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:
Jun. 17, 2025

Filed:

Mar. 26, 2024
Applicant:

Synaptics Incorporated, San Jose, CA (US);

Inventors:

Hirobumi Furihata, Tokyo, JP;

Takashi Nose, Kanagawa, JP;

Kazutoshi Aogaki, Kanagawa, JP;

Assignee:

Synaptics Incorporated, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0686 (2013.01); G09G 2360/144 (2013.01); G09G 2360/16 (2013.01);
Abstract

A display device includes, a backlight device, and a backlight control circuit. The backlight device includes a plurality of light sources configured to illuminate a display panel. The backlight control circuit is configured to apply a filter to a target part of the input image to generate a filtered image part. The target part of the input image is displayed in a corresponding region of the display panel illuminated by a target light source of the plurality of light sources. The backlight control circuit is further configured to control a luminance level of the target light source based on a maximum pixel luminance level of the filtered image part and a local average picture level (APL) of the filtered image part.


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