LED projection lamp having a cylindrical heat sink
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United States of America Patent
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Oct 1, 2012
filing date -
Feb 27, 2012
priority date (Note) -
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Abstract
A LED projection lamp includes a heat sink, a lamp cup, an LED module, a lens, a first heat conduction component, a fastening device and a second heat conduction component. The heat sink is cylindrical and provided with a trumpet-shaped inner cavity on the front and a cylindrical inner cavity at the rear. The lamp cup is arranged inside the trumpet-shaped inner cavity and the LED module is disposed on a small opening portion of the lamp cup. The lens is used by the LED module for light transmission, the first heat conduction component includes a first vapor chamber, the fastening device is sleeved at the rear end of the cylindrical inner cavity, and the second heat conduction component includes a second vapor chamber.
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