Photosensitive Resin Composition and Light Blocking Layer Using the Same

A photosensitive resin composition, comprising

• (A) a binder resin including a cardo-based resin including a repeating unit represented by the following Chemical Formula 1;
• (B) a photopolymerizable monomer;
• (C) a photopolymerization initiator;
• (D) a colorant;
• and
• (E) a solvent:
• wherein, in the above Chemical Formula 1,
• Y1 is a residual group of acid dianhydride,
• R1, R2, R40 and R41 are the same or different and 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 C1 to C20 alkoxy, substituted or unsubstituted C3 to C20 cycloalkyl, substituted or unsubstituted C3 to C20 cycloalkenyl, substituted or unsubstituted C3 to C20 cycloalkynyl, substituted or unsubstituted C6 to C30 aryl, or substituted or unsubstituted (meth)acrylate,
• wherein at least one of R1 and R2, or at least one of R40 and R41 is substituted or unsubstituted (meth)acrylate,
• R3 to R6 are the same or different and are each independently substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C2 to C20 alkenyl, substituted or unsubstituted C2 to C20 alkynyl, substituted or unsubstituted C1 to C20 alkoxy, 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,
• a1 to a4 are the same or different and are each independently integers ranging from 0 to 4, and
• b1 and b2 are the same or different and are each independently integers ranging from 0 to 10.