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    • 10. 发明申请
    • Beam combiner for projection system
    • 射束组合器投影系统
    • US20070242230A1
    • 2007-10-18
    • US11701394
    • 2007-02-02
    • Yu-Chuan ChenShan-Feng Yen
    • Yu-Chuan ChenShan-Feng Yen
    • G03B21/00
    • G02B27/143G02B5/04G02B27/1073G03B21/14G03B21/208G03B33/12H04N9/315
    • A beam combiner and a projection system are disclosed. The projection system includes at least two light sources, a beam combiner, a light tunnel, a light modulator, and a screen. The beam combiner includes at least two prisms. Each prism includes a reflective surface and at least a combining surface. The reflective surface is coated with a high reflective coating and each prism is combined with another prism at the combining surface. The light modulator produces image signal. Light produced from the at least two light sources is reflected by the beam combiner, and enters the light tunnel and the light modulator sequentially, and the screen receives the image signal from the light modulator.
    • 公开了一种光束组合器和投影系统。 投影系统包括至少两个光源,光束组合器,光通道,光调制器和屏幕。 光束组合器至少包括两个棱镜。 每个棱镜包括反射表面和至少一个组合表面。 反射表面涂覆有高反射涂层,并且每个棱镜与组合表面处的另一棱镜组合。 光调制器产生图像信号。 由至少两个光源产生的光被光束组合器反射,并且顺序地进入光通道和光调制器,并且屏幕接收来自光调制器的图像信号。