BLUE PIGMENT-CONTAINING PHOSPHOR

A fluorescent material comprises forming an organic silicon cpd. coating on the surface of blue pigment. The pigment is an ultramarine or a mixture of ultramarine and cobalt aluminate. The silicon cpd. coating prevents oxidn. and discolouration of the ultramarine. The material is useful for colour T...

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Bibliographische Detailangaben
Hauptverfasser:	ASATA MASAO, NAKKIA YOSIYUKKI, INOUE KIYOSI
Format:	Patent
Sprache:	eng ; kor
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 PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A fluorescent material comprises forming an organic silicon cpd. coating on the surface of blue pigment. The pigment is an ultramarine or a mixture of ultramarine and cobalt aluminate. The silicon cpd. coating prevents oxidn. and discolouration of the ultramarine. The material is useful for colour TV Braun tubes with an improved contrast.