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:
Jan. 08, 2019

Filed:

Nov. 15, 2016
Applicants:

Shanghai Avic Opto Electronics Co., Ltd, Shanghai, CN;

Tianma Micro-electronics Co., Ltd., Shenzhen, CN;

Inventor:

Dongliang Dun, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 19/00 (2006.01); G06F 3/14 (2006.01); G11C 19/28 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G06F 3/1446 (2013.01); G11C 19/28 (2013.01); G09G 3/3677 (2013.01); G09G 2300/026 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0283 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01);
Abstract

A bi-directional scanning unit, a driving method and a gate driving circuit are provided. The bi-directional scanning unit includes a first stage subunit and a second stage subunit. The bi-directional scanning unit outputs a scanning signal stage by stage in a direction from the first stage subunit to the second stage subunit and outputs a scanning signal stage by stage in a direction from the second stage subunit to the first stage subunit. During the scanning, the first stage subunit and the second stage subunit cooperate with each other, so that one of the stage subunits does not output a scanning signal while the other one outputs a scanning signal. With the technical solutions according to the embodiments, the bi-directional scanning unit can output two-stage scanning signals stage by stage, have a simplified structure, and satisfy diverse demands on the gate driving circuit.


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