L.E.D. LIGHT EMITTING ASSEMBLY WITH COMPOSITE HEAT SINK
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United States of America Patent
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Issued Date -
Feb 27, 2014
app pub date -
Aug 10, 2010
filing date -
Aug 10, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A light emitting assembly includes an elongated heat sink 22 of aluminum material, a heat spreader 24 of a copper material disposed on the heat sink 22, and light emitting diodes 26 disposed on the heat spreader 24. An insulating layer 54 is disposed on the heat spreader 24 and a circuit 62 including a ribbon 64 extends continuously along the insulating layer 54 between the light emitting diodes 26. A conformal coating 70 is disposed over the circuit 62 so that the heat sink 22, conformal coating 70, the ribbon 64, the insulating layer 54, and the heat spreader 24 are sandwiched together. A reflector 72 is disposed around each of the light emitting diodes 26 for reflecting the light in a predetermined direction.
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