GREEN FLUORESCENT SUBSTANCE AND CATHODE RAY TUBE USING SAME

PURPOSE:To obtain the subject fluorescent substance having resistance to deterioration of luminous characteristics and suitable for a fluorescent film of a cathode ray tube such as a color picture tube by using zinc sulfide containing a specified amount of lanthanum as the matrix and unifying crysta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAWAMATA TAKAMITSU, SUGANO SATOSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To obtain the subject fluorescent substance having resistance to deterioration of luminous characteristics and suitable for a fluorescent film of a cathode ray tube such as a color picture tube by using zinc sulfide containing a specified amount of lanthanum as the matrix and unifying crystal growth- controlled crystalline particles of the fluorescent substance. CONSTITUTION:A green fluorescent substance such as a copper (gold)- and aluminous-activated zinc (cadmium) sulfide fluorescent substance containing