LED lamp with an improved sealed structure

Details LED lamp with an improved sealed structure LED lamp with an improved sealed structure

2008-09-30

2010-11-23

Lee, Y My Quach (Department: 2885)

Illumination

Housing

With cooling means

C362S218000, C362S294000

Reexamination Certificate

active

07837362

ABSTRACT:
An LED lamp includes a housing, a heat sink received in the housing, a plurality of LED modules thermally attached to the heat sink and a cover covering on the housing and engaging with the housing. The cover includes a base plate and an annular flange extending towards the housing from the base plate. The heat sink includes a base and fins extending from the base. The base is mounted on the annular flange of the cover. The fins extend through the cover to be exposed outside. A waterproof gasket is firmly and intimately compressed between the annular flange of the cover and the base of the heat sink, whereby the housing and the base of the heat sink defines a hermetical cavity receiving the LED modules therein.

REFERENCES:
patent: 7293898 (2007-11-01), Kumthampinij et al.
patent: 2009/0196037 (2009-08-01), Xiao et al.
patent: 2009/0310381 (2009-12-01), Chang et al.

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