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:
Aug. 27, 2013
Filed:
May. 17, 2010
Masashi Yokota, Osaka, JP;
Masashi Yokota, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
It is an object of the present invention to provide a lighting device realizing reduction in cost and suppression of power consumption and suppressing generation of a lamp image. A lighting deviceof the present invention includes a plurality of point light sources; a chassishousing the point light sourcesand having an openingthrough which light from the point light sourcesexits; and an optical member() facing the point light sourcesand provided to cover the opening. The point light sourcesare arranged such that a light source high-density area LH where an arrangement interval thereof is relatively small and a light source low-density area LL where an arrangement interval thereof is relatively large are provided. Light reflection portionsreflecting lights from the point light sourcesare formed in at least a region overlapping with the light source low-density area LL in the optical member().