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:
Feb. 25, 2025
Filed:
Jul. 01, 2022
Chengdu Boe Optoelectronics Technology Co., Ltd., Sichuan, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Kunyan Shi, Beijing, CN;
Yafei Chen, Beijing, CN;
Gang Wang, Beijing, CN;
Qiang Fu, Beijing, CN;
Erlong Song, Beijing, CN;
Kai Zhang, Beijing, CN;
Peng Xu, Beijing, CN;
Xingrui Cai, Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Sichuan, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Abstract
The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.