申请人:NOMURA Kimiatsu
公开号:US20090184235A1
公开(公告)日:2009-07-23
A merocyanine dye is provided. The merocyanine dye is represented by formula (1).
In the formula (1), A
1
represents a divalent atomic group, n represents an integer of 1 to 3, A
2
and A
3
each independently represent an aromatic hydrocarbon ring or a heterocyclic ring having 3 to 18 carbon atoms, and R
11
and R
12
each independently represent a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, an aryl group having 6 to 18 carbon atoms, or a heterocyclic group having 3 to 18 carbon atoms.