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    Projection-type display apparatus
    1.
    发明授权
    Projection-type display apparatus 失效
    投影型显示装置

    公开(公告)号：US08469525B2

    公开(公告)日：2013-06-25

    申请号：US12644731

    申请日：2009-12-22

    申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

    发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

    IPC分类号： G03B21/20

    CPC分类号： H04N9/3161 ,  G02B5/02 ,  G02B27/48 ,  G03B21/2033 ,  G03B21/2066 ,  G03B21/208 ,  H04N9/3102 ,  H04N9/3155

    摘要： A projection-type display apparatus that projects an image on a screen and performs image display includes at least one laser source that emits a coherent light beam, an illuminating optics that propagates the light beam emitted from the laser source into a predetermined optical path to guide the light beam to the screen, a reflective optical modulator that forms the image to be displayed on the screen on an illuminated surface illuminated by the light beam guided by the illuminating optics, and a projection optics that magnifies and projects the image formed on the illuminated surface of the reflective optical modulator on the screen. The illuminating optics includes a diffusion device, which diffuses the propagated light beam, and is arranged on a light propagation path near a conjugated position with the reflective optical modulator.

    摘要翻译： 将图像投影在屏幕上并执行图像显示的投影型显示装置包括发射相干光束的至少一个激光源，将从激光源发射的光束传播到预定光路中以引导的照明光学器件 向屏幕的光束，形成在由照明光学器件引导的光束照射的照明表面上要在屏幕上显示的图像的反射型光学调制器，以及投影光学器件，其放大并投射形成在照明 屏幕上的反光光学调制器的表面。 照明光学器件包括扩散装置，其扩散传播的光束，并且被布置在与反射型光学调制器接近共轭位置的光传播路径上。

    PROJECTION-TYPE DISPLAY APPARATUS
    2.
    发明申请
    PROJECTION-TYPE DISPLAY APPARATUS 失效
    投影型显示设备

    公开(公告)号：US20100165301A1

    公开(公告)日：2010-07-01

    申请号：US12644731

    申请日：2009-12-22

    申请人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

    发明人： Kuniko Kojima ,  Hayato Takeuchi ,  Tomohiro Sasagawa

    IPC分类号： G02B27/48 ,  G03B21/14

    CPC分类号： H04N9/3161 ,  G02B5/02 ,  G02B27/48 ,  G03B21/2033 ,  G03B21/2066 ,  G03B21/208 ,  H04N9/3102 ,  H04N9/3155

    摘要： A projection-type display apparatus that projects an image on a screen and performs image display includes at least one laser source that emits a coherent light beam, an illuminating optics that propagates the light beam emitted from the laser source into a predetermined optical path to guide the light beam to the screen, a reflective optical modulator that forms the image to be displayed on the screen on an illuminated surface illuminated by the light beam guided by the illuminating optics, and a projection optics that magnifies and projects the image formed on the illuminated surface of the reflective optical modulator on the screen. The illuminating optics includes a diffusion device, which diffuses the propagated light beam, and is arranged on a light propagation path near a conjugated position with the reflective optical modulator.

    摘要翻译： 将图像投影在屏幕上并执行图像显示的投影型显示装置包括发射相干光束的至少一个激光源，将从激光源发射的光束传播到预定光路中以引导的照明光学器件 向屏幕的光束，形成在由照明光学器件引导的光束照射的照明表面上要在屏幕上显示的图像的反射型光学调制器，以及投影光学器件，其放大并投射形成在照明 屏幕上的反光光学调制器的表面。 照明光学器件包括扩散装置，其扩散传播的光束，并且被布置在与反射型光学调制器接近共轭位置的光传播路径上。

    Image projector
    4.
    发明授权
    Image projector 失效
    图像投影仪

    公开(公告)号：US07677738B2

    公开(公告)日：2010-03-16

    申请号：US11587699

    申请日：2005-04-06

    申请人： Muneharu Kuwata ,  Tomohiro Sasagawa ,  Kuniko Kojima ,  Akihiro Yamada

    发明人： Muneharu Kuwata ,  Tomohiro Sasagawa ,  Kuniko Kojima ,  Akihiro Yamada

    IPC分类号： G03B21/28 ,  G02B3/00 ,  G02B9/00

    CPC分类号： G02B17/0852 ,  G02B13/16 ,  G02B17/08 ,  G03B21/10 ,  G03B21/28 ,  H04N5/7408 ,  H04N5/7458

    摘要： According to the present invention, an image projector includes a reflecting light valve, a group of refracting lenses forming a projecting optical system that enlarges and projects an optical image given from the light valve, a power mirror having a power and forming the projecting optical system together with the group of refracting lenses, and a transmissive screen for displaying the optical image that is given from the light valve and enlarged by the projecting optical system, wherein the exit pupil position is set such that the minimum angle of view θmin exceeds 40°, and the Petzval partial sum of lenses is set larger than a value determined by the minimum angle of view.

