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    • 64. 发明授权
    • Projection type display device
    • 投影式显示装置
    • US5959701A
    • 1999-09-28
    • US636267
    • 1996-04-24
    • Toru WatanabeIchiro Matsuzaki
    • Toru WatanabeIchiro Matsuzaki
    • G03B21/62H04N5/64G02F1/00H04N5/74H04N9/31
    • G03B21/625
    • A projection type display device comprising a light source for irradiating a light valve, a light valve wherein pixels are arranged in delta matrix, each pixel containing color pixels for the three primary colors and a composite color of red (R), green (G) and blue (B) being displayed on each pixel, a projection lens for projecting the visual images formed on the light valve by receiving the light emitted from the light valve, and a screen including a lenticular lens which has a periodic structure in one direction and on which projected images are formed, which is characterized in that, given the pitch PL of the periodic structure of the lenticular lens and the pitch P of the projected image on the lenticular lens in the direction corresponding to the periodic structure, the pitches PL and P satisfy the equation (1) below when 0.41
    • 一种投影型显示装置,包括用于照射光阀的光源,其中像素以三角矩阵布置的光阀,每个像素包含用于三原色的彩色像素,以及红色(R),绿色(G) 和蓝色(B)显示在每个像素上,投影透镜,用于通过接收从光阀发射的光来投影形成在光阀上的视觉图像;以及屏幕,包括具有沿一个方向的周期性结构的双凸透镜,以及 其上形成有投影图像,其特征在于,给定双凸透镜的周期性结构的间距PL和双凸透镜上的投影图像的间距P在与周期性结构对应的方向上,间距PL和 当满足0.41