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PROBLEM TO BE SOLVED: To minimize a nonselective potential VSC within the range causing no mis-address, while using a zinc silicate phosphor by laminating a film capable of changing the polarity of a phosphor layer to positive on the phosphor layer made of a zinc silicate green luminant having the e...

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Bibliographic Details
Main Author KURAI TERUO
Format Patent
LanguageEnglish
Published 30.03.1999
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To minimize a nonselective potential VSC within the range causing no mis-address, while using a zinc silicate phosphor by laminating a film capable of changing the polarity of a phosphor layer to positive on the phosphor layer made of a zinc silicate green luminant having the electrification of a negative polarity. SOLUTION: A zinc silicate phosphor having the electrification of a minus polarity is used, and a film made of a material capable of changing the polarity of the phosphor to plus is laminated on the surface of the phosphor. Zn2 SiO4 : Mn, Zn2 SiO4 : As, Zn2 GeO4 : Mn, Zn2 GaO4 : Mn can be used for the zinc silicate phosphor. Al2 O3 , MgO, BaO, ZnO can be used for the film capable of changing the polarity to positive. Deposition or baking can be used for the laminating method, so that the film is laminated on the phosphor layer at a ratio of 0.1-0.5 wt.% to the phosphor.
Bibliography:Application Number: JP19970248859