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:
Apr. 10, 2012
Filed:
Jan. 22, 2009
Applicant:
Noriyuki Shimoji, Kyoto, JP;
Inventor:
Noriyuki Shimoji, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A back light system and a liquid crystal display device, which can reduce the power consumption substantially, are provided. The power consumption can be substantially reduced by providing a plurality of light-emitting dividing parts to which area division of the light emitting surface which illuminates with light towards a liquid crystal panel is performed, and controlling the luminescent brightness in the light-emitting dividing parts according to the corresponding display image of a display area in the liquid crystal panel.