| abstract |
(Pi) -conjugated compound which has a cardo structure of following General formula (1).n n n n n n n n Wherein R 1 and R 2 are a hydrogen atom, an alkyl group, an alkoxy group, a phenyl group, a naphthyl group, a phenoxy group or a halogen atom; Ar 1 is a group of the general formula (2) or (3):n n n n n n n n R 3 to R 6 are a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a heteroaryl group, an aryloxy group or a halogen atom, l and m are 0 to 3, and n is 0 to 2; Ar 2 is an aryl group or a heteroaryl group.)n n n The π-conjugated compound has good stability and is used as a light emitting material. |