LED

LED

Light Emitting Diode.

An LED is a small light found on many items of equipment, typically used to indicate activity or that something is switched on. LEDs are cheap and low power. Typically red in colour (because these are cheaper to produce) but available in other colours also.

cf OLED.

For more information see:

• http://everything.explained.at/Light-emitting_diode - LED explained.