Coloring composition, film, color filter, solid-state imaging element, and image display device
AssigneeFUJIFILM Corporation
InventorsShoichi NAKAMURA, Kazuya OTA, Haruki INABE
Life of this patent
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Abstract
A coloring composition includes a metal azo pigment, a compound having an ethylenically unsaturated bonding group, and a solvent, the metal azo pigment includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound, and in Formula (I), R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ═O or ═NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
Claims16
A coloring composition comprising:
- a metal azo pigment which includes at least one kind of an anion selected from an azo compound represented by Formula (I) or an azo compound having a tautomeric structure of the azo compound represented by Formula (I), two or more kinds of metal ions, and a melamine compound;
- a compound which has an ethylenically unsaturated bonding group;
- and
- a solvent,
- in the formula, R1 and R2 each independently represent OH or NR5R6, R3 and R4 each independently represent ═O or ═NR7, and R5 to R7 each independently represent a hydrogen atom or an alkyl group.
Dependencies are inferred from the claim text.