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    • 36. 发明申请
    • Rear projection display
    • 背投显示
    • US20060139577A1
    • 2006-06-29
    • US11312558
    • 2005-12-21
    • Takashi IkedaTakashi MiwaHaruhiko MurataHideyuki Kanayama
    • Takashi IkedaTakashi MiwaHaruhiko MurataHideyuki Kanayama
    • G03B21/22
    • G03B21/10G03B21/16G03B21/28H04N9/3105H04N9/3141
    • A rear projection display, not requiring a dichroic prism, and capable of rendering a generation system of each image light in color independent of the other generation systems so as to optimally construct and improve easiness of assembly of, and so on, each generation system, is provided. Each unit for projecting image-light is formed of an LED array, a rod integrator, a liquid crystal display panel, and a projection lens. A projection optical axis of the projection lens of each unit for projecting image-light is parallel each other. A unit for projecting image light in red is provided with an LED array for emitting light of a wavelength band in red, a unit for projecting image light in green is provided with an LED array for emitting light of a wavelength band in green, and a unit for projecting image light in blue is provided with an LED array for emitting light of a wavelength band in blue. Each image light in color obtained as a result of passing through the liquid crystal display panel is projected by the projection lens, and displayed on a screen. As a result, each image light in color is superposed on the screen, and an image in full color is displayed.
    • 背投显示器,不需要二向色棱镜,并且能够使得每个图像的发光系统的颜色独立于其他发电系统,从而最佳地构建和改善每个发电系统的组装等等, 被提供。 用于投影图像光的每个单元由LED阵列,杆积分器,液晶显示面板和投影透镜形成。 用于投影图像光的每个单元的投影透镜的投影光轴彼此平行。 用红色投射图像光的单元设置有用于发射红色波长带的光的LED阵列,用于以绿色投射图像光的单元设置有用于发射绿色波长带的光的LED阵列,以及 用于以蓝色投射图像光的单元设置有用于发射蓝色波长带的光的LED阵列。 作为通过液晶显示面板的结果获得的每种颜色的光被投影透镜投影并显示在屏幕上。 结果,将每个图像的颜色光重叠在屏幕上,并且显示全色的图像。