Light-emitting diode - Wikipedia
LEDs to light up the world | Feature | Chemistry World
LED Bulb - Lighting History, LED History | TCP Lighting
How Do LED Flashlights Work? - STKR Concepts
LED Lights - How it Works - History
World-first quantum dot LED lights made from discarded rice husks
3M's first LED bulb uses TV tech to appeal to lighting Luddites - ExtremeTech
Osram presents the first LED "light bulb" made in Germany – OSRAM Group Website
GE SSL-5A - Gallium Arsenide Infrared LED
50 Years of LED Technology | WIRED
The First Light Emitting Diodes - YouTube
Light-emitting diode - Wikipedia
Light-emitting diode - Wikipedia
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
LED Bulb - Lighting History, LED History | TCP Lighting
Light-emitting diode - Wikipedia
the history of LED lighting -
Monsanto MV1 - The First Successful Red LED
History of LED - Development of Light-Emitting Diodes
The First LED from 1962 Inspires Hand-Blown Glass Lamps
Philips Unveils World's First LED Replacement for Most Common Bulb
Nobel Shocker: RCA Had the First Blue LED in 1972 - IEEE Spectrum
Philips Announces the World's First LED Replacement for the 75-Watt Bulb
History Of White LEDs | Hackaday
What are LEDs and How Do They Work
