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. 29, 2020
Filed:
Nov. 14, 2019
Applicant:
AU Optronics Corporation, Hsin-Chu, TW;
Inventors:
Mao-Hsun Cheng, Hsin-Chu, TW;
Cheng-Han Huang, Hsin-Chu, TW;
Mei-Sheng Ma, Hsin-Chu, TW;
Yi-Chiung Chen, Hsin-Chu, TW;
Hsiang-Sheng Chang, Hsin-Chu, TW;
Po-Jung Wu, Hsin-Chu, TW;
Yung-Chih Chen, Hsin-Chu, TW;
Ching-Sheng Cheng, Hsin-Chu, TW;
Assignee:
AU OPTRONICS CORPORATION, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 2300/08 (2013.01); G09G 2310/0264 (2013.01); G09G 2310/061 (2013.01); G09G 2320/0233 (2013.01);
Abstract
A pixel driving circuit utilizing a transistor having two gate ends as the driving unit for pixels of a display panel to provide a stable driving current to compensate for the variation of threshold voltages of transistors in different pixels and to improve the uniformity of the brightness of the display panel.