Light shielding film for display device, production process thereof, metal-particle-containing composition, photosensitive transfer material, substrate for display device, and color filter

1. A light shielding film for a display device, comprising a polymer binder, particles of metal dispersed in the polymer binder, and a compound including a sulfur atom or a nitrogen atom,

wherein the metal is selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper, or is an alloy comprising a metal selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper,

and wherein a content of the compound including a sulfur atom or a nitrogen atom is 1% by mass or higher based on an amount of the particles of metal.

2. The light shielding film according to claim 1 , wherein a content of the compound including a sulfur atom or a nitrogen atom is 3 to 30% by mass based on an amount of the particles of metal.

3. The light shielding film according to claim 1 , wherein a content of the compound including a sulfur atom or a nitrogen atom is 10 to 20% by mass based on an amount of the particles of metal.

4. The light shielding film according to claim 1 , wherein the compound including a sulfur atom or a nitrogen atom includes a thiol group, a thioether group, a thioxo group, an amino group, or an imino group.

5. The light shielding film according to claim 1 , wherein the particles of metal are dispersed in a dispersing medium having an SP value of 9.0 or higher.

6. A composition comprising a polymer binder, particles of metal, and a compound including a sulfur atom or a nitrogen atom,

wherein the metal is selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper, or is an alloy comprising a metal selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper, and

wherein a content of the compound including a sulfur atom or a nitrogen atom is 1% by mass or higher based on an amount of the particles of metal.

7. The composition according to claim 6 , wherein the composition is photosensitive.

8. A photosensitive transfer material comprising a temporary support and a photosensitive light shielding layer provided on the temporary support, wherein the photosensitive light shielding layer comprises a polymer binder, particles of metal, and a compound including a sulfur atom or a nitrogen atom,

wherein the metal is selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper, or is an alloy comprising a metal selected from the group consisting of silver, gold, platinum, palladium, tungsten, titanium, and copper, and

wherein a content of the compound including a sulfur atom or a nitrogen atom is 1% by mass or higher based on an amount of the particles of metal.

9. A process for producing a light shielding film, comprising: providing the composition of claim 6 ; and applying the composition to a substrate to form the light shielding film on the substrate.

10. The process according to claim 9 , further comprising patterning the composition applied to the substrate, wherein the composition is photosensitive.

11. A process for forming a light shielding film, comprising:

providing the photosensitive transfer material of claim 8 ;

transferring the photosensitive light shielding layer of the photosensitive transfer material to a substrate; and

patterning the photosensitive light shielding layer on the substrate.

12. A light shielding film produced by the process of claim 9 .

13. A light shielding film produced by the process of claim 10 .

14. A light shielding film produced by the process of claim 11 .

15. A substrate for a display device, comprising the light shielding film of claim 1 .

16. A color filter for a display device, comprising the light shielding film of claim 1 .

17. The light shielding film according to claim 1 , wherein the metal is silver or a silver alloy.

18. The composition according to claim 6 , wherein the metal is silver or a silver alloy.

19. The photosensitive transfer material according to claim 8 , wherein the metal is silver or a silver alloy.