Light-emitting diode - Wikipedia
A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form …
LED Lighting Solutions | Energy Harness
Energy Harness is all things LED lights, with the right lighting solutions for you and your facility. With one click, learn how you can save!
LED | Definition, Light, & Facts | Britannica
Oct 13, 2025 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.
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Learn About LED Lighting - ENERGY STAR
LED stands for light emitting diode. LED lighting products produce light up to 90% more efficiently than incandescent light bulbs. How do they work? An electrical current passes through a …