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    • 7. 发明授权
    • Illumination system with remote phosphor layer and/or scattering layer
    • 具有远程荧光层和/或散射层的照明系统
    • US09250470B2
    • 2016-02-02
    • US13146135
    • 2010-01-21
    • Gerardus Arnoldus Rita Van DijkAndreas Martinus Theodorus Paulus Van Der PuttenRene Theodorus WeghMartinus Petrus Joseph PeetersRené Jan Hendriks
    • Gerardus Arnoldus Rita Van DijkAndreas Martinus Theodorus Paulus Van Der PuttenRene Theodorus WeghMartinus Petrus Joseph PeetersRené Jan Hendriks
    • G02F1/1335
    • G02F1/133603G02F1/133606G02F1/133611
    • The invention relates to an illumination system (10, 12), to a remote phosphor layer (30; 32, 34), to a scattering layer (32), to a luminaire (100), to a display device (300) and to a method of at least partially correcting a light emission characteristic of at least one light source (22) in the illumination system. The illumination system comprises an array of light sources (20) and a remote phosphor layer and/or a scattering layer arranged between the array of light sources and a light output window (40) for emitting the light from the light sources. At least one light source of the array of light sources comprises a light emission characteristic different from the other light sources of the array of light sources. The luminescent material (52, 54) is distributed across the remote phosphor layer and/or the scattering structures (52) and/or scattering material (52) are distributed across the scattering layer for compensating at least partially the difference in light emission characteristic of the at least one light source.The effect of the illumination system according to the invention is that the deviation of the at least one light source can be compensated, and as such, binning of light sources may be omitted.
    • 本发明涉及一种照明系统(10,12),一个远程荧光体层(30,32,34),一个散射层(32),一个照明器(100),一个显示装置(300)和 至少部分地校正照明系统中的至少一个光源(22)的发光特性的方法。 所述照明系统包括光源阵列(20)和远离荧光体层和/或布置在所述光源阵列之间的散射层和用于发射来自所述光源的光的光输出窗口(40)。 光源阵列的至少一个光源包括与光源阵列的其它光源不同的发光特性。 发光材料(52,54)分布在远离荧光体层和/或散射结构(52)和/或散射材料(52)之间分布在散射层上,以至少部分地补偿发光特性 所述至少一个光源。 根据本发明的照明系统的效果是可以补偿至少一个光源的偏差,因此可以省略光源的合并。
    • 8. 发明申请
    • LUMINESCENT CONVERTER FOR A PHOSPHOR-ENHANCED LIGHT SOURCE
    • 荧光增白光源的发光转换器
    • US20120119639A1
    • 2012-05-17
    • US13262873
    • 2010-03-31
    • Cornelia Titia StaatsGerardus Arnoldus Rita Van DijkRene Theodorus WeghWillibrordus Hubertus, Martinus, Maria Van De SpijkerMartinus Petrus Joseph Peeters
    • Cornelia Titia StaatsGerardus Arnoldus Rita Van DijkRene Theodorus WeghWillibrordus Hubertus, Martinus, Maria Van De SpijkerMartinus Petrus Joseph Peeters
    • H01J1/63H01J61/44H01J1/62
    • H01J61/44C09K11/06C09K11/7774H01J61/48H01L33/504
    • The invention relates to a luminescent converter (10, 12) for a phosphor-enhanced light source (100, 102, 104). The luminescent converter comprises a first luminescent material (20) configured for absorbing at least a part of excitation light (hv0) emitted by a light emitter (40, 42) of the phosphor-enhanced light source, and for converting at least a part of the absorbed excitation light into first emission light (hv1) comprising a longer wavelength compared to the excitation light. The luminescent converter further comprising a second luminescent material (30) comprising organic luminescent material (30) and configured for absorbing at least a part of the first emission light emitted by the first luminescent material, and for converting at least a part of the absorbed first emission light into second emission light (hv2) having a longer wavelength compared to the first emission light.An effect of the luminescent converter according to the invention is that the two-step light conversion according to the invention generates a relatively small Stokes shift of the light emitted by the organic luminescent material. The inventors have found that by reducing the Stokes shift of the organic luminescent material, the width of the spectrum of the second emission light is limited to reduce an infrared part in the emission spectrum. As such, the efficiency is improved.
