公开(公告)号：US20210036255A1

公开(公告)日：2021-02-04

申请号：US16901672

申请日：2020-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook KIM ,  Kyungsik KIM ,  SeulOng KIM ,  Tsuyoshi NAIJO ,  Sung-Soo BAE ,  Dongchan LEE ,  Hyein JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H01L51/50

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.