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Patent Searching and Data


Title:
PHOSPHOR AND PLASMA DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2006/025270
Kind Code:
A1
Abstract:
Disclosed is a phosphor which enables to prevent deterioration of luminance over time and deterioration of discharge characteristics at the same time. Also disclosed are a method for producing such a phosphor and a plasma display panel produced by using such a phosphor. Specifically disclosed is a phosphor having Mn as the luminescence center wherein the ratio of the activator concentration in the surface layer of a phosphor particle to the activator concentration in the inner portion of the phosphor particle is not less than 0.3 but not more than 0.7.

Inventors:
HOSHINO HIDEKI (JP)
GOAN KAZUYOSHI (JP)
TSUKADA KAZUYA (JP)
FURUSAWA NAOKO (JP)
OKADA HISATAKE (JP)
Application Number:
PCT/JP2005/015509
Publication Date:
March 09, 2006
Filing Date:
August 26, 2005
Export Citation:
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Assignee:
KONICA MINOLTA MED & GRAPHIC (JP)
International Classes:
C09K11/59; H01J11/22; H01J11/34; H01J11/42
Foreign References:
JP2004091622A2004-03-25
JP2003041246A2003-02-13
JP2004018679A2004-01-22
JP2004197042A2004-07-15
JP2001236893A2001-08-31
JP2003336047A2003-11-28
JP2005183246A2005-07-07
JP2005183245A2005-07-07
JP2004323576A2004-11-18
JP2005163040A2005-06-23
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