Join us at TNW Conference 2022 for insights into the future of tech →

All Articles for

Light-Emitting Diode

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.