
Light-emitting diode - Wikipedia
A light-emitting diode (LED) is an electronic component that uses a semiconductor to emit light when current flows through it. Electrons in the semiconductor recombine with electron holes, thereby …
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, which releases …
LED | Definition, Light, & Facts | Britannica
Jan 2, 2026 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.
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 microchip, which …
Light Emitting Diode (LED): What is it & How Does it Work?
Feb 24, 2012 · What is a Light Emitting Diode (LED)? How Does a Light Emitting Diode (LED) Work? LED Definition: A Light Emitting Diode (LED) is a semiconductor device that emits light when electric …
Understanding Kelvin and LED Light Color Temperatures
Discover how Kelvin ratings influence LED light color temperatures, from warm white to cool daylight. Learn how to choose the perfect lighting tone for your home, office, or outdoor space. Transform …
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, transmit information …
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 better light …
What is an LED? | All About LEDs | Adafruit Learning System
Feb 11, 2013 · In fact, the first two letters of LED stand for Light Emitting. A really nice thing about LEDs is that they are very simple. Unlike some chips that have dozens of pins with names and special …
LED Tape Light & LED Strip Light: Indoor, Outdoor, & RGB | Diode LED
LED Tape & Strip Lights From accent lighting to full-power cove lighting, from kitchen under-cabinet to robust exterior lighting, we manufacture the right linear LED light for every application. Hanging …