Compound and organic light emitting device comprising the same

Abstract

Provided is a compound of Chemical Formula 1 or 2: wherein: X1 to X3 are N or CH, with the proviso that at least one of X1 to X3 is N; Y is O or S; L1 and L2 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; and Ar is a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing one to three heteroatoms selected from the group consisting of N, O, and S, and an organic light emitting device including the same.

Dependencies are inferred from the claim text.