公开(公告)号：US20060164740A1

公开(公告)日：2006-07-27

申请号：US10562567

申请日：2004-06-28

申请人： Atsushi Sone ,  Tetsuya Toyoshima ,  Kohei Arakawa

发明人： Atsushi Sone ,  Tetsuya Toyoshima ,  Kohei Arakawa

IPC分类号： G02B5/08 ,  G02B7/182

CPC分类号： G02B5/30 ,  G02B1/111 ,  Y10T428/24942 ,  Y10T428/249953 ,  Y10T428/249967 ,  Y10T428/249969 ,  Y10T428/31663 ,  Y10T428/31667 ,  Y10T428/31786 ,  Y10T428/31855 ,  Y10T428/31938

摘要： An optical multilayer film comprising a hard coat layer and a low refractive index layer comprising aerogel, which layers are laminated, in this order, directly or with another intervening layer on one surface of a base film comprising a transparent resin, wherein the refractive index nH of the hard coat layer and the refractive index nL of the low refractive index layer satisfy the following three formulae [1], [2] and [3], nL≦1.37   Formula [1] nH≧1.53   Formula [2] (nH)1/2−0.2

摘要翻译： 一种包括硬涂层和低折射率层的光学多层膜，该层包括气相凝胶，这些层按顺序直接或与另一个中间层层叠在包含透明树脂的基膜的一个表面上，其中折射率n 硬涂层的H 和低折射率层的折射率n L L满足以下三个式[1]，[2]和[3] ？in-line-formula description =“In-line Formulas”end =“lead”？> n <= 1.37 Formula [1] <？in-line-formula description =“In-line 公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> n > = 1.53公式[2] -line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？>（n < >） ^{1/2 <-0.2 （n H H）1/2 + 0.02。 公式[3] <？in-line-formula description =“In-line Formulas”end =“tail”？>}

公开(公告)号：US07872803B2

公开(公告)日：2011-01-18

申请号：US11921091

申请日：2006-05-29

申请人： Mitsugu Uejima ,  Toshihide Murakami ,  Akiyoshi Shibuya ,  Megumi Fujita ,  Masahiko Hayashi ,  Kohei Arakawa

发明人： Mitsugu Uejima ,  Toshihide Murakami ,  Akiyoshi Shibuya ,  Megumi Fujita ,  Masahiko Hayashi ,  Kohei Arakawa

IPC分类号： G02B5/30

CPC分类号： G02B5/3058 ,  G02F1/133528 ,  G02F2001/133548 ,  Y10S359/90 ,  Y10T156/10 ,  Y10T156/1039

摘要： A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being 1.0 or more in the absolute value of the difference between the real part n1 and the imaginary part κ1 of the complex refractive index (N1=n1−iκ1), said resin film having a plurality of rows of grooves formed extending substantially in parallel with each other on its surface, and said grid line being made of a thin film of the laminated material G on the bottom face of the grooves and/or on the top face of ridges located between the adjacent grooves. A lengthy optical laminated body comprises the lengthy grid polarizer film and another lengthy polarizing optical film.

摘要翻译： 提供了一种冗长的网格偏光膜，其包括长的树脂膜和设置在树脂膜的表面和/或内部并且基本上彼此平行延伸的多个栅格线，栅格线由材料G制成为1.0 以上的复数折射率（N1 = n1-i＆kgr; 1）的实部n1和虚部1的差的绝对值，所述树脂膜具有多排形成为大致在 在其表面上彼此平行，并且所述网格线由层叠材料G的薄膜制成在凹槽的底面上和/或位于相邻凹槽之间的脊的顶面上。 一种冗长的光学层叠体包括冗长的网格偏光膜和另一个长的偏振光学膜。

公开(公告)号：US20070200263A1

公开(公告)日：2007-08-30

申请号：US10592229

申请日：2005-03-10

申请人： Satoshi Tazaki ,  Kohei Arakawa ,  Kazuyuki Obuchi ,  Keisuke Tsukada ,  Naoki Murata

发明人： Satoshi Tazaki ,  Kohei Arakawa ,  Kazuyuki Obuchi ,  Keisuke Tsukada ,  Naoki Murata

