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    • 51. 发明授权
    • Image display device with optical low-pass filter
    • 具有光学低通滤波器的图像显示装置
    • US5737042A
    • 1998-04-07
    • US521477
    • 1995-08-30
    • Masayuki ShinoharaShigeru Aoyama
    • Masayuki ShinoharaShigeru Aoyama
    • G02B27/46G02F1/1335G09F9/00
    • G02B27/46G02F1/133504
    • An image display device is so adapted as to eliminate both largest and next largest noise components. The image display device includes an image display body having a plurality of pixels arranged periodically in two dimensions and an optical low-pass filter placed on or above the front surface of the image display body. One of two cut-off spatial frequencies in at least one direction of the optical low-pass filter is set within a range of values greater than 1/4 and less than 3/4 of a specific sampling frequency (that having the second lowest frequency) among sampling frequencies determined by the pixel arrangement of the image display body, and the other of the two cut-off spatial frequencies is set within a range of values greater than 3/4 and less than 5/4 of the specific sampling frequency, where the specific sampling frequency is taken as being 1.
    • 图像显示装置适于消除最大和最大噪声分量。 图像显示装置包括具有二维周期性排列的多个像素的图像显示体和位于图像显示体的前表面上方的光学低通滤波器。 在光学低通滤波器的至少一个方向上的两个截止空间频率之一被设置在大于+ E,fra 1/4 + EE且小于+ E的值的范围内,3/4 + EE 具有由图像显示体的像素排列确定的采样频率中的特定采样频率(具有第二最低频率),并且两个截止空间频率中的另一个被设置在大于+ E的值的范围内, 3/4 + EE,小于+ E,以5/4 + EE为特定采样频率,其中采样频率为1。
    • 55. 发明申请
    • AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
    • 区域光源装置和液晶显示装置
    • US20110216267A1
    • 2011-09-08
    • US13035180
    • 2011-02-25
    • Hiroyuki MiyamotoMasayuki ShinoharaKazuhide Hirota
    • Hiroyuki MiyamotoMasayuki ShinoharaKazuhide Hirota
    • G02F1/13357F21V7/22
    • F21V7/22
    • An area light source device has a light guide plate having a light incident surface and a light exit surface, wherein the light guide plate spreads light introduced from the light incident surface to substantially the entire light exit surface, and exits the light to outside from the light exit surface, and a linear light source arranged facing the light incident surface of the light guide plate. A diffusion pattern diffuses and reflects the light in the light guide plate within a surface parallel to the light incident surface is formed on the light exit surface of the light guide plate. A deflection pattern reflects the light in the light guide plate within a plane perpendicular to the light incident surface and the light exit surface to deflect the light in a direction perpendicular to the light exit surface little by little, and diffuses and reflects the light in the light guide plate within a surface parallel to at least the light incident surface is formed on a surface on the side opposite to the light exit surface of the light guide plate.
    • 区域光源装置具有具有光入射面和光出射面的导光板,其中,导光板将从光入射面导入的光扩散到大致整个光出射面,并将光从 光出射面和面对导光板的光入射面的线状光源。 在导光板的光出射面上形成扩散图案,使漫射面和与光入射面平行的面内的导光板反射。 偏转图案反射在与光入射面和光出射面垂直的平面内的导光板中的光,以使光沿垂直于光出射面的方向一点一点地偏转光,并使光在 在与导光板的光出射面相反的一侧的表面上形成有至少与光入射面平行的表面内的导光板。
    • 59. 发明授权
    • Surface light source equipment and apparatus using the same
    • 表面光源设备及其使用方法
    • US07507011B2
    • 2009-03-24
    • US11431943
    • 2006-05-10
    • Yoshihiro UenoKatsuyuki ManabeMasayuki Shinohara
    • Yoshihiro UenoKatsuyuki ManabeMasayuki Shinohara
    • F21V7/04
    • G02B6/0036G02B6/0028G02B6/0038G02B6/0046G02B6/0053G02B6/0061
    • A surface light source equipment includes a light source and a light conductive plate having a light outgoing surface from which a light introduced from the light source outgoes. The light conductive plate is configured so tat the outgoing light is spread across substantially the entire surface of the light outgoing surface, and a plurality of patterns for reflection of a light conducted in the light conductive plate is formed on an opposite surface to the light outgoing surface of the light conductive plate. The respective patterns are structurcd such that, as viewed from a direction perpendicular to the light outgoing surface, a light is incident from a substantially fixed direction determined for every pattern. Each of the patterns has an inclined surface on a light incident side. The inclined surface substantially wholly shields both side surfaces of the pattern, as viewed from a direction of light incidence.
    • 表面光源设备包括光源和具有从光源引入的光从该出射表面射出的光的导光板。 导光板被配置为使出射光散布在光出射表面的基本上整个表面上,并且在与光出射的相反的表面上形成用于在导光板中传导的光的反射的多个图案 导光板的表面。 各个图案的结构使得从垂直于光出射表面的方向观察,从每个图案确定的基本上固定的方向入射光。 每个图案在光入射侧具有倾斜表面。 从光入射方向观察,倾斜表面基本上完全屏蔽图案的两个侧表面。