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  1. 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 …

  2. 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.

  3. 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 …

  4. 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 …

  5. Light Emitting Diode Basics | LED Types, Colors and Applications

    Sep 16, 2024 · This article is composed as a brief understanding guide to LED, which includes a brief introduction, the electrical symbol of LED, types, construction, characteristics, LED …

  6. Light Emitting Diode (LED): Principle, Advantages, and Uses

    Jun 10, 2025 · A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it. LED works by passing electricity through a semiconductor, …

  7. 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.

  8. What is LED Lighting: Definition, Working Principle and Components

    Jun 3, 2025 · LED lighting refers to the use of a light emitting diode as a source of illumination. Unlike traditional incandescent bulbs or fluorescent lamps, an LED is a semiconductor device …

  9. What is LED ( Light Emitting Diodes ) | LED Lighting Supply

    Dec 3, 2019 · LED dates back to the early 1900s when a British physicist discovered silicon carbide crystals could produce light when electric currents were touched. In 1962, GE scientist …

  10. LED Lighting for Everything | Super Bright LEDs

    Super Bright LEDs is one of the largest online retailers of LED lighting for commercial and residential uses. Enjoy free/same-day shipping on qualifying orders!