摘要 |
The present invention provides a blue laser light-absorbent substance, which is suitably used in organic photo conductor, laser optical data carrier or organic light-emitting diodes. The blue laser light-absorbent substance includes a merocyanine compound of the general formula (1) wherein n is an integer of from 0 to 3; R1 is unsubstituted or phenyl-, halogen-, ester-, siliy-substituted linear or branched alkyl group having 1 to 6 carbon atoms; R2 is unsubstituted or substituted phenyl, benzyl or naphthyl; N and R1R2 together represent aromatic-fused N-containing heterocyclic group (NR1R2); Y1 is unsubstituted or substituted alkoxy group having 1 to 8 carbon atoms; Y2 is cyano, nitro, halogen or carboxylate; or O and Y1Y2 together represent epoxy or N-containing heterocyclic hydrocarbonyl ketone (OY1Y2). |