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    Light-diffusion member, manufacturing method thereof, and display device
    1.
    发明授权
    Light-diffusion member, manufacturing method thereof, and display device 有权
    光扩散部件及其制造方法以及显示装置

    公开(公告)号：US09274255B2

    公开(公告)日：2016-03-01

    申请号：US13880181

    申请日：2011-10-18

    申请人： Emi Yamamoto ,  Toru Kanno ,  Hidefumi Yoshida ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    发明人： Emi Yamamoto ,  Toru Kanno ,  Hidefumi Yoshida ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    IPC分类号： G02F1/1335 ,  G02B5/02 ,  B29D11/00 ,  G06F3/041 ,  G02F1/1333

    CPC分类号： G02B5/0268 ,  B29D11/00798 ,  G02B5/021 ,  G02B5/0221 ,  G02B5/0231 ,  G02F1/13338 ,  G02F1/133504 ,  G06F3/0412

    摘要： A light-diffusion member includes a substrate having light transparency, a plurality of light-diffusion parts formed on one surface of the substrate, and a light-absorbing layer formed in a region other than a region where the light-diffusion parts are formed, among the one surface of the substrate. Each light-diffusion part includes a light-emission end surface on the side of the substrate and a light-incident end surface of an area larger than an area of the light-emission end surface on a side opposite to the side of the substrate. The height from the light-incident end surface of the light-diffusion part to the light-emission end surface thereof is larger than the thickness of the light-absorbing layer. The plurality of light-diffusion parts are randomly arranged on the one surface of the substrate.

    摘要翻译： 光扩散构件包括具有透光性的基板，形成在基板的一个表面上的多个光扩散部分和形成在除了形成有光扩散部分的区域之外的区域中的光吸收层， 在基板的一个表面中。 每个光扩散部分包括在基板一侧上的发光端面和在与基板侧相反的一侧上的发光端面的面积的面积的光入射端面。 从光扩散部的光入射端面到其发光端面的高度大于光吸收层的厚度。 多个光扩散部件被随机地布置在基板的一个表面上。

    LIGHT DIFFUSION MEMBER, METHOD OF MANUFACTURING SAME, AND DISPLAY DEVICE
    4.
    发明申请
    LIGHT DIFFUSION MEMBER, METHOD OF MANUFACTURING SAME, AND DISPLAY DEVICE 有权
    光扩散部件，其制造方法和显示装置

    公开(公告)号：US20130329401A1

    公开(公告)日：2013-12-12

    申请号：US14001736

    申请日：2012-03-01

    申请人： Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda

    发明人： Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda

    IPC分类号： F21V13/12 ,  F21V13/02

    CPC分类号： F21V13/12 ,  F21V13/02 ,  G02B5/0247 ,  G02F1/133504 ,  G02F2001/133562

    摘要： A light diffusion member includes a light-transmissive base, a plurality of light diffusion portions, a connecting portion, and a light absorbing layer. The light diffusion portions are arranged on one surface of the base and have light-incident end surfaces each positioned on the side away from the base and having a larger area than a light-emergent end surface thereof. The connecting portion connects at least two adjacent ones of the plural light diffusion portions to each other, and is positioned near the light-incident end surfaces of the adjacent light diffusion portions. The light absorbing layer is formed on the one surface of the base in a region different from a region where the light diffusion portions are formed. A size from the light-incident end surface to the light-emergent end surface of the light diffusion portion is larger than a thickness of the light absorbing layer.

    摘要翻译： 光扩散构件包括透光基底，多个光扩散部分，连接部分和光吸收层。 光扩散部分布置在基座的一个表面上，并且具有各自位于远离基座的一侧的光入射端面，并且具有比其发光端面更大的面积。 连接部将多个光扩散部中的至少两个相邻的光扩散部彼此连接，并且位于相邻的光扩散部的光入射端面附近。 光吸收层形成在与形成光扩散部的区域不同的区域的基底的一个表面上。 从光入射端面到光扩散部的发光端面的尺寸大于光吸收层的厚度。

    Display device having an improved viewing angle and production thereof
    5.
    发明授权
    Display device having an improved viewing angle and production thereof 有权
    具有改进视角的显示装置及其制造

    公开(公告)号：US08827474B2

    公开(公告)日：2014-09-09

    申请号：US13805411

    申请日：2011-04-14

    申请人： Emi Yamamoto ,  Tsuyoshi Maeda ,  Toru Kanno

    发明人： Emi Yamamoto ,  Tsuyoshi Maeda ,  Toru Kanno

    IPC分类号： F21V11/00 ,  F21V9/14 ,  G02B5/02 ,  G02F1/1335 ,  G02F1/1333

    CPC分类号： F21V11/00 ,  F21V9/14 ,  G02B5/0215 ,  G02F1/13338 ,  G02F1/133504 ,  G02F1/133524 ,  G02F2001/133311 ,  G02F2001/133562

    摘要： A display devices includes a light diffusing sheet and a display section. The display section includes a backlight section, and a liquid crystal panel that serves as a liquid crystal display element section. The backlight section includes a light source such as a light emitting diode or a cold-cathode tube, and a light guide plate for guiding, to the liquid crystal display element section, light which is emitted from the light source and is subjected to internal reflection. The light diffusing sheet is configured by forming, on a substrate, a plurality of light diffusing sections each having an inverse tapered shape. In the display device, the light diffusing sheet is provided on a front surface of the display section such that the substrate is located on a light exit surface side of the light diffusing sheet.

