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:
Nov. 18, 2025

Filed:

Dec. 26, 2024
Applicant:

Auo Display Plus Corporation, Hsinchu, TW;

Inventors:

Po-Kun Chen, Hsinchu, TW;

Ai-Ling Lin, Hsinchu, TW;

Ting-Ting Kuo, Hsinchu, TW;

Ren-Wei Huang, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 3/2007 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0276 (2013.01); G09G 2320/062 (2013.01); G09G 2320/0686 (2013.01); G09G 2360/16 (2013.01);
Abstract

A display and a backlight compensation method thereof are provided, wherein the display includes a backlight unit and a driving unit, and the backlight compensation method includes: providing a gamma value of the display; performing local dimming of the backlight unit according to the gamma value; obtaining an area peak luminance of each area in the backlight unit; obtaining a windows size of the backlight unit and a corresponding luminance dependency of windows size; obtaining, by the driving unit, a first display luminance corresponding to each area in the backlight unit according to a product of the area peak luminance of each area and the luminance dependency of windows size; and performing luminance compensation in each area of the backlight unit according to the first display luminance. A backlight compensation method that maintains optical quality is achieved, which can maintain brightness and gamma values under different windows sizes.


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