Light emitting diode

A light-emitting diode (LED) is a two-lead semiconductor light source. It is a p–n junction diode, which emits light when activated. Rapporter et andet billedeRapporter det anstødelige billede.

LED for light-emitting diode), IR-diode eller UV-diode er en ensretterdiode (elektronisk komponent) og en transducer, som omsætter elektrisk energi til et smalt . Light emitting diodes, commonly called LEDs, are real unsung heroes in the electronics world. They do dozens of different jobs and are found in all kinds of . A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.

The positive side of the LED is called the “anode” and is marked by having a longer “lea” or leg. The other, negative side of the LED is called the “cathode. In light emitting diodes (LEDs), light is produced by a solid state process called . Silicon and germanium are not suitable because those junctions produce heat and no appreciable IR or visible light.

The junction in an LED is forward biased . Monster 5Lumens 100W LED Flashlight for.