    • 本发明涉及一种用于荧光增强光源(100,102,104)的发光转换器(10,12)。 发光转换器包括第一发光材料(20),其被配置为吸收由荧光增强光源的光发射器(40,42)发射的至少一部分激发光(hv0),并且用于将至少一部分 吸收的激发光成为与激发光相比具有较长波长的第一发射光(hv1)。 所述发光转换器还包括包含有机发光材料(30)的第二发光材料(30),并被配置为吸收由第一发光材料发射的第一发射光的至少一部分,并且用于将至少一部分吸收的第一 与第一发射光相比,具有更长波长的第二发射光(hv2)的发射光。 根据本发明的发光转换器的效果是根据本发明的两步光转换产生由有机发光材料发射的光的相对较小的斯托克斯偏移。 发明人已经发现,通过减少有机发光材料的斯托克斯偏移,第二发射光的光谱的宽度被限制以减少发射光谱中的红外部分。 因此,提高效率。
    • 10. 发明申请
    • ILLUMINATION SYSTEM, METHOD AND PROJECTION DEVICE FOR CONTROLLING LIGHT EMITTED DURING A SPOKE TIME PERIOD
    • 照明系统,用于控制发射时间期间发光的方法和投影装置
    • US20100315604A1
    • 2010-12-16
    • US12744077
    • 2008-04-23
    • Martinus Petrus Joseph PeetersMarcellus Jacobus Johannes Van Der LubbeElvira Johanna Maria PaulussenDaniel Anton BenoyJan De Graaf
    • Martinus Petrus Joseph PeetersMarcellus Jacobus Johannes Van Der LubbeElvira Johanna Maria PaulussenDaniel Anton BenoyJan De Graaf
    • G03B21/28H05B37/02G03B21/14
    • H04N9/3155G02B7/006G02B26/008G03B21/204H04N9/3114
    • The invention relates to an illumination system (100), a projection device, and a color wheel (20, 22, 24). The illumination system comprises a light source comprising a first light-emitting unit (50) and a second light-emitting unit each emitting light towards a light output window (110). The illumination system comprises the color wheel comprising a plurality of color segments (R, G, B), a boundary between two adjacent color segment being a spoke (40). The first light-emitting unit, the second light-emitting unit and the spoke are configured for preventing the spoke when transiting the optical path (80) between the light source and the light output window to simultaneously transit a first optical path between the first light-emitting unit and the light output window and a second optical path between the second light-emitting unit and the light output window. The illumination system further comprises a drive unit (92) which is configured for switching off the first light-emitting unit during a time interval (pI) when the spoke transits the first optical path. The effect of the illumination system according to the invention is that the color of the light emitted during the spoke time does not change gradually but changes relatively abruptly enabling the projection device to use the light emitted during the spoke time without the need for complex compensation techniques.
    • 本发明涉及照明系统(100),投影装置和色轮(20,22,24)。 照明系统包括光源,该光源包括第一发光单元(50)和第二发光单元,每个发光单元向光输出窗(110)发射光。 所述照明系统包括色轮,所述色轮包括多个颜色段(R,G,B),两个相邻颜色段之间的边界是辐条(40)。 第一发光单元,第二发光单元和辐条构造成用于在转移光源和光输出窗口之间的光路(80)时防止辐条同时传送第一光 发光单元和光输出窗口以及第二发光单元和光输出窗口之间的第二光路。 所述照明系统还包括驱动单元(92),所述驱动单元(92)被配置为当所述辐条转过所述第一光路时,在时间间隔(pI)期间关闭所述第一发光单元。 根据本发明的照明系统的效果是在辐射时间期间发射的光的颜色不会逐渐变化,而是相对突然地变化,使得投影装置能够使用在辐射时间期间发射的光,而不需要复杂的补偿技术 。