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Higher Physics Semiconductor Diodes. Light Emitting Diode 1 An LED is a forward biased diode When a current flows, electron-hole pairs combine at. - ppt download
![Let there be blue light: blue LEDs take the 2014 Nobel Prize for Physics | Science | In-depth reporting on science and technology | DW | 10.12.2014 Let there be blue light: blue LEDs take the 2014 Nobel Prize for Physics | Science | In-depth reporting on science and technology | DW | 10.12.2014](https://static.dw.com/image/17980471_105.jpg)
Let there be blue light: blue LEDs take the 2014 Nobel Prize for Physics | Science | In-depth reporting on science and technology | DW | 10.12.2014
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electromagnetic radiation - Why does the LED light colour spectrum spike in the blue and green wavelengths but CFL lights have lots of smaller spikes across a few wavelengths? - Physics Stack Exchange
![Japanese-born U.S. citizen Shuji Nakamura holds a blue LED light at a news conference after winning the 2014 Nobel Prize for Physics, at the University of California Santa Barbara in Isla Vista, Japanese-born U.S. citizen Shuji Nakamura holds a blue LED light at a news conference after winning the 2014 Nobel Prize for Physics, at the University of California Santa Barbara in Isla Vista,](https://c8.alamy.com/compfr/2cyyj7g/japanese-born-u-s-citizen-shuji-nakamura-holds-a-blue-led-light-at-a-news-conference-after-winning-the-2014-nobel-prize-for-physics-at-the-university-of-california-santa-barbara-in-isla-vista-california-october-7-2014-an-american-and-two-japanese-scientists-won-the-2014-nobel-prize-for-physics-on-tuesday-for-inventing-a-new-energy-efficient-and-environment-friendly-light-source-leading-to-the-creation-of-modern-led-light-bulbs-isamu-akasaki-and-hiroshi-amano-of-japan-and-nakamura-won-the-prize-for-developing-the-blue-light-emitting-diode-led-the-missing-piece-that-now-allows-manufa-2cyyj7g.jpg)
Japanese-born U.S. citizen Shuji Nakamura holds a blue LED light at a news conference after winning the 2014 Nobel Prize for Physics, at the University of California Santa Barbara in Isla Vista,
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