Plane light source device and display device provided with the same
    22.
    发明授权
    Plane light source device and display device provided with the same 失效
    平面光源装置及其设置的显示装置

    公开(公告)号:US07364336B2

    公开(公告)日:2008-04-29

    申请号:US10903296

    申请日:2004-07-30

    IPC分类号: F21V8/00

    摘要: The present invention aims to provide a plane light source device having enhanced efficiency of use of light and high brightness uniformity.A plane light source device of the present invention is provided with a housing having an opening section, a scattering plate arranged at the opening section for scattering incoming light and a light source arranged at one side face in the housing, wherein a regular reflection section for regularly reflecting light incoming from the light source is provided in the vicinity of the light source at the bottom surface of the housing that is opposite to the scattering plate and a scatter reflection section for irregularly reflecting light incoming from the light source is provided so as to be adjacent to the regular reflection section.

    摘要翻译: 本发明的目的在于提供一种具有增强的光的使用效率和高亮度均匀性的平面光源装置。 本发明的平面光源装置具有壳体,该壳体具有开口部,布置在开口部处的用于散射入射光的散射板和布置在壳体中的一个侧面处的光源,其中,用于 设置在与散射板相对的壳体的底面处的光源附近的规则反射的光,并且设置用于不规则地反射从光源入射的光的散射反射部,以便 与正反射部分相邻。

    SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE USING THE SAME
    23.
    发明申请
    SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE USING THE SAME 有权
    表面光源装置和使用其的显示装置

    公开(公告)号:US20070147073A1

    公开(公告)日:2007-06-28

    申请号:US11609488

    申请日:2006-12-12

    IPC分类号: F21V7/04

    摘要: A surface light source device according to the invention includes a housing having an opening portion on at least one face, an LED light source held by one face of the housing opposing the opening portion, and a light guiding plate arranged at a position so as to cover the opening portion and the LED light source, wherein the light guiding plate includes a recess provided at a position corresponding to the LED light source for storing a part of the LED light source, and light quantity adjusting means provided at a bottom part of the recess for adjusting light from the LED light source, and the light quantity adjusting means includes a reflection sheet having a reflection function and a transmission function in which a total light transmittance t satisfies t≧πr2 cos θ/{(1−cos θ)(S−πr2)}, supposing that an average radius is defined as r, a distance from the LED light source is defined as H, a light-emitting area of the LED light source is defined as S, and a total light quantity is defined as L.

    摘要翻译: 根据本发明的表面光源装置包括壳体,其在至少一个面上具有开口部分,由与壳体的开口部分相对的壳体的一个面保持的LED光源和布置在一个位置上的导光板, 覆盖开口部和LED光源,其中,所述导光板包括设置在与用于存储所述LED光源的一部分的所述LED光源对应的位置处的凹部,以及设置在所述LED光源的底部的光量调节装置 用于调节来自LED光源的光的凹部,光量调节装置包括具有反射功能和透射功能的反射片,其中总透光率t满足t> = pir 2cosθ / {(1-cosθ)(S-pir 2)},假设平均半径被定义为r,则与LED光源的距离被定义为H,发光面积 的LED光源被定义为S,a d总光量定义为L.

    Planar light source device and display device using the same
    24.
    发明授权
    Planar light source device and display device using the same 有权
    平面光源装置及其使用的显示装置

    公开(公告)号:US07229198B2

    公开(公告)日:2007-06-12

    申请号:US10560529

    申请日:2004-06-14

    IPC分类号: F21V33/00

    摘要: To obtain a planar light source which is free from brightness variations or chromaticity variations by using a point light source having a high directivity for emitted light, and to provide a liquid crystal display device capable of obtaining superior display characteristics by using this planar light source device. A planar light source device having an opening in the upper surface comprises a hollow box, a diffusion plate disposed in the opening, a reflecting plate disposed on the bottom of the hollow region of the box, and a plurality of point light sources disposed in a row along at least one side surface of the box. This planar light sources device is characterized by including a refracting element disposed parallel to the row of point light sources and between the point light sources and the hollow region for refracting the light from the point light sources, whereby the light at an incident angle at which the brightness is greatest in the luminous intensity distribution of the light radiated to the irradiation subject surface of the refracting element is refracted to the bottom surface of the box by the refracting element.

