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:
Nov. 23, 2021
Filed:
May. 21, 2018
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A shift register unit includes a control sub-circuit and a noise reduction sub-circuit. The control sub-circuit can control a potential of a pull-down node as a first potential when a first clock signal is the first potential; the noise reduction sub-circuit can control a potential of an output terminal as a second potential when a pull-down node or a second clock signal is the first potential. Since frequencies of the first clock signal and the second clock signal are the same and phases thereof are opposite, the control sub-circuit and the noise reduction sub-circuit can control the potential of the output terminal as the second potential after the output phase of the shift register unit, so as to guarantee effective noise reduction of the output terminal.