Light-emitting diode - Wikipedia
What are LEDs and How Do They Work
50 Years of LED Technology | WIRED
Light-emitting diode - Wikipedia
Make the First LED From 1907 - H.J. Round - Instructables
The First LED from 1962 Inspires Hand-Blown Glass Lamps
Inventing the LED Lightbulb - The Atlantic
Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
Light-emitting diode - Wikipedia
Philips Unveils World's First LED Replacement for Most Common Bulb
3M's first LED bulb uses TV tech to appeal to lighting Luddites - ExtremeTech
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
Osram presents the first LED "light bulb" made in Germany – OSRAM Group Website
the history of LED lighting -
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
Monsanto MV1 - The First Successful Red LED
LED Bulb - Lighting History, LED History | TCP Lighting
History Of White LEDs | Hackaday
Light-emitting diode - Wikipedia
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
The First Light Emitting Diodes - YouTube
Nobel Shocker: RCA Had the First Blue LED in 1972 - IEEE Spectrum
History of LED Lighting | Shine Retrofits Lighting Blog
Light-emitting diode - Wikipedia
LED Bulb - Lighting History, LED History | TCP Lighting
