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:
Apr. 06, 2021

Filed:

Apr. 18, 2019
Applicant:

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

Inventors:

Tieshi Wang, Beijing, CN;

Kuanjun Peng, Beijing, CN;

Wei Qin, Beijing, CN;

Chengchung Yang, Beijing, CN;

Xueling Gao, Beijing, CN;

Xiaolong Li, Beijing, CN;

Zhiqiang Xu, Beijing, CN;

Yan Wei, Beijing, CN;

Shengnan Li, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3258 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 2300/0426 (2013.01); G09G 2320/0257 (2013.01);
Abstract

A pixel driving circuit, a driving method and a display device are provided. The pixel driving circuit includes a driving unit, a capacitor unit, a data write-in unit connected to a corresponding gate line, a corresponding data line and the driving unit, a power source control unit connected to a first light-emitting control end, a power source signal input end and the driving unit, and a first light-emitting control unit connected to a second light-emitting control end, the power source signal input end and the driving unit and configured to, within a predetermined time period of a light-emitting stage, control the power source signal input end to be electrically connected to the driving unit under the control of the second light-emitting control end, stop the operation of the driving unit, and enable the light-emitting unit not to emit light.


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