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:
May. 19, 2020

Filed:

Mar. 15, 2017
Applicant:

Maxell, Ltd., Kyoto, JP;

Inventors:

Kazuhiko Tanaka, Tokyo, JP;

Mitsuo Nakajima, Tokyo, JP;

Nobuhiro Fukuda, Tokyo, JP;

Haruhiko Higuchi, Tokyo, JP;

Assignee:

MAXELL, LTD., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); H04N 9/77 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
H04N 9/77 (2013.01); G09G 3/20 (2013.01); G09G 3/2003 (2013.01); G09G 2320/0666 (2013.01);
Abstract

An object is to obtain a visibility-improved video while more favorably maintaining a color rendering property in a video display device. To achieve the object, a video input unit, a video correcting unit that performs video correction on a video input by the video input unit, and a video display unit that displays the video corrected by the video correcting unit are included, and the video correcting unit is configured to perform local luminance correction on the video input by the video input unit, acquire a correction intensity for each part of the local luminance correction, and perform local saturation correction based on the correction intensity.


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