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:
Mar. 26, 2013
Filed:
Oct. 29, 2009
Norihito Kino, Aichi-ken, JP;
Satoshi Inagaki, Aichi-ken, JP;
Norihito Kino, Aichi-ken, JP;
Satoshi Inagaki, Aichi-ken, JP;
Toyoda Gosei Co., Ltd., Kiyosu-shi, Aichi-ken, JP;
Abstract
A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate.