Patent ID: 7981525

Claim:
An organic light-emitting device, comprising: an anode; a cathode; and a light-emitting layer comprising an organic compound interposed between the anode and the cathode, wherein the light-emitting layer comprises a host and a guest, wherein the host comprises a naphthalene compound represented by the general formula (1): wherein Ar 1 's each represent a substituted or unsubstituted fluoranthenyl group, and R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 each represent, independently of one another, a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and wherein the guest is a compound represented by the following structural formula: