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    Liquid crystal display device
    1.
    发明授权
    Liquid crystal display device 失效
    液晶显示装置

    公开(公告)号：US4984873A

    公开(公告)日：1991-01-15

    申请号：US238510

    申请日：1988-08-31

    申请人： Yasuyuki Takiguchi ,  Akihiko Kanemoto ,  Kenya Yokoi ,  Haruo Iimura ,  Takamichi Enomoto ,  Sumio Kamoi

    发明人： Yasuyuki Takiguchi ,  Akihiko Kanemoto ,  Kenya Yokoi ,  Haruo Iimura ,  Takamichi Enomoto ,  Sumio Kamoi

    IPC分类号： G02F1/13363

    CPC分类号： G02F1/13363 ,  G02F2202/40 ,  G02F2413/01 ,  G02F2413/08

    摘要： A liquid crystal display device, comprising:(a) a liquid crystal layer disposed between a pair of light permeable substrates, an alignment of a liquid crystal of said liquid crystal layer being substantially horizontal relative to said substrates in the absence of applied voltage, said liquid crystal layer having a twisted structure with a twist angle along a direction of a thickness thereof such that an adequate display is provided without substantially reducing the time dimensional driving;(b) a pair of polarization means disposed on both outsides of said liquid crystal layer; and(c) at least one birefringent medium layer disposed between one side of said liquid crystal layer and the polarization means on said one side of said liquid crystal layer; an optical axis of said birefringent medium layer being inclined toward a polarization axis of the adjacent polarization means, the alignment direction of said liquid crystal on a surface of another side of said liquid crystal layer making an angle from 0.degree. to 25.degree. relative to the polarization transmission axis or an absorption axis of the polarization means, the direction of a maximum refractive index of said birefringent medium layer and the alignment direction of said liquid crystal on a surface of said one side of said liquid crystal layer on a surface of said one side of said liquid crystal layer making an angle from 20.degree. to 130.degree. while a retardation of said birefringent medium layer is in a range of 0.125 .pi.rad to 1 .pi.rad and a retardation of said liquid crystal layer is about 3/2 .pi.rad or about 2 .pi.rad.

    摘要翻译： 一种液晶显示装置，包括：（a）设置在一对透光性基板之间的液晶层，在没有施加电压的情况下，所述液晶层的液晶相对于所述基板基本水平的对准，所述 具有沿其厚度方向具有扭曲角的扭曲结构的液晶层，使得在不显着减小时间驱动的情况下提供适当的显示; （b）设置在所述液晶层的两侧的一对偏振装置; 和（c）设置在所述液晶层的一侧和所述液晶层的所述一侧上的偏振装置之间的至少一个双折射介质层; 所述双折射介质层的光轴朝向相邻偏振装置的偏振轴倾斜，所述液晶层的另一面的表面上的对准方向相对于所述液晶层的角度为0°至25° 偏振透射轴或偏振装置的吸收轴，所述双折射介质层的最大折射率方向和所述液晶层的所述液晶层的所述一面的表面上的所述液晶的取向方向 所述液晶层的一侧为20°至130°的角度，而所述双折射介质层的延迟在0.125pirad至1pirad的范围内，并且所述液晶层的延迟为约3/2 pi 或约2 pi rad。

    Liquid crystal display device with dielectric anisotropy
    2.
    发明授权
    Liquid crystal display device with dielectric anisotropy 失效
    具有介电各向异性的液晶显示装置

    公开(公告)号：US5056896A

    公开(公告)日：1991-10-15

    申请号：US400012

    申请日：1989-08-29

    申请人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto ,  Kenya Yokoi ,  Takamichi Enomoto

    发明人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto ,  Kenya Yokoi ,  Takamichi Enomoto

    IPC分类号： G02F1/13363 ,  G02F1/139

    CPC分类号： G02F1/13363 ,  G02F1/1397 ,  G02F2001/133635 ,  G02F2413/08

    摘要： Disclosed herein is a liquid crystal display device comprising (1) a liquid crystal cell wherein a liquid crystal layer comprising a liquid crystal component having positive dielectric anisotropy is sandwiched between a pair of substrates having at least one electrode, (2) a pair of polarizers arranged to sandwich the liquid crystal layer therebetween and (3) a birefringence layer provided between the liquid crystal layer and the polarizer on at least one side of the liquid crystal layer, wherein the angle formed between the maximum refractive index direction in the birefringence layer face and the direction of transmission axis or absorption axis of polarizer adjacent to the birefringence layer is not more than 5.degree..

    摘要翻译： 本发明公开了一种液晶显示装置，包括：（1）液晶单元，其中将包含具有正介电各向异性的液晶分量的液晶层夹在具有至少一个电极的一对基板之间，（2）一对偏振器 布置成将液晶层夹在其间并且（3）在液晶层的至少一个侧面上设置在液晶层和偏振片之间的双折射层，其中在双折射层面的最大折射率方向 与双折射层相邻的偏振片的透射轴或吸收轴的方向不大于5°。

    DAP type liquid crystal device with cholesteric liquid crystal birefringent layer
    5.
    发明授权
    DAP type liquid crystal device with cholesteric liquid crystal birefringent layer 失效
    具有胆甾型液晶双折射层的DAP型液晶装置

    公开(公告)号：US5243451A

    公开(公告)日：1993-09-07

    申请号：US585

    申请日：1993-01-05

    申请人： Akihiko Kanemoto ,  Haruo Iimura ,  Yasuyuki Takiguchi

    发明人： Akihiko Kanemoto ,  Haruo Iimura ,  Yasuyuki Takiguchi

    IPC分类号： G02F1/13363 ,  G02F1/1347 ,  G02F1/139

    CPC分类号： G02F1/133636 ,  G02F1/13471 ,  G02F1/1393

    摘要： Disclosed herein is a DAP type-ECB system liquid crystal display device comprising (1) a liquid crystal cell in which a liquid crystal layer is sandwiched between a pair of substrates each having at least one electrode, (2) a birefringent layer sandwiched between a substrate and the liquid crystal cell and (3) a pair of polarizers disposed on outer surfaces of the substrates. The birefringent layer comprises a liquid crystal compound showing a cholesteric liquid crystal phase or a polymer film obtained by quenching a polymer showing a cholesteric phase to fix the aligning direction of the polymer molecules, and refractive indexes n.sub.x, n.sub.y within a plane of the birefringent layer and the refractive index n.sub.z in the direction perpendicular to the plane have a relationship:n.sub.x =n.sub.y >n.sub.z.

    摘要翻译： 本发明公开了一种DAP型ECB系统液晶显示装置，其特征在于，包括：（1）液晶单元，其中液晶层夹在一对基板之间，每个基板具有至少一个电极，（2）双折射层夹在 基板和液晶单元，以及（3）设置在基板的外表面上的一对偏振器。 双折射层包括显示胆甾醇型液晶相的液晶化合物或通过淬灭显示胆甾型相的聚合物而获得的聚合物膜，以固定聚合物分子的排列方向，并且在双折射层的平面内的折射率nx，ny 并且在垂直于该平面的方向上的折射率nz具有关系：nx = ny> nz。

    Liquid crystal display device with improved viewing angle dependence of color
    6.
    发明授权
    Liquid crystal display device with improved viewing angle dependence of color 失效
    具有改善视角依赖性的液晶显示装置

    公开(公告)号：US5380459A

    公开(公告)日：1995-01-10

    申请号：US687502

    申请日：1991-04-19

    申请人： Akihiko Kanemoto ,  Haruo Iimura ,  Yasuyuki Takiguchi

    发明人： Akihiko Kanemoto ,  Haruo Iimura ,  Yasuyuki Takiguchi

    IPC分类号： C09K19/38 ,  C09K19/40 ,  G02F1/13363 ,  C09K19/52 ,  C09K19/56 ,  G02F1/13

    CPC分类号： C09K19/3842 ,  C09K19/3852 ,  C09K19/408 ,  G02F1/13363 ,  G02F1/133634 ,  G02F2202/40 ,  G02F2413/02 ,  G02F2413/08 ,  G02F2413/12

    摘要： The present invention discloses a liquid crystal display device with improved viewing angle dependency upon contrast and color, comprising a liquid crystal cell having a pair of substrates each equipped with transparent electrodes and a liquid crystal layer positioned therebetween, polarizers disposed on opposite sides of the cell and a compensation plate disposed between at least one of the polarizers and the cell, in which at least one layer of the compensation plate is an aligned film comprising a liquid crystalline polymer or a polymer having a specific molecular structure, and a refractive index in a direction perpendicular to a plane of the film is larger than the minimum refractive index in a direction parallel to the plane.

    摘要翻译： 本发明公开了一种具有对比度和颜色的视角依赖性提高的液晶显示装置，包括具有一对基板的液晶单元，每个基板配置有透明电极和位于其间的液晶层，设置在电池的相对侧的偏振器 以及补偿板，其设置在所述偏振器和所述单元中的至少一个之间，其中所述补偿板的至少一层是包括液晶聚合物或具有特定分子结构的聚合物的取向膜，以及折射率在 垂直于膜平面的方向大于平行于平面的方向上的最小折射率。

    Super-twisted nematic type liquid crystal display device
    8.
    发明授权
    Super-twisted nematic type liquid crystal display device 失效
    超扭曲向列型液晶显示装置

    公开(公告)号：US5184237A

    公开(公告)日：1993-02-02

    申请号：US669576

    申请日：1991-03-14

    申请人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto

    发明人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto

    IPC分类号： G02F1/13363 ,  G02F1/1347 ,  G02F1/139

    CPC分类号： G02F1/133632 ,  G02F1/13363 ,  G02F1/13471 ,  G02F1/1397 ,  G02F2413/02 ,  G02F2413/105

    摘要： A liquid crystal cell display device including a liquid crystal cell comprising a pair of substrates having transparent electrodes and aligning films, a liquid crystal composition with a positive dielectric anisotropy positioned between the substrates, major axes of the liquid crystal molecules being aligned nearly parallel in a plane parallel to the substrate when a field is applied and the liquid crystal molecules being twisted in an angle of 120.degree. to 360.degree. in a direction perpendicular to the substrate; a pair of polarizers positioned on opposite sides of the cell; and one or more birefringent layers positioned between the cell and at least one of the polarizers in which a maximum refractive index directions at a planes contacting the polarizer and the liquid crystal cell, are tilted with respect to a plane parallel to the substrate, angles made between each of the directions and the parallel plane are symmetrical one another with regard to a plane parallel to the substrate when angles made between the substrate and maximum refractive index directions positioned between the contacting planes of the birefringent layers are continuously distributed.

