abstract |
Provided is a pigment composition that provides a pigment dispersion that can be a color filter with low viscosity, high contrast, and high brightness. SOLUTION: C. I. A method for producing a pigment composition for a color filter, wherein the pigment red 177 and the derivative represented by the general formula 1 are subjected to acid pasting. (In the formula, Q represents an optionally substituted quinophthalone residue, X 1 represents a group such as —NHSO 2 —, X 2 represents an arylene group, etc., and X 3 represents — NH- and the like are represented, A and B represent a substituent having an amino group, and t represents an integer of 1 to 3.) [Selection figure] None |