Phosphor for a plasma display device coated with a continuous thin protective layer and method of manufacture
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United States of America Patent
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May 29, 2007
Grant Date -
Apr 4, 2002
app pub date -
Sep 14, 2001
filing date -
Sep 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Phosphor coated with wide bandgap metal oxide which can be used for a plasma display panel (PDP) has a surface that is coated with a continuous, thin film of wide bandgap metal oxide. In preparing the phosphor coated with wide bandgap metal oxide, a pH of the wide bandgap metal oxide precursor solution containing an organic solvent and water is adjusted to 0.1 10 and heated under a reflux, thereby obtaining a metal hydroxide gel. The wide bandgap metal hydroxide gel is made to contact a phosphor for a PDP, thereby obtaining the gel-coated phosphor. The gel-coated phosphor is then dried and sintered.
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