Light-emitting diode - Wikipedia
Nick Holonyak Jr., Pioneer of LED Lighting, Is Dead at 93 - The New York Times
A Short History of LED Lighting | FM Lighting & Electrical - Calgary
LED Lights - How it Works - History
Blue light-emitting diodes earn their inventors a Nobel Prize | GreenBiz
The L.E.D. Quandary: Why There's No Such Thing as “Built to Last” | The New Yorker
The Evolution of LED Strip Lights - Birddog Lighting
The history of LEDs in brief - LedStore
.jpg "Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?")
Nobel Prize in Physics 2014: Why Were Blue LEDs so Hard to Make?
A Short History of LED Lights – Evan Designs
Bright Silicon LED Brings Light And Chips Closer - IEEE Spectrum
LED Bulb - Lighting History, LED History | TCP Lighting
History of LED - Development of Light-Emitting Diodes
History of LED - Development of Light-Emitting Diodes
What came before LED?
LED Bulb - Lighting History, LED History | TCP Lighting
Sources of Visible Light - Introduction to Light Emitting Diodes | Olympus LS
History of LED Lighting | Shine Retrofits Lighting Blog
the history of LED lighting - energy saving lighting
Remember the Light Bulb? LEDs are Sending the Bulb's Classic Shape the Way of the LP | GE News
Light-emitting diode - Wikipedia
Light-emitting diode - Wikipedia
The history of the LED
Compound Interest: A Basic Guide to How LED Lights Work
Lighting Report: LEDs Are Different...and Better
Inventing the LED Lightbulb - The Atlantic
