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Lightbulb moment for Nobel physicists: prize awarded for inventing blue LEDs | Nobel prizes | The Guardian
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![Japanese-born U.S. citizen Shuji Nakamura holds an LED tester after winning the 2014 Nobel Prize for Physics, at the University of California Santa Barbara in Isla Vista, California October 7, 2014. An Japanese-born U.S. citizen Shuji Nakamura holds an LED tester after winning the 2014 Nobel Prize for Physics, at the University of California Santa Barbara in Isla Vista, California October 7, 2014. An](https://c8.alamy.com/comp/2E5X78J/japanese-born-us-citizen-shuji-nakamura-holds-an-led-tester-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-manufacturers-to-produce-white-2E5X78J.jpg)