IPC分类号： B29C33/40

CPC分类号： B29C45/60 ,  B29C2045/0086 ,  B29L2011/00 ,  G02B5/0242 ,  G02B5/0268

摘要： A light diffusion plate obtained by injection molding of a thermoplastic resin and having an approximately rectangular shape having a length of a diagonal line of 400 mm or longer, wherein the fluctuation in the thickness is 200 μm or smaller, the warp is 2 mm or smaller, the fluctuation in the transmittance is 8% or smaller and the dispersion in the y-value of the reflected light is 0.004 or smaller, and a process for producing the light diffusion plate are provided. The light diffusion plate exhibits the high luminance and the small unevenness in the luminance and provides a display of images having an excellent quality on liquid display devices.

摘要翻译： 通过注射成型热塑性树脂而得到的长度为400mm以上的长方形的光扩散板，厚度的波动为200μm以下，翘曲为2mm以下 ，透射率的波动为8％以下，反射光的y值的偏差为0.004以下，制造光扩散板的工序。 光漫射板具有高亮度和亮度不均匀性，并且提供在液体显示装置上具有优良品质的图像的显示。

公开(公告)号：US06593984B2

公开(公告)日：2003-07-15

申请号：US10119149

申请日：2002-04-10

申请人： Kohei Arakawa ,  Ken Kawata ,  Mitsuyoshi Ichihashi

发明人： Kohei Arakawa ,  Ken Kawata ,  Mitsuyoshi Ichihashi

IPC分类号： G02F135

CPC分类号： G02B5/3016 ,  G02F2001/133541 ,  G02F2001/133637 ,  G02F2001/133638

摘要： A circularly polarizing plate comprises a linearly polarizing membrane and a quarter wave plate. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. The quarter wave plate has such an optical characteristic that a retardation value essentially is a quarter of a wavelength when the retardation value is measured at the wavelength of 450 nm, 550 nm and 650 nm. One of the optically anisotropic layers A and B is a layer made from liquid crystal molecules, and the other is a polymer film or a layer made from liquid crystal molecules.

公开(公告)号：US06400433B1

公开(公告)日：2002-06-04

申请号：US09435620

申请日：1999-11-08

申请人： Kohei Arakawa ,  Ken Kawata ,  Mitsuyoshi Ichihashi

发明人： Kohei Arakawa ,  Ken Kawata ,  Mitsuyoshi Ichihashi

IPC分类号： G02F11335

CPC分类号： G02B5/3016 ,  G02F2001/133541 ,  G02F2001/133637 ,  G02F2001/133638

摘要： A circularly polarizing plate comprises a linearly polarizing membrane and a quarter wave plate. The quarter wave plate comprises an optically anisotropic layer A and an optically anisotropic layer B. The quarter wave plate has such an optical characteristic that a retardation value essentially is a quarter of a wavelength when the retardation value is measured at the wavelength of 450 nm, 550 nm and 650 nm. One of the optically anisotropic layers A and B is a layer made from liquid crystal molecules, and the other is a polymer film or a layer made from liquid crystal molecules.

摘要翻译： 圆偏振板包括线偏振膜和四分之一波片。 四分之一波片包括光学各向异性层A和光学各向异性层B.四分之一波片具有这样的光学特性，即当在450nm的波长处测量延迟值时，延迟值基本上是波长的四分之一， 550nm和650nm。 光学各向异性层A和B中的一个是由液晶分子制成的层，另一个是聚合物膜或由液晶分子制成的层。

公开(公告)号：US5528400A

公开(公告)日：1996-06-18

申请号：US487680

申请日：1995-06-07

申请人： Kohei Arakawa

发明人： Kohei Arakawa

IPC分类号： G02B5/30 ,  G02F1/1335 ,  G02F1/13363

CPC分类号： G02F1/133632 ,  G02F1/133634

摘要： A liquid crystal display device is composed of a liquid crystal cell having TN liquid crystal, a pair of polarizing plates arranged on both sides of the cell comprising a polarizer and a pair of protective films provided both sides of the polarizer and an optical compensatory sheet between the cell and the polarizing plate. The optical compensatory sheet comprises at least two optically anisotropic films having optically negative uniaxial property, one film having an optic axis in the direction of the normal of the film and other film having an optic axis in a direction inclined at 5-50 degrees from the normal, and the sum of retardation value of the film having an optic axis in the direction of the normal and retardation values of two protective films existing between the polarizers is from 100 to 400 nm.

