is at least one selected from the group consisting of a pyrrolopyrrole compound, a polymethine compound, a diimmonium compound, a dithiolene compound, a phthalocyanine compound, a porphyrin compound, an azo compound, a triarylmethane compound, and a perylene compound.

5. The composition according to claim 1 ,
wherein a solubility of the near infrared absorbing pigment in propylene glycol methyl ether acetate at 25° C. is lower than the solubility of the compound represented by Formula (1) in propylene glycol methyl ether acetate at 25° C.

6. The composition according to claim 1 ,
wherein P 1 in Formula (1) is a colorant structure derived from a near infrared absorbing colorant.

7. The composition according to claim 1 ,
wherein P 1 in Formula (1) is a colorant structure selected from the group consisting of a pyrrolopyrrole colorant structure, a polymethine colorant structure, a diimmonium colorant structure, a dithiolene colorant structure, a phthalocyanine colorant structure, a porphyrin colorant structure, an azo colorant structure, a triarylmethane colorant structure, a perylene colorant structure, and a quinacridone colorant structure.

8. The composition according to claim 1 ,
wherein P 1 in Formula (1) is a colorant structure having a skeleton common to the near infrared absorbing pigment.

9. The composition according to claim 1 ,
wherein X 1 in Formula (1) is an acid group, and
the resin is a resin including a basic group.

10. The composition according to claim 1 ,
wherein X 1 in Formula (1) is at least one acid group selected from the group consisting of a carboxyl group, a sulfo group, a carboxylic acid amide group, a sulfonic acid amide group, and an imide acid group.

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

12. An optical filter comprising:
the film according to claim 11 .

13. The optical filter according to claim 12 ,
wherein the optical filter is a near infrared cut filter or a near infrared transmitting filter.

14. An optical filter comprising:
a pixel having the film according to claim 11 , and
at least one pixel selected from the group consisting of a red pixel, a green pixel, a blue pixel, a magenta pixel, a yellow pixel, a cyan pixel, a black pixel, and an achromatic pixel.

15. A laminate comprising:
the film according to claim 11 ; and
a color filter including a chromatic coloring agent.

16. A solid-state imaging element comprising:
the film according to claim 11 .

17. An image display device comprising:
the film according to claim 11 .

18. An infrared sensor comprising:
the film according to claim 11 .

Assignees

• Fujifilm Corp

Inventors

• Tsuyama Hiroaki
• Tsuruta Takuya
• Arayama Kyohei
• Miyata Tetsushi

Classifications

• H10F39/12

  Image sensors · CPC title

• H10F39/10

  Integrated devices · CPC title

• G02B5/24

  Liquid filters (G02B5/23 takes precedence) · CPC title

• G02B5/223 Primary

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

• C08L57/10

  containing oxygen atoms · CPC title