申请人:LG CHEM, LTD.
公开号:US20200365814A1
公开(公告)日:2020-11-19
Provided is an organic light-emitting device including: a first electrode; a second electrode provided to face the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, in which the first organic material layer includes a compound of Formula 1:
wherein L1 to L3 are each independently a direct bond or a substituted or unsubstituted arylene group; and Ar1 to Ar3 are each independently a hydrogen, deuterium, or a substituted or unsubstituted aryl or heterocyclic group;
and the second organic material layer includes a compound represented by of Formula 2:
wherein L4 is a direct bond, or a substituted or unsubstituted arylene or divalent heterocyclic group; and Ar4 is a substituted or unsubstituted aryl, phosphine oxide or heterocyclic group.