Presentation 2001/11/1
Luminescent characteristic of test PDP panel using blue-emitting CaMgSi_2O_6:Eu^<2+> phosphor
Ryo Yoshimatsu, Takashi Kunimoto, Shingo Honda, Koutoku Ohmi, Shosaku Tanaka, Hiroshi Kobayashi,
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Abstract(in English) Current blue PDP phosphor BaMgAl_<10>O_<17>:Eu^<2+>(BAM)shows serious luminance degradation. Therefore, we examined CaMgSi_2O_6:Eu^<2+>(CMS:Eu^<2+>)showing a blue emission as a new phosphor for PDP applications. The comparison of deterioration in fabrication process and driving process for CMS:EU^<2+> and BAM test panel was performed. Whereas BAM shows about 50% of initial intensity in baking process, CMS:Eu^<2+> keeps initial intensity after baking at 600℃. After 300 hours driving BAM test panel shows a decrease of luminescent intensity to about 60% of initial intensity, while CMS:Eu^<2+> test panel keeps about 90% of initial intensity. We also examined to synthesize(Ca, Sr)MgSi_2O_6:Eu^<2+> to improve the luminance of CMS:Eu^<2+>. Peak wavelength shifts toward 444 nm for the sample with 50% Sr versus Ca, resulting in the decrease of luminance.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) BaMgAl_<10>O_<17>:Eu^<2+> / CaMgSi_2O_6:Eu^<2+> / process degradation / driving degradation
Paper # EID2001-46
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Committee EID
Conference Date 2001/11/1(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Luminescent characteristic of test PDP panel using blue-emitting CaMgSi_2O_6:Eu^<2+> phosphor
Sub Title (in English)
Keyword(1) BaMgAl_<10>O_<17>:Eu^<2+>
Keyword(2) CaMgSi_2O_6:Eu^<2+>
Keyword(3) process degradation
Keyword(4) driving degradation
1st Author's Name Ryo Yoshimatsu
1st Author's Affiliation Dept.of Electrical and Electronic Eng.Tottori Univ.()
2nd Author's Name Takashi Kunimoto
2nd Author's Affiliation Venture Business Laboratory, Kobe University
3rd Author's Name Shingo Honda
3rd Author's Affiliation Dept.of Electrical and Electronic Eng.Tottori Univ.
4th Author's Name Koutoku Ohmi
4th Author's Affiliation Dept.of Electrical and Electronic Eng.Tottori Univ.
5th Author's Name Shosaku Tanaka
5th Author's Affiliation Dept.of Electrical and Electronic Eng.Tottori Univ.
6th Author's Name Hiroshi Kobayashi
6th Author's Affiliation Dept.of Electrical and Electronic Eng.Tottori Univ.
Date 2001/11/1
Paper # EID2001-46
Volume (vol) vol.101
Number (no) 404
Page pp.pp.-
#Pages 6
Date of Issue