LED illuminating device and light engine thereof

Details LED illuminating device and light engine thereof LED illuminating device and light engine thereof

2011-08-30

2011-08-30

Husar, Stephen F (Department: 2875)

Illumination

Housing

With cooling means

C362S249020, C362S294000, C362S218000, C362S267000

Reexamination Certificate

active

08007143

ABSTRACT:
An LED illuminating device includes an optical section, an electrical section, and a heat dissipation section. The heat dissipation section is provided with a loop heat exchange device. The loop heat exchange device includes a hollow metal base and a plurality of metal fins extending outwardly from the metal base. A hermetical chamber is defined in the metal base. The chamber is cylindrical and has a U-shaped cross section along an axial direction of the metal base. A wick structure is attached to an inner surface of the chamber. A working fluid is saturated in the wick structure. A light source is thermally attached to the metal base.

REFERENCES:
patent: 6517221 (2003-02-01), Xie
patent: 6550530 (2003-04-01), Bilski
patent: 7674012 (2010-03-01), Lin et al.
patent: 7922365 (2011-04-01), Liu
patent: 7946737 (2011-05-01), Liu
patent: 2009/0268468 (2009-10-01), Liu
patent: 2010/0141108 (2010-06-01), Liu et al.
patent: 2011/0026251 (2011-02-01), Liu et al.

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