公开(公告)号：US20240023414A1

公开(公告)日：2024-01-18

申请号：US18302905

申请日：2023-04-19

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min CHO ,  Tae Sung KIM ,  Kyong Chol LEE

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/40 ,  H10K59/121 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/874 ,  H10K59/122 ,  H10K59/40 ,  H10K59/80518 ,  H10K59/1213 ,  H10K59/1201 ,  H10K71/00

Abstract: A display device includes a circuit array layer including first and second organic insulating layers on a pixel driving circuit, and a light emitting array layer including an organic insulating material pixel defining layer and a cathode electrode on the organic insulating material pixel defining layer A layer among the first organic insulating material planarization layer, the second organic insulating material planarization layer and the organic insulating material pixel defining layer includes a gas blocking thickness portion which extends from a surface of the layer which is closest to the cathode electrode.