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    • 3. 发明授权
    • Projector apparatus
    • 投影仪
    • US08537290B2
    • 2013-09-17
    • US12673151
    • 2008-10-06
    • Akinobu SugaTakayuki Uchiyama
    • Akinobu SugaTakayuki Uchiyama
    • G02F1/1335G03B21/14
    • G02B27/283G03B21/006H04N5/2251H04N9/3167H04N9/3176
    • A projector apparatus includes: a polarization beam splitter block assuming a shape of a rectangular parallelepiped that includes two end surfaces and four side surfaces; a light source opposed to one of the side surfaces; an illumination optical system disposed between the light source and the polarization beam splitter block, which converts illuminating light to substantially parallel light so that is directed to the polarization beam splitter block; a reflection-type liquid crystal display element opposed to an illuminating light output surface, through which an illuminating light undergone polarization separation is output, and that includes a rectangular display area through which the illuminating light is modulated to modulated light output to the polarization beam splitter block; and a projection optical system that forms a projection image with the modulated light undergone polarization separation, wherein: shorter borders of the rectangular display area is set parallel to the end surfaces.
    • 一种投影仪装置,包括:偏振分束器块,其具有包括两个端面和四个侧面的长方体形状; 与所述侧表面中的一个相对的光源; 设置在光源和偏振分束器块之间的照明光学系统,其将照明光转换成基本上平行的光,从而被引导到偏振分束器块; 与照明光输出面相对的反射型液晶显示元件,通过该反射型液晶显示元件输出经过偏振分离的照明光,并且包括矩形显示区域,照明光通过该矩形显示区域调制为输出到偏振分束器的调制光 块; 以及投影光学系统,其中调制光经过偏振分离而形成投影图像,其中:矩形显示区域的较短边界被设置为平行于端面。
    • 6. 发明申请
    • SPECKLE REDUCTING DEVICE AND PROJECTOR
    • 减速装置和投影机
    • US20120075588A1
    • 2012-03-29
    • US13248378
    • 2011-09-29
    • AKINOBU SUGA
    • AKINOBU SUGA
    • G02B27/48G03B21/14G02B27/28
    • G02B27/48G02B5/3083G02B27/283G02B27/286G03B21/14G03B21/2033G03B21/2073G03B21/208G03B21/40H04N9/3161
    • A speckle reducing device includes: a polarization splitter element with a polarization splitter portion that splits incident light into first and second light containing a first and a second component respectively, which outputs the first and the second light along different directions; a first reflecting member that reflects the first light to reenter the polarization splitter element; a first conversion member disposed between the first reflecting member and the polarization splitter element, which converts the first light to third light containing the second component; a second reflecting member that reflects the third light to reenter the polarization splitter element; and a second conversion member disposed between the second reflecting member and the polarization splitter element, which converts the third light to fourth light containing the first component, wherein: the polarization splitter element outputs the second and the fourth light along one direction.
    • 散斑减少装置包括:偏振分离器元件,具有偏振分离器部分,其将入射光分成包含第一和第二成分的第一和第二光,其分别沿不同方向输出第一和第二光; 第一反射构件,其反射第一光以重新进入偏振分离器元件; 第一转换构件,设置在第一反射构件和偏振分离器元件之间,其将第一光转换为包含第二成分的第三光; 第二反射构件,其反射第三光以重新进入偏振分离器元件; 以及第二转换构件,其设置在所述第二反射构件和所述偏振分离器元件之间,其将所述第三光转换为包含所述第一分量的第四光,其中:所述偏振分离器元件沿着一个方向输出所述第二和第四光。
    • 8. 发明授权
    • Speckle reducting device and projector
    • 散斑装置和投影机
    • US09182608B2
    • 2015-11-10
    • US13248378
    • 2011-09-29
    • Akinobu Suga
    • Akinobu Suga
    • G03B21/14G02B27/48G02B27/28G03B21/40H04N9/31
    • G02B27/48G02B5/3083G02B27/283G02B27/286G03B21/14G03B21/2033G03B21/2073G03B21/208G03B21/40H04N9/3161
    • A speckle reducing device includes: a polarization splitter element with a polarization splitter portion that splits incident light into first and second light containing a first and a second component respectively, which outputs the first and the second light along different directions; a first reflecting member that reflects the first light to reenter the polarization splitter element; a first conversion member disposed between the first reflecting member and the polarization splitter element, which converts the first light to third light containing the second component; a second reflecting member that reflects the third light to reenter the polarization splitter element; and a second conversion member disposed between the second reflecting member and the polarization splitter element, which converts the third light to fourth light containing the first component, wherein: the polarization splitter element outputs the second and the fourth light along one direction.
    • 散斑减少装置包括:偏振分离器元件,具有偏振分离器部分,其将入射光分成包含第一和第二成分的第一和第二光,其分别沿不同方向输出第一和第二光; 第一反射构件,其反射第一光以重新进入偏振分离器元件; 第一转换构件,设置在第一反射构件和偏振分离器元件之间,其将第一光转换为包含第二成分的第三光; 第二反射构件,其反射第三光以重新进入偏振分离器元件; 以及第二转换构件,其设置在所述第二反射构件和所述偏振分离器元件之间,其将所述第三光转换为包含所述第一分量的第四光,其中:所述偏振分离器元件沿着一个方向输出所述第二和第四光。
    • 10. 发明申请
    • PROJECTOR APPARATUS
    • 投影仪
    • US20120133851A1
    • 2012-05-31
    • US12673151
    • 2008-10-06
    • Akinobu SugaTakayuki Uchiyama
    • Akinobu SugaTakayuki Uchiyama
    • G02F1/1335
    • G02B27/283G03B21/006H04N5/2251H04N9/3167H04N9/3176
    • A projector apparatus includes: a polarization beam splitter block assuming a shape of a rectangular parallelepiped that includes two end surfaces and four side surfaces; a light source opposed to one of the side surfaces; an illumination optical system disposed between the light source and the polarization beam splitter block, which converts illuminating light to substantially parallel light so that is directed to the polarization beam splitter block; a reflection-type liquid crystal display element opposed to an illuminating light output surface, through which an illuminating light undergone polarization separation is output, and that includes a rectangular display area through which the illuminating light is modulated to modulated light output to the polarization beam splitter block; and a projection optical system that forms a projection image with the modulated light undergone polarization separation, wherein: shorter borders of the rectangular display area is set parallel to the end surfaces.
    • 一种投影仪装置,包括:偏振分束器块,其具有包括两个端面和四个侧面的长方体形状; 与所述侧表面中的一个相对的光源; 设置在光源和偏振分束器块之间的照明光学系统,其将照明光转换成基本上平行的光,从而被引导到偏振分束器块; 与照明光输出面相对的反射型液晶显示元件,通过该反射型液晶显示元件输出经过偏振分离的照明光,并且包括矩形显示区域,照明光通过该矩形显示区域调制为输出到偏振分束器的调制光 块; 以及投影光学系统,其中调制光经过偏振分离而形成投影图像,其中:矩形显示区域的较短边界被设置为平行于端面。