Patent ID: 8377574

Claim:
A dibenzo[c,g]fluorene compound represented by General Formula (1): wherein, X 1 and X 2 each represent a hydrogen atom, a substituted or unsubstituted aryl group, or a substituted or unsubstituted alkyl group and may be the same or different, Ar 1 and Ar 2 each represent a substituted or unsubstituted arylene group and may be the same or different, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , and R 12 each represent a hydrogen atom, a substituted or unsubstituted alkyl group and may be the same or different, and a and b each represent an integer of 0 to 3, provided that a +b is 1 or more and 4 or less, and when a is 2 or more, Ar 1 's may be the same or different and when b is 2 or more, Ar 2 's may be the same or different.