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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.