The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
3M's first LED bulb uses TV tech to appeal to lighting Luddites | Extremetech
LED Bulb - Lighting History, LED History | TCP Lighting
LED Inventor Nick Holonyak Reflects on Discovery 50 Years Later — LED professional - LED Lighting Technology, Application Magazine
Japanese lighting factory released the first LED light bulbs that can illuminate even if the power is cut off | Eneltec Group
LED lamp - Wikipedia
The First LED from 1962 Inspires Hand-Blown Glass Lamps
Happy 50th Anniversary LED light-emitting diode! - Electrical Business
The ultimate LED lighting timeline | LiquidLEDs Light
Philips Unveils World's First LED Replacement for Most Common Bulb
How LEDs changed the world | Fortune
Inventing the LED Lightbulb - The Atlantic
The World's First LED Lamp Recycler - Balcan LED Lamp Recycling System
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
History of the LED
When was the LED Light Invented? - Darkless LED Lighting Supplier
50 Years of LED Technology | WIRED
Philips to unveil the world's first LED replacement for the 75-watt light bulb
Ultra efficient | Philips lighting
LED Bulb - Lighting History, LED History | TCP Lighting
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
When LED Lights Were Invented? A Brief History Of LED Lighting - LED & Lighting Info
Light-emitting diode - Wikipedia
