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    Backlight device and liquid crystal display apparatus
    2.
    发明授权
    Backlight device and liquid crystal display apparatus 有权
    背光装置和液晶显示装置

    公开(公告)号：US08783932B2

    公开(公告)日：2014-07-22

    申请号：US13641052

    申请日：2011-04-14

    申请人： Rena Nishitani ,  Tomohiro Sasagawa ,  Eiji Niikura ,  Kuniko Kojima ,  Jun Someya ,  Hiroaki Sugiura ,  Kazuhiko Tsutsumi ,  Akihiro Nagase

    发明人： Rena Nishitani ,  Tomohiro Sasagawa ,  Eiji Niikura ,  Kuniko Kojima ,  Jun Someya ,  Hiroaki Sugiura ,  Kazuhiko Tsutsumi ,  Akihiro Nagase

    IPC分类号： F21V7/04

    CPC分类号： G02F1/133615 ,  G02B6/002 ,  G02B6/003 ,  G02B6/0036 ,  G02B6/0061 ,  G02B6/0068 ,  G02B6/0076 ,  G02F2001/133614 ,  G02F2001/133624

    摘要： A planar light source device includes a first light source for emitting a first light ray having a punctate spatial luminance distribution; a second light source for emitting a second light ray; a first spatial luminance distribution conversion portion for changing the first light ray to a linear spatial luminance distribution; a second spatial luminance distribution conversion portion for changing a spatial luminance distribution of the first and second light rays to a planar spatial luminance distribution; wherein the first light ray is a laser light; the second light ray has a divergence angle larger than the divergence angle of the first light ray when the first light ray is emitted from the first light source; and a slow-axis direction of the first light ray entering the second spatial luminance distribution conversion portion is parallel to an outgoing direction of the planar light.

    摘要翻译： 平面光源装置包括用于发射具有点状空间亮度分布的第一光线的第一光源; 用于发射第二光线的第二光源; 用于将第一光线改变为线性空间亮度分布的第一空间亮度分布转换部分; 用于将第一和第二光线的空间亮度分布改变为平面空间亮度分布的第二空间亮度分布转换部分; 其中所述第一光线是激光; 当从第一光源发射第一光线时，第二光线具有大于第一光线的发散角的发散角; 并且进入第二空间亮度分布变换部的第一光线的慢轴方向与平面光的出射方向平行。

    LIQUID CRYSTAL DISPLAY DEVICE
    3.
    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。

    BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE
    4.
    发明申请
    BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
    背光和液晶显示装置

    公开(公告)号：US20140085570A1

    公开(公告)日：2014-03-27

    申请号：US14123025

    申请日：2012-03-14

    申请人： Muneharu Kuwata ,  Rena Nishitani ,  Nami Nakano ,  Kuniko Kojima

    发明人： Muneharu Kuwata ,  Rena Nishitani ,  Nami Nakano ,  Kuniko Kojima

    IPC分类号： G02F1/1335 ,  F21V8/00

    CPC分类号： G02F1/133615 ,  G02B6/005 ,  G02B6/0053 ,  G02B6/0061

    摘要： An objective is to obtain a backlight in which a decrease in brightness at a peripheral portion associated with the change of viewing distance is reduced. The backlight is comprised with an optical member 107 for transforming beams projected from light sources 117A and 117B into beams having a narrow-angle light distribution in which rays having intensity of no less than a predetermined value are localized within a predetermined angle range centered in the normal direction of a display surface 106b of a liquid crystal display panel 106, and for projecting the transformed beams in the direction of the liquid crystal display panel 106; and a light distribution control member 83 for receiving the beams that are projected from the optical member 107 and that have the narrow-angle light distribution, and for projecting the received beams in the direction of the liquid crystal display panel 106, wherein a plurality of concaves 109 are provided at the light distribution control member 83 for transforming a beam, from among the beams having the narrow-angle light distribution, that enters a peripheral portion of the liquid crystal display panel 106 so that the narrow-angle light distribution of the entered beam is broadened compared to that of a beam that enters a central portion of the liquid crystal display panel 106; and curvature radiuses of the plurality of concaves are formed so that a curvature radius of a concave located at a peripheral portion of the light distribution control member 83 is smaller than a curvature radius of a concave located at a central portion of the light distribution control member 83.

