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. 30, 2019
Filed:
Sep. 12, 2017
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Kuohai Wang, Beijing, CN;
Liang Sun, Beijing, CN;
Hongliang Xu, Beijing, CN;
Liyong Guo, Beijing, CN;
Libin Miao, Beijing, CN;
Zhenning Fan, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A touch display screen testing method and a touch display screen testing device are provided. The method includes: applying a direct current signal to a gate driving circuit of the touch display screen to turn on gate electrodes of the touch display screen simultaneously, to detect a display defect of the touch display screen, in a first testing stage of an electric performance testing process at a Cell stage of a touch display screen.