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    • 9. 发明授权
    • Phosphor and method for the fabrication thereof
    • 荧光体及其制造方法
    • US06280656B1
    • 2001-08-28
    • US09499800
    • 2000-02-08
    • Shawn O'RourkeMatthew StainerPeter A. Smith
    • Shawn O'RourkeMatthew StainerPeter A. Smith
    • C09K1102
    • C09K11/7784C09K11/025C09K11/7792Y10T428/2991Y10T428/2993
    • A phosphor includes about 99 dry weight % cathodoluminescent particles, which have a mean particle diameter equal to about 4 microns, and about 1 dry weight % non-cathodoluminescent inorganic particles, which have a mean particle diameter equal to about 20 microns. A method for fabricating phosphor includes the steps of providing an aqueous polyvinyl alcohol solution having about 7.5 weight % polyvinyl alcohol, adding cathodoluminescent particles to the aqueous polyvinyl alcohol solution to provide a cathodoluminescent particle solution having about 16.5 volume % cathodoluminescent particles, and adding non-cathodoluminescent inorganic particles to the cathodoluminescent particle solution to provide a phosphor paste. Non-cathodoluminescent inorganic particles function as dispersants and suspension-stabilizing agents in the phosphor paste.
    • 磷光体包括约99重量%的平均粒径等于约4微米的阴极发光颗粒和约1重量%的非阴极发光无机颗粒,其平均粒径等于约20微米。 制造荧光体包括以下步骤:提供具有约7.5重量%聚乙烯醇的聚乙烯醇水溶液,向聚乙烯醇水溶液中加入阴极发光颗粒以提供具有约16.5体积%阴极发光颗粒的阴极发光颗粒溶液,并加入非阴极发光无机颗粒 到阴极发光颗粒溶液中以提供荧光体浆料。 非阴极发光无机颗粒在荧光膏中用作分散剂和悬浮稳定剂。