Presentation 2000/1/27
Luminance Degradation of Blue Phosphor for PDP
Mizumoto USHIROZAWA,
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Abstract(in English) In order to improve the luminance and efficiency of PDP, luminance degradation of blue-emitting phosphor BaMaAl_<10>O_<17>:Eu caused by panel making process was investigated with samples prepared by different processes. The least changed sample maintained 83% luminance after the process. Excitation spectra indicate that the degree of the degradation at 147nm excitation was different from that at 254nm. Chemical analyses indicated that the degradation was caused by the change of surface divalent Eu activator to trivalent. Carbon contamination, which was expected to be a cause of the degradation, was not observed on any samples.
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Keyword(in English) PDP / phosphor / BaMgAl10O17:Eu / BAM
Paper # EID99-96
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Committee EID
Conference Date 2000/1/27(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Luminance Degradation of Blue Phosphor for PDP
Sub Title (in English)
Keyword(1) PDP
Keyword(2) phosphor
Keyword(3) BaMgAl10O17:Eu
Keyword(4) BAM
1st Author's Name Mizumoto USHIROZAWA
1st Author's Affiliation NHK Science and Technical Research Laboratories, Display and Optical Devices()
Date 2000/1/27
Paper # EID99-96
Volume (vol) vol.99
Number (no) 597
Page pp.pp.-
#Pages 6
Date of Issue