Dye-containing negative-type curable composition, color filter, and method of producing the same

1 . A dye-containing negative-type curable composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains two or more kinds of organic solvents.

2 . A dye-containing negative-type curable composition according to claim 1 , wherein the organic solvent (E) contains a hydroxyl-containing organic solvent and a hydroxyl-free organic solvent.

3 . A dye-containing negative-type curable composition according to claim 2 , wherein the hydroxyl-free organic solvent is a ketone group-containing organic solvent.

4 . A dye-containing negative-type curable composition according to claim 3 , wherein the ketone group is a cyclic ketone group.

5 . A color filter comprising a dye-containing negative-type curable composition used therein, the composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains two or more kinds of organic solvents.

6 . A method of producing a color filter, which comprises applying a dye-containing negative-type curable composition onto a support, exposing the composition to light through a mask, and developing the composition to form a pattern,

the composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains two or more kinds of organic solvents.

7 . A dye-containing negative-type curable composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains a high-boiling solvent having a boiling point of 160° C. or more.

8 . A dye-containing negative-type curable composition according to claim 7 , wherein the boiling point of the high-boiling solvent is 160 to 270° C.

9 . A dye-containing negative-type curable composition according to claim 7 , wherein the organic solvent (E) further contains a low-boiling solvent.

10 . A dye-containing negative-type curable composition according to claim 8 , wherein the organic solvent (E) further contains a low-boiling solvent.

11 . A dye-containing negative-type curable composition according to claim 9 , wherein the boiling point of the low-boiling solvent is 155° C. or less.

12 . A dye-containing negative-type curable composition according to claim 10 , wherein the boiling point of the low-boiling solvent is 155° C. or less.

13 . A dye-containing negative-type curable composition according to claim 7 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

14 . A dye-containing negative-type curable composition according to claim 8 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

15 . A dye-containing negative-type curable composition according to claim 9 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

16 . A dye-containing negative-type curable composition according to claim 10 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

17 . A dye-containing negative-type curable composition according to claim 11 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

18 . A dye-containing negative-type curable composition according to claim 12 , wherein the organic solvent (E) contains the high-boiling solvent in an amount of 0.5 to 20.0 parts by mass based on 100 parts by mass of the organic solvent (E).

19 . A color filter comprising a dye-containing negative-type curable composition used therein, the composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains a high-boiling solvent having a boiling point of 160° C. or more.

20 . A method of producing a color filter, which comprises applying a dye-containing negative-type curable composition onto a support, exposing the composition to light through a mask, and developing the composition to form a pattern,

the composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a photopolymerizable compound, and (E) an organic solvent, wherein the organic solvent (E) contains a high-boiling solvent having a boiling point of 160° C. or more.