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:
Apr. 20, 2021

Filed:

Dec. 31, 2019
Applicant:

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

Inventors:

Jun Li, Wuhan, CN;

Zhihua Yu, Wuhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3283 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3283 (2013.01); G09G 2300/0842 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/027 (2013.01); G09G 2360/147 (2013.01);
Abstract

The present disclosure discloses a luminance compensation method, a luminance compensation circuit and a display device. When a display panel starts displaying, reference compensation factors are acquired from a flash. Then the acquired reference compensation factors are stored in and RAM. Finally, a scale factor corresponding to the current to-be-displayed frame image is acquired, and the reference compensation factors corresponding to all sub-pixels and stored in the RAM are multiplied by the scale factor to generate a target compensation factor corresponding to the current to-be-displayed frame image, to enable the display panel to perform the displaying according to the target compensation factor.


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