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:
Feb. 02, 2021

Filed:

Dec. 21, 2018
Applicants:

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

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

Inventors:

Yifei Zhan, Beijing, CN;

Dayu Zhang, Beijing, CN;

Xiaohan Ling, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 2300/0828 (2013.01); G09G 2300/0833 (2013.01); G09G 2310/0291 (2013.01); G09G 2330/021 (2013.01); G09G 2330/025 (2013.01);
Abstract

The present disclosure provides a common voltage generation circuit, a common voltage generation method, and a display device, and belongs to the field of display technology. The common voltage generation circuit includes: an initial common voltage generation component configured to generate an initial common voltage controlled by a ground voltage and a positive power supply voltage according to a clock synchronization signal and a serial digital signal as received; and a common voltage adjustment component configured to generate a common voltage controlled by the ground voltage and a negative power supply voltage according to the initial common voltage.


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