Patent ID: 8828631

Claim:
A pigment dispersion composition, consisting essentially of: (A) at least one pyridone azo-based compound comprising a monomer represented by the following Chemical Formula 1, a polymer including a repeating unit represented by the following Chemical Formula 2, or a combination thereof; (B) a pigment; (C) a binder resin; (D) a dispersing agent; and (E) a solvent: wherein, in Chemical Formulae 1 and 2, R 1 and R 22 are each independently hydrogen, substituted or unsubstituted C1 to C12 alkyl, a vinyl group, an amino group, a carboxyl group, or a phosphate group, R 2 , R 3 to R 6 , R 18 to R 21 , and R 23 are each independently hydrogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C2 to C20 alkenyl, substituted or unsubstituted C2 to C20 alkynyl, substituted or unsubstituted C3 to C20 cycloalkyl, substituted or unsubstituted C3 to C20 cycloalkenyl, substituted or unsubstituted C3 to C20 cycloalkynyl, or substituted or unsubstituted C6 to C30 aryl, R 7 to R 9 and R 15 to R 17 are each independently hydrogen, substituted or unsubstituted C1 to C4 alkyl, a hydroxy group, a cyano group, or a carboxyl group, R 10 , R 11 , R 13 and R 14 are each independently substituted or unsubstituted C1 to C12 alkylene, substituted or unsubstituted C6 to C30 arylene, substituted or unsubstituted alkylenearylene, or substituted or unsubstituted arylenealkylene, and R 12 is hydrogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C6 to C30 aryl, substituted or unsubstituted alkylenearyl, substituted or unsubstituted arylenealkyl, or substituted or unsubstituted C3 to C20 cycloalkyl.