The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
World's first 100 watt equivalent LED replacement bulb
LED Bulb - Lighting History, LED History | TCP Lighting
the history of LED lighting - energy saving lighting
HouLight 5W Rechargeable Emergency LED Light Bulbs with Back Up Battery for Power Outage, Camping, Hurricane, Disaster Planning, 40W Equivalent, UL Certified (5000K Daylight White, 2-Pack) - Amazon.com
How LEDs changed the world | Fortune
Philips unveils world's first LED replacement for most common household light bulb | LEDs Magazine
50 Years of LED Technology | WIRED
A Short History of LED Lighting | FM Lighting & Electrical - Calgary
GE Plans World Debut of LED Bulb that Replaces 100-watt Incandescent using SynJet Technology — LED professional - LED Lighting Technology, Application Magazine
LED lamp - Wikipedia
Philips to unveil the world's first LED replacement for the 75-watt light bulb