Early Green & Red LEDs (Unknown Mfr.) - Industrial Alchemy
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
Inventing the LED Lightbulb - The Atlantic
LED lamp - Wikipedia
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Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
Light-emitting diode - Wikipedia
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Light-emitting diode - Wikipedia
The Surprising History of the LED: the amazing facts you didn't know - YouTube
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the history of LED lighting - energy saving lighting
History of LED Lights: A Comprehensive Overview
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3M's first LED bulb uses TV tech to appeal to lighting Luddites | ExtremeTech | Led bulb, Electrical engineering books, Led
