| 摘要 |
PROBLEM TO BE SOLVED: To provide a dye from which a color filter excellent in heat resistance can be formed.SOLUTION: The dye comprises a compound represented by formula (I) or its tautomer. In formula (I), Rto Reach independently represent an H atom, a halogen atom, a hydroxy group, or an alkyl group; Rto Reach independently represent an H atom, an alkyl group that is substituted with an amino or a halogen atom or not substituted, or a substituted or unsubstituted aryl group; A represents a substituted or unsubstituted heteroaromatic group; two of Rto Rare alkyl phenyl groups having a sulfonic acid group, and others are each independently represent an alkyl group; Rto Reach independently represent an H atom, a halogen atom, a hydroxy group, or an alkyl group; and Rrepresents a phenylamino group having an alkyl or alkoxy group. |
