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:
Oct. 13, 2015
Filed:
Jul. 18, 2013
Minebea Co., Ltd., Kitasaku-gun, Nagano, JP;
Shohei Takada, Hamamatsu, JP;
Tomotaka Horikawa, Fukuroi, JP;
MINEBEA CO., LTD., Kitasaku-gun, JP;
Abstract
A spread illuminating apparatus includes a plurality of point light sources; a printed circuit board on which the plurality of point light sources is each mounted; and a light guide plate with a light input surface facing the point light source and a light output portion that exits plane light emitted from the point light source and introduced through the light input surface, wherein the light guide plate includes an inclination portion between the light input surface and the light output portion, the inclination portion having a thickness gradually decreasing toward the light output portion side, an inclined surface of the inclination portion includes a pedestal for disposing the printed circuit board in an area except the front of the point light source, and a light-blocking member is disposed between the neighboring pedestals.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile