公开(公告)号：US20240258436A1

公开(公告)日：2024-08-01

申请号：US18380678

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： SOYOUNG KOO ,  TAEWOOK KANG ,  Hyoung Do Kim ,  HYUNGJUN KIM ,  YUNYONG NAM ,  JUN HYUNG LIM ,  Ki-Lim Han

IPC: H01L29/786 ,  H01L29/423 ,  H01L29/66

CPC classification number: H01L29/78696 ,  H01L29/42384 ,  H01L29/66742 ,  H01L29/7869

Abstract: A display device includes: a buffer layer including an inorganic insulating material, an active pattern disposed on the buffer layer and including a channel region and a first conductor region adjacent to the channel region, a gate insulating layer disposed on the buffer layer and the active pattern and including an inorganic insulating material, a gate electrode layer including a first electrode extending along a side surface of the gate insulating layer and including a first contact portion electrically contacting the first conductor region, and an oxygen supply layer including a first pattern disposed between the first electrode and the gate insulating layer, wherein the first pattern includes a first groove recessed from a side surface of to surround at least a part of the first contact portion in a plan view.