公开(公告)号：US20230247852A1

公开(公告)日：2023-08-03

申请号：US17982992

申请日：2022-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： BOSEONG KIM ,  SUNGCHUL KIM ,  YONG-HYUN HWANG

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32

CPC classification number: H01L51/5253 ,  H01L27/323 ,  H01L51/56

Abstract: A display device includes: a display panel and a circuit board. The circuit board includes a base layer, a circuit pattern disposed on the base layer and electrically connected to the display panel, an alignment pattern disposed on the base layer and including the same material as the circuit pattern, a first cover layer disposed on the base layer, covering the circuit pattern, and provided with a first opening defined therethrough to expose the alignment pattern, and a second cover layer disposed on the first cover layer, provided with a second opening defined therethrough and overlapping the first opening, and including a barcode pattern defined on a surface of the second cover layer opposite to the first cover layer. The first cover layer overlapping the second opening is exposed through the second opening without being covered by the second cover layer.