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. 25, 2015
Filed:
Aug. 24, 2011
Takaharu Shimizu, Osaka, JP;
Takaharu Shimizu, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
A backlight unit includes a chassis, a plurality of LED light sources, and a reflection member. The chassis includes a bottom plate and side plates, and has an opening on a front surface side. The LED light sources are arranged in a matrix on a front surface of the bottom plate of the chassis. The reflection member includes a plurality of through holes through which the respective LED light sources are passed and side wall portions having inclined surfaces on the sides thereof. The side wall portions provided in the end portion of the bottom plate of the chassis has a height greater than a height of the side wall portions provided in the middle portion of the bottom plate, and surround each of the LED light sources. The inclined surfaces lead light from the light sources toward the opening side of the chassis.