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. 17, 2015
Filed:
Dec. 22, 2011
Mitsuru Hosoki, Osaka, JP;
Mitsuru Hosoki, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A backlight deviceaccording to the present invention includes: LED substrates; LED light sourcesplaced on the surfaces of the LED substrates; a light guide platehaving light-receiving surfaceson the side faces, the plate being placed such that the LED light sourcesand the light-receiving surfacesface each other; a chassishaving a bottom plate and a plurality of side walls, andstanding upright from the bottom plate, the chassis being open on a top side opposite to the bottom plate and storing at least the LED light sourcesand the light guide plate; and spacer membersfor regulating the gaps between the side walls and the light guide plate, the spacer members being made of an elastic material. The LED substratesare placed along the surfaces of the side walls, and the spacer membersare placed in the corners between the adjacent side walls, and