摘要翻译： 液晶显示装置由具有TN液晶的液晶单元，配置在包含偏振器的单元两侧的一对偏光板和设置在偏振片两侧的一对保护膜和位于偏振片两侧的光学补偿片之间 电池和偏光板。 该光学补偿片包括具有光学负单轴性质的至少两个光学各向异性膜，一个膜沿着膜的法线方向具有光轴，而另一个膜具有沿着与该膜的5-50度倾斜的方向的光轴 正常，并且在偏光板之间存在两个保护膜的正常方向和延迟值的具有光轴的膜的延迟值之和为100〜400nm。

公开(公告)号：US4572813A

公开(公告)日：1986-02-25

申请号：US638941

申请日：1984-08-08

申请人： Kohei Arakawa

发明人： Kohei Arakawa

IPC分类号： D01F9/12 ,  D01F9/127

CPC分类号： B82Y30/00 ,  D01F9/12 ,  D01F9/1272 ,  D01F9/1275 ,  D01F9/1276 ,  D01F9/1278

摘要： A process of preparing carbon fibers in a floating state by reacting a mixed gas consisted of a gas of organic metal compound or compounds, a carrier gas and desirably a gas of carbon compound or compounds at the elevated temperature of 600.degree. to 1300.degree. C. is disclosed, in which the fine carbon fibers having a diameter of 0.05 to 2 .mu.m, a length of 2 to 3000 .mu.m and an aspect ratio of 2 to 30,000 as well as a high degree of preferred orientation of carbon layers may be produced in a high yield and a high productivity.

摘要翻译： 通过使由有机金属化合物或化合物的气体，载气和期望的碳化合物或化合物的气体组成的混合气体在600〜1300℃的高温下反应，制备浮动状态的碳纤维的方法。 公开了其中可以生产直径为0.05至2μm，长度为2至3000μm，纵横比为2至30,000的细碳纤维以及碳层的高度优选取向 产量高，生产效率高。

公开(公告)号：US20110069257A1

公开(公告)日：2011-03-24

申请号：US12957041

申请日：2010-11-30

申请人： Shunsuke YAMANAKA ,  Kohei Arakawa

发明人： Shunsuke YAMANAKA ,  Kohei Arakawa

IPC分类号： G02F1/1335 ,  B29C65/00

CPC分类号： G02F1/13363 ,  G02B5/305 ,  G02F2001/133637 ,  Y10T156/1043 ,  Y10T428/1036 ,  Y10T428/1041

摘要： An optical laminate having layer A having a resin having a negative intrinsic birefringence and at least one layer B having a transparent resin, having substantially no orientation and laminated at least on one face of layer A and satisfies a relation |Re(A)|>|Re(B)|, wherein Re(A) and Re(B) represent in-plane retardations of layer A and layer B, respectively, measured with light having a wavelength of 400 to 700 nm, an optical element having a laminate of the optical laminate and a polarizer plate, and a liquid crystal display device using at least one sheet of the optical laminate. In the liquid crystal display device, optical compensation can be made in accordance with the mode of the liquid crystal display by the three dimensional control of the refractive index, and the liquid crystal display device provides an image display with liquid crystals exhibiting small change in the phase contrast depending on the viewing angle.

