Philips LED's most energy-efficient A-class bulbs | Signify Company Website
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The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
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Light-emitting diode - Wikipedia
Here's the Scoop on High-Efficiency LED Lighting For Your Home - Sandy Petermann
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8W (40W Equivalent) G40 Globe LED Light Bulb - Warm White 2700K – First LED Lighting
LED Bulb - Lighting History, LED History | TCP Lighting
3M's first LED bulb uses TV tech to appeal to lighting Luddites - ExtremeTech
LED Lights - How it Works - History
LED Lights - How it Works - History
Sexiest LED lightbulb ever is first true alternative to incandescents | Grist
The World's First LED Inspired This Giant LED Lamp | Lamp, Modern lamp design, Light bulb
Nanoleaf Essentials A19 Smart 60W LED Light Bulb (3-Pack) - Apple
LED lamp - Wikipedia
Red LED S14 Bulbs with 9 LED's - Novelty Lights Inc
Monsanto MV1 - The First Successful Red LED
LED lamp - Wikipedia
8W (40W Equivalent) G25 Globe LED Light Bulb - Warm White 2700K – First LED Lighting
Cree Introduces an LED Bulb Edison Would Love | MIT Technology Review
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Behold the Revolution: LED Bulbs Are Now as Cheap as Incandescents
15W (100W Equivalent) BR40 LED Flood Light - Soft White 3000K – First LED Lighting
