公开(公告)号：US20210273192A1

公开(公告)日：2021-09-02

申请号：US17060733

申请日：2020-10-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Taehyung KIM ,  Hyoyeon KIM ,  Huiju PARK ,  Dongkyu LEE ,  Seho LEE ,  Yongdae LEE ,  Changgwi JIN ,  Jungho CHOI

IPC: H01L51/50 ,  C07D471/04 ,  C09K11/06 ,  H01L51/00

Abstract: Provided are an organic light-emitting device and an apparatus including the same. The organic light-emitting device includes 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 includes m emission units; and m-1 charge generation units between two neighboring emission units among the m emission units, wherein m is an integer of 2 or more, and at least one of the m-1 charge generation units includes a heterocyclic compound represented by Formula 1 below: Substituents in Formula 1 may be understood as described in connection with the detailed description.