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. 16, 2024

Filed:

May. 19, 2021
Applicants:

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

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

Inventors:

Wenpeng Xu, Beijing, CN;

Dianzheng Dong, Beijing, CN;

Qiang Zhang, Beijing, CN;

Guangxing Wang, Beijing, CN;

Haiqin Huang, Beijing, CN;

Wan Lin, Beijing, CN;

Haixu Wang, Beijing, CN;

Leiyang Wang, 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 2310/0291 (2013.01); G09G 2320/0233 (2013.01);
Abstract

A display drive circuit, a drive method thereof, and a display device are disclosed. The display drive circuit includes: a pixel circuit and a compensation circuit, the pixel circuit includes: a drive transistor, a light emitting device, a storage capacitor, and a gating sub-circuit configured to control connection and disconnection between the control electrode of the drive transistor and a control terminal of the compensation circuit and connection and disconnection between a second electrode of the light emitting device and a sensing terminal of the compensation circuit in response to a signal of a scanning line; the compensation circuit includes: a voltage generating sub-circuit configured to generate a sensing voltage according to the drive current and a target data voltage, and a voltage adjusting sub-circuit configured to adjust a voltage of the control terminal according to the sensing voltage and a voltage of a second power supply terminal.


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