Patent ID: 7510782

Claim:
A polymer compound characterized by comprising a monomer unit represented by formula (2): wherein R 16 represents a hydrogen atom or an alkyl group having 1 to 12 carbon atoms; X represents a single bond, â€”Oâ€”, â€”Sâ€”, â€”SOâ€”, â€”SO 2 â€” or a divalent hydrocarbon group having 1 to 20 carbon atoms which may have a hetero atom; and R 1 to R 15 independently represent a hydrogen atom, a halogen atom, a cyano group, an amino group, a hydrocarbon alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, an aryloxy group, an aromatic group or a heterocyclic group; and wherein among R 1 to R 15 , those adjacent to each other on one phenyl group may be bonded to form a condensed ring.