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:
Jan. 27, 2015
Filed:
Apr. 02, 2012
Yasumori Kuromizu, Osaka, JP;
Yasumori Kuromizu, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An illumination deviceof the present invention is provided with: a housing memberthat has a bottom plate, a side wall, and a pair of protrusions; a light guide platehaving a pair of first end faces, a pair of second end facesthat extend in a direction intersecting the first end faces, and a pair of recessesat the respective first end faces, the light guide plate being disposed in the housing memberin a manner so that the rear surfacethereof faces the bottom plateand the recessesrespectively engage the protrusions; a light source unithaving light sourcesand being disposed in the housing memberin a manner so that the light sourcesface at least the second end surfacesof the light guide plate; and a framehaving a frame-shaped covering platecovering the outer edges W of the plate surfaceof the light guide plate, and a pressing partthat protrudes downwards from the covering platein a manner so as to selectively press the peripheral portion Sof the recessof the plate surfaceof the light guide plate