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.

Date of Patent:
Oct. 03, 2023

Filed:

Apr. 08, 2020
Applicants:

Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Jing Zhao, Beijing, CN;

Xu Su, Beijing, CN;

Shuang Zhao, Beijing, CN;

Jigang Sun, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 2300/0408 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/08 (2013.01); G09G 2330/021 (2013.01);
Abstract

There is provided a gate driving circuit including cascaded Gate Driver On Array (GOA) units, each GOA unit drives a row of pixels and includes a starting sub-unit, an output sub-unit and an output terminal, in the GOA unit at a first stage, the starting sub-unit is coupled with a starting signal, a first control signal, a second control signal and a constant voltage potential, and the output sub-unit is coupled with a first clock signal and a first power supply signal; in the GOA unit at an nstage, the starting sub-unit is coupled with the starting signal, the first control signal, the second control signal and the output terminal of the GOA unit at an (n−1)stage, the output sub-unit is coupled with the first power supply signal and the output terminal of the GOA unit at an (n+1)stage, n is an integer greater than 1.


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