公开(公告)号：US10714559B2

公开(公告)日：2020-07-14

申请号：US15405132

申请日：2017-01-12

申请人： Samsung Display Co., Ltd.

发明人： Joon Gu Lee ,  Yeon Hwa Lee ,  Se Hoon Jeong ,  Ji Young Choung ,  Man Ho Kim ,  Jae Ik Kim ,  Jin Baek Choi

IPC分类号： H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

摘要： 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.