|Noun||1.||light-emitting diode - diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used|
|(electronics)||light-emitting diode - (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.