LED lamp

Details LED lamp LED lamp

2008-12-31

2010-06-01

Lee, Y My Quach (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S244000, C362S373000

Reexamination Certificate

active

07726846

ABSTRACT:
An LED lamp includes a fixing rod, a first heat sink mounted to the fixing rod, a second heat sink mounted on the first heat sink, a plurality of LED modules attached on the second heat sink and a lamp cover engaging the first heat sink to enclose the second heat sink and the LED modules. The second heat sink includes a plurality of heat-conducting faces formed on a bottom end thereof and arranged at different levels. The LED modules are respectively attached on the heat-conducting faces of the second heat sink. The lamp cover includes a panel and a plurality of annular steps extending outwardly from the panel in sequence. Each annular step has a concave lens attached thereon. The annular steps are located corresponding to the LED modules of the second heat sink, respectively.

REFERENCES:
patent: 6425678 (2002-07-01), Verdes et al.
patent: 2009/0027889 (2009-01-01), Kang et al.
patent: 2009/0103294 (2009-04-01), Zhang et al.

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