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:
Dec. 10, 2019

Filed:

Nov. 21, 2017
Applicants:

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

Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;

Inventors:

Li Sun, Beijing, CN;

Jian Tao, Beijing, CN;

Hongmin Li, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 19/28 (2006.01); G09G 5/10 (2006.01); G11C 19/18 (2006.01); G09G 3/3266 (2016.01);
U.S. Cl.
CPC ...
G11C 19/28 (2013.01); G09G 3/3266 (2013.01); G09G 5/10 (2013.01); G11C 19/184 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0286 (2013.01);
Abstract

A shift register unit, a driving method thereof, a gate driving circuit and a display device are provided. The shift register unit includes an input circuit, a resetting circuit, a pull-down node control circuit, a storage circuit, a gate driving signal output circuit, and a pull-up node potential maintaining circuit. The pull-up node potential maintenance circuit is connected to a gate driving signal output end and a pull-up node, and configured to maintain a potential at the pull-up node to be a high level when the gate driving signal output end outputs a gate driving signal at a high level.


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