Take a tour through the world of the light-emitting diode and learn - who invented it, how to use it, and how to make your own. more Make presents: The Resis...
Light Emitting Diode (LED)
LEDs and OLEDs - How it Works, Inventors
MAKE presents: The LED
How LEDs work
Organic Light Emitting Diodes
Exploring LEDs (Light Emitting Diodes)
The First Light Emitting Diodes
Light Emitting Diodes
Preparation Of An Organic Light Emitting Diode
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