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:
Jul. 13, 2009
Takaharu Shimizu, Osaka, JP;
Takaharu Shimizu, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A lighting device includes an LEDand a light guide platethat are fixed to a surfaceof an LED board. The light guide plateincludes a light entrance surfacethat is provided in an LED holding spaceholding the LEDtherein, a scattering surfacethat is formed by performing perforation processing, and a light exit surfacethrough which light exits to outside of the light guide plateafter traveling through the light guide plateand reflecting off the scattering surface. The LED holding spaceis formed such that the light guide platehas an opening for the LED holding spaceand an opening size of the opening increases in a direction Pin which a lower moldB integrally including a projectionC for forming the LED holding spaceis removed.