Photosensitive Resin Composition for Color Filter and Color Filter Using the Same

A photosensitive resin composition for a color filter, comprising

• (A) a dye-polymer composite wherein the dye includes a repeating unit derived from a compound represented by the following Chemical Formula 1;
• (B) a binder resin;
• (C) a photopolymerizable monomer;
• (D) a photopolymerization initiator;
• and
• (E) a solvent:
• in the above Chemical Formula 1,
• X1 is substituted or unsubstituted C3 to C30 cycloalkenylene, substituted or unsubstituted C3 to C30 heterocycloalkenylene, or a combination thereof,
• X2 and X3 are the same or different and are each independently substituted or unsubstituted C6 to C30 arylene, substituted or unsubstituted C6 to C30 alkylarylene, substituted or unsubstituted C3 to C30 heteroarylene, or a combination thereof,
• Y1 is —NR3R4, —OR5, or —SR6,
• R1 to R6 are the same or different and are each independently hydrogen, substituted or unsubstituted C1 to C30 alkyl, substituted or unsubstituted C3 to C30 cycloalkyl, substituted or unsubstituted C6 to C30 aryl, substituted or unsubstituted C6 to C30 alkylaryl, substituted or unsubstituted C3 to C30 heteroaryl, or a combination thereof,
• Y2 is —NR20R21, —OR22 or —SR23,
• R20 and R21 are the same or different and are each independently hydrogen, substituted or unsubstituted C1 to C30 alkyl, substituted or unsubstituted C3 to C30 cycloalkyl, substituted or unsubstituted C6 to C30 aryl, substituted or unsubstituted C6 to C30 alkylaryl, substituted or unsubstituted C3 to C30 heteroaryl, substituted or unsubstituted (meth)acrylate, or a combination thereof,
• wherein at least one of R20 and R21 is C1 to C30 alkyl substituted with a (meth)acrylate group, C3 to C30 cycloalkyl substituted with a (meth)acrylate group, C6 to C30 aryl substituted with a (meth)acrylate group, C6 to C30 alkylaryl substituted with a (meth)acrylate group, C3 to C30 heteroaryl substituted with a (meth)acrylate group, or a (meth)acrylate group,
• R22 and R23 are the same or different and are each independently C1 to C30 alkyl substituted with a (meth)acrylate group, C3 to C30 cycloalkyl substituted with a (meth)acrylate group, C6 to C30 aryl substituted with a (meth)acrylate group, C6 to C30 alkylaryl substituted with a (meth)acrylate group, C3 to C30 heteroaryl substituted with a (meth)acrylate group, or (meth)acrylate group, and
• V− is a counter ion of N+.