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    • 12. 发明申请
    • OPTICAL ENGINE
    • 光学发动机
    • US20090009720A1
    • 2009-01-08
    • US12036734
    • 2008-02-25
    • Mei-Ling ChenChao-Shun ChenFu-Ming ChuangS-Wei ChenCheng-Shun Liao
    • Mei-Ling ChenChao-Shun ChenFu-Ming ChuangS-Wei ChenCheng-Shun Liao
    • G02B27/28
    • G02B27/283H04N9/3105H04N9/3161H04N9/3164
    • An optical engine including a beam splitting and combining system, which includes a first polarizing beam splitting (PBS) unit, a dichroic unit and a second PBS unit, is provided. A first color beam is reflected by the first PBS unit, is reflected by a first light valve, and passes through the first PBS unit sequentially. A second color beam passes through the first PBS unit, is reflected by a second light valve, and is reflected by the first PBS unit sequentially. The dichroic unit is disposed on an optical path of the first and second color beams. The second PBS unit is capable of allowing a third color beam to travel to a third light valve and allowing the third color beam reflected from the third light valve to travel to the dichroic unit. The dichroic unit is capable of combining the first, second and third color beams.
    • 提供了包括分束和组合系统的光学引擎,其包括第一偏振分束(PBS)单元,二向色单元和第二PBS单元。 第一色光束被第一PBS单元反射,被第一光阀反射,并依次通过第一PBS单元。 第二色光束通过第一PBS单元,被第二光阀反射,并被第一PBS单元依次反射。 二向色单元设置在第一和第二色光束的光路上。 第二PBS单元能够允许第三颜色光束行进到第三光阀,并允许从第三光阀反射的第三色光束行进到二向色单元。 二向色单元能够组合第一,第二和第三颜色光束。
    • 14. 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。
    • 20. 发明申请
    • PROJECTION APPARATUS
    • 投影设备
    • US20110090463A1
    • 2011-04-21
    • US12820372
    • 2010-06-22
    • Ruei-Bin JhangCheng-Shun LiaoChu-Ming ChengHuang-Ming ChenChih-Hsien TsaiS-Wei Chen
    • Ruei-Bin JhangCheng-Shun LiaoChu-Ming ChengHuang-Ming ChenChih-Hsien TsaiS-Wei Chen
    • G03B21/28G03B21/14
    • G03B21/28
    • A projection apparatus includes at least one light source, a field lens, a light valve, and a projection lens. The light source provides an illumination beam. The field lens is disposed in a transmission path of the illumination beam including an effective beam passing through the field lens and a ghost beam reflected by the field lens. The light valve converts the effective beam into an image beam. The projection lens includes a lens group, an aperture stop, and a light-shielding element. The lens group and the aperture stop are disposed in a transmission path of the image beam passing through the field lens and a ghost beam path of the ghost beam reflected by the field lens. The light-shielding element is disposed in at least a portion of the ghost beam path between the lens of the lens group furthest away from the aperture stop and the aperture stop.
    • 投影装置包括至少一个光源,场透镜,光阀和投影透镜。 光源提供照明光束。 场透镜设置在包括通过场透镜的有效光束和由场透镜反射的重影光束的照明光束的传输路径中。 光阀将有效光束转换为图像光束。 投影透镜包括透镜组,孔径光阑和遮光元件。 透镜组和孔径光阑设置在通过场透镜的图像束的透射路径中,以及由场透镜反射的重影光束的重影光路。 遮光元件设置在远离孔径光阑的透镜组的透镜与孔径光阑之间的重影光束路径的至少一部分中。