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    • 92. 发明授权
    • Optical feedback system with improved accuracy
    • 光学反馈系统,精度提高
    • US07482567B2
    • 2009-01-27
    • US11575515
    • 2005-08-18
    • Christoph Gerard August HoelenJohannes Petrus Maria AnsemsEdwin Van Lier
    • Christoph Gerard August HoelenJohannes Petrus Maria AnsemsEdwin Van Lier
    • G01J1/32H01J3/14
    • G01J1/04F21K9/62F21V23/0457F21Y2113/13F21Y2115/10G01J1/0407G01J1/32G01J3/505G01J3/513G01J2001/4247H01L25/0753H01L25/167H01L2924/0002H01L2924/00
    • The illumination system has a plurality of light emitters (R, G, B) and a light-collimator (1) for collimating light emitted by the light emitters. Light propagation in the light-collimator is based on total internal reflection (TIR) towards a light-exit window (4) of the light-collimator. At least one light sensor (8) for optical feedback is placed outside the light-collimator and is arranged to receive light emitted by the light emitters exclusively through reflection at the light-exit window of the light-collimator. Preferably, the light sensor is placed substantially coplanar with the light emitters. Preferably, a side wall (35) of the light-collimator is provided with a protruding portion (9) for guiding the light reflected at the light-exit window of the light-collimator towards the light sensor. Preferably, the illumination system is provided with a reflector (12). Preferably, the illumination system comprises a holographic diffuser (17). Accurate sensing of the color mixing of light emitted by the illumination system is obtained.
    • 照明系统具有多个发光体(R,G,B)和用于准直由发光体发射的光的光准直器(1)。 在光准直仪中的光传播基于朝向光准直仪的光出射窗(4)的全内反射(TIR)。 用于光学反馈的至少一个光传感器(8)被放置在光准直器外部,并且被布置成仅通过光准直器的光出射窗处的反射来接收由发光体发射的光。 优选地,光传感器被放置成与发光体基本上共面。 优选地,光准直仪的侧壁(35)设置有用于将在光准直器的光出射窗处反射的光朝向光传感器引导的突出部分(9)。 优选地,照明系统设置有反射器(12)。 优选地,照明系统包括全息漫射器(17)。 获得由照明系统发射的光的颜色混合的精确感测。
    • 97. 发明申请
    • OPTICAL MODULE
    • 光学模块
    • US20070272834A1
    • 2007-11-29
    • US11751779
    • 2007-05-22
    • Kimio Nagasaka
    • Kimio Nagasaka
    • H01J3/14H01J40/14
    • G01J1/4257G01J1/0209G01J1/04G01J1/0407G01J1/0411G01J1/0414G01J1/0451
    • An optical module includes: a light emitting element; an optical member having a first lens surface that focuses light emitted from the light emitting element, a reflection surface that reflects a part of the light and passes another part of the light focused by the first lens surface, and a refracting surface that refracts the light reflected by the reflection surface; and a photodetector element that receives the light passed through the refracting surface, wherein the first lens surface and the refracting surface are defined by a coaxial surface of revolution, the first lens surface has a protruded section at a center section thereof, and the refracting surface is formed in a region that surrounds the first lens surface in a plan view.
    • 光学模块包括:发光元件; 具有聚焦从发光元件发出的光的第一透镜表面的光学构件,反射一部分光并使另一部分由第一透镜表面聚焦的光的反射表面和折射光 由反射面反射; 以及光接收元件,其接收通过所述折射面的光,其中,所述第一透镜面和所述折射面由同轴旋转面限定,所述第一透镜面在其中心部具有突出部,所述折射面 形成在平面图中围绕第一透镜表面的区域中。
    • 100. 发明申请
    • Apparatus and method for collecting and detecting light emitted by a lighting apparatus
    • 用于收集和检测由照明装置发射的光的装置和方法
    • US20060226336A1
    • 2006-10-12
    • US11387232
    • 2006-03-23
    • Allan YorkShane RobinsonIan AshdownIngo Speier
    • Allan YorkShane RobinsonIan AshdownIngo Speier
    • G01J1/44
    • F21V23/0457F21K9/00F21Y2115/10G01J1/02G01J1/0271G01J1/0407G01J1/0422G01J1/32G02B6/4298
    • The present invention provides a method and apparatus for collecting and detecting light emitted from a plurality of light-emitting elements. The light-emitting elements are grouped into two or more clusters of one or more light-emitting elements with the clusters arranged such that a portion of the light emitted from each cluster is directly incident upon a central axis, wherein every point along the central axis is equidistant from each cluster. A light collection means also having a central axis associated therewith is placed such that the central axis of the clusters and the central axis of the collection means coincide. The light collection means collects a substantially equal portion of light from each cluster and propagates the collected light to a detection means comprising an optical sensor for conversion to an electrical signal representative of the light emitted by the clusters. The electrical signal provided by the light detection means may be fed back to a controller for use in controlling the properties of the light emitted by the light-emitting elements.
    • 本发明提供一种用于收集和检测从多个发光元件发出的光的方法和装置。 发光元件被分组为一个或多个发光元件的两个或更多个簇,其中簇被布置为使得从每个簇发射的光的一部分直接入射在中心轴上,其中沿着中心轴的每个点 与每个群集等距。 还具有与其相关联的具有中心轴的光收集装置,使得簇的中心轴线和收集装置的中心轴线重合。 光收集装置收集来自每个簇的基本相等的光部分,并将收集的光传播到包括光学传感器的检测装置,该光学传感器转换成代表簇发射的光的电信号。 由光检测装置提供的电信号可以反馈到控制器,以用于控制由发光元件发射的光的特性。