公开(公告)号：US20250040360A1

公开(公告)日：2025-01-30

申请号：US18632476

申请日：2024-04-11

Applicant: Samsung Display Co., LTD.

Inventor： Hee Sung YANG ,  Su Kyeong SHIN ,  Woo Jin CHO ,  Sang Gab KIM ,  Joon Hwa BAE

IPC: H10K59/124

Abstract: A display device includes: a substrate; a thin film transistor positioned on the substrate and including a source electrode, a drain electrode, and an active layer positioned between the source electrode and the drain electrode; a gate electrode positioned on the thin film transistor and overlapping the active layer in a plan view; a gate protection layer positioned on the gate electrode and overlapping the active layer in the plan view; an insulating layer positioned on the gate protection layer; and a gate cover layer positioned between side surfaces of the gate electrode and the insulating layer, where the gate cover layer includes a first portion and a second portion spaced apart from the first portion with the gate electrode interposed therebetween, and the first portion and the second portion are in contact with the gate protection layer.