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Nick Holonyak, Jr. invented Led light in 1962, at a General Electric Company laboratory in Syracuse, New York.

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13y ago

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In 1993. For more info on the discovery go here:

http://en.wikipedia.org/wiki/Light-emitting_diode#Discoveries_and_early_devices

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15y ago
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January 27, 1880 by Thomas Edison.

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12y ago
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Q: Where was the led light bulb invented?
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