LED lamp with improved heat dissipating structure

Details LED lamp with improved heat dissipating structure LED lamp with improved heat dissipating structure

2011-01-25

2011-01-25

Lee, Y My Quach (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S218000, C362S373000

Reexamination Certificate

active

07874702

ABSTRACT:
An LED lamp includes a first heat sink, a heat-absorbing member receiving the first heat sink therein, a plurality of LED modules attached to the heat-absorbing member, a second heat sink disposed on the first heat sink and the heat-absorbing member, and a lens coupled to the first and second heat sinks and enclosing the heat-absorbing member and the LED modules therein. The first heat sink has a conducting cylinder which defines a first through hole therein. The heat-absorbing member consists of a plurality of vapor chambers and has inclined outer faces oriented downwardly, on which the LED modules are mounted. The second heat sink includes an annular base which defines a second through hole in a center thereof. The second through hole communicates with the first through hole of the first heat sink.

REFERENCES:
patent: 5806965 (1998-09-01), Deese
patent: 6955451 (2005-10-01), Coushaine et al.
patent: 7014337 (2006-03-01), Chen
patent: 7703949 (2010-04-01), Lai
patent: 2005/0110649 (2005-05-01), Fredericks et al.
patent: 2005/0174780 (2005-08-01), Park
patent: 2007/0230172 (2007-10-01), Wang
patent: 2008/0013316 (2008-01-01), Chiang

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