A New Red-Emitting Phosphor, SrTiO_3:Pr^<3+>, for Low-Voltage Electron Excitation

概要

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A new red phosphor, SrTiO_3:Pr^<3+>, was developed for vacuum fluorescent displays (VFDs) and field emission displays (FEDs). It was discovered that the addition of Al is essential to achieve a high luminous efficiency of low-voltage cathodoluminescence and photoluminescence. The mechanism underlying the improvement of the luminous efficiency by the addition of Al is discussed. With the addition of 17 mol% Al, luminance of 800 cd/m^2 was obtained at the anode voltage of 50V. Powder X-ray diffraction and Auger analysis showed that the Al ions react with the Sr ions to form SrAl_<12>O_<19>.
社団法人応用物理学会の論文
1999-11-15