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Luminescent Properties of Four-Band White Light Emitting Diodes
Luminescent Properties of Four-Band White Light Emitting Diodes
Journal of the Korean Chemical Society. 2003. Aug, 47(4): 370-375
  • Published : August 20, 2003
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Huh, Young-Duk
Lim, Su-Mi

Abstract
$BaMg_2Al_16O_27:Eu,\SrGa_2S_4:Eu$, and ZnCdS:Ag,Cl phosphors were chosen to produce blue, green, and red emissions, respectively, under excitation from a violet light emitting diode (LED). A four-band white LED was obtained by a combination of nonabsorbed violet emission from a violet LED and blue, green, and red emissions from $BaMg_2Al_16O_27:Eu,\SrGa_2S_4:Eu$, and ZnCdS:Ag,Cl phosphors. The luminescent properties of the four-band white LED were also discussed.
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