By Shiven Vashisht. A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly.

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Presentation transcript:

By Shiven Vashisht

A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Appearing as practical electronic components in 1962, early LEDs emitted low- intensity red light, but modern versions are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness.

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