The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 2026
Filed:
Dec. 22, 2022
Samsung Display Co., Ltd., Yongin-Si, KR;
Go Eun Cha, Suwon-si, KR;
Il Nam Kim, Hwaseong-si, KR;
Seung Hyun Moon, Suwon-si, KR;
Dong Wook Yang, Suwon-si, KR;
Hyun Dae Lee, Hwaseong-si, KR;
Kang Bin Jo, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A test system, a method of testing a display cell using the same, and a display device are provided. There is provided a test system comprising: a display cell including a pixel and a data line connected to the pixel, an optical sensor and a readout line connected to the optical sensor, and a signal selection unit for selectively connecting a test signal line to any one of the data line and the readout line; and a test member configured to apply a first test control signal to the signal selection unit in a data test mode and apply a second test control signal to the signal selection unit in a sensing test mode.