Curable composition, method of manufacturing curable composition, film, infrared cut filter, infrared transmitting filter, pattern forming method, and device

1. A curable composition for forming an infrared transmitting filter comprising:

an α-type oxytitanium phthalocyanine pigment;

a curable compound; and

a coloring material that shields visible light in a wavelength range of 450 to 650 nm;

wherein the coloring material includes two or more chromatic colorants or an organic black colorant.

2. The curable composition according to claim 1 ,

wherein the α-type oxytitanium phthalocyanine pigment is represented by the following Formula (1),

in Formula (1), X 1 to X 16 each independently represent a hydrogen atom or a halogen atom.

3. The curable composition according to claim 2 ,

wherein the curable compound includes a compound having an epoxy group.

4. A method of manufacturing the curable composition according to claim 1 , the method comprising:

dispersing an α-type oxytitanium phthalocyanine pigment and a pigment other than an oxytitanium phthalocyanine pigment in the presence of a solvent.

5. A film comprising a curable composition layer which is formed using the curable composition according to claim 1 ,

wherein the curable composition layer is formed by applying the curable composition.

6. The film according to claim 5 ,

wherein a maximum value of a light transmittance of the film in a thickness direction in a wavelength range of 400 to 830 nm is 20% or lower and that a minimum value of a light transmittance of the film in the thickness direction in a wavelength range of 1000 to 1300 nm is 70% or higher.

7. An infrared transmitting filter comprising a curable composition layer which is formed using a curable composition for forming an infrared transmitting filter, wherein the curable composition layer is formed by applying the curable composition, and

the curable composition contains:

an α-type oxytitanium phthalocyanine pigment;

a curable compound; and

a coloring material that shields visible light in a wavelength range of 450 to 650 nm;

wherein the coloring material includes two or more chromatic colorants or an organic black colorant.

8. A pattern forming method comprising:

forming a curable composition layer on a support using the curable composition according to claim 1 ; and

forming a pattern on the curable composition layer using a photolithography method or a dry etching method.

9. A device comprising:

the film according to claim 5 ,

wherein the device is a solid image pickup element, an infrared sensor, or an image display device.

10. The curable composition according to claim 1 ,

wherein the two or more chromatic colorants are selected from the following combination of chromatic colorants;

(1) a combination of chromatic colorants includes a yellow colorant, a blue colorant, a violet colorant, and a red colorant;

(2) a combination of chromatic colorants includes a yellow colorant, a blue colorant, and a red colorant;

(3) a combination of chromatic colorants includes a yellow colorant, a violet colorant, and a red colorant;

(4) a combination of chromatic colorants includes a yellow colorant and a violet colorant;

(5) a combination of chromatic colorants includes a green colorant, a blue colorant, a violet colorant, and a red colorant;

(6) a combination of chromatic colorants includes a violet colorant and an orange colorant;

(7) a combination of chromatic colorants includes a green colorant, a violet colorant, and a red colorant; and

(8) a combination of chromatic colorants includes a green colorant and a red colorant.

11. The curable composition according to claim 1 ,

wherein the two or more chromatic colorants are a combination of chromatic colorants includes a yellow colorant, a blue colorant, and a red colorant.

12. The curable composition according to claim 1 ,

wherein the organic black colorant is selected from the group consisting of a bisbenzofuranone compound, an azomethine compound, a perylene compound and an azo compound.

13. The curable composition according to claim 1 ,

wherein the curable composition does not include substantially an oxytitanium phthalocyanine pigment having another crystal structure other than an α-type oxytitanium phthalocyanine pigment.

14. A method of manufacturing an infrared transmitting filter comprising:

providing a curable composition comprises

an α-type oxytitanium phthalocyanine pigment;

a curable compound; and

a coloring material that shields visible light in a wavelength range of 450 to 650 nm, wherein the coloring material includes two or more chromatic colorants or an organic black colorant:

applying the curable composition on a substrate to make a film of the curable composition; and

curing the film of the curable composition.

15. The curable composition according to claim 1 , further comprising:

a photoradical polymerization initiator,

wherein the curable compound includes a photoradically polymerizable compound.

16. The curable composition according to claim 15 ,

wherein the photoradical polymerization initiator is an oxime compound.

17. The curable composition according to claim 16 ,

wherein the curable compound includes a compound having an epoxy group.

18. The curable composition according to claim 1 ,

wherein the curable compound includes a compound having an epoxy group.