| abstract |
A fused aromatic ring derivative shown by the following formula (1): n nwherein R a and R b are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, when p is 2 or more, plural R a s may be independently the same or different and adjacent R a s may form a ring, when q is 2 or more, plural R b s may be independently the same or different, L 1 is a single bond, or a substituted or unsubstituted divalent linking group, and Ar 1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that the substituent of L 1 , the substituent of Ar 1 , R a and R b contain no substituted or unsubstituted amino group. |