Patent ID: 8735027

Claim:
A photosensitive resin composition for a color filter, comprising: a dye-polymer composite including a structural unit derived from a compound represented by the following Chemical Formula 1; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; and (D) a solvent: wherein, in Chemical Formula 1, X 1 and X 2 are the same or different and are each independently alkyl; cycloalkyl; an alkyl alcohol group; a carboxylic acid group; an alkenyl alcohol group; an alkyl carboxylic acid group; or an alkenyl carboxylic acid group, or X 1 and X 2 are linked to each other to form a C3 to C15 hydrocarbon ring, R 1 to R 4 are the same or different and are each independently substituted or unsubstituted alkyl; alkenyl; alkynyl; cycloalkyl; cycloalkenyl; cycloalkynyl; or aryl, R 5 to R 7 are the same or different and are each independently halogen, a carboxylic acid group; an alkyl halogen; a sulfonic acid group; an alkylsulfonic acid group; an alkenylsulfonic acid group; sulfoneimide group; an alkylsulfoneimide group; an alkylalcohol group; an alkenyl alcohol group; an alkyl carboxylic acid group; an alkenyl carboxylic acid group; alkoxy alkylsulfonic acid group; an alkoxy alkenyl sulfonic acid group; an alkoxy alkynyl sulfonic acid group; an alkoxy alkyl carboxylic acid group; an alkoxy alkenyl carboxylic acid group; or alkoxy alkynyl carboxylic acid group, provided that at least one of R 5 and R 6 includes a functional group represented by the following Chemical Formula 2 at the terminal end, wherein, in Chemical Formula 2, R 8 is hydrogen or substituted or unsubstituted C1 to C30 alkyl, R 9 is substituted or unsubstituted C1 to C30 alkylene, R 10 is a single bond or substituted or unsubstituted C1 to C30 alkyl, Z is —N(H)—, —S—, or —O—, n is an integer ranging from 0 to 10, and Y − is a counter ion of N + .