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  1. 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.

  2. 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 …

  3. 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.

  4. 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 …

  5. Amazon.com : led bulbs

    LED Light Bulbs, 300W Equivalent LED Corn Light Bulb, 40W E26 Medium Base Led Corn Light, Daylight White 5000K, 5000 Lumens Bright for Home Bedroom Kitchen Living Room Office 2 …

  6. 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 …

  7. LED - Light Emitting Diode: Basics, Types and Characteristics

    Sep 20, 2024 · In this article, we have seen about basics of LED and few important characteristics of LED. In the next tutorial, we will see How an LED works and the construction of an LED.

  8. 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, …

  9. 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 …

  10. LED Lighting - Department of Energy

    The light-emitting diode (LED) is today's most energy-efficient and rapidly developing lighting technology. Quality LED light bulbs last longer, are more durable, and offer comparable or …