Photosensitive resin composition for color filter, and color filter using the same
Disclosed are a photosensitive resin composition for a color filter including (A) an acrylic-based binder resin including at least one repeating unit represented by the following Chemical Formula 1, at least one repeating unit represented by the following Chemical Formula 2 and at least one repeating unit represented by the following Chemical Formula 3, (B) a photopolymerizable monomer, (C) a photopolymerization initiator, (D) a colorant, and (E) a solvent, and a color filter using the same. In the above Chemical Formulae 1 to 3, each substituent is the same as defined in the detailed description.
1. A photosensitive resin composition for a color filter, comprising
(A) an acrylic-based binder resin including at least one repeating unit represented by the following Chemical Formula 1, at least one repeating unit represented by the following Chemical Formula 2 and at least one repeating unit represented by the following Chemical Formula 3;
(B) a photopolymerizable monomer;
(C) a photopolymerization initiator;
(D) a colorant; and
(E) a solvent:
wherein, in the above Chemical Formulae 1 to 3,
R 1 , R 4 , and R 8 are the same or different and are each independently hydrogen or substituted or unsubstituted C 1 to C 10 alkyl,
R 2 is substituted or unsubstituted C 1 to C 10 alkylene,
R 5 is a single bond or substituted or unsubstituted C 1 to C 10 alkylene,
R 3 is substituted or unsubstituted C 2 to C 20 alkynyl, substituted or unsubstituted C 3 to C 20 cycloalkyl, substituted or unsubstituted C 3 to C 20 cycloalkenyl, substituted or unsubstituted C 3 to C 20 cycloalkynyl, or substituted or unsubstituted epoxy, and
R 6 and R 7 are the same or different and are each independently substituted or unsubstituted C 1 to C 20 alkyl, substituted or unsubstituted C 2 to C 20 alkenyl, substituted or unsubstituted C 2 to C 20 alkynyl, substituted or unsubstituted C 3 to C 20 cycloalkyl, substituted or unsubstituted C 3 to C 20 cycloalkenyl, substituted or unsubstituted C 3 to C 20 cycloalkynyl, or substituted or unsubstituted C 6 to C 30 aryl.
2. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin comprises about 65 to about 80 mol % of the repeating unit represented by Chemical Formula 1, about 5 to about 15 mol % of the repeating unit represented by Chemical Formula 2, and about 15 to about 25 mol % of the repeating unit represented by Chemical Formula 3.
3. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin comprises repeating units represented by the following Chemical Formulae 4 to 8:
4. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin comprises a structural unit represented by the following Chemical Formula 9:
wherein, in the above Chemical Formula 9,
a 1 , a 2 , a 3 , b, and c are the same or different and are each independently integers ranging from 1 to 50.
5. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin has a weight average molecular weight of about 6,000 to about 15,000 g/mol.
6. The photosensitive resin composition for a color filter of claim 1 , wherein the colorant comprises a dye, a pigment, or a combination thereof.
7. The photosensitive resin composition for a color filter of claim 1 , wherein the photosensitive resin composition for a color filter comprises:
about 1 to about 40 wt % of the acrylic-based binder resin (A);
about 1 to about 30 wt % of the photopolymerizable monomer (B);
about 0.1 to about 10 wt % of the photopolymerization initiator (C);
about 1 to about 40 wt % of the colorant (D); and
a balance amount of the solvent (E).
8. The photosensitive resin composition for a color filter of claim 1 , wherein the photosensitive resin composition for a color filter further comprises malonic acid; 3-amino-1,2-propanediol; a silane-based coupling agent having a vinyl group or a (meth)acryloxy group; a leveling agent; fluorine-based surfactant; radical polymerization initiator, or a combination thereof.
9. A color filter manufactured using the photosensitive resin composition for a color filter according to claim 1 .
10. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin comprises at least one or more repeating units represented by Chemical Formula 1, wherein R 3 is substituted or unsubstituted C 3 to C 20 cycloalkyl and/or substituted or unsubstituted epoxy.
11. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin comprises a repeating unit represented by Chemical Formula 1 wherein R 3 is substituted or unsubstituted C 3 to C 20 cycloalkyl; and a repeating unit represented by Chemical Formula 1 wherein R 3 is substituted or unsubstituted epoxy; and wherein the acrylic-based binder resin further comprises a repeating unit represented by the following Chemical Formula 1a:
wherein R 1 and R 2 are the same as defined in claim 1 and wherein R 3 is substituted or unsubstituted C 6 to C 30 aryl.
12. The photosensitive resin composition for a color filter of claim 1 , wherein the acrylic-based binder resin further comprises at least one repeating unit represented by the following Chemical Formula 1a:
wherein R 1 and R 2 are the same as defined in claim 1 and R 3 is substituted or unsubstituted C 1 to C 20 alkyl or substituted or unsubstituted C 6 to C 30 aryl.