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Isamu Akasaki
Isamu Akasaki 201111.jpg
Isamu Akasaki
Born (1929-01-30)January 30, 1929
Chiran, Kawanabe District, Kagoshima, Empire of Japan
Died April 1, 2021(2021-04-01) (aged 92)
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, January 30, 1929 – April 1, 2021) was a Japanese engineer and physicist. He was best known for inventing the bright gallium nitride (GaN) p-n junction blue LED in 1989.

Akasaki was awarded the Kyoto Prize in Advanced Technology in 2009. He was also awarded the 2014 Nobel prize in Physics 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".

Akasaki died on April 1, 2021 at his home in Nagoya, Japan from pneumonia, aged 92.

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