公开(公告)号：US20090059156A1

公开(公告)日：2009-03-05

申请号：US12192155

申请日：2008-08-15

申请人： Yuka Utsumi ,  Shintaro Takeda ,  Hiroyuki Kagawa ,  Daisuke Kajita ,  Ikuo Hiyama ,  Kikuo Ono

发明人： Yuka Utsumi ,  Shintaro Takeda ,  Hiroyuki Kagawa ,  Daisuke Kajita ,  Ikuo Hiyama ,  Kikuo Ono

IPC分类号： G02F1/13

CPC分类号： G02F1/1396 ,  G02F2001/13706 ,  G02F2203/64

摘要： Disclosed herein is a liquid-crystal display device capable of reducing leakage of light under a black state due to scattering from a liquid-crystal layer, and having high-contrast ratio, excellent image quality performance. The liquid-crystal display device comprises: a liquid-crystal panel including one pair of polarizers disposed on one pair of substrates, a liquid-crystal layer held in sandwiched form between the pair of substrates, and a group of electrodes formed on at least one of the pair of substrates for applying an electric field to the liquid-crystal layer; and a light source unit disposed outside the pair of substrates. The liquid-crystal layer includes a liquid-crystal material having an ordinary-light refractive index of at least 1.46, but up to 1.49, an extraordinary-light refractive index of at least 1.54, but up to 1.59, and a mean photoelastic constant of at least 8, but up to 25, and exhibiting a nematic phase.

摘要翻译： 本发明公开了一种液晶显示装置，其能够减少由于液晶层的散射而在黑色状态下的光的泄漏，并且具有高对比度，优异的图像质量性能。 液晶显示装置包括：液晶面板，包括设置在一对基板上的一对偏振器，在一对基板之间夹持的液晶层和形成在至少一个基板上的一组电极 用于向液晶层施加电场的一对基板; 以及设置在所述一对基板的外侧的光源单元。 液晶层包括普通光折射率至少为1.46但高达1.49的液晶材料，非常光折射率至少为1.54，但高达1.59，平均光弹性常数为 至少8，但高达25，呈现向列相。

公开(公告)号：US07898638B2

公开(公告)日：2011-03-01

申请号：US12192155

申请日：2008-08-15

申请人： Yuka Utsumi ,  Shintaro Takeda ,  Hiroyuki Kagawa ,  Daisuke Kajita ,  Ikuo Hiyama ,  Kikuo Ono

发明人： Yuka Utsumi ,  Shintaro Takeda ,  Hiroyuki Kagawa ,  Daisuke Kajita ,  Ikuo Hiyama ,  Kikuo Ono

IPC分类号： C09K19/02 ,  H01L51/40

CPC分类号： G02F1/1396 ,  G02F2001/13706 ,  G02F2203/64

摘要： Disclosed herein is a liquid-crystal display device capable of reducing leakage of light under a black state due to scattering from a liquid-crystal layer, and having high-contrast ratio, excellent image quality performance. The liquid-crystal display device comprises: a liquid-crystal panel including one pair of polarizers disposed on one pair of substrates, a liquid-crystal layer held in sandwiched form between the pair of substrates, and a group of electrodes formed on at least one of the pair of substrates for applying an electric field to the liquid-crystal layer; and a light source unit disposed outside the pair of substrates. The liquid-crystal layer includes a liquid-crystal material having an ordinary-light refractive index of at least 1.46, but up to 1.49, an extraordinary-light refractive index of at least 1.54, but up to 1.59, and a mean photoelastic constant of at least 8, but up to 25, and exhibiting a nematic phase.

摘要翻译： 本发明公开了一种液晶显示装置，其能够减少由于液晶层的散射而在黑色状态下的光的泄漏，并且具有高对比度，优异的图像质量性能。 液晶显示装置包括：液晶面板，包括设置在一对基板上的一对偏振器，在一对基板之间夹持的液晶层和形成在至少一个基板上的一组电极 用于向液晶层施加电场的一对基板; 以及设置在所述一对基板的外侧的光源单元。 液晶层包括普通光折射率至少为1.46但高达1.49的液晶材料，非常光折射率至少为1.54，但高达1.59，平均光弹性常数为 至少8，但高达25，呈现向列相。