    摘要翻译： 目的是获得与观看距离变化相关联的周边部分的亮度降低减小的背光源。 背光源包括用于将从光源117A和117B投影的光束变换成具有窄角度光分布的光束的光学部件107，其中强度不小于预定值的光线定位在以 液晶显示面板106的显示面106b的法线方向，并且使变形光束向液晶显示面板106的方向突出; 以及配光控制构件83，用于接收从光学构件107突出并且具有窄角度光分布的光束，并且用于将接收的光束投影在液晶显示面板106的方向上，其中多个 凹部109设置在配光控制部件83上，用于从入射到液晶显示面板106的周边部分的具有窄角度分布的光束中变换光束，使得光束的窄角度光分布 与进入液晶显示面板106的中心部分的光束相比，进入的光束变宽; 并且形成多个凹部的曲率半径，使得位于配光控制部件83的周缘部的凹部的曲率半径小于位于配光控制部件的中央部的凹部的曲率半径 83。

    SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
    5.
    发明申请
    SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS 有权
    表面光源装置和液晶显示装置

    公开(公告)号：US20130322114A1

    公开(公告)日：2013-12-05

    申请号：US13980615

    申请日：2012-01-17

    申请人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    发明人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    IPC分类号： F21V8/00

    CPC分类号： G02B6/0075 ,  G02B6/0018 ,  G02B6/0025 ,  G02B6/0028 ,  G02B6/0031 ,  G02B6/0036 ,  G02B6/0051 ,  G02B6/0061 ,  G02B6/0068 ,  G02F1/133615

    摘要： A surface light source device includes a surface light-emitting light-guiding unit; an LED light source disposed at an outside position on a side of a direction of the light incident surface; a plurality of laser light sources disposed at an outside position on a side of a direction of a rear surface of the surface light-emitting light-guiding unit; and a laser-light-ray guiding unit arranged on a side of a rear surface of the surface light-emitting light-guiding unit. The laser-light-ray guiding unit guides the laser light rays emitted from the laser light sources so that the laser light rays enter through a light incident end surface, travel in a direction opposite to a direction in which the LED light source emits the LED light ray, and thereafter are reflected by a light bending part to enter through the light incident surface of the surface light-emitting light-guiding unit.

    摘要翻译： 面光源装置包括表面发光导光单元; LED光源，其设置在所述光入射面的方向的一侧的外侧位置; 多个激光源，其设置在所述面状发光导光部的背面的一侧的外侧位置; 以及配置在面发光导光部的背面的一侧的激光光线引导部。 激光光线引导单元引导从激光源射出的激光，使得激光入射到入射端面，与LED光源发射LED的方向相反的方向行进 光线，然后被光弯曲部反射，通过面状发光导光部的光入射面进入。

    Surface light source device and liquid crystal display device
    6.
    发明授权
    Surface light source device and liquid crystal display device 有权
    表面光源装置和液晶显示装置

    公开(公告)号：US09103950B2

    公开(公告)日：2015-08-11

    申请号：US13985551

    申请日：2012-02-09

    申请人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    发明人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    IPC分类号： F21V8/00

    CPC分类号： G02B6/0011 ,  G02B6/0028 ,  G02B6/0036 ,  G02B6/0061 ,  G02B6/0076

    摘要： An angular intensity distribution shaping member includes a first surface for receiving a light beam emitted from a light source, the first surface having a length in a width direction that is longer than that in a thickness direction; second surfaces forming a plate-shaped light path on which the light beam incident from the first surface propagates by total reflection, the second surfaces including at least one adjustment surface for spreading a full angle of an angular intensity distribution, in the width direction, of the light beam incident from the first surface so that the full angle becomes wider than that of the angular intensity distribution of the light beam just after emission from the light source; and a third surface through which the light beam exits, the full angle of its angular intensity distribution in the width direction having been widened by the at least one adjustment surface.

