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    • 6. 发明申请
    • COLOR MIXING ROD INTEGRATOR IN A LASER-BASED PROJECTOR
    • 基于激光的投影仪中的彩色混合光栅集成器
    • WO2007072336A1
    • 2007-06-28
    • PCT/IB2006/054823
    • 2006-12-13
    • KONINKLIJKE PHILIPS ELECTRONICS, N.V.U.S. PHILIPS CORPORATIONWILLEMSEN, Oscar, HendrikusKRIJN, Marcellinus, Petrus, Carolus, Michael
    • WILLEMSEN, Oscar, HendrikusKRIJN, Marcellinus, Petrus, Carolus, Michael
    • G02B27/48G02B27/09G03B21/14
    • G02B27/0994G02B27/1006G02B27/102G03B21/2066G03B21/208G03B33/12
    • The present invention provides a system (150) (160), apparatus (100) (200) and method to exploit the high beam quality of a laser light source to lower the cost and decrease the size of a color sequentially operated and laser based projector. Using a color mixing rod integrator (100) (200) (500) (550), laser light is homogenized, thus supplying the proper illumination pattern to a spatial light modulator. The rod integrator is also used to recombine the light of the primary colors, thus obviating dichroic recombination optics. For this purpose all light is coupled into the entrance plane of one and the same color mixing rod integrator. In this way a low cost and compact illumination system is obtained. By adding extra reflective layers to entrance (101) (201) and exit faces (105) of the integrator, the length of the integrator is decreased and/or the F/# in the system is increased. This enables a truly portable projector. When applying a color mixing rod integrator according to the present invention in a light engine with a reflective spatial light modulator, the integrator is very well suited for light recycling, which can increase an image's brightness up to a factor of three at average video display load.
    • 本发明提供一种系统(150)(160),设备(100)(200)和方法,利用激光光源的高光束质量来降低成本并降低颜色顺序操作的尺寸和基于激光的投影仪 。 使用混色棒积分器(100)(200)(500)(550),将激光均匀化,从而将适当的照明图案提供给空间光调制器。 棒状积分器还用于重新组合原色光,从而消除二色重组光学。 为此,所有的光都耦合到同一个颜色混合杆积分器的入射面上。 以这种方式获得了低成本和紧凑的照明系统。 通过向积分器的入口(101)(201)和出射面(105)添加额外的反射层,积分器的长度减小和/或系统中的F /#增加。 这使得真正便携式的投影机。 当根据本发明的混色杆积分器在具有反射空间光调制器的光引擎中应用时,积分器非常适合于光循环,其可以在平均视频显示负载下将图像的亮度提高到三倍 。
    • 9. 发明申请
    • AN OPTICAL ELEMENT FOR OBTAINING A DAYLIGHT APPEARANCE, A LIGHTING SYSTEM AND A LUMINAIRE
    • 用于获得日光外观的光学元件,照明系统和灯泡
    • WO2012140579A2
    • 2012-10-18
    • PCT/IB2012/051764
    • 2012-04-11
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • ONAC, Gabriel-EugenKRIJN, Marcellinus, Petrus, Carolus, Michael
    • F21V9/02F21V11/06F21W121/00
    • F21V9/02F21V11/06F21W2121/008
    • An optical element 100 for use in front of a light source 102 for obtaining a skylight appearance, a lighting system and a luminaire are provided. The optical element 100 comprises a light transmitting cell which comprises a light transmitting channel 116, a light input window 106, a light exit window 110 and a wall 108. The light transmitting channel 116 collimates a part of light 104 emitted by the light source 102. The light input window 106 is arranged at a first side of the light transmitting channel 116 and receives light 104 from the light source 102. The light exit window 110 emits light with the skylight appearance. At least a part of the light exit window 110 is arranged at a second side of the light transmitting channel 116 opposite to the first side. The wall 108 is interposed between the light input window 106 and the part of the light exit window 110. The wall 108 encloses the light transmitting channel 116. At least a part of the wall 108 is reflective and/or transmissive in a predefined spectral range to obtain a blue light emission at relatively large light emission angles with respect to a normal to the part of the light exit window 110.
    • 提供了用于获得天窗外观的光源102前方的光学元件100,照明系统和照明装置。 光学元件100包括透光单元,其包括透光通道116,光输入窗口106,光出射窗口110和壁108.透光通道116准直由光源102发射的光的一部分 光输入窗口106布置在光透射通道116的第一侧并且接收来自光源102的光104.光出射窗110发出具有天窗外观的光。 光出射窗110的至少一部分布置在光传输通道116的与第一侧相对的第二侧。 壁108插入在光输入窗106和光出射窗110的一部分之间。壁108包围透光通道116.壁108的至少一部分在预定的光谱范围内是反射和/或透射的 以相对于光出射窗110的部分的法线在相对大的发光角度获得蓝光发射。