Heterocyclic compound and organic light-emitting device including the same

The heterocyclic compound of claim 1, wherein the rings A1 and the rings B1 are each independently one of a substituted or unsubstituted benzene ring, a substituted or unsubstituted anthracene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted fluorene ring, a substituted or unsubstituted pyridine ring, a substituted or unsubstituted carbazole ring, a substituted or unsubstituted thiophene ring, a substituted or unsubstituted dibenzothiophene ring, or a substituted or unsubstituted dibenzofuran ring.

The heterocyclic compound of claim 1, wherein the rings A1 and the rings B1 are each independently a group represented by one of Formulae 3a to 3f:

The heterocyclic compound of claim 1, wherein the rings A1 and the rings B1 are each independently a group represented by one of Formulae 4a to 4f:

The heterocyclic compound of claim 1, wherein R1 to R8 are each independently one of a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted methyl group, a substituted or unsubstituted ethyl group, a substituted or unsubstituted propyl group, a substituted or unsubstituted butyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthryl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted pyrenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted naphthacenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted bipyridinyl group, a substituted or unsubstituted pyrazinyl group, a substituted or unsubstituted pyrimidinyl group, a substituted or unsubstituted pyridazinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzothiophenyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, or a group represented by -ph-N(Q3)(Q4),nwherein at least one of R1 or R2, at least one of R3 or R4, at least one of R5 or R6, and at least one of R7 or R8 are each independently one of a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted methyl group, a substituted or unsubstituted ethyl group, a substituted or unsubstituted propyl group, a substituted or unsubstituted butyl group, a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthryl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted pyrenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted naphthacenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted bipyridinyl group, a substituted or unsubstituted pyrazinyl group, a substituted or unsubstituted pyrimidinyl group, a substituted or unsubstituted pyridazinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzothiophenyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, or a group represented by -ph-N(Q3)(Q4),wherein Q3 and Q4 are each independently one of a substituted or unsubstituted C6-C30 aryl group or a substituted or unsubstituted C2-C30 heteroaryl group.

The heterocyclic compound of claim 1, wherein R1, R4, R5 and R8 are each independently one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted pyridinyl group, a substituted or unsubstituted carbazolyl group, a substituted or unsubstituted benzothiophenyl group, a substituted or unsubstituted dibenzothiophenyl group, a substituted or unsubstituted dibenzofuranyl group, or a group represented by -ph-N(ph)(ph); andnR2, R3, R6 and R7 are each independently a hydrogen atom or a deuterium atom.

The heterocyclic compound of claim 1, wherein the heterocyclic compound is one of Compounds 1 to 168:

An organic light-emitting device comprising a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, the organic layer comprising the heterocyclic compound of claim 1.