Patent ID: 8178216

Claim:
A quinoxaline derivative represented by a general formula (1): wherein Ar 1 represents one selected from a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group, wherein Ar 2 represents one selected from a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted terphenyl group, wherein α 1 represents an arylene group having 6 to 25 carbon atoms, wherein R 12 to R 15 are the same or different from one another, and each of them represents one selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, wherein R 11 represents an alkyl group having 1 to 4 carbon atoms, and wherein a substituent on Ar 1 and Ar 2 is an alkyl group having 1 to 4 carbon atoms.