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    • 6. 发明申请
    • LIGHT DIFFUSION SHEET AND LIQUID CRYSTAL DISPLAY DEVICE
    • 光扩散片和液晶显示装置
    • US20100245736A1
    • 2010-09-30
    • US12681411
    • 2008-09-26
    • Yusuke Nishiharalori AoyamaTokio TaguchiAkihiro YamamotoMasumi Kubo
    • Yusuke Nishiharalori AoyamaTokio TaguchiAkihiro YamamotoMasumi Kubo
    • G02F1/1335
    • G02B5/0278G02B5/0236G02F1/133504
    • A light diffusing layer 10 included in a light diffusing sheet and a liquid crystal display device of the present invention includes a plurality of low refractive index regions (second regions) 14 formed of a substance which has a low refractive index (second substance). The shape of each of the low refractive index regions in a cross section perpendicular to the major surface is approximated to an isosceles triangle where the base is on the viewer side and the vertex is on the liquid crystal display panel side. The plurality of low refractive index regions are arranged in a high refractive index region (first region) formed of a high refractive index substance (first substance) at a predetermined pitch P in at least one direction in a plane parallel to the major surface. The shape and size of the low refractive index regions satisfy a predetermined relationship, and therefore, light which is perpendicularly incident on the major surface undergoes total reflection only once inside the light diffusing layer before outgoing from the light diffusing layer toward the viewer side, and part of the light which is incident on the major surface at an oblique angle undergoes total reflection n or more times (n is an integer not less than 2) inside the light diffusing layer before outgoing from the light diffusing layer toward the viewer side. As a result, the viewing angle characteristic in the at least one direction is improved.
    • 包括在本发明的光散射片和液晶显示装置中的光漫射层10包括由具有低折射率(第二物质)的物质形成的多个低折射率区域(第二区域)14。 垂直于主表面的横截面中的每个低折射率区域的形状近似于等腰三角形,其中基部在观察者侧,顶点在液晶显示面板侧。 多个低折射率区域在与主表面平行的平面中的至少一个方向上以预定间距P形成为高折射率物质(第一物质)的高折射率区域(第一区域)。 低折射率区域的形状和尺寸满足预定关系,因此在从光漫射层朝向观察者侧射出之前,垂直入射在主表面上的光仅在光漫射层内进行全反射,并且 在从光漫射层朝向观察者侧射出之前,在光漫射层内部以倾斜角入射的光的一部分在光漫射层的内部经历n次以上的全反射n次以上(n为2以上的整数)。 结果,提高了至少一个方向的视角特性。
    • 7. 发明授权
    • Liquid crystal display panel
    • 液晶显示面板
    • US08416380B2
    • 2013-04-09
    • US13146630
    • 2009-08-26
    • Akihiro YamamotoYusuke NishiharaIori AoyamaTokio TaguchiMasumi Kubo
    • Akihiro YamamotoYusuke NishiharaIori AoyamaTokio TaguchiMasumi Kubo
    • G02F1/1337
    • G02F1/133753G02F1/133371G02F1/133707G02F2001/133776
    • Disclosed is a liquid crystal display panel which causes no gray scale inversion, even when obliquely viewed, and which realizes suppression of a gamma characteristics change and a chromaticity change. The liquid crystal display panel is made of a pair of substrates, at least one of which includes a plurality of pixel electrodes containing red, green and blue pixel electrodes, and a liquid crystal layer arranged between the pair of substrates. The liquid crystal layer is divided for each pixel into a first region and a second region, which have liquid crystal molecules different in the directions of inclination from each other. Both of the liquid crystal molecules positioned in the first region and the second region are oriented either vertically or horizontally when the pair of substrates is viewed in the front direction, and are oriented obliquely with respect to the substrate surface and symmetrically of each other when the pair of substrates is viewed in the cross-sectional direction. The liquid crystal layer has a smaller thickness in the regions corresponding to the blue pixel electrodes than those in the regions corresponding to the green and red pixel electrodes.
    • 公开了即使在倾斜观察时也不会产生灰度反转的液晶显示面板,这实现了伽马特性变化和色度变化的抑制。 液晶显示面板由一对基板构成,其中至少一个基板包括多个像素电极,该像素电极包含红色,绿色和蓝色像素电极,以及配置在该对基板之间的液晶层。 液晶层被分割成具有在倾斜方向上不同的液晶分子的第一区域和第二区域。 位于第一区域和第二区域中的两个液晶分子当从正面方向观察一对基板时被定向成垂直或水平方向,并且相对于基板表面倾斜定向并且彼此对称 在横截面方向观察一对基板。 与对应于绿色和红色像素电极的区域相比,液晶层在对应于蓝色像素电极的区域中具有较小的厚度。
    • 8. 发明申请
    • LIQUID CRYSTAL DISPLAY PANEL
    • 液晶显示面板
    • US20110279745A1
    • 2011-11-17
    • US13146630
    • 2009-08-26
    • Akihiro YamamotoYusuke NishiharaIori AoyamaTokio TaguchiMasumi Kubo
    • Akihiro YamamotoYusuke NishiharaIori AoyamaTokio TaguchiMasumi Kubo
    • G02F1/133
    • G02F1/133753G02F1/133371G02F1/133707G02F2001/133776
    • Disclosed is a liquid crystal display panel which causes no gray scale inversion, even when obliquely viewed, and which realizes suppression of a gamma characteristics change and a chromaticity change. The liquid crystal display panel is made of a pair of substrates, at least one of which includes a plurality of pixel electrodes containing red, green and blue pixel electrodes, and a liquid crystal layer arranged between the pair of substrates. The liquid crystal layer is divided for each pixel into a first region and a second region, which have liquid crystal molecules different in the directions of inclination from each other. Both of the liquid crystal molecules positioned in the first region and the second region are oriented either vertically or horizontally when the pair of substrates is viewed in the front direction, and are oriented obliquely with respect to the substrate surface and symmetrically of each other when the pair of substrates is viewed in the cross-sectional direction. The liquid crystal layer has a smaller thickness in the regions corresponding to the blue pixel electrodes than those in the regions corresponding to the green and red pixel electrodes.
    • 公开了即使在倾斜观察时也不会产生灰度反转的液晶显示面板,这实现了伽马特性变化和色度变化的抑制。 液晶显示面板由一对基板构成,其中至少一个基板包括多个像素电极,该像素电极包含红色,绿色和蓝色像素电极,以及配置在该对基板之间的液晶层。 液晶层被分割成具有在倾斜方向上不同的液晶分子的第一区域和第二区域。 位于第一区域和第二区域中的两个液晶分子当从正面方向观察一对基板时被定向成垂直或水平方向,并且相对于基板表面倾斜定向并且彼此对称 在横截面方向观察一对基板。 与对应于绿色和红色像素电极的区域相比,液晶层在对应于蓝色像素电极的区域中具有较小的厚度。