公开(公告)号：US20230240105A1

公开(公告)日：2023-07-27

申请号：US18097135

申请日：2023-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyun-Chol BANG ,  Dae Suk KIM ,  Yanghee KIM ,  Young-Soo YOON ,  Il Goo YOUN ,  Bong Won LEE ,  So Young LEE ,  Sukyo JUNG

IPC: H10K59/131 ,  H01L21/66 ,  G01R31/28

CPC classification number: H10K59/131 ,  H01L22/32 ,  G01R31/2884

Abstract: A display device includes a substrate including a first display area, a second display area, and a non-display area, a plurality of first signal lines extending in a first direction and disposed in the first display area, a plurality of second signal lines extending from the non-display area in the first direction and disposed in the second display area, a plurality of connection lines connected to the first signal lines and extending to the non-display area via the first display area and the second display area, and a test circuit portion disposed in the non-display area. At least some of the plurality of connection lines and at least some of the second signal lines are electrically the test circuit portion.