公开(公告)号：US20220069043A1

公开(公告)日：2022-03-03

申请号：US17406068

申请日：2021-08-18

Applicant: Samsung Display Co., LTD.

Inventor： Beom Joon KIM ,  Hyo Min KO ,  Sang Gyun KIM ,  Bo Ra LEE

IPC: H01L27/32

Abstract: A display device includes a first substrate on which a thin film transistor is disposed, a planarization layer disposed on the first substrate, where the planarization layer includes a plurality of protrusions, a first electrode disposed on the planarization layer, a pixel defining layer disposed on the first electrode, where the pixel defining layer includes a plurality of insulating patterns corresponding to the protrusions, a light emitting layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the light emitting layer.