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:
Nov. 18, 2014
Filed:
Apr. 03, 2012
Kentaro Terashima, Osaka, JP;
Kentaro Terashima, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Provided is an illumination device that is capable of improving the utilization efficiency of light, while being lighter and thinner. This illumination device () is provided with: a light source () that emits ultraviolet light; a light guide plate () that guides the light from the light source; an optical member () placed between the light source and the light guide plate and that allows ultraviolet light emitted from the light source to pass through and that reflects visible light; and a fluorescent member () that is arranged between an ultraviolet light incident surface () of the optical member and the light guide plate and that converts the ultraviolet light into visible light.