公开(公告)号：US08237893B2

公开(公告)日：2012-08-07

申请号：US12709229

申请日：2010-02-19

申请人： Yuka Utsumi ,  Shintaro Takeda ,  Ikuo Hiyama ,  Kikuo Ono

发明人： Yuka Utsumi ,  Shintaro Takeda ,  Ikuo Hiyama ,  Kikuo Ono

IPC分类号： G02F1/1335 ,  G02F1/1343 ,  C09K19/02

CPC分类号： G02F1/133528 ,  G02F1/13363 ,  G02F1/133634 ,  G02F2001/133635 ,  G02F2413/02

摘要： A liquid crystal display device comprising a liquid crystal panel having a cell 15 and polarizing plates 11, 12; wherein a liquid crystal molecule is rotated in parallel to the cell 15, the polarizing plate 12 has a multiple polarizer layer formed thereon, the multiple player having a first polarizer layer having a higher polarization degree with respect to a light from a forward direction than a polarization degree with respect to a light from a oblique direction and a second polarizer layer having a higher polarization degree with respect to a light from a oblique direction than a polarization degree with respect to a light from a forward direction, and an average elastic constant of a splay elastic constant K1, a twist elastic constant K2, and a bend elastic constant K3 of liquid crystal material is equal to 10×10−12 N or larger and satisfies a relationship of K1/K2

摘要翻译： 一种液晶显示装置，包括具有单元15和偏振片11,12的液晶面板; 其中液晶分子与单元15平行地旋转，偏振板12具有形成在其上的多个偏振层，多重播放器具有相对于来自正向的光的偏振度高于 相对于来自倾斜方向的光的偏振度相对于相对于来自正向的光的偏振度具有比来自倾斜方向的光的偏振度高的偏振度的第二偏振片，平均弹性常数 液晶材料的喷射弹性常数K1，扭曲弹性常数K2和弯曲弹性常数K3等于10×10 -12 N以上，并且满足K1 / K2 <= 1.5的关系。

公开(公告)号：US20100245726A1

公开(公告)日：2010-09-30

申请号：US12709229

申请日：2010-02-19

申请人： Yuka UTSUMI ,  Shintaro Takeda ,  Ikuo Hiyama ,  Kikuo Ono

发明人： Yuka UTSUMI ,  Shintaro Takeda ,  Ikuo Hiyama ,  Kikuo Ono

IPC分类号： G02F1/1335

CPC分类号： G02F1/133528 ,  G02F1/13363 ,  G02F1/133634 ,  G02F2001/133635 ,  G02F2413/02

摘要： A liquid crystal display device comprising a liquid crystal panel having a cell 15 and polarizing plates 11, 12; wherein a liquid crystal molecule is rotated in parallel to the cell 15, the polarizing plate 12 has a multiple polarizer layer formed thereon, the multiple player having a first polarizer layer having a higher polarization degree with respect to a light from a forward direction than a polarization degree with respect to a light from a oblique direction and a second polarizer layer having a higher polarization degree with respect to a light from a oblique direction than a polarization degree with respect to a light from a forward direction, and an average elastic constant of a splay elastic constant K1, a twist elastic constant K2, and a bend elastic constant K3 of liquid crystal material is equal to 10×10−12 N or larger and satisfies a relationship of K1/K2

摘要翻译： 一种液晶显示装置，包括具有单元15和偏振片11,12的液晶面板; 其中液晶分子与单元15平行地旋转，偏振板12具有形成在其上的多个偏振层，多重播放器具有相对于来自正向的光的偏振度高于 相对于来自倾斜方向的光的偏振度相对于相对于来自正向的光的偏振度具有比来自倾斜方向的光的偏振度高的偏振度的第二偏振片，平均弹性常数 液晶材料的喷射弹性常数K1，扭曲弹性常数K2和弯曲弹性常数K3等于10×10 -12 N以上，并且满足K1 / K2 <= 1.5的关系。

公开(公告)号：US08134664B2

公开(公告)日：2012-03-13

申请号：US12019708

申请日：2008-01-25

申请人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

发明人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

IPC分类号： G02F1/1335 ,  G02F1/1343

CPC分类号： G02F1/13363 ,  G02F1/134363 ,  G02F2001/133635 ,  G02F2413/02

摘要： The liquid crystal display device according to this invention comprises: a first substrate having a first polarization layer on a light incident side; a second substrate having a second polarization layer on a light outgoing side; a first birefringent medium disposed between the first polarization layer and the liquid crystal layer; a second birefringent medium disposed between the second polarization layer and the liquid crystal layer; a pixel electrode and a common electrode arranged on one of the first substrate and the second substrate; wherein an absorbing axis of the first polarization layer and an absorbing axis of the second polarization layer form an angle of from 88 degrees to 92 degrees; wherein the liquid crystal layer has a property that an in-plane refractive index anisotropy is induced in the liquid crystal layer by an electric field produced by the pixel electrode and the common electrode.

