Mabviro Mumakore ekuma1960, masayendisiti akagadzira LED zvichibva pamusimboti we semiconductor PN junction. Iyo LED yakagadzirwa panguva iyoyo yakagadzirwa neGaASP uye ruvara rwayo runopenya rwakanga rwutsvuku. Mushure meanoda kusvika makore makumi matatu ebudiriro, isu takajairana ne LED, iyo inogona kuburitsa tsvuku, orenji, yero, yegirinhi, yebhuruu ...
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