    摘要翻译: 为了获得通过使用具有高发射光方向性的点光源而没有亮度变化或色度变化的平面光源,并且提供能够通过使用该平面光源装置获得优异的显示特性的液晶显示装置 。 在上表面具有开口的平面光源装置包括中空盒,设置在开口中的扩散板,设置在盒的中空区域的底部的反射板和设置在盒的中空区域中的多个点光源 沿着盒子的至少一个侧表面排列。 这种平面光源装置的特征在于包括平行于一列点光源并且在点光源和中空区域之间设置的折射元件,用于折射来自点光源的光,由此,入射角处的光以 通过折射元件将辐射到折射元件的照射对象表面的光的发光强度分布折射到盒的底面,亮度最大。

    Planar light source device and display device using the same
    25.
    发明申请
    Planar light source device and display device using the same 有权
    平面光源装置及使用其的显示装置

    公开(公告)号:US20060181901A1

    公开(公告)日:2006-08-17

    申请号:US10560529

    申请日:2004-06-14

    IPC分类号: F21V7/04

    摘要: To obtain a planar light source which is free from brightness variations or chromaticity variations by using a point light source having a high directivity for emitted light, and to provide a liquid crystal display device capable of obtaining superior display characteristics by using this planar light source device. A planar light source device having an opening in the upper surface comprises a hollow box, a diffusion plate disposed in the opening, a reflecting plate disposed on the bottom of the hollow region of the box, and a plurality of point light sources disposed in a row along at least one side surface of the box. This planar light sources device is characterized by including a refracting element disposed parallel to the row of point light sources and between the point light sources and the hollow region for refracting the light from the point light sources, whereby the light at an incident angle at which the brightness is greatest in the luminous intensity distribution of the light radiated to the irradiation subject surface of the refracting element is refracted to the bottom surface of the box by the refracting element.

    摘要翻译: 为了获得通过使用具有高发射光方向性的点光源而没有亮度变化或色度变化的平面光源,并且提供能够通过使用该平面光源装置获得优异的显示特性的液晶显示装置 。 在上表面具有开口的平面光源装置包括中空盒,设置在开口中的扩散板,设置在盒的中空区域的底部的反射板和设置在盒的中空区域中的多个点光源 沿着盒子的至少一个侧表面排列。 这种平面光源装置的特征在于包括平行于一列点光源并且在点光源和中空区域之间设置的折射元件,用于折射来自点光源的光,由此,入射角处的光以 通过折射元件将辐射到折射元件的照射对象表面的光的发光强度分布折射到盒的底面,亮度最大。

    Display device
    26.
    发明申请
    Display device 有权
    显示设备

    公开(公告)号:US20060132673A1

    公开(公告)日:2006-06-22

    申请号:US11243452

    申请日:2005-10-05

    IPC分类号: G02F1/1335

    CPC分类号: G02F1/133615

    摘要: A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation the transmission liquid crystal panel.

    摘要翻译: 显示装置包括导光板,该导光板在两个相对端面处包括光透射部分和抗反射部分,并且在一部分表面上设置有光提取部分,各个光源布置在两个外侧 相邻端面,位于与光提取部相邻的透射型液晶面板,以及同步驱动单元,其交替地接通光源,并且显示与透射型液晶面板的交替接通操作同步的图像。

    Surface light source device and liquid crystal display device
    27.
    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:US20060022935A1

    公开(公告)日:2006-02-02

    申请号:US11190949

    申请日:2005-07-28

    IPC分类号: G09G3/36

    摘要: A surface light source device includes light source driving means for driving light sources on a light emission block basis, a light exit area being sectioned into two or more light emission blocks, light quantity detecting means for detecting light quantities on the basis of output light beams that are led out from the two or more light emission blocks, and drive control means for adjusting emission light quantities of the light sources corresponding to the respective light emission blocks on the basis of light quantities that are detected during lighting periods when only one of the light emission blocks is lit up that are subjected to light quantity detection by the light quantity detecting means.

    摘要翻译: 面光源装置包括基于发光块驱动光源的光源驱动装置,被分成两个或更多个发光块的光出射区域,用于基于输出光束检测光量的光量检测装置 以及驱动控制装置,用于基于在点亮期间检测到的光量来调节与各个发光块对应的光源的发光量,当仅仅一个 发光块被点亮,由光量检测装置进行光量检测。

    Surface light source device
    28.
    发明申请
    Surface light source device 有权
    表面光源装置

    公开(公告)号:US20060007704A1

    公开(公告)日:2006-01-12

    申请号:US11176655

    申请日:2005-07-08

    IPC分类号: F21V7/04

    摘要: A surface light source device includes two or more point light sources that are arranged linearly, a light guide plate having an incident surface on which light emitted from each of the point light sources shines, for outputting input light from a front surface thereof, and light diffusing means provided on a back surface of the light guide plate, for diffusing light. The incident surface of the light guide plate is inclined toward a back side.

    摘要翻译: 一种面光源装置,包括直线状配置的两个以上的点光源,具有入射面的导光板,从各个点光源射出的光从该入射面射出,从其前表面输出输入光, 设置在导光板背面的扩散装置,用于漫射光。 导光板的入射面向后侧倾斜。