公开(公告)号：US20190013495A1

公开(公告)日：2019-01-10

申请号：US15894334

申请日：2018-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Suk Kim ,  Gee-Bum Kim ,  Sung Kook Park

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a substrate. A first electrode is disposed on the substrate. A pixel definition layer is disposed on the substrate. A second electrode is disposed on the first electrode and the pixel definition layer. An organic emission layer is disposed between the first electrode and the second electrode. A planarization layer is disposed on the second electrode. A low refractive index layer is disposed on the planarization layer and overlaps the pixel definition layer. A high refractive index layer is disposed on the planarization layer and overlaps the second electrode. The high refractive index layer has a higher refractive index than that of the low refractive index layer.