Three scientists who succeeded in inventing efficient blue light-emitting diodes (LEDs) where many companies had failed have won the Nobel Prize in Physics.

The Royal Swedish Academy of Sciences on Tuesday announced the award to Isamu Akasaki of Meijo University and Nagoya University, Hiroshi Amano, also of Nagoya University, and Shuji Nakamura of the University of California, Santa Barbara (UCSB).

light emitting diode nobel
Phil Klein/Reuters

U.S. inventor Shuji Nakamura, who was awarded the Nobel Prize in Physics with two Japanese scientists, displays one of his LCD green light inventions at the University of California in Santa Barbara, California  in  2006.

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