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:
Aug. 04, 2015
Filed:
Jan. 23, 2008
Applicants:
Mitsunori Ueda, Tokyo, JP;
Tadashi Morimoto, Tokyo, JP;
Minoru Mizuta, Tokyo, JP;
Inventors:
Assignee:
Thomson Licensing, Issy-les-Moulineaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G09G 2310/0232 (2013.01); G09G 2310/0237 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0285 (2013.01); G09G 2320/064 (2013.01); G09G 2320/0633 (2013.01); G09G 2320/0646 (2013.01); G09G 2330/021 (2013.01); G09G 2360/145 (2013.01); G09G 2360/16 (2013.01);
Abstract
Disclosed herein is a backlight apparatus for controlling a backlight wherein light emitting devices for emitting light of red, green and blue and a switching device for switching on or off light emission of the light emitting devices are provided for each of a plurality of divisional regions formed by division of a lighting region such that the light emission luminance can be varied for each of the regions, the backlight apparatus including: light emission luminance control means; current value storage means; and current control means.