Light-emitting diode - Wikipedia
A light-emitting diode (LED) [5] is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in …
LED Definition & Meaning - Merriam-Webster
The meaning of LED is past tense and past participle of lead. When to Use Lead or Led.
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.
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 …
LED Lighting for Everything | Super Bright LEDs
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Light Emitting Diode (LED): What is it & How Does it Work?
Feb 24, 2012 · What is a Light Emitting Diode (LED)? A Light Emitting Diode (LED) is a special type of PN junction diode. The light emitting diode is specially doped and made of a special …
Amazon.com: Led Bulbs
Upgrade your home with LED bulbs that save on energy costs while providing ample, adjustable illumination. Explore options with smart capabilities.