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:
Sep. 16, 2014

Filed:

Dec. 09, 2009
Applicants:

Hideto Mori, Tokyo, JP;

Yasuo Inoue, Tokyo, JP;

Inventors:

Hideto Mori, Tokyo, JP;

Yasuo Inoue, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/32 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3208 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/0666 (2013.01); G09G 2320/064 (2013.01); G09G 2360/16 (2013.01); G09G 2320/0626 (2013.01); G09G 2320/041 (2013.01); G09G 2360/145 (2013.01); G09G 3/3426 (2013.01);
Abstract

A display device is provided, including circuitry configured to calculate a table representing a relationship between an average brightness and a gain of a video signal; revise the table in order to reduce a change amount of a gain of each frame in the table; calculate an average brightness of a video signal input for each frame; calculate a gain of a video signal from the table based on the calculated average brightness; adjust a video signal using the calculated gain; and a display panel that includes a plurality of pixels that emit light in response to a video signal and displays a video based on the adjusted video signal. A brightness adjustment device, a backlight device, and a method of adjusting brightness, each including the circuitry, are also provided.


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