LED stands for Light Emitting Diode. LEDs began as exciting but expensive electronic components in the sixties, used in handheld calculators and other similar devices. Through research and development, LED technology advanced, became more efficient and less expensive, until it reached its current form. LEDs can now be used for a number of lighting applications and are available across the spectrum of visible, infrared, and ultraviolet light.
Affordable 12V LED lights, for example, are often used as a conventional lighting source in homes, offices, and places of business because they are more energy-efficient, last longer, are more physically durable, and are safer than incandescent lighting sources.