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. 10, 2013
Filed:
Jun. 12, 2007
Applicant:
Tetsuya Hamada, Osaka, JP;
Inventor:
Tetsuya Hamada, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A backlight device () for emitting illumination light outward includes white light-emitting diodes () for emitting white light, and red and blue light-emitting diodes () for emitting red light and blue light, respectively. The backlight device () further includes a lighting drive circuit (lighting control portion) () for controlling the lighting/driving of each of the light-emitting diodes ().