公开(公告)号：US20180166519A1

公开(公告)日：2018-06-14

申请号：US15837584

申请日：2017-12-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heejin KIM ,  Youngsun HWANG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L27/3246 ,  H01L27/322 ,  H01L51/0045 ,  H01L51/5044 ,  H01L51/5064 ,  H01L51/508 ,  H01L51/5253 ,  H01L51/5278 ,  H01L51/5284 ,  H01L2251/5369

Abstract: An organic light emitting display device is capable of substantially preventing the occurrence of color mixture and improve the color purity, the organic light emitting display device including: a substrate; a first electrode on the substrate; a pixel defining layer defining a first opening which exposes at least a portion of the first electrode; a first organic light emission layer on the first electrode; and a second electrode on the first organic light emission layer, wherein the pixel defining layer may include quantum dots.