Heat dissipating structure and lamp having the same

Details Heat dissipating structure and lamp having the same Heat dissipating structure and lamp having the same

2011-01-18

2011-01-18

O Shea, Sandra L (Department: 2885)

Illumination

Light source and modifier

With ventilating, cooling or heat insulating means

C362S373000, C362S800000, C361S703000

Reexamination Certificate

active

07871184

ABSTRACT:
A heat dissipating structure includes a cover. The cover includes an inner heat dissipating body and an outer heat dissipating body. The inner heat dissipating body includes a cylinder and a plurality of first fins extending from an outer surface of the cylinder. The outer heat dissipating body includes a ring portion encircling a part of the inner heat dissipating body and a plurality of second fins extending from one side of the ring portion. In this way, more heat dissipating fins and larger heat dissipating surface area can be formed to enhance heat conduction and dissipation effect when restricted by the size of cover. A lamp with this heat dissipating structure is also provided. A service life of the LED in the lamp can be greatly prolonged.

REFERENCES:
patent: 2004/0244948 (2004-12-01), Luo
patent: 2005/0111234 (2005-05-01), Martin et al.
patent: 2008/0175003 (2008-07-01), Tsou et al.
patent: 2009/0016063 (2009-01-01), Hu
patent: 285661 (2006-01-01), None

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