Patent ID: 8034944

Claim:
A benzofluoranthene compound represented by the following general formula (1): wherein one of X 3 and X 4 represents a substituted or unsubstituted fused heterocyclic group, and the other of X 3 and X 4 , X 1 , X 2 , X 5 , and X 6 each represent a hydrogen atom, and wherein the fused heterocyclic group is a substituent represented by the following general formula (2): wherein one of X 7 , X 9 , and X 10 represents a bond, and the others of X 7 , X 9 , and X 10 , X 8 , X 11 , X 12 , and X 13 each represent a hydrogen atom, or by the following general formula (4): wherein X 23 represents a bond; X 21 , X 22 , X 24 , X 25 , X 26 , and X 27 each represent, independently of one another, a hydrogen atom, an alkyl group or a phenyl group; and R 1 and R 2 each represent, independently of one another, a methyl group, an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, an iso-butyl group, a sec-butyl group, and a tert-butyl group, or by the following general formula (6): wherein X 38 represents a bond; X 37 , X 39 , X 40 , X 41 , X 42 , X 43 , X 44 , and X 45 each represent, independently of one another, a hydrogen atom, an alkyl group or a phenyl group; and the alkyl group is any one of a methyl group, an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, an iso-butyl group, a sec-butyl group, and a tert-butyl group.