公开(公告)号：US20200295290A1

公开(公告)日：2020-09-17

申请号：US16817614

申请日：2020-03-13

Applicant: JOLED Inc.

Inventor： Hiroki TSUJIMURA ,  Kazuhiro YOKOTA ,  Hideyuki SHIRAHASE ,  Kazuhiro YONEDA

IPC: H01L51/50 ,  H01L51/56

Abstract: Disclosed is a self light-emitting element including a first electrode, a light-emitting layer disposed above the first electrode, a function layer disposed above the light-emitting layer, and doped with a metal, and a second electrode disposed above the function layer, in which the function layer has a multilayer structure of at least three layers including an uppermost layer, a lowermost layer, and an intermediate layer between the uppermost layer and the lowermost layer, and the intermediate layer is doped with the metal at a lower concentration than the uppermost layer and the lowermost layer.