History of the LED
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
The Surprising History of the LED: the amazing facts you didn't know - YouTube
GE SSL-5A - Gallium Arsenide Infrared LED
LED Lights - How it Works - History
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
Inventing the LED Lightbulb - The Atlantic
Early Red LED (Unknown Mfr.) - Industrial Alchemy
Light-emitting diode - Wikipedia
On the origin of the LED lamp – Product Evolution
LED Bulb - Lighting History, LED History | TCP Lighting
50 Years of LED Technology | WIRED
High Efficacy Redesign - Revolution Micro
History Of White LEDs | Hackaday
LED Bulb - Lighting History, LED History | TCP Lighting
For The First Time (or the last time): 1968: first commercial LED
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
History of LED Lighting | Shine Retrofits Lighting Blog
File:Early LED Patents.png - Wikimedia Commons
History of LED Lights: A Comprehensive Overview
50 Years of LED Technology | WIRED
Early Green & Red LEDs (Unknown Mfr.) - Industrial Alchemy
Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
LED Impacts – Illinois Distributed Museum
the history of LED lighting - energy saving lighting
