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:
Jul. 19, 2022
Filed:
Jul. 15, 2021
Mianyang Boe Optoelectronics Technology Co.,ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Xin Cao, Beijing, CN;
Yawei Zhu, Beijing, CN;
Heungsik Kim, Beijing, CN;
Jing Hu, Beijing, CN;
Zifeng Wang, Beijing, CN;
Haifeng Xu, Beijing, CN;
Haoyuan Fan, Beijing, CN;
MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
A pixel driving circuit includes a reset sub-circuit configured to be turned on in response to a control signal, and transmit a reference voltage to a first node to reset a voltage of the first node; an input sub-circuit configured to transmit a data signal to a second node in response to a gate scan signal; a driving sub-circuit configured to be turned on or off in response to a voltage of the first node, write the data signal and a compensation signal into a third node, and output a driving signal according to the voltage of the first node; a compensation sub-circuit configured to transmit the data signal and the compensation signal to a fourth node in response to the gate scan signal; and a voltage control sub-circuit configured to control the voltage of the first node according to a voltage of the fourth node.