LED英文原理.pdf
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LED英文原理.pdf

LED英文原理.pdf

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LED基本原理CharacterizationofSemiconductorMaterialsSemiconductorCategoriesLEDCategoriesbyApplicationsPlanetaryModelofAtomsPlanetaryModelofAtomsWhenSemiconductorAtomsMeetEachOtherWhenAtomsComeClosetoEachOthersEnergyBandsinSemiconductorsElectronsandHolesinSemiconductorsDopingofN-TypeSiDopingofP-TypeSiHoleMovementIII-VCompoundSemiconductor-GaAsIII-VCompoundSemiconductor-GaNDopingofCompoundSemiconductorDopingofCompoundSemiconductorN-TypeandP-TypeBandStructuresBandGapRepresentationDopingWhenElectronsMeetHolesRecombinationmechanisms:Radiativeandnon-radiativerecombinationRadiativeRecombinationoftheLED參考資料:http://ece-classweb.ucsd.edu/BandgapandWavelengthFrom:LumiLEDsLEDsMaterial,WavelengthsandIntensityR/G/BEmissionSpectrumHighBrightnessMaterialsSemiconductorBandgapsBandgapDeterminesLightColor