what exactly do you mean by led ?
what do you mean by led ? An extremely basic overview of the workings of a light-emitting diode. In the most basic terms an LED ( led full form ) is an electronic device that emits light when an electric current is traversed through it. The light is created when the particles carrying electrons and holes (known as electrons and holes) are incorporated into the materials of the semiconductor. Since light is produced inside the semiconductor solid LEDs are described in terms of solid-state technology. The term solid-state lighting, that also includes organic LEDs (OLEDs) sets this technology of lighting from other sources using hot filaments (incandescent and tungsten lamp halogens) (or gas discharge) (fluorescent lamps). Different colors Inside the semiconductor of the LED the electrons as well as holes are contained within energy bands. The band separation (i.e. that is the bandgap) determines the energy of the photons (light particles) tha...