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    • 22. 发明授权
    • Illumination system
    • 照明系统
    • US07506998B2
    • 2009-03-24
    • US11575519
    • 2005-08-18
    • Johannes Petrus Maria AnsemsChristoph Gerard August HoelenAd Van Den BrandtJorrit Ernst De Vries
    • Johannes Petrus Maria AnsemsChristoph Gerard August HoelenAd Van Den BrandtJorrit Ernst De Vries
    • F21V5/00
    • G02B6/002G02B6/0018G02B6/0021G02B6/0068
    • An illumination system has a plurality (2) of light-collimating sections (12, 12′, 12″) and a light-mixing section (3). The light-collimating sections are arranged substantially parallel to each other along a longitudinal axis (25) of the illumination system. Each of the light-collimating sections is associated with at least one light emitter (R, G, B). Each of the light emitters is being in optical contact with the respective light-collimating section via a dielectric material with a refractive index larger than or equal to 1.3. At a side facing away from the light emitters, the light-collimating sections merge into the light-mixing, the light-collimating sections and the light-mixing section forming one integral part. Light propagation in the light-mixing section is based on total internal reflection and the light-mixing section has a plurality of faces parallel to the longitudinal axis. Preferably, the light-mixing section at a side facing away from the light emitters is provided with a further light-collimating section.
    • 照明系统具有多个(2)光准直部分(12,12',12“)和光混合部分(3)。 光准直部分沿着照明系统的纵向轴线(25)基本上彼此平行地布置。 每个光准直部分与至少一个光发射器(R,G,B)相关联。 每个发光体通过折射率大于或等于1.3的介电材料与相应的光准直部分光学接触。 在远离发光体的一侧,光准直部分合并成光混合,光准直部分和形成一个整体部分的光混合部分。 光混合部分中的光传播基于全内反射,并且光混合部分具有平行于纵轴的多个面。 优选地,在远离发光体的一侧的光混合部分设置有另外的光准直部分。
    • 26. 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。
    • 28. 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。