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    • 1. 发明授权
    • Projection type image display apparatus
    • 投影型图像显示装置
    • US07170567B2
    • 2007-01-30
    • US10379312
    • 2003-03-03
    • Satoshi OuchiTomohiro MiyoshiTaro ImahaseMasahiko YatsuKoji Hirata
    • Satoshi OuchiTomohiro MiyoshiTaro ImahaseMasahiko YatsuKoji Hirata
    • H04N5/74G02F1/00
    • G02B27/0961G02B26/123G02B26/124H04N9/3117H04N9/315
    • A projection type image display apparatus includes a light source to emit light; a polarizing beam splitter to polarize the light received from the light source; a first lens array including a plurality of first lens cells having rectangular shapes to receive the light from the polarizing beam splitter, each first lens cell having a first side and a second side, the first side being longer than the second side, the first lens array having a rectangular shape, the first lens array having a third side and a fourth side, the third side being longer than the fourth side, the first sides of the first lens cells and the third side of the first lens array extending along a first direction; a second lens array including a plurality of second lens cells and being configured to receive the light from the first lens array, the second lens array having a rectangular shape and having a fifth side and a sixth side, the fifth and sixth sides of the second lens array having substantially the same dimensions as the third and fourth sides of the first lens array; a color separator configured to separate the light from the second lens array into a plurality of light rays of different colors; an image display device configured to form an optical image from the plurality of light rays; and a projector configured to project the plurality of light rays emitted from the image display device as a color image.
    • 投影型图像显示装置包括发光的光源; 偏振分束器,用于使从光源接收的光偏振; 第一透镜阵列,包括具有矩形形状的多个第一透镜单元,以接收来自偏振分束器的光,每个第一透镜单元具有第一侧和第二侧,第一侧比第二侧长,第一透镜 阵列具有矩形形状,第一透镜阵列具有第三侧和第四侧,第三侧比第四侧长,第一透镜单元的第一侧和第一透镜阵列的第三侧沿第一侧延伸, 方向; 第二透镜阵列,包括多个第二透镜单元,并且被配置为接收来自第一透镜阵列的光,第二透镜阵列具有矩形形状并具有第五面和第六面,第二透镜阵列的第五和第六面 透镜阵列具有与第一透镜阵列的第三和第四侧基本相同的尺寸; 配置为将来自第二透镜阵列的光分离成多种不同颜色的光的分色器; 被配置为从所述多个光线形成光学图像的图像显示装置; 以及投影仪,其配置为将从所述图像显示装置发射的所述多个光线投影为彩色图像。