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:
Sep. 05, 2023
Filed:
Apr. 22, 2020
Applicant:
Wuhan China Star Optoelectronics Technology Co., Ltd., Hubei, CN;
Inventor:
Jian Tao, Hubei, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3266 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2092 (2013.01); G09G 2310/0248 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/061 (2013.01);
Abstract
A gate driver on array (GOA) circuit and a display panel are provided. The GOA circuit provides a pull-up maintaining module including transistors T, T, and T. In a pre-charge sub-phase tand an output sub-phase t, a node Qb is at a high level to pull down a node P and turn off the transistor T. A node K changes to the high level under control of the transistor T. The transistor Tis turned on, and the node Qb is keeping at the high level. A node Qa is keeping at the high level in the pre-charge sub-phase, and keeping at a bootstrap electrical level in the output sub-phase.