公开(公告)号：US20170133616A1

公开(公告)日：2017-05-11

申请号：US15191947

申请日：2016-06-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myunghwan KIM ,  Minho PARK ,  Wonjun SONG ,  Taewoo LEE

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  H01L27/3209 ,  H01L51/5206 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5234 ,  H01L2251/301 ,  H01L2251/303

Abstract: An organic light emitting diode, including a first electrode; a first light emitting unit on the first electrode; a charge generating layer on the first light emitting unit, the charge generating layer including a plurality of organic layers; a second light emitting unit on the charge generating layer; and a second electrode on the second light emitting unit, the plurality of organic layers of the charge generating layer including a first organic layer and a second organic layer that are respectively adjacent to the first light emitting unit and the second light emitting unit; and a third organic layer between the first organic layer and the second organic layer, the first organic layer and the second organic layer being one of a p-type layer or a hole transport layer, and the third organic layer being the other of the p-type layer or the hole transport layer.