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:
Jul. 15, 2025

Filed:

Nov. 07, 2023
Applicant:

Synaptics Incorporated, San Jose, CA (US);

Inventors:

Masao Orio, Tokyo, JP;

Takashi Nose, Kanagawa, JP;

Hirobumi Furihata, Tokyo, JP;

Tomoo Minaki, Tokyo, JP;

Kazutoshi Aogaki, Kanagawa, JP;

Assignee:

Synaptics Incorporated, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 3/3607 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/066 (2013.01); G09G 2330/021 (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 plurality of zones of a display panel, respectively. The zones are aligned in a first direction, and each zone includes a plurality of subzones aligned in a second direction perpendicular to the first direction. The backlight control circuit is configured to receive an input image and determine a backlight value for a target light source of the light sources, the target light source corresponding to a target zone of the plurality of zones. Determining the backlight value for the target light source includes: determining local brightness values of respective subzones of the target zone based on the input image; and determining the backlight value for the target light source based on the local brightness values of the subzones of the target zone.


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