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:
Oct. 13, 2020

Filed:

Jun. 18, 2019
Applicant:

Wuhan Tianma Micro-electronics Co., Ltd., Wuhan, CN;

Inventors:

Liyuan Liu, Wuhan, CN;

Zhiyong Xiong, Wuhan, CN;

Xia Li, Wuhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3225 (2016.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3225 (2013.01); G09G 3/2007 (2013.01); G09G 2320/0673 (2013.01); G09G 2330/021 (2013.01); G09G 2360/16 (2013.01);
Abstract

A driving method for a display panel, a driving chip, and a display device are provided. The method includes: pre-storing Gamma curves corresponding to different display modes of the display panel; monitoring a display mode of the display panel when an image is displayed by the display panel, and acquiring a negative power voltage signal corresponding to the display mode; acquiring a Gamma curve corresponding to the display mode from the pre-stored Gamma curves based on the monitored display mode; outputting the negative power voltage signal to the display panel; and correcting the image displayed by the display panel according to the acquired Gamma curve. The above driving method is configured to drive the image displayed by the display panel.


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