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. 08, 2022

Filed:

Dec. 28, 2019
Applicant:

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

Inventors:

Yuejun Tang, Wuhan, CN;

Xudong Liang, Wuhan, CN;

Yongzhi Wang, Wuhan, CN;

Tao Peng, Wuhan, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01);
U.S. Cl.
CPC ...
G09G 5/10 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0686 (2013.01); G09G 2320/0693 (2013.01);
Abstract

The present disclosure discloses a driving method and driving device of a display panel and a display device. Under the partial display mode, different gamma curves may be called for different display regions, to drive different regions of the same picture. In one embodiment, a first gamma curve with relatively low brightness may be called for a first display region provided with an under screen sensor, that is, the first display region is driven by the first gamma curve with the relatively low brightness. A second gamma curve with relatively high brightness may be called for a second display region in normal display, that is, the second display region is driven by the second gamma curve with the relatively high brightness.


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