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What is LED Working Principle Explained about?

A Light Emitting Diode (LED) is a PN junction diode that converts electrical energy into light energy through the process of electroluminescence when forward biased. The fabrication involves depositing a P-type layer on an N-type substrate, with metal films providing anode and cathode connections. The working principle involves free electrons and holes recombining at the junction to emit light, represented in an energy level diagram showing electron transitions between conduction and valence bands.

Author

deepakkalimuthu2006

Language

EN