公开(公告)号：US20190245016A1

公开(公告)日：2019-08-08

申请号：US16256797

申请日：2019-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yongsu LEE ,  Sunghwan CHOI ,  Sunghoon YANG ,  Thanh Tien NGUYEN ,  Myounggeun CHA

IPC: H01L27/32 ,  H01L27/12

CPC classification number: H01L27/3246 ,  H01L27/1222 ,  H01L27/3258 ,  H01L27/3276

Abstract: A display apparatus includes a base substrate, a conductive layer disposed on the base substrate to cover entire of the base substrate, wherein the conductive layer is configured to be applied with a ground voltage, a buffer layer disposed on the conductive layer, an active pattern comprising a drain region, a source region and a channel region between the drain region and the source region, a first insulation layer disposed on the active pattern, a gate pattern disposed on the first insulation layer and comprising a gate electrode which overlapping the channel region of the active pattern, a second insulation layer disposed on the gate pattern, and a data pattern comprising a source electrode electrically connected to the source region of the active pattern, and a drain electrode electrically connected to the drain region of the active pattern.