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. 14, 2022
Filed:
Mar. 13, 2020
Applicant:
Tcl China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;
Inventor:
Jing Zhu, Guangdong, CN;
Assignee:
TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3677 (2013.01); G09G 2300/0447 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01);
Abstract
A GOA circuit is provided and includes a plurality of GOA sub circuits which are cascaded. An Nth GOA sub circuit of the GOA sub circuits includes: a cascade control unit configured to generate a first drive signal according to an (N−3)th scan signal and an (N−3)th cascade signal; a cascade signal generation unit connected to the cascade control unit; a first scan drive unit connected to the cascade control unit and a first low voltage level signal; and a second scan drive unit connected to the cascade control unit and the first low voltage level signal.