UPCONVERSION PHOSPHOR

UPCONVERSION PHOSPHOR

PROBLEM TO BE SOLVED: To provide an upconversion phosphor which is a ceramic having a practical luminance particularly which is a cerium oxide-based ceramic.SOLUTION: In the upconversion phosphor which is a ceramic, cerium oxide (CeO) as a base material is doped with a silicon atom (Si) and at least...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOMITA TSUNEYUKI, NARUSE NORIYUKI
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an upconversion phosphor which is a ceramic having a practical luminance particularly which is a cerium oxide-based ceramic.SOLUTION: In the upconversion phosphor which is a ceramic, cerium oxide (CeO) as a base material is doped with a silicon atom (Si) and at least one rare earth atoms, wherein 0.1 to 50 atom% of the silicon atom (Si) is contained in 100 atom% of the total number of the silicon atom (Si), the cerium atom (Ce) and the whole rare earth atoms.