16.4: Luminance Degradation of Blue Phosphor BaMgAl10O17: Eu for PDP

Luminance degradation of blue‐emitting phosphor BaMgAl10O17: Eu caused by the PDP making process and VUV irradiation was studied. The degradation by panel making process was investigated with samples prepared by several panel makers. The least degraded sample maintained 83% luminance after the proce...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2000-05, Vol.31 (1), p.224-226
1. Verfasser: Ushirozawa, Mizumoto
Format: Artikel
Sprache:eng
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Zusammenfassung:Luminance degradation of blue‐emitting phosphor BaMgAl10O17: Eu caused by the PDP making process and VUV irradiation was studied. The degradation by panel making process was investigated with samples prepared by several panel makers. The least degraded sample maintained 83% luminance after the process. The degradation by VUV was compared for the phosphor degraded by the process and initial phosphor. The luminance of the degraded one by process degraded lesser than non‐processed one. Chemical analysis indicated that the degradation was caused by the change in valence of europium in phosphor surface.
ISSN:0097-966X
2168-0159
DOI:10.1889/1.1832923