NANOPARTICLE GREEN PHOSPHOR FOR ELECTRON BEAM EXCITATION

NANOPARTICLE GREEN PHOSPHOR FOR ELECTRON BEAM EXCITATION

PROBLEM TO BE SOLVED: To provide a nanoparticle green phosphor for electron beam excitation applicable from a CRT (cathode ray tube) to an FPD (flat panel display) and having emission characteristics of a high color purity of green color with little deterioration of emission luminance. SOLUTION: The...

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Bibliographische Detailangaben
Hauptverfasser: WATAI MIWA, MURAKAMI HIROHIKO, NAGATA TOMOHIRO
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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 a nanoparticle green phosphor for electron beam excitation applicable from a CRT (cathode ray tube) to an FPD (flat panel display) and having emission characteristics of a high color purity of green color with little deterioration of emission luminance. SOLUTION: The green phosphor of nanoparticles is obtained by adding Mn as an activator to an oxide composed of ZnAl12O19and/or ZnAl2O4and further adding as an electroconductive substance a compound comprising at least one selected from the group consisting of Zn, In, Sn, Cr, Mo, Os, Re, Nb, V, W, Sm, Ir, Ru, Nd, La, and Ti in an amount of ≥1 to ≤40 wt.% based on the total weight of the nanoparticles thereto. COPYRIGHT: (C)2009,JPO&INPIT