In electrical engineering, a light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, thereby …

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 …

Nov 25, 2025 · An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.

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 type of …

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 …

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 direction.

LED lighting projects just got easier! In our DIY section you'll find difficulty ratings, time estimates, material lists and step-by-step instructions for completing popular LED lighting projects.

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 Drivers and many.

Dec 3, 2019 · LED dates back to the early 1900s when a British physicist discovered silicon carbide crystals could produce light when electric currents were touched. In 1962, GE scientist Nick …

LED light bulbs or lamps utilize light-emitting diodes in order to produce light. LED is a “solid-state” technology, which means that the materials used to generate the light are encased within a solid …