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. 02, 2023

Filed:

May. 06, 2020
Applicant:

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

Inventors:

Xiangchun Xiao, Beijing, CN;

Huijun Li, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/0673 (2013.01); G09G 2354/00 (2013.01); G09G 2360/144 (2013.01);
Abstract

The invention relates to a gamma adjustment method and device for a display panel. The gamma adjustment method comprises the following steps: obtaining the light intensity of ambient light of a display panel; obtaining a value of the intensity of the reflected light from the display panel according to the light intensity of the ambient light and the corresponding relation between the intensity of the reflected light from the display panel and the light intensity of the ambient light; and determining a gamma curve according to the value of the intensity of the reflected light and the maximum brightness of the display panel.


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