abstract |
A pigment dispersion composition having excellent pigment dispersion stability is provided. A pigment dispersion composition of the present invention includes an alkali-soluble resin, a pigment, a pigment dispersant, and a solvent, and the alkali-soluble resin includes a structural unit having a biphenyl group in a side chain, The acid value of the pigment dispersant is 15 mgKOH / g or less. In one embodiment, the amine value of the pigment dispersant is 25 mg KOH / g or less. [Selection figure] None |