    摘要翻译： 显示装置包括光漫射片和显示部。 显示部分包括背光部分和用作液晶显示元件部分的液晶面板。 背光部分包括诸如发光二极管或冷阴极管的光源和用于将从光源发射并经受内反射的光引导到液晶显示元件部分的导光板 。 光扩散片通过在基板上形成各自具有倒锥形的多个光漫射部来构成。 在显示装置中，光扩散片设置在显示部的前表面上，使得基板位于光漫射片的光出射面侧。

    LIGHT-DIFFUSION MEMBER, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
    6.
    发明申请
    LIGHT-DIFFUSION MEMBER, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE 有权
    光扩散构件，其制造方法和显示装置

    公开(公告)号：US20140160410A1

    公开(公告)日：2014-06-12

    申请号：US13880181

    申请日：2011-10-18

    申请人： Emi Yamamoto ,  Toru Kanno ,  Hidefumi Yoshida ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    发明人： Emi Yamamoto ,  Toru Kanno ,  Hidefumi Yoshida ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    IPC分类号： G02B5/02 ,  G02F1/1335

    CPC分类号： G02B5/0268 ,  B29D11/00798 ,  G02B5/021 ,  G02B5/0221 ,  G02B5/0231 ,  G02F1/13338 ,  G02F1/133504 ,  G06F3/0412

    摘要： A light-diffusion member includes a substrate having light transparency, a plurality of light-diffusion parts formed on one surface of the substrate, and a light-absorbing layer formed in a region other than a region where the light-diffusion parts are formed, among the one surface of the substrate. Each light-diffusion part includes a light-emission end surface on the side of the substrate and a light-incident end surface of an area larger than an area of the light-emission end surface on a side opposite to the side of the substrate. The height from the light-incident end surface of the light-diffusion part to the light-emission end surface thereof is larger than the thickness of the light-absorbing layer. The plurality of light-diffusion parts are randomly arranged on the one surface of the substrate.

    摘要翻译： 光扩散构件包括具有透光性的基板，形成在基板的一个表面上的多个光扩散部分和形成在除了形成有光扩散部分的区域之外的区域中的光吸收层， 在基板的一个表面中。 每个光扩散部分包括在基板一侧上的发光端面和在与基板侧相反的一侧上的发光端面的面积的面积的光入射端面。 从光扩散部的光入射端面到其发光端面的高度大于光吸收层的厚度。 多个光扩散部件被随机地布置在基板的一个表面上。

    DISPLAY DEVICE AND PRODUCTION METHOD THEREOF
    8.
    发明申请
    DISPLAY DEVICE AND PRODUCTION METHOD THEREOF 有权
    显示装置及其制作方法

    公开(公告)号：US20130094174A1

    公开(公告)日：2013-04-18

    申请号：US13805411

    申请日：2011-04-14

    申请人： Emi Yamamoto ,  Tsuyoshi Maeda ,  Toru Kanno

    发明人： Emi Yamamoto ,  Tsuyoshi Maeda ,  Toru Kanno

    IPC分类号： F21V11/00 ,  F21V9/14

    CPC分类号： F21V11/00 ,  F21V9/14 ,  G02B5/0215 ,  G02F1/13338 ,  G02F1/133504 ,  G02F1/133524 ,  G02F2001/133311 ,  G02F2001/133562

    摘要： A display device (1) includes a light diffusing sheet (10) and a display section (5). The display section (5) includes a backlight section, and a liquid crystal panel that serves as a liquid crystal display element section. The backlight section includes a light source such as a light emitting diode or a cold-cathode tube, and a light guide plate for guiding, to the liquid crystal display element section, light which is emitted from the light source and is subjected to internal reflection. The light diffusing sheet (10) is configured by forming, on a substrate (6), a plurality of light diffusing sections (7) each having an inverse tapered shape. In the display device (1), the light diffusing sheet (10) is provided on a front surface of the display section (5) such that the substrate (6) is located on a light exit surface side of the light diffusing sheet (10). It follows that the substrate (6) covers a forefront surface of the display device (1). It is therefore possible to, for example, prevent the display device (1) from being contaminated or prevent the plurality of light diffusing sections (7) from being damaged.

