ED
Blue Light Emitting Diode (Date of photograph unknown)
Blue light emitting diode. Light emitting diodes (LEDs) are made of two thin film layers of semiconducting material impregnated with impurities that create opposite electrical properties. Passing an electric current through the LED makes it produce light. The colour of the light depends upon the semiconducting material used.
Details
ID
10634662
Collection
License type
Editorial
Photographer
Creation date
23-11-2010
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