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. 13, 2011
Filed:
Jan. 07, 2008
Naoki Maruyama, Kanagawa, JP;
Naoki Maruyama, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A backlight unit illuminating the rear of a transmissive display panel with light includes a light source substrate, a base member, and a heat pipe. The light source substrate has a light source and faces the rear of the display panel. The base member is made of sheet metal, on which the light source substrate is mounted, and fixed to the rear of a chassis of the backlight unit. The heat pipe is attached to the base member and receives heat generated in the light source through the base member. The base member includes a plurality of groove portions extending in a lengthwise direction of the light source substrate formed at predetermined intervals and a plurality of planes on which the light source substrates facing the display panel are formed respectively. The heat pipe is provided in the lengthwise direction of the light source substrate under each of the planes.