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. 19, 2022

Filed:

Aug. 14, 2019
Applicant:

Sharp Kabushiki Kaisha, Sakai, JP;

Inventors:

Aya Okamoto, Sakai, JP;

Naoko Goto, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/10 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 5/10 (2013.01); G09G 3/342 (2013.01); G09G 2320/0285 (2013.01); G09G 2320/0646 (2013.01); G09G 2360/16 (2013.01);
Abstract

The amount of calculation related to correction of an image signal in a display device is suppressed. A liquid crystal display device includes a backlight luminance distribution calculation unit configured to calculate an intensity of illumination light from a backlight in a pixel of interest, and the backlight luminance distribution calculation unit calculates the intensity of illumination light with reference to a one-dimensional lookup table indicating a relationship between a distance from one of control areas included in the backlight to the pixel of interest and the intensity of illumination light at the distance.


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