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:
Dec. 21, 2021
Filed:
Feb. 21, 2019
Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Hubei, CN;
Abstract
The display panel test circuit includes a first signal line, a first control line and a plurality of switching units, the first signal line comprises a first sub-signal line, a second sub-signal line and a plurality of third sub-signal lines, two ends of each of the third sub-signal lines are connected to the first sub-signal line and the second sub-signal line respectively. Each switching unit includes a first switching device, a control end thereof is connected to the first control line, an input end thereof is connected to the first sub-signal line, the output end of the first switching device is a test signal output end of the switching unit to which the first switching device belongs, and a portion of the first sub-signal line between any two adjacent switching units is connected to at least one third sub-signal line.