Patent ID: 7585574

Claim:
A pyrene derivative represented by the following general formula (1): (A) k -(X) m —(Ar) n —(Y) p —(B) q (1) where: X's each represent a substituted or unsubstituted pyrene residue; A's and B's each independently represent a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group having 3 to 50 ring carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 1 to 50 ring carbon atoms, a substituted or unsubstituted alkyl or alkylene group having 1 to 50 carbon atoms, or a substituted or unsubstituted alkenyl or alkenylene group having 1 to 50 carbon atoms; Y's represent at least any one of a substituted or unsubstituted fused ring group having 5 to 50 ring carbon atoms and a fused heterocyclic group; m is 1; k and q each independently represent an integer of 0 to 4; p is 1; and n is 1 Ar group in the general formula (1) is represented by one of the following structures, which is substituted by an alkyl group or not substituted: