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

Claim 5:
6. The organic light emitting device of claim 1, wherein HAr is a substituted or unsubstituted pyrimidinyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted triazinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted imidazolyl group, a substituted or unsubstituted benzimidazolyl group, a substituted or unsubstituted phenanthrolinyl group, a substituted or unsubstituted benzo[4,5]imidazo[1,2-c]quinazolinyl group, a substituted or unsubstituted benzo[4,5]imidazo[1,2f]-phenanthridinyl group, or a substituted or unsubstituted spiro[fluorene-9,8′-indolo[3,2,1-di]acridinyl] group.