公开(公告)号：US20230317883A1

公开(公告)日：2023-10-05

申请号：US18103726

申请日：2023-01-31

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Sok Ho LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/54 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/54 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a pad electrode disposed on a substrate, a pad electrode upper layer disposed on the pad electrode, a first pad electrode capping layer disposed on the pad electrode upper layer, a second pad electrode capping layer disposed on the first pad electrode capping layer, a protective layer disposed on the second pad electrode capping layer, and a capping layers disposed on the protective layer. The protective layer comprises a polymer resin and scattering particles. The protective layer comprises a first pad opening exposing the second pad electrode capping layer.