    摘要翻译： 一种液晶单元显示装置，包括具有透明电极和取向膜的一对基板的液晶单元，具有位于基板之间的正介电各向异性的液晶组合物，液晶分子的长轴几乎平行于 在施加场时平行于衬底的平面，并且液晶分子在垂直于衬底的方向上以120°至360°的角度扭转; 位于电池相对两侧的一对偏光片; 并且位于单元和至少一个偏振器之间的一个或多个双折射层，其中在与偏振器和液晶单元接触的平面处的最大折射率方向相对于平行于基板的平面倾斜， 在基板和位于双折射层的接触面之间的最大折射率方向之间的角度连续分布时，相对于平行于基板的平面彼此对称。

    ECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directions
    9.
    发明授权
    ECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directions 失效
    ECB型液晶显示装置具有在厚度和平面方向上具有相等折射率的双折射层

    公开(公告)号：US5175638A

    公开(公告)日：1992-12-29

    申请号：US887381

    申请日：1992-05-21

    申请人： Akihiko Kanemoto ,  Yasuyuki Takiguchi ,  Haruo Iimura

    发明人： Akihiko Kanemoto ,  Yasuyuki Takiguchi ,  Haruo Iimura

    IPC分类号： G02F1/13363 ,  G02F1/139

    CPC分类号： G02F1/13363 ,  G02F1/1393 ,  G02F2413/01

    摘要： A liquid crystal display device including (1) a liquid crystal cell in which a liquid crystal layer with a liquid crystal composition having a positive dielectric anisotropy is sandwiched between a pair of substrates each having at least one electrode, and the liquid crystal molecules in the liquid crystal layer are homogeneously aligned between the substrates, (2) a pair of polarizers disposed so as to sandwich the liquid crystal cell therebetween and (3) at least one birefringent layer sandwiched between the liquid crystal layer and the polarizer, in which the maximum refractive index direction within the plane of the birefringent layer is substantially perpendicular to the aligning direction of the liquid crystal molecules. The device is excellent particularly in highly multiplexing driving characteristic as a black and white light shutter or a color display device.

    摘要翻译： 一种液晶显示装置，包括：（1）液晶单元，其中具有正介电各向异性的液晶组合物的液晶层夹在每个具有至少一个电极的一对基板之间，并且液晶分子在 液晶层在基板之间均匀排列，（2）一对偏振器，其设置成夹在其间的液晶单元和（3）夹在液晶层和偏振器之间的至少一个双折射层，其中最大 双折射层的平面内的折射率方向基本上垂直于液晶分子的排列方向。 该装置特别是在作为黑白光快门或彩色显示装置的高度多路复用驱动特性方面是优异的。

    Liquid crystal display element
    10.
    发明授权
    Liquid crystal display element 失效
    液晶显示元件

    公开(公告)号：US5150237A

    公开(公告)日：1992-09-22

    申请号：US522378

    申请日：1990-05-11

    申请人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto

    发明人： Haruo Iimura ,  Yasuyuki Takiguchi ,  Akihiko Kanemoto

    IPC分类号： G02F1/1333 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/1347 ,  G02F1/139

    CPC分类号： G02F1/133634 ,  G02F1/13471 ,  G02F1/133371 ,  G02F1/133514 ,  G02F1/1393 ,  G02F2001/133738 ,  G02F2001/133742 ,  G02F2413/13

    摘要： A liquid crystal display element has a liquid crystal cell contructed such that a liquid crystal layer composed of a liquid crystal composition having a positive dielectric anisotropy is homogeneously oriented between a pair of substrates provided with electrodes; a pair of polarizers disposed such that the liquid crystal layer is arranged between the polarizers; and a uniaxial medium disposed at least one of clearances between the liquid crystal layer and the both polarizers, the uniaxial medium having a positive optical anisotropy and an optical axis in a direction perpendicular to a substrate face. In the liquid crystal display element, products of refractive index anisotropy and thickness of the uniaxial medium are different from each other in accordance with the difference between displayed colors determined every display picture element.

    摘要翻译： 液晶显示元件具有液晶单元，使得由具有正介电各向异性的液晶组合物构成的液晶层在设置有电极的一对基板之间均匀取向; 设置为使得液晶层布置在偏振器之间的一对偏振器; 以及设置在液晶层和两个偏振器之间的间隙中的至少一个的单轴介质，单轴介质在垂直于基板面的方向上具有正的光学各向异性和光轴。 在液晶显示元件中，单轴介质的折射率各向异性和厚度的乘积根据每个显示图像元素确定的显示颜色的差异而彼此不同。