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:
Mar. 16, 2021
Filed:
Oct. 21, 2019
AU Optronics Corporation, Hsin-Chu, TW;
Po-Chun Lai, Hsin-Chu, TW;
Wei-Ting Wu, Hsin-Chu, TW;
Syuan Shih, Hsin-Chu, TW;
Wan-Lin Chen, Hsin-Chu, TW;
Ming-Yuan Tang, Hsin-Chu, TW;
Wei-Hsuan Chang, Hsin-Chu, TW;
Yung-Chih Chen, Hsin-Chu, TW;
AU OPTRONICS CORPORATION, Hsin-Chu, TW;
Abstract
A pixel circuit includes a driving circuit, a lighting element, and multiple switching circuits. The driving circuit is configured to provide a driving current to a first node. A first terminal of the lighting element is coupled with a second node. A second terminal of the lighting element is configured to receive a system low voltage. The multiple switching circuits are coupled between the first node and the second node in a parallel connection, and configured to correspondingly receive multiple emission control signals and at least one grayscale control signal. During each frame, the multiple emission control signals provide multiple pulses, and the multiple pulses do not mutually overlapping in time sequence, so that the multiple switching circuits selectively couple the first node to the second node according to the multiple pulses and the at least one grayscale control signal.