Photosensitive resin composition and light blocking layer using the same

A photosensitive resin composition, comprising

• (A) a cardo-based monomer represented by the following Chemical Formula 1, Chemical Formula 2, or a combination thereof;
• (B) a cardo-based resin;
• (C) a reactive unsaturated compound;
• (D) a pigment;
• (E) an initiator;
• and
• (F) a solvent:
• wherein, in Chemical Formulae 1 and 2,
• R1, R2, R11 and R12 are the same or different and are independently an organic group including a substituted or unsubstituted (meth)acrylate group,
• R3, R4, R13 and R14 are the same or different and are independently hydrogen, halogen, or substituted or unsubstituted C1 to C20 alkyl,
• Z1 and Z11 are the same or different and are independently a single bond, O, CO, SO2, CR6R7, SiR8R9 wherein R6 to R9 are the same or different and are independently hydrogen or substituted or unsubstituted C1 to C20 alkyl, or a linking group represented by the following Chemical Formula 4-1 to 4-11,
• Y1 and Y2 are the same or different and are independently hydroxy, a substituted or unsubstituted (meth)acrylate group, or an organic group including a carboxyl group,
• X11 and X12 are the same or different and are independently a linking group represented by the following Chemical Formula 7, and
• m1, m2, m11 and m12 are the same or different and are independently integers ranging from 0 to 4, and
• n11 and n12 are the same or different and are independently integers ranging from 1 to 10,
• wherein in Chemical Formula 4-5,
• Ra is hydrogen, ethyl, C2H4Cl, C2H4OH, CH2CH═CH2, or phenyl,
• wherein, in Chemical Formula 7,
• A1, A2 and A3 are the same or different and are independently carbon or nitrogen, and
• R′ is hydrogen, halogen, hydroxy, substituted or unsubstituted C1 to C20 alkyl, amine, C1 to C20 alkylamine, or C2 to C20 alkylamine.