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:
Jan. 27, 2026

Filed:

Dec. 27, 2024
Applicant:

Auo Display Plus Corporation, Hsinchu, TW;

Inventors:

PO-Kun Chen, Hsinchu, TW;

Ying-Han Lee, Hsinchu, TW;

Yueh-Han Chung, Hsinchu, TW;

Ren-Wei Huang, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/32 (2016.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 3/32 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0252 (2013.01); G09G 2320/0626 (2013.01);
Abstract

The present invention provides a display device and its backlight control method. The display device includes a display panel, a backlight module, and a timing control unit. The display panel has a plurality of scan lines, and the backlight module has a plurality of light-emitting units. These light-emitting units are divided into a first backlight area and a second backlight area along the scanning direction of one of the scan lines. The backlight control method includes the steps of obtaining a backlight luminance data by the timing control unit, outputting a first backlight area control signal to the backlight driving unit by the timing control unit to control the luminance of the first backlight area, and outputting a second backlight area control signal to the backlight driving unit by the timing control unit to control the luminance of the second backlight area.


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