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    • 4. 发明授权
    • Fluorescent discharge lamp
    • 荧光放电灯
    • US4559470A
    • 1985-12-17
    • US444392
    • 1982-11-17
    • Katsuo MurakamiHitoshi YamazakiNorihiko TanakaHiroshi Ito
    • Katsuo MurakamiHitoshi YamazakiNorihiko TanakaHiroshi Ito
    • H01J61/12H01J61/48
    • H01J61/48
    • A fluorescent discharge lamp of improved light output having a plurality of phosphor layers stacked on a substrate of a glass tube so that the concentration of activator for the phosphor layer located near the glass substrate is less than that for the phosphor layer located at a position remote from the glass substrate, thereby to form phosphor layer having a low reflection factor to an ultraviolet ray on the electric discharge side, and a phosphor layer of enhanced quantum efficiency and high reflection factor to the ultraviolet ray on the side of the glass substrate. The ultraviolet ray generated with an electric discharge is caused to be absorbed as much as possible by the phosphor layers thereby to improve the light output. The lamp is used in, for example the field of illumination.
    • PCT No.PCT / JP82 / 00134 Sec。 371日期:1982年11月17日 102(e)1982年11月17日PCT PCT卷号1982年4月21日PCT公布。 出版物WO82 / 03726 日期:1982年10月28日。一种改进的光输出的荧光放电灯,其具有层叠在玻璃管的基板上的多个荧光体层,使得位于玻璃基板附近的荧光体层的活化剂的浓度小于 荧光体层位于远离玻璃基板的位置,从而形成具有低的放射侧的紫外线的反射系数的荧光体层和对紫外线的增强的量子效率和高反射率的荧光体层 一侧的玻璃基板。 通过荧光体层尽可能地吸收由放电产生的紫外线,从而提高光输出。 该灯用于例如照明领域。