Coloring composition for solid-state imaging element

1. A photosensitive green composition for a color filter of a solid-state imaging element, comprising:

a colorant (A);

a binder resin (B);

a photopolymerization initiator (C);

a photopolymerizable monomer (D);

an ultraviolet absorber (E); and

a monofunctional thiol (F),

wherein the colorant (A) comprises C.I. Pigment Green 36, C.I. Pigment Green 58, and/or C.I. Pigment Yellow 150, and

the monofunctional thiol (F) comprises 2-mercapto-5-methylthio-1,3,4-thiadiazole or triphenylmethanethiol, and

a content of the monofunctional thiol (F) is 0.05 to 3.00% by weight in a total solid content of the photosensitive green composition.

2. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein the photopolymerizable monomer (D) comprises a urethane acrylate, and the urethane acrylate is a compound obtained by reacting a compound represented by a general formula (1) with a polyfunctional isocyanate represented by a general formula (2),

the general formula (1) being

wherein R 1 , R 2 , R 3 independently represent an acryloyl group or a methacryloyl group, and

the general formula (2) being

o=C=N−X−N=C=O

wherein X represents a divalent alkylene group or an arylene group.

3. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein a content of the ultraviolet absorber (E) is 0.05 to 3.00% by weight in a total solid content of the photosensitive green coloring composition.

4. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein the ultraviolet absorber (E) comprises an ultraviolet absorber having an absorbance at a wavelength of 365 nm of 0.4 or more measured when dissolved in chloroform to be diluted to 10 mg/L.

5. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein the ultraviolet absorber (E) comprises at least one selected from benzotriazole-based compounds, benzophenone-based compounds, and triazine-based compounds.

6. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein a content of the colorant (A) is 40 to 70% by weight in a total solid content of the photosensitive green composition.

7. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein a content of the photopolymerization initiator (C) is 0.3 to 5.0% by weight in a total solid content of the photosensitive green composition.

8. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein the photopolymerization initiator (C) comprises an oxime ester-based photopolymerization initiator.

9. A color filter for a solid-state imaging element, comprising a filter segment made from the photosensitive green composition for a color filter of a solid-state imaging element as defined in claim 1 on a base material.

10. A solid-state imaging element comprising the color filter for a solid-state imaging element as defined in claim 9 .

11. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 1 , wherein the photopolymerizable monomer (D) comprises urethane acrylate and/or penta- or higher functional acrylate excluding urethane acrylate.

12. The photosensitive green composition for a color filter of a solid-state imaging element according to claim 11 , wherein a content of the photopolymerizable monomer (D) is 15 to 30% by weight with respect to a total solid content of the photosensitive green coloring composition, and a total content of the urethane acrylate and the penta- or higher functional acrylate excluding urethane acrylate is 50 to 90% by weight in a total solid content of the photopolymerizable monomer (D).