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.
Patent No.:
Date of Patent:
Apr. 05, 2022
Filed:
Dec. 13, 2017
Applicants:
Boe Technology Group Co., Ltd., Beijing, CN;
Ordos Yuansheng Optoelectronics Co., Ltd., Inner Mongolia, CN;
Inventors:
Mingchao Ma, Beijing, CN;
Jun Fan, Beijing, CN;
Assignees:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., Inner Mongolia, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G06F 3/041 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G06F 3/0412 (2013.01); G06F 3/04166 (2019.05); G11C 19/28 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/08 (2013.01); G09G 2310/0267 (2013.01); G09G 2310/0283 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01); G09G 2330/08 (2013.01);
Abstract
A shift register and a driving method thereof, a gate driving circuit and a display apparatus are disclosed. The shift register includes an input circuit, a pull-up node charging circuit and an output circuit. The pull-up node charging circuit is connected with a first voltage terminal, a second voltage terminal, the input circuit and a pull-up node, and is configured to charge the pull-up node and maintain a level of the pull-up node under control of the first input signal.