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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, …

  2. LED Definition & Meaning - Merriam-Webster

    The meaning of LED is past tense and past participle of lead. When to Use Lead or Led.

  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. LED | Definition, Light, & Facts | Britannica

    Nov 25, 2025 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.

  6. OLED vs. LED: What Is the Difference? - Best Buy

    Both OLED screens and LED screens are known for their energy efficiency, brightness and vibrant, lifelike colors. So, what is the difference between OLED and LED? We will delve into …

  7. 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, …

  8. 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 …

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

    Jun 3, 2025 · Unlike traditional incandescent bulbs or fluorescent lamps, an LED is a semiconductor device that emits light when electrical current passes through it in the forward …

  10. Illuminate Your Space - LED Lighting Solutions | Diode LED

    Diode LED is the wholesale and manufacturing division of Elemental LED and is a premier wholesale supplier of LED lighting, providing a wide variety of linear, task, and accent lighting …