摘要翻译： 根据本发明的液晶显示装置包括：具有在光入射侧的第一偏振层的第一基板; 第二基板，在光出射侧具有第二偏振层; 布置在所述第一偏振层和所述液晶层之间的第一双折射介质; 布置在所述第二偏振层和所述液晶层之间的第二双折射介质; 设置在第一基板和第二基板之一上的像素电极和公共电极; 其中所述第一偏振层的吸收轴和所述第二偏振层的吸收轴形成88度至92度的角度; 其中液晶层具有通过像素电极和公共电极产生的电场在液晶层中引起面内折射率各向异性的性质。

公开(公告)号：US20080192183A1

公开(公告)日：2008-08-14

申请号：US12019708

申请日：2008-01-25

申请人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

发明人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

IPC分类号： G02F1/13363 ,  G02F1/1335

CPC分类号： G02F1/13363 ,  G02F1/134363 ,  G02F2001/133635 ,  G02F2413/02

摘要： The liquid crystal display device according to this invention comprises: a first substrate having a first polarization layer on a light incident side; a second substrate having a second polarization layer on a light outgoing side; a first birefringent medium disposed between the first polarization layer and the liquid crystal layer; a second birefringent medium disposed between the second polarization layer and the liquid crystal layer; a pixel electrode and a common electrode arranged on one of the first substrate and the second substrate; wherein an absorbing axis of the first polarization layer and an absorbing axis of the second polarization layer form an angle of from 88 degrees to 92 degrees; wherein the liquid crystal layer has a property that an in-plane refractive index anisotropy is induced in the liquid crystal layer by an electric field produced by the pixel electrode and the common electrode.

摘要翻译： 根据本发明的液晶显示装置包括：具有在光入射侧的第一偏振层的第一基板; 第二基板，在光出射侧具有第二偏振层; 布置在所述第一偏振层和所述液晶层之间的第一双折射介质; 布置在所述第二偏振层和所述液晶层之间的第二双折射介质; 设置在第一基板和第二基板之一上的像素电极和公共电极; 其中所述第一偏振层的吸收轴和所述第二偏振层的吸收轴形成88度至92度的角度; 其中液晶层具有通过像素电极和公共电极产生的电场在液晶层中引起面内折射率各向异性的性质。

公开(公告)号：US20080192182A1

公开(公告)日：2008-08-14

申请号：US12019031

申请日：2008-01-24

申请人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

发明人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

IPC分类号： G02F1/13363 ,  G02F1/1335

CPC分类号： G02F1/13363 ,  G02F1/134363 ,  G02F2413/02

摘要： A liquid crystal display device comprises: a first substrate having a first polarization layer on a light incident side; a second substrate having a second polarization layer on a light outgoing side; a liquid crystal layer disposed between the first and the second substrates; a first birefringent film disposed between the first and the second polarization layers; a second birefringent film disposed between the first birefringent film and the second polarization layer; and wherein the liquid crystal layer has a property that a refractive index anisotropy is induced in it by an electric field applied between the pixel electrodes and the common electrode; wherein in-plane retarded phase axes of the first and the second birefringent films form an angle of from 88 degrees to 92 degrees with the first polarization layer; wherein the first birefringent films have Nz coefficients greater than 0.5 and smaller than 0.5, respectively.

摘要翻译： 液晶显示装置包括：第一基板，其具有在光入射侧的第一偏振层; 第二基板，在光出射侧具有第二偏振层; 设置在第一和第二基板之间的液晶层; 设置在第一和第二偏振层之间的第一双折射膜; 设置在所述第一双折射膜和所述第二偏振层之间的第二双折射膜; 并且其中所述液晶层具有通过施加在所述像素电极和所述公共电极之间的电场而在其中感应折射率各向异性的性质; 其中第一和第二双折射膜的面内延迟相位轴与第一偏振层形成88度至92度的角度; 其中第一双折射膜的Nz系数分别大于0.5且小于0.5。

公开(公告)号：US07817226B2

公开(公告)日：2010-10-19

申请号：US12019031

申请日：2008-01-24

申请人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

发明人： Daisuke Kajita ,  Ikuo Hiyama ,  Shintaro Takeda

IPC分类号： G02F1/1335 ,  C09K19/02

CPC分类号： G02F1/13363 ,  G02F1/134363 ,  G02F2413/02

摘要： A liquid crystal display device comprises: a first substrate having a first polarization layer on a light incident side; a second substrate having a second polarization layer on a light outgoing side; a liquid crystal layer disposed between the first and the second substrates; a first birefringent film disposed between the first and the second polarization layers; a second birefringent film disposed between the first birefringent film and the second polarization layer; and wherein the liquid crystal layer has a property that a refractive index anisotropy is induced in it by an electric field applied between the pixel electrodes and the common electrode; wherein in-plane retarded phase axes of the first and the second birefringent films form an angle of from 88 degrees to 92 degrees with the first polarization layer; wherein the first birefringent films have Nz coefficients greater than 0.5 and smaller than 0.5, respectively.

