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.

Date of Patent:
May. 22, 2018

Filed:

Jun. 19, 2015
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;

Inventors:

Zhengxin Zhang, Beijing, CN;

Shuai Xu, Beijing, CN;

Jingshan Ma, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2014.01); G09G 3/00 (2006.01); G01R 1/04 (2006.01);
U.S. Cl.
CPC ...
G09G 3/006 (2013.01); G01R 1/0416 (2013.01); G09G 2330/10 (2013.01);
Abstract

A method and device for detecting a defect of a display panel, the method comprises steps of: connecting at least one electrical test pad on the display panel to a first detecting terminal, and connecting another at least one electrical test pad on the display panel to a second detecting terminal; providing a preset voltage between the first detecting terminal and the second detecting terminal; and, detecting whether magnitudes of currents passing through the first detecting terminal and the second detecting terminal within a predetermined time are less than a preset current threshold, and if not, then determining there is a defect on the display panel. The present disclosure can implement effective detection and interception of a progressive defect or badness in the display panel.


Find Patent Forward Citations

Loading…