Photosensitive resin composition for light blocking layer and light blocking layer using the same

A photosensitive resin composition for a light blocking layer, comprising:

• (A) a colorant including a blue material including a dye represented by the following Chemical Formula 1 and a red material, wherein the colorant comprises the dye represented by Chemical Formula 1 and the red material in a weight ratio of about 10:90 to about 90:10;
• (B) a binder resin;
• (C) a photopolymerizable monomer;
• (D) a photopolymerization initiator;
• and
• (E) a solvent:
• wherein, in Chemical Formula 1,
• X1 and X2 are the same or different and are each independently a carbon atom, a sulfur atom, or an oxygen atom,
• R1 to R6 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 C3 to C20 cycloalkyl, substituted or unsubstituted C3 to C20 cycloalkenyl, substituted or unsubstituted C3 to C20 cycloalkynyl, substituted or unsubstituted C2 to C20 heterocycloalkyl, substituted or unsubstituted C2 to C20 heterocycloalkenyl, substituted or unsubstituted C2 to C20 heterocycloalkynyl, substituted or unsubstituted C6 to C30 aryl, or substituted or unsubstituted C2 to C30 heteroaryl,
• Y1 cyclic group and Y2 cyclic group are the same or different and are each independently substituted or unsubstituted C3 to C20 cycloalkyl, substituted or unsubstituted C3 to C20 cycloalkenyl, substituted or unsubstituted C3 to C20 cycloalkynyl, substituted or unsubstituted C2 to C20 heterocycloalkyl, substituted or unsubstituted C2 to C20 heterocycloalkenyl, substituted or unsubstituted C2 to C20 heterocycloalkynyl, substituted or unsubstituted C6 to C30 aryl, or substituted or unsubstituted C2 to C30 heteroaryl,
• A1 is a halide anion, perhalate anion, tetrafluoroborate anion (BF4−), a hexafluoroantimonate anion (SbF6−), a haloacetate anion, an alkylsulfate anion, a sulfonate anion, or a hexafluorophosphate anion (PF6−), and
• n1 to n4 are the same or different and are each independently 0 or 1.