Heat dissipating structure and lamp having the same
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United States of America Patent
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-
Jan 18, 2011
Grant Date -
May 28, 2009
app pub date -
May 19, 2008
filing date -
Nov 28, 2007
priority date (Note) -
Expired
status (Latency Note)
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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.
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