公开(公告)号：US20170207290A1

公开(公告)日：2017-07-20

申请号：US15405132

申请日：2017-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Gu LEE ,  Yeon Hwa LEE ,  Se Hoon JEONG ,  Ji Young CHOUNG ,  Man Ho KIM ,  Jae Ik KIM ,  Jin Baek CHOI

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L27/3244 ,  H01L27/3262 ,  H01L51/0021 ,  H01L51/5218 ,  H01L51/5256 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323

Abstract: According to an exemplary embodiment of the present disclosure, an organic light emitting element includes: a first electrode; a second electrode overlapping the first electrode; and an emission layer disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode includes a metal layer including a first material, an oxidation layer including a second material and disposed on two opposing surfaces of the metal layer, and a barrier layer disposed at a surface of the oxidation layer, and the second material has a smaller Gibbs free energy than that of the first material.