Light-emitting diode - Wikipedia
A light-emitting diode (LED) [5] is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in …
LED Definition & Meaning - Merriam-Webster
The meaning of LED is past tense and past participle of lead. When to Use Lead or Led.
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.
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 …
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 …
Amazon.com : led bulbs
LED Light Bulbs, 300W Equivalent LED Corn Light Bulb, 40W E26 Medium Base Led Corn Light, Daylight White 5000K, 5000 Lumens Bright for Home Bedroom Kitchen Living Room Office 2 …
What is LED Lighting: Definition, Working Principle and ...
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 …