light-emitting diode

<electronics>

(LED) a type of diode that emits light when current passes through it. Depending on the material used the colour can be visible or infrared. LEDs have many uses, visible LEDs are used as indicator lights on all sorts of electronic devices and in moving-message panels, while infrared LEDs are the heart of remote control devices.

See also smoke-emitting diode.

Last updated: 1996-01-05

Nearby terms:

light client ♦ light-emitting diode ♦ light-emitting resistor ♦ light pen

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