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:
Nov. 03, 2020

Filed:

Sep. 21, 2017
Applicants:

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

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

Inventor:

Fei Huang, Beijing, CN;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G11C 19/28 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/08 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01);
Abstract

A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes an input circuit, an output circuit, a pull-up node pull-down circuit, a first pull-down circuit of a first pull-down node, an output pull-down circuit, a pull-up circuit of the first pull-down node and a filter circuit. The filter circuit is connected with the first pull-down node, a second pull-down node, a first power terminal and a second power terminal respectively, and is configured to filter a voltage of the first pull-down node and transmit the filtered voltage to the second pull-down node.


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