LED lamp having a vapor chamber for dissipating heat...

Details LED lamp having a vapor chamber for dissipating heat... LED lamp having a vapor chamber for dissipating heat...

2011-06-14

2011-06-14

Alavi, Ali (Department: 2875)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S373000, C362S249020, C257S716000

Reexamination Certificate

active

07959327

ABSTRACT:
An LED lamp comprises a lamp housing, a heat sink made of metal and mounted at a bottom side of the lamp housing, a plurality of LED modules, and a vapor chamber having a bottom surface thereof attached to a top surface of the heat sink and having a top surface thereof to which the LED modules are attached, a working liquid is sealed in the vapor chamber. The vapor chamber defines a sealed chamber therein, and the working liquid is phase changeable liquid and is sealed in the sealed chamber. A plurality of ribs is arranged in the vapor chamber for strengthening an integrity of the vapor chamber, and the ribs divide the sealed chamber into a plurality of communicating spaces.

REFERENCES:
patent: 5890794 (1999-04-01), Abtahi et al.
patent: 7819556 (2010-10-01), Heffington et al.
patent: 7874702 (2011-01-01), Shuai et al.
patent: 2005/0174780 (2005-08-01), Park
patent: 2009/0021944 (2009-01-01), Lee et al.
patent: 2009/0129103 (2009-05-01), Zhang et al.
patent: 2009/0168430 (2009-07-01), Hsu et al.
patent: 2009/0268463 (2009-10-01), Huang et al.

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