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    • 1. 再颁专利
    • Projection-type image display apparatus and method
    • 投影型图像显示装置及方法
    • USRE43743E1
    • 2012-10-16
    • US11106732
    • 2005-04-15
    • Kun-ho ChoSeung-Tae JungJang-hoon YooChul-woo Lee
    • Kun-ho ChoSeung-Tae JungJang-hoon YooChul-woo Lee
    • G03B21/00G03B21/26G03B21/14
    • G03B21/005H04N9/3117H04N13/305H04N13/324H04N13/337H04N13/363
    • A projection-type image display apparatus having a structure adapted so that the efficiency of the use of light and resolving power thereof can be enhanced. The projection-type image display apparatus includes a light source; a color separation unit separating incident rays according to predetermined wavelengths, and directing the separated rays at different angles; a lens array dividing the rays separated by the color separation unit into predetermined pixels; a driving portion driving the lens array to change the proceeding paths of the color rays; a polarizing beam splitter changing a proceeding path of incident rays depending on a direction of polarization; a reflection-type display device producing a color image using the rays entering via the polarizing beam splitter, and reflecting the color image toward the polarizing beam splitter; and a projection lens unit magnifying and projecting an incident image onto a screen. In addition, the projection-type image display apparatus may comprise. Alternative designs include a transmission-type display device in place of the reflection-type display device and a deflector changing the proceeding paths of the individual color rays separated by the color separation unit instead of the driving portion.
    • 一种投影型图像显示装置,其具有能够提高光的使用效率和分辨能力的结构。 投影型图像显示装置包括光源; 分离单元,根据预定波长分离入射光线,并以不同的角度引导分离的光线; 透镜阵列,将由分色单元分离的光线划分成预定的像素; 驱动所述透镜阵列以改变所述彩色光线的前进路径的驱动部; 偏振分束器根据偏振方向改变入射光线的行进路径; 反射型显示装置,使用通过偏振分束器进入的光线产生彩色图像,并将彩色图像反射向偏振分束器; 以及将投影图像放大并投影到屏幕上的投影透镜单元。 此外,投影型图像显示装置可以包括。 替代设计包括代替反射型显示装置的透射型显示装置和改变由分色单元分离的各个色光的行进路径而不是驱动部分的偏转器。