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.

Date of Patent:
Jan. 05, 2021

Filed:

Aug. 02, 2019
Applicants:

Chongqing Boe Optoelectronics Technology Co., Ltd., Chongqing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Hailong Wu, Beijing, CN;

Xiuzhu Tang, Beijing, CN;

Taoliang Tang, Beijing, CN;

Shuai Chen, Beijing, CN;

Xing Dong, Beijing, CN;

Lijun Xiong, Beijing, CN;

Zhenguo Tian, Beijing, CN;

Qiyuan Wei, Beijing, CN;

Shuang Hu, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01); G09G 3/3233 (2016.01); G09G 3/3266 (2016.01); G09G 3/3291 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); G09G 3/3291 (2013.01); G09G 2300/043 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0439 (2013.01); G09G 2300/0809 (2013.01);
Abstract

Embodiments of the present disclosure provide a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit comprises: a light emitting element and a driving transistor, a gate of the driving transistor being electrically coupled to a second node, a drain of the driving transistor being electrically coupled to a first node, and a source of the driving transistor being electrically coupled to the light emitting element; a first controlling circuit electrically coupled to the second node; a second controlling circuit electrically coupled to the first node and the second node; a third controlling circuit electrically coupled to a first voltage signal terminal and the first node; a first energy storing circuit electrically coupled to the second node and a third node; a first adjusting circuit electrically coupled to the third node, a fourth node and a second voltage signal terminal.


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