LED lamp with a heat sink

Details LED lamp with a heat sink LED lamp with a heat sink

2007-11-28

2008-12-02

Husar, Stephen F (Department: 2875)

Illumination

Housing

With cooling means

C362S294000, C362S351000, C362S356000, C362S547000, C362S800000

Reexamination Certificate

active

07458706

ABSTRACT:
An LED lamp includes a lampshade, an LED module and a heat sink supporting and cooling the LED module. The heat sink includes a heat absorbing portion having a base plate for mounting the LED module thereon, and engaging with the lampshade for enclosing the LED module. A plurality of fins is formed on a top of the heat absorbing portion, and the fins extend outwardly beyond an outmost edge of the heat absorbing portion. A sidewall connects outmost ends of the fins. A plurality of apertures are defined between the outmost edge of the heat absorbing portion, the fins and the sidewall for allowing an airflow to flow from a bottom to a top of the heat sink via the apertures, thereby to effectively cool the heat sink and accordingly the LED module.

REFERENCES:
patent: 7396146 (2008-07-01), Wang
patent: 2005/0174780 (2005-08-01), Park
patent: 2007/0091632 (2007-04-01), Glovatsky et al.

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