Positive Photosensitive Resin Composition, Photosensitive Resin Film Prepared by Using the Same, and Display Device
Disclosed are a positive photosensitive resin composition including (A) a polybenzoxazole precursor having a polydispersity of about 1 to about 1.6; (B) a photosensitive diazoquinone compound; (C) a thermal acid generator; and (D) a solvent, a photosensitive resin film using the same, and a display device.
1 . A positive photosensitive resin composition, comprising:
(A) a polybenzoxazole precursor having a polydispersity of about 1 to about 1.6;
(B) a photosensitive diazoquinone compound;
(C) a thermal acid generator; and
(D) a solvent.
2 . The photosensitive resin composition of claim 1 , wherein the polybenzoxazole precursor has a weight average molecular weight (Mw) of about 3,000 g/mol to about 30,000 g/mol.
3 . The photosensitive resin composition of claim 1 , wherein the polybenzoxazole precursor comprises a repeating unit represented by the following Chemical Formula 1:
wherein, in the above Chemical Formula 1,
each X 1 is the same or different and each is independently a substituted or unsubstituted C6 to C30 aromatic organic group, and
each Y 1 is the same or different and each is independently a substituted or unsubstituted C6 to C30 aromatic organic group, a substituted or unsubstituted divalent to hexavalent C1 to C30 aliphatic organic group, or a substituted or unsubstituted divalent to hexavalent C3 to C30 alicyclic organic group.
4 . The photosensitive resin composition of claim 1 , wherein the positive photosensitive resin composition comprises:
about 5 parts by weight to about 100 parts by weight of the photosensitive diazoquinone compound (B);
about 1 part by weight to about 50 parts by weight of the thermal acid generator (C); and
about 100 parts by weight to about 400 parts by weight of the solvent (D)
each based on about 100 parts by weight of the polybenzoxazole precursor (A).
5 . The photosensitive resin composition of claim 1 , wherein the positive photosensitive resin composition further comprises an additive including a silane compound, a surfactant, a leveling agent, or a combination thereof.
6 . A photosensitive resin film prepared using the positive photosensitive resin composition of claim 1 .
7 . A display device including the photosensitive resin film of claim 6 .