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    • 4. 发明授权
    • Describing two LED colors as a single, lumped LED color
    • 将两种LED颜色描述为单个集中LED颜色
    • US08410723B2
    • 2013-04-02
    • US11914979
    • 2006-05-11
    • Peter Hubertus Franciscus DeurenbergJohannes Petrus Maria AnsemsChristoph Gerard August Hoelen
    • Peter Hubertus Franciscus DeurenbergJohannes Petrus Maria AnsemsChristoph Gerard August Hoelen
    • H05B37/00
    • H05B33/086H05B33/0872
    • A light emitting diode (LED) lighting system for producing white light is disclosed. The system comprises sets of LEDs arranged to emit light with different wavelength ranges and associated with different sets of characteristics, and a driving circuit arranged to drive the LEDs. The driving circuit comprises an input for desired light intensity, color rendering index, and color temperature, an input for signals for LED temperature, a model for determining driving currents for said sets of LEDs from said parameters, signals, and characteristics for each of said sets of LEDs; and a current driver for the LEDs. At least one of the sets of LEDs comprises a first subset of LEDs with a first wavelength sub-range and a first set of characteristics, and a second subset of LEDs with a second wavelength sub-range and a second set of characteristics. A lumped wavelength range of the set of LEDs is a range of said first and second wavelength sub-ranges, and the set of characteristics of the set of LEDs is a function of said first and second sets of characteristics. A method for controlling the sets of LEDs is also disclosed.
    • 公开了一种用于产生白光的发光二极管(LED)照明系统。 该系统包括布置成发射具有不同波长范围并且与不同特性集合相关的光的LED组,以及驱动LED驱动LED。 驱动电路包括用于期望的光强度,显色指数和色温的输入,用于LED温度的信号的输入,用于根据所述参数,信号和每个所述的LED的特性确定所述LED组的驱动电流的模型 LED组; 和用于LED的电流驱动器。 所述LED组中的至少一个包括具有第一波长子范围和第一组特性的LED的第一子集,以及具有第二波长子范围和第二组特征的LED的第二子集。 所述一组LED的集总波长范围是所述第一和第二波长子范围的范围,并且所述一组LED的特性集合是所述第一和第二组特性的函数。 还公开了一种用于控制LED组的方法。
    • 6. 发明申请
    • ILLUMINATION SYSTEM
    • 照明系统
    • US20090262536A1
    • 2009-10-22
    • US11721096
    • 2005-12-02
    • Christoph Gerard August HoelenJohannes Petus Maria AnsemsStein Kuiper
    • Christoph Gerard August HoelenJohannes Petus Maria AnsemsStein Kuiper
    • F21S6/00
    • G02B26/005F21V5/04F21V7/0091F21V14/003F21Y2105/10F21Y2113/13F21Y2115/10H01L25/0753H01L33/58H01L33/60H01L2924/0002H01L2924/00
    • An illumination system has a plurality of light emitters (R5G5B), a first light-collimator (1) for collimating light emitted by the light emitters, and at least a second light-collimator (2) for collimating light emitted by the light emitters. The first light-collimator is arranged around a longitudinal axis (25) of the illumination system, and second light-collimator is being arranged around the first light-collimator along the longitudinal axis. Light propagation in the first light-collimator on total internal reflection. Light propagation in the second light-collimator is based on total internal reflection or on reflection at an outer surface of the second light-collimator facing away from the longitudinal axis. The cavity (3) is provided between the first and the second light-collimator. The cavity is provided with a switchable element based on electrowetting, wherein the switchable optical element is switchable in a mode of operation reducing the effect of the second light-collimator.
