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===LED=== {{main|Blue LED}} In 1993, high-brightness blue LEDs were demonstrated by [[Shuji Nakamura]] of [[Nichia Corporation]].<ref name="Nakamura">{{cite journal | title=Candela-Class High-Brightness InGaN/AlGaN Double-Heterostructure Blue-Light-Emitting-Diodes | last1=Nakamura | first1=S. | last2=Mukai | first2=T. | last3=Senoh | first3=M. | journal=[[Applied Physics Letters]] | year=1994 | volume=64 | page=1687 | bibcode=1994ApPhL..64.1687N | doi=10.1063/1.111832 | issue=13 |issn=0003-6951}}</ref><ref>{{cite web |last1=Nakamura |first1=Shuji |title=Development of the Blue Light-Emitting Diode |url=http://spie.org/x115688.xml |publisher=SPIE Newsroom |access-date=28 September 2015}}</ref><ref>Iwasa, Naruhito; Mukai, Takashi and Nakamura, Shuji {{US patent|5578839}} "Light-emitting gallium nitride-based compound semiconductor device" Issue date: 26 November 1996</ref> In parallel, [[Isamu Akasaki]] and [[Hiroshi Amano]] of [[Nagoya University]] were working on a new development which revolutionized LED lighting.<ref>{{cite web |date=12 January 2023 |title=Professor Shuji Nakamura was key to the Invention of Blu-Ray Technology |url=https://ssleec.ucsb.edu/news/2023/01/12/professor-shuji-nakamura-was-key-invention-blu-ray-technology |archive-url=https://web.archive.org/web/20230324123538/https://ssleec.ucsb.edu/news/2023/01/12/professor-shuji-nakamura-was-key-invention-blu-ray-technology |archive-date=24 March 2023 |access-date=4 June 2023 |publisher=[[University of California, Santa Barbara]]}}</ref><ref>{{cite web|url=https://www.nae.edu/128641/Dr-Shuji-Nakamura-|archive-url=https://web.archive.org/web/20190411125926/https://www.nae.edu/128641/Dr-Shuji-Nakamura-|title= Dr. Shuji Nakamura|publisher=[[National Academy of Engineering]]|archive-date=11 April 2019|access-date=4 June 2023}}</ref> Nakamura was awarded the 2006 [[Millennium Technology Prize]] for his invention.<ref>[https://www.news.ucsb.edu/2006/012148/2006-millennium-technology-prize 2006 Millennium technology prize awarded to UCSB's Shuji Nakamura]. Ia.ucsb.edu (15 June 2006). Retrieved on 3 August 2019.</ref> Nakamura, [[Hiroshi Amano]] and [[Isamu Akasaki]] were awarded the [[Nobel Prize in Physics]] in 2014 for the invention of an efficient blue LED.<ref name="NYT-20141007-DO">{{cite news |last=Overbye |first=Dennis |author-link=Dennis Overbye |title=Nobel Prize in Physics |url=https://www.nytimes.com/2014/10/08/science/isamu-akasaki-hiroshi-amano-and-shuji-nakamura-awarded-the-nobel-prize-in-physics.html |date=7 October 2014 |work=[[The New York Times]] }}</ref>
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