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  1. Light-emitting diode - Wikipedia

    In electrical engineering, 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 …

  2. LED Definition & Meaning - Merriam-Webster

    The correct past and past participle of lead is spelled led. If you aren’t sure whether to use led or lead as the verb in your sentence, try reading it aloud to yourself. If the verb is pronounced /LED/, use led.

  3. LED | Definition, Light, & Facts | Britannica

    6 days ago · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.

  4. Amazon.com : led

    LED 10K+ bought in past month Add to cart One Rope Can Do Anything Sponsored | Top 10 best-selling brand in led strip lights | Shop GoveeShop now Govee RGBIC Neon Lights, LED Smart Neon …

  5. 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 microchip, which …

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

    Jun 3, 2025 · What is LED Lighting? 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 …

  7. 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 type of …

  8. What is LED? - BYJU'S

    A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. When current passes through an LED, the electrons recombine with holes emitting light in …

  9. 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, which releases …

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

    Dec 3, 2019 · LED Lighting Supply experts explain how LEDs work & their advantages over traditional bulbs. Learn about P-N junction technology, band gaps, wavelengths & why LEDs produce 200+ …