Patent ID: 8168263

Claim:
A photo-curable composition comprising: (A) a cationic polymerizable compound, (B) a sensitizing colorant represented by the following formula (I), and (C) an onium salt: wherein, in the formula (I), X represents O, S or NR; R represents a hydrogen atom, an alkyl group, or an acyl group; n represents 0 or 1; each of R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R 8 independently represents a hydrogen atom, or a monovalent substituent, contiguous two of R 1 , R 2 , R 3 and R 4 may be linked to each other to form a ring, and R 5 or R 6 and R 7 or R 8 may be linked to each other to form an aliphatic ring, but they do not form an aromatic ring.