Luminescent material for mercury discharge lamp including phosphor and a
continuous protective layer
    16.
    发明授权
    Luminescent material for mercury discharge lamp including phosphor and a continuous protective layer 失效
    用于汞放电灯的发光材料包括磷光体和连续保护层

    公开(公告)号:US5604396A

    公开(公告)日:1997-02-18

    申请号:US282454

    申请日:1994-07-29

    CPC classification number: C09K11/025 H01J61/42 H01J61/46

    Abstract: A luminescent material for a mercury discharge lamp comprises a phosphor material including phosphor particles for emitting a luminous flux upon excitation by ultraviolet radiation at 254 nm and a protective layer continuously formed on the phosphor particle with at least one metal oxide selected from the group consisting of MgO, Y.sub.2 O.sub.3, La.sub.2 O.sub.3, Sm.sub.2 O.sub.3, Gd.sub.2 O.sub.3, Dy.sub.2 O.sub.3, Ho.sub.2 O.sub.3, Er.sub.2 O.sub.3, Yb.sub.2 O.sub.3, Lu.sub.2 O.sub.3, CaO, ZrO.sub.2, SrO, BaO, .alpha.-Al.sub.2 O.sub.3 and BeO. A mercury discharge lamp has a luminescent layer coated with the luminescent material on the wall of the light transmissive bulb thereof.

    Abstract translation: 用于汞放电灯的发光材料包括荧光体材料,其包括用于在254nm的紫外线辐射激发时发射光束的荧光体颗粒和在荧光体颗粒上连续形成的保护层,其中至少一种金属氧化物选自 MgO,Y2O3,La2O3,Sm2O3,Gd2O3,Dy2O3,Ho2O3,Er2O3,Yb2O3,Lu2O3,CaO,ZrO2,SrO,BaO,α-Al2O3和BeO。 汞放电灯在其透光灯泡的壁上具有涂覆有发光材料的发光层。

    Fluorescent lamp with phosphor having coated phosphor particles
    18.
    发明授权
    Fluorescent lamp with phosphor having coated phosphor particles 失效
    具有磷光体的荧光灯具有涂覆的荧光体颗粒

    公开(公告)号:US5289081A

    公开(公告)日:1994-02-22

    申请号:US798727

    申请日:1991-11-27

    CPC classification number: H01J61/46 C09K11/025 H01J61/44

    Abstract: A fluorescent lamp characterized in that the charging tendency of a phosphor used is positioned more negative side than that of metal oxides each having a metal ion electronegativity X.sub.i of 7.0 but more positive side than that of metal oxides each having a metal ion electronegativity X.sub.i of 11.8, that particles of the phosphor are charged positive and smaller than 3.0 .mu.C per gram when they are in contact with soda lime glass beads each having a particle size of 200-500 .mu.m, or that they are charged negative and larger than -0.5 .mu.C per gram when they are in contact with reduced iron powder having a particle size of 44-74 .mu.m.

    Abstract translation: 一种荧光灯,其特征在于,使用的荧光体的充电趋势比金属离子电负载率Xi为7.0但比金属离子电负载率为11.8以上的金属氧化物的正极侧更具负极侧 当荧光体的颗粒与粒径为200-500(μm)的钠钙玻璃珠接触时,荧光体的颗粒被充电并且小于3.0(my)C /克,或者它们被负电和 当它们与粒度为44-74(my)m的还原铁粉接触时,其克数大于-0.5(my)C。

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