Isamu Akasaki

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2026-06-23

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Who is this?

Isamu Akasaki (Japanese: 赤﨑勇, romanized: Akasaki Isamu; January 30, 1929 – April 1, 2021) was a Japanese electronics engineer specializing in the field of semiconductor technology. He is best known for co-inventing the bright gallium nitride (GaN) p–n junction blue LED in 1989 and subsequently the high-brightness GaN blue LED as well. Akasaki was awarded the 2014 Nobel Prize in Physics, along with Hiroshi Amano and Shuji Nakamura, "for the invention of efficient blue light-emitting diodes which