LED Light

How does LED lighting work?

led diode

LED diode. How does LED lighting work?

The operation of LED lighting is based on electroluminescence, which is the result of a combination of electrons and holes in the P-N semiconductor connectors found in LED diodes.

Semiconductor is a crystal that is made of two layers – the N layer contains electrons (negative charge) while the P layer contains so-called holes (positive charge). When the current is supplied to the semiconductor, the electrons from the N layer jump to the P layer and during this jump, the energy separated out in the form of radiation – that is, simply light – is released. In contrast to incandescent bulbs and so-called energy-saving fluorescent lamps, there is no energy loss for heat and no harmful substances for the environment. In addition, LED bulbs are 100% biodegradable.


The color of light in LED lighting depends on the type of material from which the semiconductor is made and on the distance the electrons from the N to P layer have to jump over.
Unlike other light sources that need special filters for this, LEDs produce light instantly in a specific color, making it intense and saturated.

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