LED lamp - Wikipedia
Nick Holonyak Jr., Pioneer of LED Lighting, Is Dead at 93 - The New York Times
Who invented the light bulb? | Bricsys Blog
Who Invented the Lightbulb? - Simple Lighting Blog
Who invented LED bulbs? - Quora
Build a Time Machine with Filament LED Bulbs | At Home with Tech
Comparison of Energy-Efficient Bulbs | DelMarFans.com | DelMarFans.com
Types of Light Bulbs: A Brief History and Buying Guide
How an LED Light Bulb Works - Ideas & Advice | Lamps Plus
How Lasers Inspired the Inventor of the LED | WIRED
LED filament - Wikipedia
Why use led light bulbs for home?
LED Lighting: Benefits And Best Practices | Meteor Electrical | Meteor Electical
The History of Incandescent Light Bulbs – BulbAmerica
LED Lights - How it Works - History
Step-by-Step Guide to Buying Light Bulbs
About the invention of the light bulb - and who it really was SEGULA GmbH
Why LED Bulbs Don't Always Live Up to the Hype About Their Life Spans - WSJ
Edison Globe 6W Retro LED Light Bulb
LED Bulb - Lighting History, LED History | TCP Lighting
What is the Difference Between LED and Incandescent Lighting?
A Short History of LED Lighting | FM Lighting & Electrical - Calgary
The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
History of LED Lighting | Shine Retrofits Lighting Blog
Watts The Deal? Demystifying LEDs, CFLs, Halogens And More : NPR
