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  1. Light-emitting diode - Wikipedia

    LEDs have many advantages over incandescent light sources, including lower power consumption, a longer lifetime, improved physical robustness, smaller sizes, and faster switching.

  2. LED Definition & Meaning - Merriam-Webster

    Lead is both a noun and a verb, as most people know. There are several unrelated nouns spelled lead: one most commonly refers to a metal (as in, "The paint was made with lead"), and the …

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

    Jun 29, 2025 · LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current. LED displays began to be used for consumer electronic …

  4. Light Emitting Diode (LED): What is it & How Does it Work?

    Feb 24, 2012 · LED Definition: A Light Emitting Diode (LED) is a semiconductor device that emits light when electric current flows through it. Working Principle of LED: The working principle of …

  5. 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, …

  6. 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 …

  7. How Light Emitting Diodes Work | HowStuffWorks

    Light emitting diodes, commonly called LEDs, are real unsung heroes in the electronics world. They do many different jobs in all kinds of devices. They form numbers on digital clocks, …

  8. What is LED? - Construction, Working, Characteristics

    LED (Light Emitting Diode) is an optoelectronic device which works on the principle of electro-luminance. Electro-luminance is the property of the material to convert electrical energy into …

  9. What Is an LED? - How-To Geek

    LED stands for "Light-Emitting Diode." The word "diode" is a key component here, because a diode is a semiconductor that only allows electricity to flow in one direction. To make an LED, …

  10. Amazon.com: Led Lights

    Amazon.com: led lightsISCC PLUS certified products are created using raw materials like recycled plastics and bio-based materials, which can reduce fossil fuel consumption.