公开(公告)号：US20230316965A1

公开(公告)日：2023-10-05

申请号：US18082187

申请日：2022-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： AHNHO JEE ,  HEEBUM PARK ,  SANG-WOO PARK ,  KEUNHYUK YOUN ,  SUNGHO CHO

IPC: G09G3/00

CPC classification number: G09G3/006 ,  G09G2310/0267 ,  G09G2330/12

Abstract: A method of testing a display device including a display panel which displays an image and a driver which drives the display panel including measuring a driving operating current in a state where the driver is enabled and the display panel is disabled, and determining whether the driver is defective, based on the driving operating current and measuring a display operating current in a state where the driver and the display panel are enabled, and determining whether the display panel is defective, based on the display operating current.

公开(公告)号：US20230230517A1

公开(公告)日：2023-07-20

申请号：US18148223

申请日：2022-12-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： AHNHO JEE ,  SANG-WOO PARK ,  SUNGHO CHO

IPC: G09G3/00 ,  H10K59/131 ,  H10K59/121

CPC classification number: G09G3/006 ,  H10K59/131 ,  H10K59/1213

Abstract: A display device includes a display layer including an active area in which a plurality of pixels is arranged and a peripheral area located adjacent to the active area. The display layer includes a transistor disposed in the active area and including a gate, a source, and a drain, a first crack line disposed in the peripheral area and surrounding a portion of the active area in a plan view, and a second crack line disposed in the peripheral area under the first crack line. The first crack line is insulated from the second crack line.