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    • 4. 发明申请
    • LIGHTING APPARATUS FOR GENERATING LIGHT
    • 用于产生光的照明装置
    • US20130242273A1
    • 2013-09-19
    • US13989555
    • 2011-12-02
    • Ulrich WeichmannUwe MackensJoachim Opitz
    • Ulrich WeichmannUwe MackensJoachim Opitz
    • F21V9/08G03B21/20
    • F21V9/08G02B26/008G03B21/2006G03B21/204G03B21/2066H04N9/3114H04N9/3161
    • The invention relates to a lighting apparatus for generating light. A primary light generator generates primary light (6), which is converted by a light converting material (8) into secondary light (3), wherein the primary light is directed to a primary surface (9) of the light converting material. An enclosure (10) comprising a transparent cover (7) hermetically encloses the light converting material, wherein the transparent cover is transparent to the primary light and located on the primary surface of the light converting material. The enclosure increases the photostability of the light converting material. This allows increasing the intensity of the primary light by, for example, increasing the power of the primary light and, thus,of the secondary light, and/or by focusing the primary light onto a smaller area on the primary surface, thereby allowing decreasing the optical Étendue of the secondary light, without damaging the light converting material.
    • 本发明涉及一种用于产生光的照明装置。 初级光发生器产生由光转换材料(8)转换成二次光(3)的初级光(6),其中初级光被引导到光转换材料的主表面(9)。 包括透明盖(7)的外壳(10),其密封地包围所述光转换材料,其中所述透明盖对于所述主光是透明的并且位于所述光转换材料的主表面上。 外壳增加了光转换材料的光稳定性。 这允许通过例如增加初级光,从而增加次级光的功率和/或通过将初级光聚焦到主表面上较小的区域来增加初级光的强度,由此允许减小 二次光的光学衰减,而不损害光转换材料。
    • 7. 发明申请
    • METHOD OF DRIVING A GAS-DISCHARGE LAMP
    • 驱动气体放电灯的方法
    • US20100320938A1
    • 2010-12-23
    • US12918086
    • 2009-02-13
    • Jens Pollmann-RetschUwe MackensJohn-John Pieter Jan Vav Den Bergh
    • Jens Pollmann-RetschUwe MackensJohn-John Pieter Jan Vav Den Bergh
    • H05B41/36
    • H05B41/2928
    • The invention describes a method of driving a gas-discharge lamp (1), wherein the lamp (1) is driven at any one time using one of a number of driving schemes and wherein the operating voltage of the lamp (1) is monitored to obtain a number of operation data values (D) during operation of the lamp (1), a target voltage (VT) is determined on the basis of at least one of the number of operation data values (D), and a driving scheme switch-over occurs according to a relationship between the target voltage (VT) and the operating voltage of the lamp (1). The invention further describes a driving unit (10) for driving a gas-discharge lamp (1) comprising a voltage monitoring unit (12) for monitoring the operating voltage of the lamp (1) to obtain a number of operation data values during operation of the lamp (1); a target voltage determination unit (13) for determining a target voltage (VT) on the basis of at least one of the number of operation data values, and a driving scheme switching unit (14) for switching from a first driving scheme to a second driving scheme according to a relationship between the target voltage (VT) and the operating voltage of the lamp (1).
    • 本发明描述了一种驱动气体放电灯(1)的方法,其中使用多个驱动方案中的一种驱动任何时间来驱动所述灯(1),并且其中监视所述灯(1)的工作电压 在灯(1)的操作期间获得多个操作数据值(D),基于操作数据值(D)的数量中的至少一个和驱动方案开关来确定目标电压(VT) 根据目标电压(VT)和灯(1)的工作电压之间的关系发生。 本发明还描述了一种用于驱动气体放电灯(1)的驱动单元(10),其包括用于监视灯(1)的工作电压的电压监视单元(12),以在操作期间获得多个操作数据值 灯(1); 目标电压确定单元(13),用于基于所述操作数据值的数量中的至少一个确定目标电压(VT);以及驱动方案切换单元(14),用于从第一驱动方案切换到第二驱动方案 根据目标电压(VT)和灯(1)的工作电压之间的关系,驱动方案。
    • 8. 发明授权
    • Method and driving unit for driving a gas-discharge lamp
    • 用于驱动气体放电灯的方法和驱动单元
    • US08217593B2
    • 2012-07-10
    • US12667394
    • 2008-07-08
    • Jens Pollmann-RetschJohn-john Pieter Jan Van Den BerghUwe MackensPavel PekarskiMark CarpaijCarsten Deppe
    • Jens Pollmann-RetschJohn-john Pieter Jan Van Den BerghUwe MackensPavel PekarskiMark CarpaijCarsten Deppe
    • H05B37/02
    • H05B41/2928Y02B20/208
    • In this method an arc-length control value, indicating the current length of a discharge arc of the gas-discharge lamp (1), is monitored and the lamp (1) is driven in a first operation mode (OMP) with a first current wave-shape when the arc-length control value indicates that the arc-length is higher than a switching threshold, which first current wave-shape is selected to result in a tip (31) growing on an electrode (30) of the lamp (1), and the lamp (1) is driven in a second operation mode (OMn) with a second current wave-shape when the arc-length control value indicates that the arc-length is lower than a switching threshold, which second current wave-shape is selected such that the tip (31) on the electrode (30) is at least partly melted back. In this method an operating frequency of the lamp is switched from a first frequency value (fi) to a second frequency value (f2), which second frequency • (f 2) value is higher than the first frequency value (fi)′, if a first time criterion pertaining to a duration of driving of the lamp (1) in the second operation mode (OMn) is fulfilled and the operating frequency is switched from the second frequency value (f2) to the first frequency value (fi), if a second time criterion pertaining to a duration of driving of the lamp (1) in the first operation mode (OMP) is fulfilled.
    • 在该方法中,监视指示气体放电灯(1)的放电弧的当前长度的电弧长度控制值,并且以第一电流(OMP)驱动灯(1) 当电弧长度控制值指示电弧长度高于切换阈值时,选择第一电流波形以导致尖端(31)在灯的电极(30)上生长(波形) 1),并且当电弧长度控制值表示电弧长度低于开关阈值时,以第二电流波形的第二操作模式(OMn)驱动灯(1),该第二电流波 形状,使得电极(30)上的尖端(31)至少部分地被熔化。 在这种方法中,灯的工作频率从第一频率值(fi)切换到第二频率值(f2),第二频率(f 2)值高于第一频率值(fi) 满足关于在第二操作模式(OMn)中的灯(1)的驱动持续时间的第一时间标准,并且将操作频率从第二频率值(f2)切换到第一频率值(fi),如果 满足与第一操作模式(OMP)中的灯(1)的驱动持续时间有关的第二时间标准。