| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photocurable composition free of contamination to the device, and enhancing resolution, developability, curability in depth and adhesiveness to a substrate; and to provide a color filter using the composition. <P>SOLUTION: This photopolymerization initiator is expressed by general formula (1-a), wherein R<SP POS="POST">1</SP>to R<SP POS="POST">11</SP>each represents a hydrogen atom, halogen atom, alkyl, alkenyl, cycloalkyl, cycloalkenyl, hydroxy, alkoxy, alkenyloxy, alkanoyl, alkenoyl, aryl or heterocyclic group. <P>COPYRIGHT: (C)2013,JPO&INPIT |
