Compound and organic light emitting device comprising the same

    公开(公告)号:US11370782B2

    公开(公告)日:2022-06-28

    申请号:US16645770

    申请日:2019-03-06

    申请人: LG CHEM, LTD.

    摘要: Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, with the proviso that at least one X is N; Y is O or S; L1 and L2 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of N, O, and S; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O, and S; and Ar3 is a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O, and S; and to an organic light emitting device including the same.