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    • 3. 发明申请
    • COLOR CONVERSION DEVICE
    • 彩色转换装置
    • WO2009016585A2
    • 2009-02-05
    • PCT/IB2008/053034
    • 2008-07-29
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.WANG, LingliLANKHORST, Martijn, H., R.PEETERS, Martinus, P., J.
    • WANG, LingliLANKHORST, Martijn, H., R.PEETERS, Martinus, P., J.
    • H01L33/00
    • H01L33/504H01L33/508
    • The present invention relates to a color conversion device for a light output device emitting light within a first wavelength range, comprising a first wavelength converting element adapted to receive light emitted by the light output device and to output light at a second wavelength range, and a second wavelength converting element arranged to receive the light outputted from the first wavelength converting element and to output light at a third wavelength range, wherein one of the first or the second wavelength converting element is arranged to partly cover the other one of the first or the second wavelength converting element, thereby allowing for the color conversion device to output light within the second and third wavelength ranges. By only partly cover either the first wavelength converting element with the second wavelength converting element, or only partly cover the second wavelength converting element with the first wavelength converting element, it is possible to achieve a higher color rendering index (CRI) as not all of the light emitted by the light output device is filtered by both the first and the second wavelength converting element.
    • 本发明涉及一种用于在第一波长范围内发射光的光输出装置的颜色转换装置,包括:第一波长转换元件,其适于接收由光输出装置发射的光并输出第二波长范围的光;以及 第二波长转换元件,布置成接收从第一波长转换元件输出的光并输出第三波长范围的光,其中第一或第二波长转换元件中的一个被布置成部分地覆盖第一或第二波长转换元件中的另一个, 第二波长转换元件,从而允许颜色转换装置在第二和第三波长范围内输出光。 通过仅部分地覆盖第一波长转换元件与第二波长转换元件,或仅部分地覆盖第二波长转换元件与第一波长转换元件,可以实现更高的显色指数(CRI),不是全部 由光输出装置发射的光被第一和第二波长转换元件两者滤波。
    • 7. 发明申请
    • LUMINESCENT CONVERTER FOR A PHOSPHOR- ENHANCED LIGHT SOURCE COMPRISING ORGANIC AND INORGANIC PHOSPHORS
    • 用于增强有机和无机磷光体的增强型光源的发光转换器
    • WO2010116294A1
    • 2010-10-14
    • PCT/IB2010/051405
    • 2010-03-31
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.STAATS, Cornelia, T.VAN DIJK, Gerardus, A., R.WEGH, Rene, T.VAN DE SPIJKER, Willibrordus,, H., M., M.PEETERS, Martinus, P., J.
    • STAATS, Cornelia, T.VAN DIJK, Gerardus, A., R.WEGH, Rene, T.VAN DE SPIJKER, Willibrordus,, H., M., M.PEETERS, Martinus, P., J.
    • C09K11/77H01J61/44H01J61/48H01L33/50
    • 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 (hvO) 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 (hvl) 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(hvO),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。
    • 8. 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
    • WO2009069010A1
    • 2009-06-04
    • PCT/IB2008/051550
    • 2008-04-23
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PEETERS, Martinus, P., J.VAN DER LUBBE, Marcellus, J., J.PAULUSSEN, Elvira, J., M.BENOY, Daniël, A.DE GRAAF, Jan
    • PEETERS, Martinus, P., J.VAN DER LUBBE, Marcellus, J., J.PAULUSSEN, Elvira, J., M.BENOY, Daniël, A.DE GRAAF, Jan
    • H04N9/31
    • 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 。