公开(公告)号：US20190206969A1

公开(公告)日：2019-07-04

申请号：US16143934

申请日：2018-09-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JIN HO HWANG ,  Byeong-Beom KIM ,  Chul Min BAE ,  Woo-Seok JEON

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device includes: a substrate; a semiconductor on the substrate and including a driving channel; a first insulating layer on the semiconductor; a driving gate electrode on the first insulating layer and overlapping the driving channel; a second insulating layer on the driving gate electrode and the first insulating layer and including first and second dielectric constant layers, the second dielectric constant layer having a dielectric constant that is greater than that of the first dielectric constant layer; a storage electrode on the second insulating layer; a passivation layer covering the storage electrode and the second insulating layer; a pixel electrode on the passivation layer; an emission member on the pixel electrode; and a common electrode on the emission member, wherein the storage electrode overlaps the driving gate electrode, and wherein the storage electrode, the driving gate electrode and the second insulating layer therebetween form a storage capacitor.