摘要翻译： 具有层A具有负的固有双折射的树脂和至少一层具有透明树脂的层B，其基本上没有取向并层压在层A的至少一个面上，并且满足关系| Re（A）|> | Re（B）|，其中Re（A）和Re（B）分别表示用波长为400至700nm的光测量的层A和层B的面内延迟，光学元件具有 光学层叠体和偏光板，以及使用至少一片光学层叠体的液晶显示装置。 在液晶显示装置中，通过折射率的三维控制可以根据液晶显示器的模式进行光学补偿，并且液晶显示装置提供具有小变化的液晶的图像显示 取决于视角的相位对比度。

公开(公告)号：US20090128904A1

公开(公告)日：2009-05-21

申请号：US11921091

申请日：2006-05-29

申请人： Mitsugu Uejima ,  Toshihide Murakami ,  Akiyoshi Shibuya ,  Megumi Fujita ,  Masahiko Hayashi ,  Kohei Arakawa

发明人： Mitsugu Uejima ,  Toshihide Murakami ,  Akiyoshi Shibuya ,  Megumi Fujita ,  Masahiko Hayashi ,  Kohei Arakawa

IPC分类号： G02B5/30 ,  B32B38/00 ,  B32B38/06 ,  B32B37/00

CPC分类号： G02B5/3058 ,  G02F1/133528 ,  G02F2001/133548 ,  Y10S359/90 ,  Y10T156/10 ,  Y10T156/1039

摘要： A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being 1.0 or more in the absolute value of the difference between the real part n1 and the imaginary part κ1 of the complex refractive index (N1=n1−iκ1), said resin film having a plurality of rows of grooves formed extending substantially in parallel with each other on its surface, and said grid line being made of a thin film of the laminated material G on the bottom face of the grooves and/or on the top face of ridges located between the adjacent grooves. A lengthy optical laminated body comprises the lengthy grid polarizer film and another lengthy polarizing optical film.

摘要翻译： 提供了一种冗长的网格偏光膜，其包括长的树脂膜和设置在树脂膜的表面和/或内部并且基本上彼此平行延伸的多个栅格线，栅格线由材料G制成为1.0 以上的复数折射率（N1 = n1-ikappa1）的实部n1和虚部kappa之间的差的绝对值，所述树脂膜具有形成为大致平行延伸的多排槽 在其表面上，并且所述网格线由层叠材料G的薄膜制成在凹槽的底面上和/或位于相邻凹槽之间的脊的顶面上。 一种冗长的光学层叠体包括冗长的网格偏光膜和另一个长的偏振光学膜。

公开(公告)号：US20070172606A1

公开(公告)日：2007-07-26

申请号：US10593590

申请日：2005-03-22

申请人： Yamanaka Shunsuke ,  Kohei Arakawa

发明人： Yamanaka Shunsuke ,  Kohei Arakawa

IPC分类号： C09K19/00

CPC分类号： G02F1/13363 ,  G02B5/305 ,  G02F2001/133637 ,  Y10T156/1043 ,  Y10T428/1036 ,  Y10T428/1041

摘要： An optical laminate which comprises layer A comprising a resin having a negative intrinsic birefringence and at least one layer B comprising a transparent resin, having substantially no orientation and laminated at least on one face of layer A and satisfies a relation |Re(A)|>|Re(B)|, wherein Re(A) and Re(B) represent in-plane retardations of layer A and layer B, respectively, measured with light having a wavelength of 400 to 700 nm, an optical element comprising a laminate of the optical laminate and a polarizer plate, and a liquid crystal display device using at least one sheet of the optical laminate. In the liquid crystal display device, optical compensation can be made in accordance with the mode of the liquid crystal display by the three dimensional control of the refractive index, and the liquid crystal display device provides a image display with liquid crystals exhibiting small change in the phase contrast depending on the viewing angle.

摘要翻译： 一种光学层叠体，其包含具有负的固有双折射的树脂的层A和至少一层包含透明树脂的层A，其基本上没有取向并层压在层A的至少一个面上，并且满足关系| Re（A）| > | Re（B）|，其中Re（A）和Re（B）分别表示用波长为400至700nm的光测量的层A和层B的面内延迟，光学元件包括层压体 的光学层叠体和偏振片，以及使用至少一片光学层叠体的液晶显示装置。 在液晶显示装置中，通过折射率的三维控制，可以根据液晶显示器的模式进行光学补偿，并且液晶显示装置提供具有小的变化的液晶的图像显示 取决于视角的相位对比度。