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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. 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 …

  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. 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 …

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

    Feb 24, 2012 · This page is about Solid State Light or Light Emitting Diode or LED including the introduction of the working principle of LED. The features of LED are also mentioned in this …

  6. LED (Light-emitting diode) explained - Soldered Electronics

    The inside of the LED consists of two main parts – post and anvil. The post is the positive side of the LED, the anode side, and the anvil is the negative side, the cathode.

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

    Jun 10, 2025 · LED works by passing electricity through a semiconductor, which releases energy in the form of light. This process makes an LED highly efficient, durable, and versatile, finding …