The blue LED. Ubiquitous as they are now, they’re a relatively recent invention! Yet without them so much of our modern tech wouldn’t be possible, from cell phone displays, to energy-efficient light bulbs. Join me in LGR Tech Tales, looking at stories of technological inspiration, failure, and everything in-between!
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● Music used in order of appearance:
“Nautical 2” by Loscil
https://www.youtube.com/watch?v=zpjlqXaC6ys
“Anekbah Theme”
https://www.youtube.com/watch?v=MmdgZkWgfUE
Downtown Alley 1, Particle Emission 2, Smooth Deal
http://www.epidemicsound.com
“Twin Shine”
https://www.youtube.com/audiolibrary/music
● Sources for this episode’s info:
https://web.archive.org/web/20141008120714/http://the-japan-news.com/news/article/0001625473
https://www.livescience.com/48193-how-blue-leds-changed-the-world.html
http://aip.scitation.org/doi/10.1063/1.1753706
http://www.sciencedirect.com/science/article/pii/0022024889902005
http://www.popsci.com/diy/article/2010-02/gray-matter-light-mystery
http://aip.scitation.org/doi/abs/10.1063/1.109374
http://ledmuseum.candlepower.us/1960.htm
https://www.ecse.rpi.edu/~schubert/Light-Emitting-Diodes-dot-org/chap01/chap01.htm
http://www.industrialalchemy.org/articleview.php?item=529
https://www.newscientist.com/blog/technology/2007/04/led-older-than-we-thought.html
https://spectrum.ieee.org/tech-talk/semiconductors/devices/no-nobel-for-the-father-of-the-led
https://www.nobelprize.org/nobel_prizes/physics/laureates/2014/popular-physicsprize2014.pdf
https://www.nobelprize.org/nobel_prizes/physics/laureates/2014/nakamura-bio.html
http://www.commercialsihate.com/the-ctrlv-game_topic4100_post169281.html#169281
http://www.ledinside.com/news/2014/10/the_story_behind_shuji_nakamuras_invention_of_blue_leds
http://edisontechcenter.org/lighting/LED/TheFirstPracticalLED.pdf
https://medium.com/starts-with-a-bang/why-blue-leds-are-worth-a-nobel-prize-2b5ff8c22803
http://www.popsci.com/article/technology/why-blue-led-worth-nobel-prize
http://www.nanophotonics.org.uk/niz/publications/zheludev-2007-ltl.pdf