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:
May. 11, 2021
Filed:
Apr. 19, 2019
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Xianrui Qian, Beijing, CN;
Yuting Chen, Beijing, CN;
Zixuan Wang, Beijing, CN;
Donghui Zhang, Beijing, CN;
Hefei Xinsheng Optoelectronics Technology Co., Ltd., Anhui, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
There is provided in the present disclosure a shift register unit, including: a pull-up control circuit, connected to a signal input terminal and a pull-up node; a pull-up circuit, connected to the pull-up node, a first clock signal terminal and a signal output terminal; a pull-down circuit, connected to a pull-down node, the pull-up node, the signal output terminal and a power supply voltage terminal, and configured to pull down voltages of the pull-up node and the signal output terminal to a voltage of the power supply voltage terminal under the control of the pull-down node; a first pull-down control circuit, connected to a second clock signal terminal, a pull-down control signal terminal, the pull-down node and the power supply voltage terminal, and configured to pull up the voltage of the pull-down node to a valid pull-down level under the control of the pull-down control signal terminal.