公开(公告)号：US20200373492A1

公开(公告)日：2020-11-26

申请号：US16696939

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hojung Syn ,  Jinwon Sun ,  Hyun Shin ,  Bohyun Yoon

IPC: H01L51/00

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer and a buffer layer between the emission layer and the second electrode, the buffer layer directly contacts the emission layer and includes a first compound and a quinolinolato-based metal complex, and the first compound is a compound including at least one electron transporting moiety.