| 摘要 |
PROBLEM TO BE SOLVED: To realize the formation of an image having high black color density, high color rendition and excellent durability to heat and light by a method wherein a black dye layer contains at least dyes represented by specified structural formulae. SOLUTION: A black dye layer contains dyes represented by formulae I and II. In the formula I, R1 and R2 represent a substituted or unsubstituted alkyl group, cycloalkyl group, aralkyl group or aryl group, R represents a hydrogen atom, halogen atom, cyano group, hydroxyl group, substituted or unsubstituted alkyl group, alkoxy group, cycloalkyl group, aralkyl group, aryl group, acyl group, acylamino group or sulfonyl group. R4 represents a substituted or unsubstituted alkyl group, cycloalkyl group or aralkyl group. R5 represents a substituted or unsubstituted aminocarbonyl group, alkoxycarbonyl group or aryloxycarbonyl group. In the formula II, R1 -R3 and (n) represent the same of those in the formula I. R6 and R7 represent a substituted or unsubstituted alkyl group, cycloalkyl group, aralkyl group or aryl group. |
