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January 2014
library  >  Qpedia - Monthly Thermal eMagazine

The Performance of a Heat Sink with Piezoelectric Fins


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an led light is often made of a small piece of semiconductor, an integrated optical lens used to shape its radiation pattern, and a heat sink, used to dissipate heat and maintain the semiconductor at a low operating temperature. led lights present many advantages over incandescent light sources, including lower energy consumption, longer lifetime, improved physical robustness, smaller size and faster switching. led lights are powerful enough for room and street lighting and are relatively expensive.

 

they also require more precise current and heat management than traditional incandescent and compact fluorescent lamp sources of comparable output. 

 

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