LED Lights - How it Works - History
LED Bulb - Lighting History, LED History | TCP Lighting
Light-emitting diode - Wikipedia
High Efficacy Redesign - Revolution Micro
Philips Unveils World's First LED Replacement for Most Common Bulb
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
Inventing the LED Lightbulb - The Atlantic
The history of the LED
50 Years of LED Technology | WIRED
NIIPP АЛ360Б (AL360B) - Fluorescent Green LED
Early Red LED (Unknown Mfr.) - Industrial Alchemy
On the origin of the LED lamp – Product Evolution
the history of LED lighting - energy saving lighting
LED Impacts – Illinois Distributed Museum
The World's First LED Inspired This Giant LED Lamp
For The First Time (or the last time): 1968: first commercial LED
Monsanto MV1 - The First Successful Red LED
File:Early LED Patents.png - Wikimedia Commons
GE SSL-5A - Gallium Arsenide Infrared LED
LED Bulb - Lighting History, LED History | TCP Lighting
History Of White LEDs | Hackaday
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
Make the First LED From 1907 - H.J. Round - Instructables
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
