Photosensitive resin compositions, processes for preparing cured films, the resulting cured films, organic EL display devices and liquid crystal display devices
Provided is a photosensitive resin composition having high sensitivity and storage stability. The photosensitive resin composition comprises (A) a polymer component including a polymer satisfying at least one of (1) and (2) below: (1) a polymer comprising (a1) a structural unit containing a group in which an acid group is protected by an acid-dissociable group, and (a2) a structural unit containing a crosslinkable group, and (2) a polymer comprising (a1) a structural unit containing a group in which an acid group is protected by an acid-dissociable group, and a polymer comprising (a2) a structural unit containing a crosslinkable group; (B) a compound represented by formula (I) below; and (C) a solvent;
1. A compound represented by formula (I) below:
wherein R 1 represents an alkyl group; R 2 represents an alkyl group, an aryl group or a heteroaryl group; R 3 to R 6 each represent a hydrogen atom, an alkyl group, an aryl group or a halogen atom; or R 3 and R 4 , R 4 and R 5 , or R 5 and R 6 may be taken together to form an alicyclic ring or an aromatic ring; and X represents —O— or —S—.
2. The compound according to claim 1 , wherein R 1 is an alkyl group containing 3 to 10 carbon atoms.
3. The compound according to claim 1 , wherein R 1 is an alkyl group having a branched-chain structure, or a cyclic alkyl group.
4. The compound according to claim 1 , wherein the compound represented by formula (I) is any one of compounds B-1 to B-29 shown below;
5. The compound according to claim 1 , wherein R 1 represents a branched chain alkyl group containing 3 to 6 carbon atoms or a cyclic alkyl group containing 5 to 7 carbon atoms.
6. The compound according to claim 1 , wherein R 1 represents an isopropyl, tert-butyl, neopentyl or cyclohexyl.
7. The compound according to claim 1 , wherein R 1 represents tert-butyl.