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    • 2. 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。
    • 6. 发明授权
    • Illumination apparatus and projection display apparatus
    • 照明装置和投影显示装置
    • US07845802B2
    • 2010-12-07
    • US11934818
    • 2007-11-05
    • Takashi IkedaMakoto MaedaKen MashitaniHideyuki Kanayama
    • Takashi IkedaMakoto MaedaKen MashitaniHideyuki Kanayama
    • G03B21/00
    • H04N9/3167G03B21/2066G03B21/2073G03B21/208G03B33/12H04N9/3105
    • An illumination apparatus includes a plate-like separation optical element having a dichroic surface and a PBS surface. The dichroic surface reflects green component light and transmits yellow component light. The PBS surface transmits P polarization component light and reflects S polarization component light. The separation optical element combines red component light entering from a certain direction and transmitted through the dichroic surface, with yellow component light entering from a different direction and reflected by the PBS surface, and leads a combined light towards a red liquid crystal panel. The separation optical element combines green component light entering from the certain direction and reflected by the dichroic surface, with yellow component light entering from the different direction and transmitted through the PBS surface, and leads a combined light towards a green liquid crystal panel.
    • 照明装置包括具有二向色表面和PBS表面的板状分离光学元件。 二向色表面反射绿色成分光并透过黄色成分光。 PBS表面透射P偏振分量光并反射S偏振分量光。 分离光学元件将从特定方向进入并透射通过二向色表面的红色分量光与从不同方向进入并被PBS表面反射的黄色成分光组合,并将组合的光导向红色液晶面板。 分离光学元件将从特定方向入射并由二色性表面反射的绿色成分光组合成黄色分量光从不同方向进入并透过PBS表面,并将组合光导向绿色液晶面板。
    • 7. 发明授权
    • Color separating and mixing element, video light producing device, and projection type video display
    • 彩色分离和混合元件,视频光产生装置和投影型视频显示器
    • US07216986B2
    • 2007-05-15
    • US10809477
    • 2004-03-26
    • Takashi IkedaYoshitaka KurosakaKoji IshiiHideyuki Kanayama
    • Takashi IkedaYoshitaka KurosakaKoji IshiiHideyuki Kanayama
    • G03B21/28G02B5/04
    • H04N9/3105H04N9/315
    • A color separating and mixing element comprises, in its transparent cube, a first optical function surface formed on a dividing surface for dividing the cube into two triangular prisms and a second optical function surface formed on another dividing surface. The first optical function surface has the function of transmitting both P-polarized light and S-polarized light with respect to red light, has the function of transmitting both P-polarized light and S-polarized light with respect to green light, and has the function of transmitting P-polarized light and reflecting S-polarized light with respect to blue light. The second optical function surface has the function of transmitting P-polarized light and reflecting S-polarized light with respect to red light, has the function of transmitting P-polarized light and reflecting S-polarized light with respect to green light, and has the function of transmitting both P-polarized light and S-polarized light with respect to blue light.
    • 颜色分离和混合元件在其透明立方体中包括形成在分割表面上的用于将立方体分成两个三角形棱镜的第一光学功能表面和形成在另一分割表面上的第二光学功能表面。 第一光学功能表面具有相对于红光传输P偏振光和S偏振光的功能,具有相对于绿光传输P偏振光和S偏振光的功能,并且具有 发射P偏振光并相对于蓝光反射S偏振光的功能。 第二光学功能表面具有透射P偏振光并相对于红光反射S偏振光的功能,具有透射P偏振光并相对于绿光反射S偏振光的功能,并且具有 相对于蓝光发射P偏振光和S偏振光的功能。