Isamu Akasaki

Japanese engineer (1929-2021)

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.[1][2][3][4]

Isamu Akasaki
赤崎 勇
Isamu Akasaki
Born(1929-01-30)January 30, 1929
DiedApril 1, 2021(2021-04-01) (aged 92)
NationalityJapanese
Alma materKyoto University
Nagoya University
AwardsAsahi Prize (2001)
Takeda Award (2002)
Kyoto Prize (2009)
IEEE Edison Medal (2011)
Nobel Prize in Physics (2014)
Charles Stark Draper Prize (2015)
Scientific career
FieldsPhysics, Engineering
InstitutionsMeijo University
Nagoya University

Akasaki was awarded the Kyoto Prize in Advanced Technology in 2009.[5] He was also awarded the 2014 Nobel prize in Physics with Hiroshi Amano and Shuji Nakamura[6] "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.[7]

References

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  1. "Japanese Journal of Applied Physics". Jsap.jp. Archived from the original on July 22, 2012. Retrieved 2015-11-10.
  2. "Japanese Journal of Applied Physics". jsap.jp. Archived from the original on April 18, 2012. Retrieved 2015-11-10.
  3. Amano, Hiroshi; Kito, Masahiro; Hiramatsu, Kazumasa; Akasaki, Isamu (1989-12-20). "P-Type Conduction in Mg-Doped GaN Treated with Low-Energy Electron Beam Irradiation (LEEBI)". Japanese Journal of Applied Physics. 28 (Part 2, No. 12). Japan Society of Applied Physics: L2112–L2114. Bibcode:1989JaJAP..28L2112A. doi:10.1143/jjap.28.l2112. ISSN 0021-4922.
  4. Isamu Akasaki; Hiroshi Amano; Masahiro Kito; Kazumasa Hiramatsu (1991). "Photoluminescence of Mg-doped p-type GaN and electroluminescence of GaN p-n junction LED". Journal of Luminescence. 48–49. Elsevier BV: 666–670. Bibcode:1991JLum...48..666A. doi:10.1016/0022-2313(91)90215-h. ISSN 0022-2313.
  5. "INAMORI FOUNDATION". Inamori-f.or.jp. Archived from the original on March 4, 2016. Retrieved November 10, 2015.
  6. "The 2014 Nobel Prize in Physics - Press Release". Nobelprize.org. Nobel Media AB 2014. Retrieved October 7, 2014.
  7. "Nobel-Winning Scientist Isamu Akasaki Dies at 92". nippon.com. April 2, 2021. Archived from the original on April 2, 2021. Retrieved April 2, 2021.


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