Light-emitting diode - Wikipedia
LED Bulb - Lighting History, LED History | TCP Lighting
Early Green & Red LEDs (Unknown Mfr.) - Industrial Alchemy
LED lamp - Wikipedia
History of LED Lights: A Comprehensive Overview
The history of the LED
History of LED - Development of Light-Emitting Diodes
Light-emitting diode - Wikipedia
50 Years of LED Technology | WIRED
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
Amazon.com: 【Early Black Friday】3W Blue LED Spotlight, LED Pinspot Light Stage Beam Light, DJ Ball Light for KTV Bar Party Lighting : Musical Instruments
Monsanto MV1 - The First Successful Red LED
The Surprising History of the LED: the amazing facts you didn't know - YouTube
On the origin of the LED lamp – Product Evolution
the history of LED lighting - energy saving lighting
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
For The First Time (or the last time): 1968: first commercial LED
50 Years of LED Technology | WIRED
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
Inventing the LED Lightbulb - The Atlantic
3M's first LED bulb uses TV tech to appeal to lighting Luddites | ExtremeTech | Led bulb, Electrical engineering books, Led
Nobel Shocker: RCA Had the First Blue LED in 1972 - IEEE Spectrum
History of the LED
History of LED Lighting | Shine Retrofits Lighting Blog
Philips Unveils World's First LED Replacement for Most Common Bulb
Light-emitting diode - Wikipedia
Early Red LED (Unknown Mfr.) - Industrial Alchemy
