Backlight unit and display device

Details Backlight unit and display device Backlight unit and display device

2008-01-07

2011-12-13

Payne, Sharon (Department: 2875)

Illumination

Display backlight

C362S097200, C362S561000, C362S580000

Reexamination Certificate

active

08075150

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.

REFERENCES:
patent: 7287879 (2007-10-01), Hsu
patent: 7625104 (2009-12-01), Zhang et al.
patent: 2006/0187660 (2006-08-01), Liu
patent: 2005-317480 (2005-11-01), None
patent: 2005-352427 (2005-12-01), None
Machine translation of JP 2005-352427 A, which is assigned to Sony Corp.

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