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    FLUORESCENT LAMP WITH A SECOND BALLAST FOR DIMMED LIGHTING MODE
    3.
    发明申请
    FLUORESCENT LAMP WITH A SECOND BALLAST FOR DIMMED LIGHTING MODE 审中-公开

    公开(公告)号：WO2004068532A3

    公开(公告)日：2004-08-12

    申请号：PCT/IB2004/050025

    申请日：2004-01-14

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  ROOZEKRANS, Christianus, J.

    Inventor： ROOZEKRANS, Christianus, J.

    IPC: H01J61/067

    Abstract: A fluorescent lamp comprising - a discharge vessel (10) with two ends defining a discharge path extending between - a pair (16) of discharge electrodes (20) provided at both ends of said discharge vessel for discharging electrons to and from each other; and - a ballast circuit for operating the lamp in a normal lighting mode and in a dimmed lighting mode, with the special feature that the ballast circuit comprises - a first ballast for supplying a normal operating current to said pair of discharge electrodes in the normal lighting mode; and - a second ballast for supplying a reduced operating current to an auxiliary discharge electrode (24) connected to a discharge electrode (20) of said pair of discharge electrodes in the dimmed lighting mode.

    METHOD AND DEVICE FOR DRIVING A DISCHARGE LAMP
    5.
    发明申请
    METHOD AND DEVICE FOR DRIVING A DISCHARGE LAMP 审中-公开
    用于驱动放电灯的方法和装置

    公开(公告)号：WO2007099464A1

    公开(公告)日：2007-09-07

    申请号：PCT/IB2007/050351

    申请日：2007-02-02

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  ROOZEKRANS, Christianus, J. ,  GOUD, Leendert, H.

    Inventor： ROOZEKRANS, Christianus, J. ,  GOUD, Leendert, H.

    IPC: H05B41/295

    CPC classification number: H05B41/295

    Abstract: A method for driving a discharge lamp (1) having lamp electrodes (2, 3), at least one of said electrodes (2) being implemented as a filament having two electrode terminals (2a, 2b), comprises the following steps: during a first time interval (t1-t2), generating a discharge lamp current (I L) in said discharge lamp (1); during a second time interval (t2-t3), interrupting the discharge lamp current (I L); during both intervals (t1-t3), passing an electrode heating current (I C) through said one electrode (2); wherein, during said first time interval (t1-t2), the discharge lamp current magnitude (I L1) is less than 90% of the nominal current magnitude (I NOM); and wherein the electrode heating current (I C) is set such that the hot resistance R H of said one electrode (2) is within 4.3 to 4.7 times the cold resistance R C; wherein during the second time interval, the electrode heating current is larger than during the first time interval.

    Abstract translation: 一种用于驱动具有灯电极（2,3）的放电灯（1）的方法，所述电极（2）中的至少一个被实施为具有两个电极端子（2a，2b）的灯丝，包括以下步骤： 第一时间间隔（t1-t2），在所述放电灯（1）中产生放电灯电流（IL）; 在第二时间间隔（t2-t3）期间，中断放电灯电流（I L）; 在两个间隔（t1-t3）期间，使电极加热电流（I C）通过所述一个电极（2）; 其特征在于，在所述第一时间间隔（t1-t2）期间，放电灯电流值（I L1）小于标称电流值（I NOM）的90％。 并且其中所述电极加热电流（Ic）被设定为使得所述一个电极（2）的热电阻R H在耐寒性R C的4.3至4.7倍之内; 其中在所述第二时间间隔期间，所述电极加热电流大于所述第一时间间隔期间。

    DISCHARGE LAMP, IN PARTICULAR A FLUORESCENT LAMP, ILLUMINATION SYSTEM, AND DISPLAY
    6.
    发明申请
    DISCHARGE LAMP, IN PARTICULAR A FLUORESCENT LAMP, ILLUMINATION SYSTEM, AND DISPLAY 审中-公开
    放电灯，特别是荧光灯，照明系统和显示器

    公开(公告)号：WO2006117733A2

    公开(公告)日：2006-11-09

    申请号：PCT/IB2006051327

    申请日：2006-04-28

    Applicant: KONINKL PHILIPS ELECTRONICS NV ,  HENDRIKS RENE J ,  ROOZEKRANS CHRISTIANUS J ,  MEEUSEN JORGEN

    Inventor： HENDRIKS RENE J ,  ROOZEKRANS CHRISTIANUS J ,  MEEUSEN JORGEN

    CPC classification number: H01J61/35

    Abstract: The invention relates to a discharge lamp, in particular a fluorescent lamp, comprising: an at least partially light-transmissive discharge vessel filled with an ionizable substance, multiple electrodes connected to said vessel, between which electrodes a discharge extends during lamp operation. The invention also relates to an illumination system for illumination display devices, comprising a plurality of such discharge lamps. The invention further relates to a display device comprising such an illumination system.

    Abstract translation: 本发明涉及一种放电灯，特别是一种荧光灯，包括：填充有可电离物质的至少部分透光的放电容器，连接到所述容器的多个电极，电极在灯操作期间延伸。 本发明还涉及一种用于照明显示装置的照明系统，包括多个这种放电灯。 本发明还涉及包括这种照明系统的显示装置。

    FLUORESCENT LAMP
    7.
    发明申请
    FLUORESCENT LAMP 审中-公开
    带有第二块镇流器的荧光灯，用于调光照明模式

    公开(公告)号：WO2004068532A2

    公开(公告)日：2004-08-12

    申请号：PCT/IB2004/050025

    申请日：2004-01-14

    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  ROOZEKRANS, Christianus, J.

    Inventor： ROOZEKRANS, Christianus, J.

    IPC: H01J61/067

    CPC classification number: H05B41/42 ,  H01J61/56

    Abstract: A fluorescent lamp comprising a discharge vessel with two ends defining a discharge path extending between a pair of discharge electrodes provided at both ends of said discharge vessel for discharging electrons to and from each other; and a ballast circuit for operating the lamp in a normal lighting mode and in a dimmed lighting mode, with the special feature that the ballast circuit comprises a first ballast for supplying a normal operating current to said pair of discharge electrodes in the normal lighting mode; and a second ballast for supplying a reduced operating current to an auxiliary discharge electrode connected to a discharge electrode of said pair of discharge electrodes in the dimmed lighting mode.

    Abstract translation: 1，一种荧光灯，包括：一个放电管（10），其两端限定一条放电路径，该放电路径在设置在所述放电管两端的一对放电电极（20）之间，用于放电和放电; 以及镇流器电路，用于在正常照明模式和调光照明模式下操作灯，其特征在于镇流器电路包括： - 第一镇流器，用于在正常照明中向所述一对放电电极提供正常工作电流 模式; 以及 - 第二镇流器，用于在调光照明模式下向连接到所述一对放电电极的放电电极（20）的辅助放电电极（24）提供减小的工作电流。

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