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Isamu Akasaki
Isamu Akasaki 201111.jpg
Isamu Akasaki
Born January 30, 1929 (1929-01-30) (age 91)
Chiran, Kawanabe District, Kagoshima Prefecture, Empire of Japan
Nationality Japanese
Alma mater Kyoto University
Nagoya University
Awards Asahi Prize (2001)
Takeda Award (2002)
Kyoto Prize (2009)
IEEE Edison Medal (2011)
Nobel Prize in Physics (2014)
Charles Stark Draper Prize (2015)
Scientific career
Fields Physics, Engineering
Institutions Meijo University
Nagoya University

Isamu Akasaki (赤崎 勇 Akasaki Isamu, born January 30, 1929) is a Japanese engineer and physicist, specializing in the field of semiconductor technology and Nobel Prize laureate, best known for inventing the bright gallium nitride (GaN) p-n junction blue LED in 1989 and subsequently the high-brightness GaN blue LED as well.

For this and other achievements, Akasaki was awarded the Kyoto Prize in Advanced Technology in 2009, and the IEEE Edison Medal in 2011. He was also awarded the 2014 Nobel prize in Physics, together with Hiroshi Amano and Shuji Nakamura, "for the invention of efficient blue light-emitting diodes, which has enabled bright and energy-saving white light sources".

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