LED stands for Light Emitting Diode. They may look like a lightbulb but, they aren’t really anything like the old style of bulb.
An LED light looks like a bulb but in fact, it isn’t a bulb at all. LED’s are really small semiconductors encapsulated in plastic to protect the components and help focus the light. Normal bulbs produce lights through an incandescent process where power is put through a filament and the filament produces heat and then light so the bulb glows and produces the light we see. In this process a lot of energy is wasted in the form of heat. LED lights are different in that they use a “cold process” where power is put through the semiconductors and they’re stimulated by the movement of electrons; thus creating photons, the light that is visibly seen by humans. This is why LED lights produce very little heat and use so much less energy. It is also why LED bulbs tend to not “burn out” all at once but will slowly dim as they need replacing.
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