About 16,900,000 results
Open links in new tab
  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, Light, & Facts | Britannica

    6 days ago · 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 …

  3. 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 …

  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. LEDs: What Are They? (Definition, Types, and Uses)

    Jan 1, 2025 · A LED or light-emitting diode is an electrical component that produces light when current passes through it. LEDs are semiconductor devices, light is produced when the …

  6. LED - Light Emitting Diode: Construction, Types & Applications

    LED is a short form of Light Emitting Diode. It is a type of diode that emits light when a current pass through it. In other words, LED is a special type of diode that converts electrical energy …

  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 · Light Emitting Diode or simply LED is one of the most commonly used sources of light now-a-days. Whether it may be your car’s headlights (or daytime running lights) or your …

  9. 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 …

  10. LED Bulbs | Amazon.com | Light Bulbs

    Shop for LED light bulbs at Amazon.com. Eligible for free shipping and free returns.