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:
Jun. 07, 2011
Filed:
Aug. 10, 2009
Haiyu Zhao, Beijing, CN;
Haiyu Zhao, Beijing, CN;
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Abstract
The present invention provides an apparatus and method for performing an ion concentration analysis in an LCD panel. The method comprises: adjusting common voltage of an LCD panel to be tested and a standard LCD panel, respectively, and obtaining a first common voltage of the LCD panel to be tested and a first common voltage of the standard LCD panel; adjusting the first common voltage of the standard LCD panel and the first common voltage of the LCD panel to be tested, respectively, according to a predetermined testing voltage; loading a first image to the standard LCD panel and the LCD panel to be tested, respectively, and maintaining the first image in the standard LCD panel and the LCD panel to be tested for a period of time; switching the loaded first image to a second image; and analyzing ion concentration in the LCD panel to be tested on the basis of image sticking levels appearing in the standard LCD panel and the LCD panel to be tested.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile