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Date : 2006-06-19

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Lightemitting diode Wikipedia ~ A lightemitting diode LED is a semiconductor light source that emits light when current flows through it Electrons in the semiconductor recombine with electron holes releasing energy in the form of photons

How Light Emitting Diodes Work HowStuffWorks ~ Light 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

Lightemitting diode physics Wikipedia ~ In lightemitting diode physics the recombination of electrons and electron holes in a semiconductor produce light or infrared radiation a process called electroluminescence The wavelength of the light produced depends on the energy band gap of the semiconductors used

What is lightemitting diode LED Definition from ~ A lightemitting diode LED is a semiconductor device that emits visible light when an electric current passes through it The light is not particularly bright but in most LEDs it is monochromatic occurring at a single wavelength

lightemitting diodes ~ 500pcs LED Diode Lights KingSo 5 Colors×100pcs 5mm Light Emitting Diodes LED Assortment Kit Electronics Components Diffused Round Light Bulb for Arduino White Red Orange Green Blue 43 out of 5 stars 24 988 9 88 002Count 2000 2000 Get it as soon as Tue Oct 8

LightEmitting Diodes LEDs ~ LEDs thats elleedees 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

Light Emitting Diode or the LED Tutorial ~ Unlike normal signal diodes which are made for detection or power rectification and which are made from either Germanium or Silicon semiconductor materials Light Emitting Diodes are made from exotic semiconductor compounds such as Gallium Arsenide GaAs Gallium Phosphide GaP Gallium Arsenide Phosphide GaAsP Silicon Carbide SiC or Gallium Indium Nitride GaInN all mixed together at different ratios to produce a distinct wavelength of colour

Lightemitting Diodes PubMed Central PMC ~ Lightemitting diodes comprise a semiconductor chip situated upon a reflective surface Light is produced when electricity is run through the semiconductor The wavelength of light produced is dependent on the composition of the semiconductor chip