CERAMIC METAL HALIDE DISCHARGE LAMP
    1.
    发明授权
    CERAMIC METAL HALIDE DISCHARGE LAMP 有权
    陶瓷金属卤化物放电灯

    公开(公告)号:EP1759403B1

    公开(公告)日:2012-01-25

    申请号:EP05745736.8

    申请日:2005-06-09

    IPC分类号: H01J61/36

    CPC分类号: H01J61/36 H01J61/366

    摘要: The invention relates to a high-pressure discharge lamp comprising a ceramic discharge vessel which encloses a discharge space, which is provided with an ionizable filling comprising one or more metal halides, in which a first and a second electrode are arranged, and which comprises a first and a second closing construction at respective sides of the discharge space, which closing constructions are connected to the discharge vessel and comprise a respective first and second current feed-through, at least the second feed-through comprising a capillary tube having a sintered bond to the second closing construction and an electrically conductive pin located within the capillary tube, leaving a crevice between the capillary tube and the pin, said pin and capillary tube being welded together at an end portion remote from the discharge space, wherein the capillary tube has an outer diameter of at most 1 mm, the crevice is at most 10 µm wide and the pin and the capillary tube consist of a metal chosen from Mo, Re, W, Ir, their alloys, optionally also comprising V and/or Ti. The invention further relates to an automotive lamp comprising the lamp of the invention.

    VEHICLE HEADLAMP
    2.
    发明公开
    VEHICLE HEADLAMP 有权
    车头灯

    公开(公告)号:EP1726029A2

    公开(公告)日:2006-11-29

    申请号:EP05708890.8

    申请日:2005-03-01

    IPC分类号: H01J61/12

    摘要: Metal halide lamp suitable as projection lamp, for instance as a vehicle headlamp comprising a discharge vessel surrounded by an outer envelope with clearance and having a ceramic wall which encloses a discharge space filled with a filling comprising an inert gas, such as xenon (Xe), and an ionizable salt, wherein in said discharge space two electrodes are arranged whose tips have a mutual interspacing so as to define a discharge path between them, with the special feature that said ionizable salt comprises NaI, TlI, CaI2 and XI3 wherein X is selected from the group comprising rare earth metals.

    MERCURY FREE METAL HALIDE LAMP
    3.
    发明授权
    MERCURY FREE METAL HALIDE LAMP 有权
    无汞金属

    公开(公告)号:EP1550147B1

    公开(公告)日:2007-02-07

    申请号:EP03793989.9

    申请日:2003-08-18

    IPC分类号: H01J61/30 H01J61/12 H01J61/82

    摘要: A Hg-free metal halide lamp comprising a substantially cylindrical discharge vessel with a ceramic wall having an internal diameter Di, an internal length Li and a wall thickness Wt, and filled with an ionizable filling, wherein two electrodes are present having a mutual distance EA for maintaining a discharge in the discharge vessel, wherein the filling comprises an inert gas and a salt, wherein the internal length Li is smaller than 8 mm, wherein the electrode distance EA and the internal diameter Di comply with the relation EA/Di>;2, wherein the inert gas pressure PXe at room temperature is at least 5 bar, and wherein the wall thickness Wt and the internal diameter Di comply with the relation Wt/Di>0.15.

    GAS DISCHARGE LAMP
    4.
    发明公开
    GAS DISCHARGE LAMP 审中-公开
    气体放电灯

    公开(公告)号:EP1665332A2

    公开(公告)日:2006-06-07

    申请号:EP04769986.3

    申请日:2004-09-10

    IPC分类号: H01K9/00

    摘要: A discharge lamp comprising an elongated discharge vessel, preferably made of a ceramic material, surrounded by an outer envelope and having a wall which encloses a discharge space containing an inert gas and an ionizable filling, wherein at both ends in said discharge space an electrode is arranged between which a discharge arc can be maintained along a discharge path, wherein one end of the discharge vessel is mounted in a mounting base, said lamp comprising a lead-back conductor supplying current from the mounting base to the electrode at the other end of the discharge vessel, characterized in that the lead-back conductor extends through the length of the wall of the outer envelope.

    HIGH-PRESSURE SODIUM LAMP
    5.
    发明公开
    HIGH-PRESSURE SODIUM LAMP 审中-公开
    高压钠灯

    公开(公告)号:EP1738399A2

    公开(公告)日:2007-01-03

    申请号:EP05718636.3

    申请日:2005-04-05

    IPC分类号: H01J61/82

    CPC分类号: H01J61/825

    摘要: The invention is related to high pressure sodium lamp having a nominal power Pla. The lamp, which is designed to be operated at a very high frequency (VHF), has a discharge tube with a ceramic wall and an internal vessel diameter Dint, which encloses a discharge space in which a pair of electrodes at a mutual electrode distance ed and a filling of Na-amalgam with a sodium mol fraction (smf). According to the invention the discharge tube has a ratio ed/Dint of at most 7, preferably between about 5.5 and 4.0.

    METAL HALIDE LAMP
    10.
    发明公开
    METAL HALIDE LAMP 有权
    金属卤化物灯

    公开(公告)号:EP1092231A1

    公开(公告)日:2001-04-18

    申请号:EP00929438.0

    申请日:2000-04-20

    IPC分类号: H01J61/12 H01J61/84 H01J61/30

    摘要: The invention relates to a metal halide lamp which is provided with a discharge vessel having a ceramic wall and enclosing a discharge space. Two electrodes having tips at a mutual distance EA are positioned in the discharge space, which contains besides Xe also an ionizable filling with NaI and CeI3. The discharge vessel has an internal diameter Di at least over the length EA. According to the invention it holds that Di ∫ 2 mm and also that the relation EA/Di ∫ 5 is complied with.

    摘要翻译: 金属卤化物灯技术领域本发明涉及一种金属卤化物灯,其具有放电容器,该放电容器具有陶瓷壁并且封闭放电空间。 具有位于相互距离EA处的尖端的两个电极位于放电空间中,其除了Xe之外还包含具有NaI和CeI3的可电离填充物。 放电容器至少在长度EA上具有内径Di。 根据本发明,认为Di∫2mm并且还遵守EA / Di∫5的关系。