LED | Definition, Light, & Facts | Britannica
Oct 25, 2024 · 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 devices starting in 1968, when Hewlett-Packard (HP) introduced the first LED display.
LED Lighting | Department of Energy
LED is a highly energy-efficient lighting technology, and has the potential to fundamentally change the future of lighting in the United States. Residential LEDs -- especially ENERGY STAR rated products -- use at least 75% less energy, and last up to …
LED Basics - Department of Energy
The ability of LED technology to produce high-quality white light with unprecedented energy efficiency is the primary motivation for the intense level of research and development currently supported by the U.S. Department of Energy.
After completing this course, you should be able to: Understand the LED market and the key LED opportunities. Know the basics of LED technology. Recognise the savings from controls. Identify the trends in the market. Know the rules for choosing good quality LEDs. 1.3 The LED Market.
50 Years of LED Technology - WIRED
Oct 8, 2012 · While the incandescent is still king in homes across the nation, the LED has transformed lighting in more ways than Holonyak could have imagined. From those first dim red diodes to powerful ...
Understanding LED Technology | EC&M
Mar 31, 2002 · Light-emitting diodes (LEDs) are solid-state devices that convert electric energy directly into light of a single color. Because they employ “cold” light generation technology, in which most of the energy is delivered in the visible spectrum, LEDs don't waste energy in the form of non-light producing heat.
LED's Explained - The Engineering Mindset
May 17, 2023 · In this article, we'll explain LED technology in an easy to understand way. We'll cover the different types of LED lights, the different colors that LEDs can emit, and the different applications for LED technology and how they work.
LEDs for lighting: Basic physics and prospects for energy savings
Sep 1, 2017 · Light-Emitting Diodes (LEDs) have been part of daily life for many decades, starting with indicator lamps and infrared remote controls in the 1960s. Yet it is only in 2014 that the Nobel Prize in Physics was awarded for LEDs, and namely for blue LEDs that eventually allowed one to produce white light.
Introduction to LEDs - Lighting Design Lab
Light Emitting Diode (LED) is a relatively old technology, circa 1970, that has advanced from numeric displays and indicator lights to a range of new applications, including exit signs, accent lights, task lights, traffic lights, automobile lighting, signage, wall …
The Evolution of LED Technology: Benefits and Applications
Mar 20, 2024 · Discover the evolution of LED technology, its benefits, and diverse applications across industries. Explore energy efficiency, durability, and versatility.
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