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Basic parts of LED light bulbs

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Date:2015-03-09
LED lighting starts with a tiny chip comprised of layers of semi-conducting material. 
 
LED packages may contain just one chip or multiple chips, mounted on heat-conducting material called a heat sink and usually enclosed in a lens. 
 
The resulting device, can be used separately or in arrays. LED devices are mounted on a circuit board, which can be programmed to include lighting controls such as dimming, light sensing and pre-set timing. 
 
The circuit board is mounted on another heat sink to manage the heat from all the LEDs in the array. The system is then encased in a lighting fixture, architectural structure.
 

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