LIGHT ENGINE
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 14, 2013
filing date -
Mar 14, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A light engine with a heat sink having a curved recessed cavity that receives a flexed or cupped PCB bearing a plurality of LEDs. Once situated within the cavity and released, the PCB has a tendency to return to its flat state, but flanges or other suitable mechanisms at the ends of the cavity restrain the edges of the PCB and prevent the PCB from returning to its flat state. In this way, the PCB is securely retained within and biased against the cavity by its own forces. As the PCB heats, the PCB expands, further biasing the PCB against the cavity of the heat sink and increasing the thermal conductivity between the two components.
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