Patent ID: 8273270

Claim:
A photosensitive resin composition comprising: (A) a cardo-based resin including repeating units represented by the following Chemical Formulae 1 and 2; (B) a reactive unsaturated compound; (C) a pigment; (D) an initiator; and (E) a solvent: wherein, in Chemical Formulae 1 and 2, R 3 , R 4 , R 13 and R 14 are the same or different and are independently hydrogen, halogen, or substituted or unsubstituted C1 to C20 alkyl, R 1 and R 2 are the same or different and are independently hydrogen or substituted or unsubstituted (meth)acrylate, R 11 and R 12 are the same or different and are independently substituted or unsubstituted (meth)acrylate, R 5 is a substituent including an ethylenic double bond, Z 1 and Z 11 are the same or different and are independently a single bond, O, CO, SO 2 , CR 6 R 7 , SiR 8 R 9 , wherein, R 6 to R 9 are the same or different and are independently hydrogen or substituted or unsubstituted C1 to C20 alkyl, or at least one of linking groups represented by the following Chemical Formulae 3-1 to 3-11, Z 2 and Z 12 are the same or different and are independently an acid anhydride residual group or an acid dianhydride residual group, m 1 , m 2 , m 11 , and m 12 are independently integers ranging from 0 to 4, and n 1 and n 11 independently range from 1 to 30, wherein, in Chemical Formula 3-5, R a is hydrogen, ethyl, C 2 H 4 Cl, C 2 H 4 OH, CH 2 CH═CH 2 , or phenyl, wherein, in Chemical Formula 2, R 5 is a substituent represented by the following Chemical Formula 4-1 or 4-2, wherein, in Chemical Formula 4-1, Q is hydrogen or substituted or unsubstituted C1 to C20 alkyl, and wherein, in Chemical Formula 4-2, X 1 to X 5 are the same or different and are independently hydrogen, halogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C6 to C30 aryl, substituted or unsubstituted amine, or substituted or unsubstituted C1 to C20 alkoxy, and i is an integer ranging from 0 to 5.