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. 22, 2009
Filed:
Oct. 16, 2008
Applicants:
Satoshi Maeda, Kawasaki, JP;
Hirokazu Aritake, Kawasaki, JP;
Takao Satake, Yokohama, JP;
Susumu Fujiwara, Yokohama, JP;
Inventors:
Satoshi Maeda, Kawasaki, JP;
Hirokazu Aritake, Kawasaki, JP;
Takao Satake, Yokohama, JP;
Susumu Fujiwara, Yokohama, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02F 1/1335 (2006.01); G02B 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In the lighting device, cylindrical lenses are provided on a reflection surface side of a light guide plate, and the adjacent cylindrical lenses are connected by a concaved curved surface.