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:
Dec. 18, 2012
Filed:
Mar. 07, 2006
Tomio Aoki, Kanagawa, JP;
Tomio Aoki, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A backlight device and a liquid crystal display are provided. A liquid crystal display apparatus including a direct backlight device which has an LED assembled into a light-guiding plate and in which an brightness uniformity is controlled or improved is provided by controlling or improving the brightness uniformity. A backlight deviceincludes a light emitting diodeas a light source assembled into a light-guiding plate, in which an edge portionon the bottom surfaceB side of a concave portionin a light-guiding plate, where the light emitting diodeis assembled, is formed at to have the shape of an inclined or curved surface that has an angle except a right angle with respect to the bottom surfaceB.