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    • 5. 发明申请
    • PROJECTION APPARATUS
    • 投影设备
    • US20080316430A1
    • 2008-12-25
    • US11873258
    • 2007-10-16
    • Chun-Fa HsuChao-Shun ChenHung-Cheng LungS-Wei ChenMei-Ling ChenCheng-Shun Liao
    • Chun-Fa HsuChao-Shun ChenHung-Cheng LungS-Wei ChenMei-Ling ChenCheng-Shun Liao
    • G03B21/28
    • G03B21/28
    • A projection apparatus including an illumination system, a reflective light valve and an imaging system is provided. The illumination system emits an illumination beam. The reflective light valve is disposed on a transmission path of the illumination beam. The imaging system includes a first lens group, a polarization beam splitter and a second lens group. The first lens group is disposed on the transmission path of the illumination beam between the illumination system and the reflective light valve. The polarization beam splitter is disposed on the transmission path of the illumination beam between the illumination system and the first lens group. The polarization beam splitter permits the illumination beam to pass through and travel to the reflective light valve. The reflective light valve modulates the illumination beam to an image beam traveling to the polarization beam splitter. The polarization beam splitter reflects the image beam to the second lens group.
    • 提供了包括照明系统,反射光阀和成像系统的投影设备。 照明系统发射照明光束。 反射光阀设置在照明光束的传输路径上。 成像系统包括第一透镜组,偏振分束器和第二透镜组。 第一透镜组设置在照明系统和反射光阀之间的照明光束的传输路径上。 偏振分束器设置在照明系统和第一透镜组之间的照明光束的传输路径上。 偏振分束器允许照明光束通过并行进到反射光阀。 反射光阀将照明光束调制为传播到偏振分束器的图像光束。 偏振分束镜将图像光束反射到第二透镜组。
    • 7. 发明授权
    • Color filtering device
    • 滤色装置
    • US07905601B2
    • 2011-03-15
    • US11858603
    • 2007-09-20
    • Mei-Ling ChenS-Wei ChenChao-Shun ChenHung-Cheng LungChun-Fa HsuCheng-Shun Liao
    • Mei-Ling ChenS-Wei ChenChao-Shun ChenHung-Cheng LungChun-Fa HsuCheng-Shun Liao
    • G03B21/14
    • G03B21/14G02B27/285G03B21/2073G03B21/208G03B33/08
    • A color filtering device including a color filter, a plurality of polarization beam splitting units, a plurality of reflecting units, and a plurality of wave plates is provided. The color filter has a plurality of filtering parts and a plurality of light shielding parts alternately arranged thereon. Each of the polarization beam splitting units is disposed in front of one of the filtering parts and makes an angle with a corresponding filtering part. Each of the reflecting units is disposed in front of one of the light shielding parts and makes an angle with a corresponding light shielding part. Each of the wave plates is substantially parallel to one of the filtering parts. Each of the polarization beam splitting units is disposed between a pair of a wave plate and a filtering part. The color filtering device has both color filtering function and polarization conversion function.
    • 提供了一种包括滤色器,多个偏振分束单元,多个反射单元和多个波片的滤色装置。 滤色器具有交替布置在其上的多个滤光部和多个遮光部。 每个偏振光束分离单元设置在一个滤光部分的前面,并与相应的滤光部分形成一个角度。 每个反射单元设置在一个遮光部分的前面并与相应的遮光部分成一定角度。 每个波片基本上平行于过滤部分之一。 每个偏振分束单元设置在一对波片和滤波部之间。 滤色装置具有滤色功能和偏光转换功能。