Keyword Analysis & Research: LED
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Led Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/led
Web Resultnoun. ˌel- (ˌ)ē-ˈdē. plural LEDs. : a semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices (as for an indicator light) Did you know? When to Use Lead or Led. There is some persistent confusion about lead and led. Or, we should say, there is confusion about the …
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Light-emitting diode - Wikipedia
https://en.wikipedia.org/wiki/Light-emitting_diode
Web ResultA 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 of photons.
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Learn About LED Lighting | ENERGY STAR
https://www.energystar.gov/products/light_bulbs/learn-about-led-lighting
Web ResultLED 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 illuminates the tiny light sources we call LEDs and the result is visible light.
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LED | Definition, Lights, Types, & Facts | Britannica
https://www.britannica.com/technology/LED
Web ResultMar 20, 2024 · LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many electronic devices as indicator lamps, in automobiles as rear-window and brake lights, and on billboards and signs as alphanumeric displays or even.
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How Light Emitting Diodes Work | HowStuffWorks
https://electronics.howstuffworks.com/led.htm
Web ResultLight emitting diodes, commonly called LEDs, are real unsung heroes in the electronics world. They do many different jobs in all kinds of devices. They form numbers on digital clocks, transmit information from remote controls, light up watches and tell you when your appliances are turned on.
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What Is an LED? - How-To Geek
https://www.howtogeek.com/769829/what-is-an-led/
Web ResultAug 11, 2022 · A Diode That Emits Light. LED stands for "Light-Emitting Diode." The word "diode" is a key component here, because a diode is a semiconductor that only allows electricity to flow in one direction. To make an LED, manufacturers take two materials and place them in close proximity. The first material is typically a metal, …
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Light-Emitting Diodes (LEDs) - SparkFun Learn
https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds/all
Web ResultLEDs (that's "ell-ee-dees") are a particular type of diode that convert electrical energy into light. In fact, LED stands for "Light Emitting Diode." (It does what it says on the tin!) And this is reflected in the similarity between the diode and LED schematic symbols: In short, LEDs are like tiny lightbulbs.
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LED circuit - Wikipedia
https://en.wikipedia.org/wiki/LED_circuit
Web ResultIn electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED.
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Light Emitting Diode <What are LEDs and How Do They Work
https://www.rohm.com/electronics-basics/leds/what-are-leds
Web ResultWhat are LEDs? LEDs are a type of semiconductor called "Light Emitting Diode". White LEDs, which have achieved practical realization through the use of high-brightness blue LEDs developed in 1993 based on Gallium Nitride, are attracting increased attention as a 4th type of light source. How do LEDs Emit Light?
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LED Lighting | Department of Energy
https://www.energy.gov/energysaver/led-lighting
Web ResultLED 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 25 times longer, than incandescent lighting.
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