摘要翻译： 液晶显示装置包括：第一基板，其具有在光入射侧的第一偏振层; 第二基板，在光出射侧具有第二偏振层; 设置在第一和第二基板之间的液晶层; 设置在第一和第二偏振层之间的第一双折射膜; 设置在所述第一双折射膜和所述第二偏振层之间的第二双折射膜; 并且其中所述液晶层具有通过施加在所述像素电极和所述公共电极之间的电场而在其中感应折射率各向异性的性质; 其中第一和第二双折射膜的面内延迟相位轴与第一偏振层形成88度至92度的角度; 其中第一双折射膜的Nz系数分别大于0.5且小于0.5。

公开(公告)号：US08339556B2

公开(公告)日：2012-12-25

申请号：US12372919

申请日：2009-02-18

申请人： Hiroyuki Kagawa ,  Shintaro Takeda

发明人： Hiroyuki Kagawa ,  Shintaro Takeda

IPC分类号： G02F1/1343 ,  G02F1/07

CPC分类号： G02F1/134363

摘要： Provided is an electro-optical device which allows high-speed response and has high luminance and contrast. The electro-optical device includes: a plurality of substrates opposed to each other; a medium layer sandwiched between the substrates; electrode groups formed on opposed surfaces of the substrates, for applying an electric field to the medium layer, the electrode groups having a portion in which the electrode groups have an interdigit shape and are arranged substantially parallel; and a pair of polarizing plates which are arranged so that absorption axes thereof are substantially orthogonal to each other with the medium layer sandwiched therebetween, in which the medium layer includes a medium substantially having optical-isotropy with absence of an electric field and exhibiting optical-anisotropy with an applied electric field, the electrode groups include transparent electrodes, and the optical-anisotropy is imparted near the respective electrodes in a direction normal to the substrates by the electrode groups.

摘要翻译： 提供了允许高速响应并且具有高亮度和对比度的电光装置。 电光装置包括：多个彼此相对的基板; 夹在基板之间的介质层; 形成在所述基板的相对表面上的用于向所述介质层施加电场的电极组，所述电极组具有电极组具有叉指形状并且基本上平行布置的部分; 以及一对偏振板，其布置成使得其吸收轴基本上彼此正交，其中夹在介质层之间，其中介质层包括基本上具有光学各向同性且不存在电场的介质， 具有施加电场的各向异性，电极组包括透明电极，并且通过电极组在垂直于衬底的方向上在各个电极附近赋予光学各向异性。

公开(公告)号：US20090143609A1

公开(公告)日：2009-06-04

申请号：US12324921

申请日：2008-11-28

申请人： Kotaro Araya ,  Shintaro Takeda ,  Hiroyuki Kagawa

发明人： Kotaro Araya ,  Shintaro Takeda ,  Hiroyuki Kagawa

IPC分类号： C07C15/12 ,  C07C43/20 ,  C07C69/76

CPC分类号： C09K19/54 ,  C09K19/58 ,  C09K2019/0481

摘要： To provide a liquid crystal composition having low viscosity in a wide temperature range and to provide a liquid crystal device excellent in response speed in the wide temperature range, a compound represented by the following general formula (1) or (2) is contained in the composition. In the general formulae (1) and (2), R1 and R2 are each independently selected from alkyl groups, alkoxy groups, F atom, Cl atom, OCF3, CF3, phenyl groups each having a substituent, and phenyl rings each connected with a bridging group and having a substituent.

摘要翻译： 为了提供在宽温度范围内具有低粘度的液晶组合物并提供在宽温度范围内响应速度优异的液晶装置，由下列通式（1）或（2）表示的化合物包含在 组成。 在通式（1）和（2）中，R 1和R 2各自独立地选自烷基，烷氧基，F原子，Cl原子，OCF 3，CF 3，各自具有取代基的苯基， 桥连基并具有取代基。