    摘要翻译： 角度强度分布整形构件包括用于接收从光源发射的光束的第一表面，所述第一表面在宽度方向上的长度比在厚度方向上长的长度; 形成从第一表面入射的光束通过全反射传播的板状光路的第二表面，第二表面包括用于在宽度方向上扩展角度强度分布的全角度的至少一个调整表面 所述光束从所述第一表面入射，使得所述全角变得比刚刚从所述光源发射之后的所述光束的角度强度分布的宽度变宽; 以及光束离开的第三表面，其宽度方向上的角度强度分布的全角已被所述至少一个调节表面加宽。

    Surface light source device and liquid crystal display apparatus
    7.
    发明授权
    Surface light source device and liquid crystal display apparatus 有权
    表面光源装置和液晶显示装置

    公开(公告)号：US08998474B2

    公开(公告)日：2015-04-07

    申请号：US13980615

    申请日：2012-01-17

    申请人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    发明人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    IPC分类号： F21V8/00 ,  G02F1/1335

    CPC分类号： G02B6/0075 ,  G02B6/0018 ,  G02B6/0025 ,  G02B6/0028 ,  G02B6/0031 ,  G02B6/0036 ,  G02B6/0051 ,  G02B6/0061 ,  G02B6/0068 ,  G02F1/133615

    摘要： A surface light source device includes a surface light-emitting light-guiding unit; an LED light source disposed at an outside position on a side of a direction of the light incident surface; a plurality of laser light sources disposed at an outside position on a side of a direction of a rear surface of the surface light-emitting light-guiding unit; and a laser-light-ray guiding unit arranged on a side of a rear surface of the surface light-emitting light-guiding unit. The laser-light-ray guiding unit guides the laser light rays emitted from the laser light sources so that the laser light rays enter through a light incident end surface, travel in a direction opposite to a direction in which the LED light source emits the LED light ray, and thereafter are reflected by a light bending part to enter through the light incident surface of the surface light-emitting light-guiding unit.

    摘要翻译： 面光源装置包括表面发光导光单元; LED光源，其设置在所述光入射面的方向的一侧的外侧位置; 多个激光源，其设置在所述面状发光导光部的背面的一侧的外侧位置; 以及配置在面发光导光部的背面的一侧的激光光线引导部。 激光光线引导单元引导从激光源射出的激光，使得激光入射到入射端面，与LED光源发射LED的方向相反的方向行进 光线，然后被光弯曲部反射，通过面状发光导光部的光入射面进入。

    SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
    9.
    发明申请
    SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE 有权
    表面光源装置和液晶显示装置

    公开(公告)号：US20130322111A1

    公开(公告)日：2013-12-05

    申请号：US13985551

    申请日：2012-02-09

    申请人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    发明人： Rena Nishitani ,  Nami Nakano ,  Shuichi Kagawa ,  Muneharu Kuwata ,  Kuniko Kojima

    IPC分类号： F21V8/00

    CPC分类号： G02B6/0011 ,  G02B6/0028 ,  G02B6/0036 ,  G02B6/0061 ,  G02B6/0076

    摘要： An angular intensity distribution shaping member includes a first surface for receiving a light beam emitted from a light source, the first surface having a length in a width direction that is longer than that in a thickness direction; second surfaces forming a plate-shaped light path on which the light beam incident from the first surface propagates by total reflection, the second surfaces including at least one adjustment surface for spreading a full angle of an angular intensity distribution, in the width direction, of the light beam incident from the first surface so that the full angle becomes wider than that of the angular intensity distribution of the light beam just after emission from the light source; and a third surface through which the light beam exits, the full angle of its angular intensity distribution in the width direction having been widened by the at least one adjustment surface.

    摘要翻译： 角度强度分布整形构件包括用于接收从光源发射的光束的第一表面，所述第一表面在宽度方向上的长度比在厚度方向上长的长度; 形成从第一表面入射的光束通过全反射传播的板状光路的第二表面，第二表面包括用于在宽度方向上扩展角度强度分布的全角度的至少一个调整表面 所述光束从所述第一表面入射，使得所述全角变得比刚刚从所述光源发射之后的所述光束的角度强度分布的宽度变宽; 以及光束离开的第三表面，其宽度方向上的角度强度分布的全角已被所述至少一个调节表面加宽。

    Projection-type display apparatus
    10.
    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。