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LED (Light Emitting Diode)

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LED (Light Emitting Diode) This is a compound semiconductor and an electrically-powered light emitting diode composed of Ga (Gallium), P (Phosphorus), and As (Arsenic). When forward current is applied in a semiconductor p-n junction, the electron and positive holes combine at the light junction, emitting light of a certain frequency that matches the band’s gap energy.
led발광원리
led발광원리

led구조
led구조
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