公开(公告)号：US20240222518A1

公开(公告)日：2024-07-04

申请号：US18540557

申请日：2023-12-14

Applicant: LG Display Co., Ltd.

Inventor： JuHeyuck BAECK ,  YoungHyun KO ,  DoHyung LEE ,  HongRak CHOI ,  ChanYong JEONG

IPC: H01L29/786 ,  H10K59/121

CPC classification number: H01L29/7869 ,  H01L29/78633 ,  H01L29/78645 ,  H10K59/1213

Abstract: Embodiments of the present disclosure relate to a display device, which in more detail includes a substrate, a first gate electrode on the substrate, a first gate insulating film on the first gate electrode, an oxide semiconductor layer on the first gate insulating film, a second gate insulating film on the oxide semiconductor layer, a second gate electrode on the second gate insulating film, a first interface layer between the first gate insulating film and the oxide semiconductor layer, and a second interface layer between the second gate insulating film and the oxide semiconductor layer, wherein the first interface layer and the second interface layer contain mutually-different amounts of oxygen, thereby being able to provide a transistor structure having high reliability.