    摘要翻译： 根据本发明，图像投影仪包括反射光阀，形成投影光学系统的一组折射透镜，该投影光学系统从光阀放大并投影光学图像，具有电力的功率反射镜，并形成投影光学系统 与折射透镜组一起，以及用于显示从光阀给出并由投影光学系统放大的光学图像的透射屏幕，其中出射光瞳位置被设定为使得最小视角＆min; min超过 40°，并且透镜的Petzval部分和被设置为大于由最小视角确定的值。

    LIQUID CRYSTAL DISPLAY DEVICE
    6.
    发明申请
    LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
    液晶显示装置

    公开(公告)号：US20120235891A1

    公开(公告)日：2012-09-20

    申请号：US13513203

    申请日：2010-11-29

    申请人： Rena Nishitani ,  Tomohiro Sasagawa ,  Eiji Niikura ,  Muneharu Kuwata ,  Kuniko Kojima

    发明人： Rena Nishitani ,  Tomohiro Sasagawa ,  Eiji Niikura ,  Muneharu Kuwata ,  Kuniko Kojima

    IPC分类号： G09G3/36

    CPC分类号： G02B5/0231 ,  G02B3/0056 ,  G02B6/0036 ,  G02B6/0053 ,  G02B6/0076 ,  G02F1/1323 ,  G02F2001/133626

    摘要： A liquid crystal display device has a first backlight unit and a second backlight unit. The first backlight unit includes a first optical member that transmits light incident from the second backlight unit, converts light output from a light source to light having a narrow-angle directional distribution, and radiates the converted light toward the rear surface of the liquid crystal display panel. The second backlight unit includes a second optical member that converts light output from a light source to light having a wide-angle directional distribution, and radiates the converted light toward the rear surface of the liquid crystal display panel.

    摘要翻译： 液晶显示装置具有第一背光单元和第二背光单元。 第一背光单元包括透射从第二背光单元入射的光的第一光学构件，将从光源输出的光转换成具有窄角方向分布的光，并将转换的光朝向液晶显示器的后表面照射 面板。 第二背光单元包括将从光源输出的光转换成具有广角方向分布的光的第二光学构件，并将转换的光朝向液晶显示面板的后表面照射。

    Projection display apparatus
    7.
    发明授权
    Projection display apparatus 有权
    投影显示装置

    公开(公告)号：US07794093B2

    公开(公告)日：2010-09-14

    申请号：US11826506

    申请日：2007-07-16

    申请人： Kuniko Kojima ,  Tomohiro Sasagawa

    发明人： Kuniko Kojima ,  Tomohiro Sasagawa

    IPC分类号： G03B21/28 ,  G03B21/22 ,  G02B5/12 ,  G02B27/46

    CPC分类号： G03B21/208 ,  G02B27/0994 ,  G03B21/2046 ,  G03B33/08 ,  H04N9/3129 ,  H04N9/3152 ,  Y10S385/901

    摘要： A projection display apparatus includes a light source, a light intensity equalizing element, a reflective light valve, a relay optical system, and a projecting optical system; the light intensity equalizing element being an optical device in which a cross-sectional shape in a direction orthogonal to a central axis of the light has four corners; the cross-sectional shape of the light intensity equalizing element being determined in accordance with a rectangular ideal illumination area determined so as to include the image forming area on the reflective light valve, an illumination area on the reflective light valve when a reference light intensity equalizing element is assumed to be used, the reference light intensity equalizing element being rectangular in a cross-sectional shape in a direction orthogonal to the central light ray, and the cross-sectional shape of the reference light intensity equalizing element.

    摘要翻译： 投影显示装置包括光源，光强均衡元件，反射光阀，中继光学系统和投影光学系统; 所述光强均衡元件是其中与所述光的中心轴正交的方向上的横截面形状具有四个角的光学装置; 光强均衡元件的横截面形状根据被确定为包括反射光阀上的图像形成区域的矩形理想照明区域确定，反射光阀上的照明区域在参考光强度均衡时 假设使用元件，参考光强均衡元件在与中心光线正交的方向上呈截面形状为矩形，并且参考光强均衡元件的横截面形状。

    PROJECTION DISPLAY APPARATUS
    8.
    发明申请
    PROJECTION DISPLAY APPARATUS 审中-公开
    投影显示设备

    公开(公告)号：US20100220300A1

    公开(公告)日：2010-09-02

    申请号：US12710976

    申请日：2010-02-23

    申请人： Jun KONDO ,  Kuniko Kojima ,  Tomohiro Sasagawa

    发明人： Jun KONDO ,  Kuniko Kojima ,  Tomohiro Sasagawa

    IPC分类号： G03B21/14 ,  G03B21/28

    CPC分类号： G03B21/28 ,  G03B21/208

    摘要： Provided is a projection display apparatus capable of avoiding decreasing efficiency in the use of a light beam propagating from a light source, thereby to display a high-quality image. The projection display apparatus includes: a light source for emitting a coherent light beam; a light valve having an image-forming region for modulating a light beam propagating from the light source, thereby to generate and emit an image light beam; a lighting-optical system for guiding to the image-forming region the light beam propagating from the light source; a projection-optical system for enlarging and projecting the image light beam emitted by the image-forming region; and a diffusion device located in the lighting-optical system and in the vicinity of a position optically conjugated with the image-forming region. The diffusion device has a structure in which a plurality of microscopic optical elements is regularly arranged on a base plane perpendicular to a propagation direction of a light beam propagating from the light source.

    摘要翻译： 提供一种能够避免使用从光源传播的光束的效率降低的投影型显示装置，从而显示高质量的图像。 该投影显示装置包括：用于发射相干光束的光源; 光阀，具有用于调制从光源传播的光束的图像形成区域，从而产生并发射图像光束; 照明光学系统，用于将从光源传播的光束引导到图像形成区域; 投影光学系统，用于放大和投影由图像形成区域发射的图像光束; 以及位于照明光学系统中以及与图像形成区域光学共轭的位置附近的扩散装置。 扩散装置具有多个微观光学元件规则地布置在垂直于从光源传播的光束的传播方向的基底平面上的结构。