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    • 96. 发明授权
    • Method for improving the performance of low pressure fluorescent
discharge lamp which utilizes zinc silicate as a phosphor blend
constituent
    • 用于改善利用硅酸锌作为荧光体共混物成分的低压荧光放电灯的性能的方法
    • US4208448A
    • 1980-06-17
    • US955870
    • 1978-10-27
    • Elmer S. Panaccione
    • Elmer S. Panaccione
    • H01J9/22C09K11/59H01J61/44H01J61/02
    • C09K11/59H01J61/44
    • A method of improving the long term operating appearance of a low pressure fluorescent discharge lamp having an elongated tubular vitreous envelope and incorporating a phosphor layer carried as a coating on the interior surface thereof. The phosphor layer essentially consists of a mixed homogeneous three-component blend. The phosphor blend has a blue-violet-emitting phosphor component, a red-orange-emitting phosphor component and a green-emitting phosphor component. The green-emitting phosphor component is zinc silicate activated with manganese. The method entails prior to mixing the phosphors together, washing the zinc silicate phosphor in an aqueous organic acid solution. The organic acid solution consists of at least one of acetic, succinic and terephthalic. The acid washed zinc silicate phosphor is separated from the washing solution and dried. It is then suspended as a part of an aqueous envelope coating paint and applied to the envelope interior surface in the usual manner.
    • 一种改善具有细长管状玻璃体外壳并具有在其内表面上作为涂层承载的荧光体层的低压荧光放电灯的长期工作外观的方法。 磷光体层基本上由混合均匀的三组分共混物组成。 荧光体掺合物具有蓝紫色发光荧光体成分,红橙色发光荧光体成分和绿色荧光体成分。 绿色发光荧光体组分是用锰活化的硅酸锌。 在将荧光体混合在一起之前,该方法需要在有机酸水溶液中洗涤硅酸锌荧光体。 有机酸溶液由乙酸,琥珀酸和对苯二甲酸中的至少一种组成。 将酸洗的硅酸锌荧光粉与洗涤液分离并干燥。 然后将其作为水性包衣涂料的一部分悬浮,并以通常的方式施加到信封内表面。