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.
Patent No.:
Date of Patent:
Sep. 01, 2015
Filed:
Aug. 23, 2011
Applicants:
Takashi Akita, Osaka, JP;
Takuma Shimura, Kanagawa, JP;
Terumitsu Suenaga, Kanagawa, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H04N 5/57 (2006.01); G02F 1/133 (2006.01); G09G 3/34 (2006.01); G02F 1/1335 (2006.01); H04N 21/431 (2011.01); H04N 21/44 (2011.01);
U.S. Cl.
CPC ...
H04N 5/57 (2013.01); G02F 1/1336 (2013.01); G02F 1/13306 (2013.01); G09G 3/3406 (2013.01); H04N 21/4318 (2013.01); G02F 2001/133601 (2013.01); G09G 2320/066 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0673 (2013.01); G09G 2330/021 (2013.01); G09G 2360/16 (2013.01); H04N 21/44008 (2013.01);
Abstract
In a video display control device, a control data generating section allocates a part of a dynamic range of a high gradation region of a video signal to a low gradation region, and a backlight controlling section controls a light emission luminance of a backlight so as to cancel an increase or decrease of a mean luminance of a video displayed on a screen in accordance with an increase or decrease of the mean luminance of a video signal after correction with respect to a mean luminance of the video signal.