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:

Aug. 10, 2021
Applicants:

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

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

Inventors:

Shaolei Zong, Beijing, CN;

Wei Sun, Beijing, CN;

Jieqiong Wang, Beijing, CN;

Jigang Sun, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/90 (2018.01); G08B 6/00 (2006.01); H04M 1/02 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01);
U.S. Cl.
CPC ...
H04W 4/90 (2018.02); G08B 6/00 (2013.01); H04M 1/0202 (2013.01); G06F 3/041 (2013.01); G06F 3/044 (2013.01); G09G 2310/0267 (2013.01); H04M 2250/12 (2013.01);
Abstract

A gate driving unit includes an input terminal, a latch node control circuit, a first node potential maintenance circuit, and a latch node reset circuit, the latch node control circuit is configured to control a voltage of the latch node through a charging voltage inputted by the latch charging terminal under the control of an input signal provided by the input terminal, the first node potential maintenance circuit is configured to control the connection between the first node and the latch enable terminal under the control of a voltage of the latch node, to maintain a potential of the first node; and the latch node reset circuit is configured to control to reset the potential of the latch node under the control of the latch node reset signal inputted by the latch node reset terminal.


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