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GREENLIGHT ENERTECH TRADING Co., Authorized GES S-COB LED Light Distributor: Who invented Light Emitting Diode (LED)?
![TIL that although red, yellow and green LED lights have been widely available since the 1960s, blue and white LEDs did not exist until the 1990s. The people who invented the blue TIL that although red, yellow and green LED lights have been widely available since the 1960s, blue and white LEDs did not exist until the 1990s. The people who invented the blue](https://external-preview.redd.it/ZCpjSXpOgnT1wz4SDhmFNdNmY0TLJX2Tywo68_nQUic.jpg?auto=webp&s=0452da03c38688e9e3f1ae8fd6f2a6b2c208b9b9)
TIL that although red, yellow and green LED lights have been widely available since the 1960s, blue and white LEDs did not exist until the 1990s. The people who invented the blue
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LED Inventor, U of I Professor, Feels Work Bypassed By Nobel | Illinois Public Media News | Illinois Public Media
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