    • 照明系统具有多个发光体(R5G5B),用于准直由发光体发射的光的第一光准直仪(1)和用于准直由发光体发出的光的至少第二光准直仪(2)。 第一光准直器围绕照明系统的纵向轴线(25)布置,并且第二光准直器沿着纵向轴线布置在第一光准直器周围。 第一个光准直器中的光传播对全内反射。 在第二光准直仪中的光传播基于全内反射或者在第二光准直仪的远离纵轴的外表面上的反射。 空腔(3)设置在第一和第二光准直器之间。 空腔设置有基于电润湿的可切换元件,其中可切换光学元件可以以降低第二光准直器的效果的操作模式切换。
    • 9. 发明申请
    • Illuminat System
    • 照明系统
    • US20080310151A1
    • 2008-12-18
    • US11570907
    • 2005-06-23
    • Christoph Gerard August HoelenJohannes Petrus Maria AnsemsDenis Joseph Carel Van Oers
    • Christoph Gerard August HoelenJohannes Petrus Maria AnsemsDenis Joseph Carel Van Oers
    • F21V9/00
    • G02B6/0068G02B6/0061
    • An illumination system has linear array of light emitters (R,G,B,A,W) associated with it least one linear array of outcoupling means (O1,O2,O3, . . . ) for coupling light out of the illumination system. Each linear array of outcoupling means is arranged parallel to the linear array of light emitters. For each linear array of outcoupling means, a configuration of the outcoupling means and a configuration of the light emitters fulfill the requirement: NCU×NLC=NOU×NLO, wherein NCU is the number of clusters (C1,C2,C3, . . . ) per unit (U1, . . . ), NLC is the number of light emitters in each of the clusters, NOU is the number of outcoupling means per unit, NLO is the number of light emitters per outcoupling means. A “cluster” is the smallest repetitive collection of light emitters forming the linear array of light emitters. A “unit” is the smallest number of adjacent clusters repetitive with respect to the outcoupling means and with respect to the light emitters.
    • 照明系统具有与其至少一个线性阵列的出射耦合装置(O1,O2,O3 ...)相关联的光发射器(R,G,B,A,W),用于将光耦合到照明系统之外。 输出耦合装置的每个线性阵列平行于发光体的线性阵列布置。 对于输出耦合装置的每个线性阵列,输出耦合装置的配置和发光器的配置满足以下要求:NCUxNLC = NOUxNLO,其中NCU是每单位的簇数(C1,C2,C3 ...) U1,...),NLC是每个簇中的发光体的数量,NOU是每单位的输出耦合装置的数量,NLO是每个输出耦合装置的发光体的数量。 “簇”是形成发光体线性阵列的发光体的最小重复集合。 “单位”是相对于输出耦合装置和相对于发光体重复的相邻簇的最小数目。
    • 10. 发明申请
    • Led Lighting System and Control Method
    • LED照明系统和控制方法
    • US20080290251A1
    • 2008-11-27
    • US12094621
    • 2006-11-13
    • Peter Hubertus Franciscus DeurenbergChristoph Gerard August Hoelen
    • Peter Hubertus Franciscus DeurenbergChristoph Gerard August Hoelen
    • G01J1/20
    • H05B33/0869H05B33/0863H05B33/0866
    • The present invention relates to a light emitting diode (LED) lighting system (10) comprising a plurality of LED light sources for generating a mixed color light, the plurality of LED light sources including at least one LED light source comprising at least one LED adapted to emit light of a first wavelength and a wavelength converter for converting at least a portion of the light emitted from the LED(s) to light of another wavelength, and a control system (33) for individually controlling the flux output of the LED light sources. The control system in turn comprises means for providing feedback of the flux of at least one of the LED light sources, the feedback being based on input from an unfiltered sensor (22) responsive to the actual flux of the individual LED light source, for allowing control of the at least one LED light source in accordance with the feedback, and means for providing first control data based on input from a filtered sensor (36) responsive to the first wavelength flux, for allowing adjustment of at least one LED light source, to compensate for first wavelength leakage of the wavelength converted LED light source(s). The present invention also relates to a system and method for controlling a LED lighting unit.
    • 本发明涉及包括多个用于产生混合色光的LED光源的发光二极管(LED)照明系统(10),所述多个LED光源包括至少一个LED光源,所述至少一个LED光源包括至少一个LED适配 发射第一波长的光和波长转换器,用于将从LED发射的光的至少一部分转换成另一波长的光;以及控制系统(33),用于单独控制LED光的通量输出 来源。 控制系统又包括用于提供至少一个LED光源的通量的反馈的装置,反馈基于来自未过滤的传感器(22)的输入,响应于各个LED光源的实际通量,以允许 根据反馈对至少一个LED光源进行控制;以及用于基于对第一波长通量的滤波的传感器(36)的输入提供第一控制数据的装置,用于允许调节至少一个LED光源, 以补偿波长转换的LED光源的第一波长泄漏。 本发明还涉及一种用于控制LED照明单元的系统和方法。