Patent ID: 8623520

Claim:
A fused aromatic derivative shown by the following formula (3): wherein R a and R b are independently a hydrogen atom or a substituent, q is an integer of 1 to 11, when q is 2 or more, R a s or R b s may be independently the same or different R c is a hydrogen atom or substituent, and r is an integer of 1 to 4, and when r is two or ore, R c s may be the same or different, and Ar 3 is a substituted or unsubstituted fused aromatic ring having 10 to 20 ring carbon atoms, an aryl-substituted phenyl group shown by the following formula, or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, wherein R c ′ is a hydrogen atom or a substituent, r′ is an integer of 1 to 4, and when r′ is two or more, each R c ′ may be the same or different, and Ar 3 ′ is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms.