公开(公告)号：US20250089476A1

公开(公告)日：2025-03-13

申请号：US18674046

申请日：2024-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUN WOO LEE ,  RAN KIM ,  UIYOUNG PARK

IPC: H10K59/124 ,  G09G3/32 ,  H10K59/121

Abstract: A display device according to an embodiment includes a barrier layer on a substrate and including a trench, a first buffer layer on the barrier layer and arranged along a profile of the trench, a second buffer layer on the first buffer layer and arranged along a profile of the first buffer layer, a semiconductor layer on the second buffer layer and including a channel region overlapping the trench, a gate insulating layer on the semiconductor layer and overlapping the channel region, and a gate electrode on the gate insulating layer and overlapping the channel region, and a thickness of the first buffer layer is thinner than a thickness of the second buffer layer.