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The Luminous Principle of LED

Date:2023-11-03Hits:964

The light of LEDs is generated by the recombination of electrons and holes


When a forward voltage is applied to both ends of the LED, and current flows from the LED anode to the cathode, the minority and majority carriers in the semiconductor recombine, releasing excess energy and causing photon emission. The semiconductor emits light of different colors from ultraviolet to infrared.

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