الثنائي الباعث للضوء (بالإنجليزية: light-emitting diode اختصاراً: LED) هو مصدر ضوئي مصنوع من مواد أشباه الموصلات تبعث الضوء حينما يمر خلاله تيار كهربائي.

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, releasing energy in the form …

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 …

May 23, 2025 · 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 …

Sep 20, 2024 · LED or Light Emitting Diode is a very common source of light. An article about Basics of LED, Characteristics of LED and different Types of LED.

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, …

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 …

The biggest reason is price; LED bulbs cost more than the other options, even though prices for LED bulbs have come down in recent years. However, their longer life spans and dramatically …

A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. When current passes through an LED, the electrons recombine with holes …

The “Light Emitting Diode” or LED as it is more commonly called, is basically just a specialised type of diode as they have very similar electrical characteristics to a PN junction diode. This …