What Is A Light-Emitting Diode? A light-emitting diode (LED) is a semiconductor device that emits light when an electric current flows through it. LEDs function by converting electrical current into ...
Interesting Engineering on MSN
World’s tiniest light diodes shrink 100 times smaller than a human cell width
OLEDs 100 times smaller than a human cell that can be used for ultra-sharp screens and microscopes, and enable phased-array optics to steer and focus light. Led by Chih-Jen Shih, PhD, an associate ...
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