Philips Unveils World's First LED Replacement for Most Common Bulb
the history of LED lighting - energy saving lighting
Light-emitting diode - Wikipedia
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Inventing the LED Lightbulb - The Atlantic
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Buying LED Bulbs? Good. But Here Are 5 Things to Think About First - CNET
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World's first 100 watt equivalent LED replacement bulb
Philips Announces the World's First LED Replacement for the 75-Watt Bulb
LED Lights - How it Works - History
Oct. 9, 1962: First Visible LED Is Demonstrated | WIRED
The First Light Emitting Diodes - YouTube
Better Homes & Gardens LED Vintage Style Light Bulb, ST19 40 Watts Daylight Classic Filament, Medium Base, Dimmable - 2 Pk - Walmart.com
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The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
LED Lights - How it Works - History
World's first LED lights developed from rice | EurekAlert!
8W (40W Equivalent) G40 Globe LED Light Bulb - Warm White 2700K – First LED Lighting
50 Years of LED Technology | WIRED
E26 LED Light Bulbs 3W 12V Low Voltage Daylight White 6000K E27 Edison Standard Screw Base 25W Equivalent for Rv, Off Grid Solar Panel Project, Boat, Pack of 2 - - Amazon.com
Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
The World's First LED Inspired This Giant LED Lamp | Lamp, Light bulb, Modern lamp design
