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    • 10. 发明申请
    • FLUORESCENT LAMP UTILIZING ZINC SILICATE PHOSPHOR WITH IMPROVED LUMEN MAINTENANCE
    • 荧光灯使用锌酸钠磷酸盐,具有改善的保养性
    • US20130134861A1
    • 2013-05-30
    • US13305839
    • 2011-11-29
    • Jon Bennett JansmaJianmin HeFangming DuWilliam Erwin Cohen
    • Jon Bennett JansmaJianmin HeFangming DuWilliam Erwin Cohen
    • H01J61/44H01J9/02H01J9/22
    • C09K11/02C09K11/08H01J61/46
    • Disclosed herein is a mercury vapor discharge lamp and methods for making same, where the lamp comprises a phosphor coating layer disposed on at least a portion of the inner surface of the lamp envelope. The phosphor coating layer comprises a phosphor composition comprising a colloidal alumina, particles comprising at least one rare earth compound, and phosphor particles, and the particles comprising at least one rare earth compound are present in the phosphor composition in an amount from about 0.5 percent to about 5 percent of the weight of the phosphor particles. The presence of colloidal alumina, the rare earth compound, and these selected phosphors may contribute to an increase at least one of lumen output or lumen maintenance for the lamp, as compared with the same mercury vapor discharge lamp comprising the same phosphor composition without colloidal alumina and without the particles comprising at least one rare earth compound.
    • 本文公开了一种汞蒸气放电灯及其制造方法,其中灯包括设置在灯壳内表面的至少一部分上的荧光体涂层。 磷光体涂层包括含有胶体氧化铝,包含至少一种稀土化合物的颗粒和磷光体颗粒的磷光体组合物,并且包含至少一种稀土化合物的颗粒以约0.5%至 约5%的荧光体颗粒重量。 与含有不含胶体氧化铝的相同荧光粉组合物相同的汞蒸气放电灯相比,胶体氧化铝,稀土化合物和这些选择的磷光体的存在可能有助于增加灯的管腔输出或流明维持率中的至少一种 并且没有包含至少一种稀土化合物的颗粒。