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    • 2. 发明申请
    • Illumination System
    • 照明系统
    • US20080093530A1
    • 2008-04-24
    • US11575515
    • 2005-08-18
    • Christoph HoelenJohannes AnsemsEdwin Van Lier
    • Christoph HoelenJohannes AnsemsEdwin Van Lier
    • G01J1/00H01L33/00H01L25/075
    • 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。
    • 3. 发明申请
    • Color-mixing lighting system
    • 混色照明系统
    • US20060285324A1
    • 2006-12-21
    • US10569020
    • 2004-08-09
    • Johannes AnsemsChristoph HoelenThomas Juestel
    • Johannes AnsemsChristoph HoelenThomas Juestel
    • F21V9/00
    • F21V7/048F21K9/62F21V7/04F21Y2113/13F21Y2115/10G02F1/133621H01L25/0753H01L2924/0002H01L2924/00
    • A color-mixing lighting system has a light-emitting diode (6, 7) emitting first visible light having a first peak wave-length in a first spectral range and has a fluorescent material (8) converting a portion of the first visible light into second visible light having a second peak wavelength in a second spectral range. The second visible light has a full width at half maximum (FWHM) of at least 50 nm. Preferably, the second visible light is red light, the second peak wavelength being in the range from 590 to 630 ran, preferably, in the range from 600 to 615 nm. Preferably, the lighting system comprises a further light-emitting diode (7) for emitting third visible light having a third peak wavelength in a third spectral range. The color-mixing lighting system according to the invention generates white light with a high color-rendering index and allows certain variations in the wavelength of the primaries.
    • 色混合照明系统具有发光二极管(6,7),发射具有第一光谱范围的第一峰值波长的第一可见光,并具有将第一可见光的一部分转换为 在第二光谱范围具有第二峰值波长的第二可见光。 第二可见光具有至少50nm的半高全宽(FWHM)。 优选地,第二可见光是红光,第二峰值波长在590至630nm的范围内,优选地在600至615nm的范围内。 优选地,照明系统包括用于在第三光谱范围内发射具有第三峰值波长的第三可见光的另外的发光二极管(7)。 根据本发明的混色照明系统产生具有高显色指数的白光,并允许原色波长的某些变化。
    • 5. 发明申请
    • Illumination System
    • 照明系统
    • US20080062686A1
    • 2008-03-13
    • US11575517
    • 2005-08-18
    • Christoph HoelenJohannes Ansems
    • Christoph HoelenJohannes Ansems
    • G02B27/30G02B5/02
    • G02B6/002G02B6/0018G02B6/0028G02B6/0068G02B27/0994
    • An illumination system has a plurality of light emitters (R, G, B), at least one light-collimating section (12, 12′, 12″) for collimating the light emitted by the light emitters arranged along a longitudinal axis (25) of the illumination system. The at least one lightcollimating sections merge into a light-mixing section (3) at a side facing away from the light emitters. The light-mixing section has a plurality of side-faces parallel to the longitudinal axis. A surface of the light-mixing section facing away from the light emitters is provided with a light-shaping diffuser (17). Preferably, the light-shaping diffuser is a holographic diffuser. Preferably, the illumination system comprises a plurality of light-collimating sections each of the light-collimating sections being associated with at least one light emitter. The illumination system provides improved spatial and spatio-angular mixing of the light emitted by the light emitters.
    • 一种照明系统具有多个发光体(R,G,B),至少一个光准直部分(12,12',12“),用于对沿着纵向轴线(25)布置的发光体发射的光进行准直 )照明系统。 所述至少一个光取向部分在远离所述发光体的一侧合并成光混合部分(3)。 光混合部分具有平行于纵向轴线的多个侧面。 光混合部分背向光发射器的表面设置有光成形漫射器(17)。 优选地,光成形漫射器是全息漫射器。 优选地,照明系统包括多个光准直部分,每个光准直部分与至少一个光发射器相关联。 照明系统提供由光发射器发射的光的改进的空间和空间角混合。
    • 6. 发明申请
    • Illumination System
    • 照明系统
    • US20070263383A1
    • 2007-11-15
    • US11575519
    • 2005-08-18
    • Johannes AnsemsChristoph HoelenAd Van Den BrandtJorrit De Vries
    • Johannes AnsemsChristoph HoelenAd Van Den BrandtJorrit De Vries
    • F21V9/00
    • 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。
    • 8. 发明申请
    • Illumination System
    • 照明系统
    • US20080062682A1
    • 2008-03-13
    • US11575513
    • 2005-08-18
    • Christoph HoelenJohannes Ansems
    • Christoph HoelenJohannes Ansems
    • F21V9/08
    • F21V7/05F21K9/69F21V7/0091F21Y2113/13F21Y2115/10H01L25/0753H01L33/60H01L2924/0002H01L2924/00
    • The illumination system has a light source (1) with a plurality of light emitters (R, G, B). The light emitters comprise at least a first light-emitting diode of a first primary color and at least a second light-emitting diode of a second primary color, the first and the second primary colors being distinct from each other. The illumination system has a facetted light-collimator (2) for collimating light emitted by the light emitters. The facetted light-collimator is arranged along a longitudinal axis (25) of the illumination system. Light propagation in the facetted light-collimator is based on total internal reflection or on reflection at a reflective coating provided on the facets of the facetted light-collimator. The facetted light-collimator merges into a facetted light-reflector (3) at a side facing away from the light source. The illumination system further comprises a light-shaping diffuser (17). The illumination system emits light with a uniform spatial and spatio-angular color distribution.
    • 照明系统具有具有多个发光体(R,G,B)的光源(1)。 光发射体至少包括第一原色的第一发光二极管和第二原色的至少第二发光二极管,第一和第二原色彼此不同。 照明系统具有用于准直由发光体发射的光的分面光准直器(2)。 分面光准直器沿照明系统的纵向轴线(25)布置。 在分面光准直仪中的光传播基于全内反射或基于设置在刻面光准直仪的面上的反射涂层的反射。 分面光准直器在远离光源的一侧融合成分面的光反射器(3)。 照明系统还包括光成形漫射器(17)。 照明系统以均匀的空间和空间角色彩分布发光。