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, releasing …

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

Both OLED screens and LED screens are known for their energy efficiency, brightness and vibrant, lifelike colors. So, what is the difference between OLED and LED? We will delve into the intricate distinctions …

24 feb. 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 …

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 …

14 aug. 2025 · What is an LED light? An LED light is a small, efficient light-emitting device that uses a semiconductor material to produce light when electricity passes

10 jun. 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 …

20 sep. 2024 · In this article, we have seen about basics of LED and few important characteristics of LED. In the next tutorial, we will see How an LED works and the construction of an LED.

3 jun. 2025 · LED lighting refers to the use of a light emitting diode as a source of illumination. Unlike traditional incandescent bulbs or fluorescent lamps, an LED is a semiconductor device that emits light …

3 dec. 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 Holonyak …