Why It Was Almost Impossible to Make the Blue LED
Why It Was Almost Impossible to Make the Blue LED
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
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The first blue LED I ever saw was on the dashboard of my mom's VW Golf. I always wanted one like that, but now they're everywhere!
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Goodbye night vision
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Agreed, though the original wasn't as bright as the one in the pic. It was a frosted LED and was relatively dim.
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I like my car dashboard like I like my 1952 F-86 Saber night variant gauges... Orange
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Before there were blue LED, the indicator light for full beam was a blue tinted incandescent bulb. My parents had a Volkswagen Passat from the 1980s (?) where the usually blue indicator light for full beam was a green LED, since blue ones were not invented back then.
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Very interesting. I think my mom bought her car in 1996
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