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:
Jul. 28, 2009
Filed:
May. 29, 2007
Applicants:
Norimasa Furukawa, Tokyo, JP;
Mitsunari Hoshi, Miyagi, JP;
Yoshihiro Katsu, Kanagawa, JP;
Mitsuru Okabe, Tokyo, JP;
Inventors:
Norimasa Furukawa, Tokyo, JP;
Mitsunari Hoshi, Miyagi, JP;
Yoshihiro Katsu, Kanagawa, JP;
Mitsuru Okabe, Tokyo, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21S 2/00 (2006.01); G09G 3/12 (2006.01); F21V 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Herein disclosed a backlight apparatus for illuminating a color display panel from the back side, which may include a light source section having a composite light source, a light detecting light introducing plate, a plurality of light amount sensors for the individual colors, and control means.