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Guide to Light Emitting Diode (LED)

A Light Emitting Diode also called "LED" is basically a semi-conductor light source. An LED is turned ON by forward biasing the diode. When a diode is forward biased, the holes combine with electrons which causes the energy to release in the form of photos. The size of an average LED is around 1 millimeter square. An LED has many advantages over incandescent light. LED consumes less energy, lasts longer than ordinary bulbs, is smaller in size and is much more reliable.Image Credits: flickr.com

This guide includes articles related to the working of light emitting diode and its applications. The comparison of LED and LCD is also discussed.

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