Patent ID: 11968892
Assignee: LG CHEM, LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 4:
5. The organic light emitting device of claim 1, wherein Ar1 and Ar2 are the same as or different from each other, and each independently is hydrogen, deuterium, a phenyl group that is unsubstituted or substituted with deuterium, a naphthylphenyl group that is unsubstituted or substituted with deuterium, a biphenyl group that is unsubstituted or substituted with deuterium, a naphthyl group that is unsubstituted or substituted with deuterium, a phenanthrenyl group that is unsubstituted or substituted with deuterium, a fluoranthenyl group that is unsubstituted or substituted with deuterium, a phenylpyridinyl group that is unsubstituted or substituted with deuterium, a dibenzofuranyl group that is unsubstituted or substituted with deuterium, a dibenzothiophenyl group that is unsubstituted or substituted with deuterium, or a benzonaphthothiophenyl group that is unsubstituted or substituted with deuterium.