公开(公告)号：US20250143140A1

公开(公告)日：2025-05-01

申请号：US18677307

申请日：2024-05-29

Applicant: Samsung Display Co., LTD.

Inventor： Nam Jin KIM ,  Yeon Ju SEO ,  Ki Hoon KIM

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122 ,  H10K59/40 ,  H10K71/60

Abstract: A display device includes: a substrate comprising a display area in which emission areas are arranged and a non-display area around the display area; a circuit layer on the substrate; and an element layer on the circuit layer, wherein the non-display area includes: a dam area where at least one dam portion surrounding the display area is arranged and spaced apart from the display area; and a junction area between an edge of the substrate and the dam area, wherein the circuit layer includes: a barrier layer on the substrate; a buffer layer on the barrier layer; and two or more inorganic insulating layers on the buffer layer and containing an inorganic insulating material, the display device further comprising a groove in a part of the junction area, spaced apart from the dam area and the edge of the substrate, and penetrating the barrier layer and the buffer layer.