Report - (Light Emission Diode, LED) · LED是一種p-n接面，屬於半導體元件，材料使用III-V族元 素，如：氮化鎵(GaN)、磷化鎵(GaP)、砷化鎵(GaAs)等 發光原理是於光子在固體內的相互作用-自發放射

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