A light emitting diode or LED is a semiconductor device. LED produce incoherent narrow spectrum of light when it is in forward biased condition. The color of the light emitted depends on the composition of the semiconductor material used in manufacturing of LED. It is extensively used in an array of application such as displays devices on clock, digital watches, lighting bulbs, radios, and calculators. LEDs also find its applications in high definition television display, camera, camcorder, telecommunications, optical fiber communication, and TV remote controls. The application of LED is even exceeded to the Jewelry and Wearable’s.
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