    摘要翻译： 显示装置（1）包括光漫射片（10）和显示部（5）。 显示部分（5）包括背光部分和用作液晶显示元件部分的液晶面板。 背光部分包括诸如发光二极管或冷阴极管的光源和用于将从光源发射并经受内部反射的光引导到液晶显示元件部分的导光板 。 光漫射片（10）通过在基板（6）上形成多个具有倒锥形的光散射部（7）而构成。 在显示装置（1）中，在显示部（5）的前表面设置有光扩散片（10），使得基板（6）位于光漫射片（10）的光出射面侧 ）。 因此，衬底（6）覆盖显示装置（1）的最前面。 因此，例如可以防止显示装置（1）被污染或防止多个光散射部（7）被损坏。

    Light diffusion member, method of manufacturing same, and display device
    9.
    发明授权
    Light diffusion member, method of manufacturing same, and display device 有权
    光扩散部件及其制造方法以及显示装置

    公开(公告)号：US09341345B2

    公开(公告)日：2016-05-17

    申请号：US14001736

    申请日：2012-03-01

    申请人： Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda

    发明人： Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda

    IPC分类号： G02F1/1335 ,  F21V13/12 ,  F21V13/02 ,  G02B5/02

    CPC分类号： F21V13/12 ,  F21V13/02 ,  G02B5/0247 ,  G02F1/133504 ,  G02F2001/133562

    摘要： A light diffusion member includes a light-transmissive base, a plurality of light diffusion portions, a connecting portion, and a light absorbing layer. The light diffusion portions are arranged on one surface of the base and have light-incident end surfaces each positioned on the side away from the base and having a larger area than a light-emergent end surface thereof. The connecting portion connects at least two adjacent ones of the plural light diffusion portions to each other, and is positioned near the light-incident end surfaces of the adjacent light diffusion portions. The light absorbing layer is formed on the one surface of the base in a region different from a region where the light diffusion portions are formed. A size from the light-incident end surface to the light-emergent end surface of the light diffusion portion is larger than a thickness of the light absorbing layer.

    摘要翻译： 光扩散构件包括透光基底，多个光扩散部分，连接部分和光吸收层。 光扩散部分布置在基座的一个表面上，并且具有各自位于远离基座的一侧的光入射端面，并且具有比其发光端面更大的面积。 连接部将多个光扩散部中的至少两个相邻的光扩散部彼此连接，并且位于相邻的光扩散部的光入射端面附近。 光吸收层形成在与形成光扩散部的区域不同的区域的基底的一个表面上。 从光入射端面到光扩散部的发光端面的尺寸大于光吸收层的厚度。

    Light diffusing member and method of manufacturing the same, and display device
    10.
    发明授权
    Light diffusing member and method of manufacturing the same, and display device 有权
    光扩散部件及其制造方法以及显示装置

    公开(公告)号：US08926157B2

    公开(公告)日：2015-01-06

    申请号：US13993821

    申请日：2011-12-08

    申请人： Tokiyoshi Umeda ,  Hidefumi Yoshida ,  Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    发明人： Tokiyoshi Umeda ,  Hidefumi Yoshida ,  Emi Yamamoto ,  Toru Kanno ,  Tsuyoshi Maeda ,  Tsuyoshi Kamada

    IPC分类号： F21V7/04 ,  G02B5/02 ,  G02F1/1335

    CPC分类号： G02B5/0215 ,  G02B5/0247 ,  G02B5/0278 ,  G02F1/133504 ,  G02F1/133606

    摘要： A light diffusing member includes a base material having a light transmitting property; a plurality of light blocking sections that are formed in a scattered manner at one surface of the base material; and a light transmissive material layer that is formed at the one surface of the base material. A thickness of the light transmissive material layer is larger than a thickness of each light blocking section. The light transmissive material layer has hollow portions in regions where the light blocking sections are formed. Each hollow portion has a shape in which a cross-section area when each hollow portion is cut at a plane that is parallel to the one surface of the base material is large on a side of the corresponding light blocking section and becomes gradually smaller with increasing distance from the corresponding light blocking section. A portion of the light transmissive material layer other than where the hollow portions are formed is a light transmitting section.

    摘要翻译： 光扩散构件包括具有透光性的基材; 在所述基材的一个表面上分散形成的多个遮光部; 以及形成在基材的一个表面的透光材料层。 透光材料层的厚度大于每个遮光部分的厚度。 透光材料层在形成有遮光部的区域中具有中空部。 每个中空部分具有这样一种形状，其中在平行于基材的一个表面的平面上切割每个中空部分的横截面面积在相应的遮光部分的一侧较大，随着增加逐渐变小 距离相应的遮光部分。 除了形成中空部分之外的透光材料层的一部分是透光部分。