Colored composition and photosensitive transfer material for producing black matrix, black matrix and method for producing the same, color filter, liquid crystal display, and black matrix substrate

1. A colored composition for producing a black matrix, the colored composition containing metal microparticles,

wherein the metal microparticles are silver microparticles having an average particle diameter of 60 to 250 nm, and

when a light-shielding layer is formed using the colored composition, the optical density per μm of thickness of the light-shielding layer is not less than 1.

2. A colored composition for producing a black matrix according to claim 1 , wherein the composition is photosensitive.

3. A photosensitive transfer material for producing a black matrix, comprising a support and a photosensitive light-shielding layer,

wherein the photosensitive light-shielding layer is made of said colored composition for producing a black matrix according to claim 2 .

4. A black matrix comprising a light-shielding layer, the light-shielding layer being made of said photosensitive transfer material for producing a black matrix according to claim 3 .

5. A color filter comprising two or more groups of pixels on a light-transmitting substrate, the groups of pixels comprising colored layers and having different colors from each other, the pixels being separated from each other by a black matrix,

wherein the black matrix is said black matrix according to claim 4 .

6. A liquid crystal display comprising a color filter, a liquid crystal layer, and a liquid crystal driving means between a pair of substrates, at least one of the substrates having a light-transmitting property,

wherein the color filter is said color filter according to claim 5 .

7. A liquid crystal display comprising a color filter, a liquid crystal layer, and a liquid crystal driving means between a pair of substrates, at least one of the substrates having a light-transmitting property,

wherein the liquid crystal driving means has active elements, and said black matrix according to claim 4 is formed between the active elements.

8. A black matrix comprising a light-shielding layer, the light-shielding layer being made of said colored composition for producing a black matrix according to claim 1 .

9. A color filter comprising two or more groups of pixels on a light-transmitting substrate, the groups of pixels comprising colored layers and having different colors from each other, the pixels being separated from each other by a black matrix,

wherein the black matrix is said black matrix according to claim 8 .

10. A liquid crystal display comprising a color filter, a liquid crystal layer, and a liquid crystal driving means between a pair of substrates, at least one of the substrates having a light-transmitting property,

wherein the color filter is said color filter according to claim 9 .

11. A liquid crystal display comprising a color filter, a liquid crystal layer, and a liquid crystal driving means between a pair of substrates, at least one of the substrates having a light-transmitting property,

wherein the liquid crystal driving means has active elements, and said black matrix according to claim 8 is formed between the active elements.

12. A colored composition for producing a black matrix according to claim 1 , wherein the content of the metal microparticles in the light-shielding layer is 10 to 90% by mass.

13. A method for producing a black matrix, comprising:

preparing a colored composition using metal microparticles having an average particle diameter of 60 to 250 nm;

forming, on a light-transmitting substrate, a layer made of said colored composition;

exposing the layer through a photomask for the black matrix; and

developing the layer wherein an optical density per μm of thickness of the developed layer is not less than 1.

14. A method for producing a black matrix according to claim 13 , wherein forming the layer made of the colored composition comprises:

laminating a photosensitive transfer material for producing a black matrix, which comprises a support and a photosensitive light-shielding layer, on a light-transmitting substrate such that the photosensitive light-shielding layer contacts the light-transmitting substrate, wherein the photosensitive light-shielding layer is made of the colored composition; and

removing the support from the laminate comprising the photosensitive transfer material and the light-transmitting substrate.

15. A method for producing a black matrix according to claim 13 , wherein the content of the metal microparticles in the black matrix is 10 to 90% by mass.

16. A black matrix substrate comprising a light-transmitting substrate and a light-shielding layer provided on the light-transmitting substrate,

wherein the light-shielding layer is a layer in which silver microparticles having an average particle diameter of 60 to 250 nm are dispersed.