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:
May. 17, 2022
Filed:
Feb. 01, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu, CN;
Abstract
A method, device and system for detecting a display panel are disclosed. The display panel includes a plurality of groups of pixels, and the method includes: controlling the plurality of groups of pixels to be successively displayed with a first gray scale, and in condition that an ith group of pixels are displayed with the first gray scale, controlling other groups of pixels in the plurality of groups of pixels except the ith group of pixels to be displayed with a second gray scale, the ith group of pixels being any group of pixels in the plurality of groups of pixels; detecting a first current output by the display panel, in a process of displaying the ith group of pixels with the first gray scale; determining that a display abnormality occurs to the ith group of pixels, in condition that the first current is not within a first current range.