Patent ID: 8389735

Claim:
An oxadiazole derivative represented by a general formula (G1), wherein A m is a substituent represented by any of a general formula (Am1), (Am2), or (Am3); each of α and β 1 represents an arylene group having 6 to 25 carbon atoms; β 2 has 6 to 25 carbon atoms and represents a phenylene group, a naphthylene group, a biphenylene group, or a fluorene group; each of A r 1 to A r 6 represents an aryl group having 6 to 25 carbon atoms; each of R 1 to R 3 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 25 carbon atoms; and R 4 represents an aryl group having 6 to 25 carbon atoms.