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. 12, 2014
Filed:
Dec. 21, 2009
Yoshiki Takata, Osaka, JP;
Yoshiki Takata, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A lighting deviceincludes a light source, a chassishousing the light sourceand an optical memberprovided to face the light source. The optical memberincludes a light source overlapping portion DN that overlaps a light source installation area of the chassiswhere the light sourceis arranged and an empty area overlapping portion DN that overlaps an empty area LN of the chassiswhere no light sourceis arranged. A light reflecting portionis formed on at least the light source overlapping portion DA such that light reflectance of the light source overlapping portion DA is relatively higher than that of the empty area overlapping portion DN. A color adjustment portionis formed on the optical memberto adjust color of the light source overlapping portion DA and the empty area overlapping portion DN.