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. 30, 2013
Filed:
Jul. 08, 2009
Applicant:
Yoshiki Takata, Osaka, JP;
Inventor:
Yoshiki Takata, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01); G09F 13/08 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lighting deviceincludes at least one point light source, an optical memberprovided on a light output side of the lighting devicefrom the point light source. The optical memberis formed of a member having a substantially uniform light reflectance. A first light reflecting portionis formed on a portion of the optical memberthat overlaps the point light source, and the first light reflecting portionreflects light from the point light source. A second light reflecting portionis provided to reflect the light that is reflected by the first light reflecting portionto be directed to the first light reflecting portion