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:
May. 24, 2022

Filed:

Apr. 02, 2019
Applicants:

Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;

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

Inventors:

Lei Hua, Beijing, CN;

Jie Ling, Beijing, CN;

Ran Jiang, Beijing, CN;

Xiaohua Lin, Beijing, CN;

Lei Qin, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); G09G 3/3291 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/3291 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0278 (2013.01);
Abstract

A pixel drive circuit, a drive method thereof and a display device are provided. The pixel drive circuit includes a writing sub-circuit, an amplification sub-circuit, and a drive sub-circuit, writing sub-circuit is configured to transmit a data voltage provided by a signal input terminal to the amplification sub-circuit under control of the scan signal terminal; the amplification sub-circuit is configured to generate an amplification electrical signal according to the data voltage and output the amplification electrical signal to a drive sub-circuit, the drive sub-circuit is configured to obtain the data voltage based on the amplification electrical signal output by the amplification sub-circuit and provide a drive current to a light-emitting device under control of the data voltage, and the light-emitting device is configured to emit light according to the drive current output by the drive sub-circuit.


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