Finally, electroluminescence is a process in which a material emits light in response to a stimulus. That diode is a semiconducting material - which manufacturers make for you to (safely) use that energy we just talked about. When you flip the on switch, that energy travels to the diode. The electrical current is the energy you can turn on and off when you flip a switch. This entire process happens because of electroluminescence.ĭoes that seem a little overcomplicated? It may sound like it - but you will perfectly understand what's going on once we break down the different scientific words. Scientifically speaking, a LED bulb produces light when an electrical current goes through the diode, and then that same diode emits photons.
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