Light-emitting diode physics - Wikipedia
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Light Emitting Diodes
Light Emitting Diode (LED): What is it & How Does it Work? | Electrical4U
Light Emitting Diode: How Does a LED Work » Electronics Notes
What is LED? - Definition, Working, Properties, Uses, Advantages
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What is Light Emitting Diode (LED)? - Definition, Working, Construction & Advantages - Circuit Globe
What is LED? - Definition, Working, Properties, Uses, Advantages
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Working Principle of LED - The Engineering Knowledge
