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公开(公告)号:US06493055B1
公开(公告)日:2002-12-10
申请号:US09564537
申请日:2000-05-04
IPC分类号: G02F11343
CPC分类号: C09K19/22 , C09K19/2014 , C09K19/40 , G02F1/134363
摘要: A liquid crystal display device of the present invention includes: a pair of substrates for which a homeotropic alignment treatment is performed; a liquid crystal layer provided between the substrates; and a transverse electric field generating electrode capable of being driven in a matrix driving manner which is provided on at least one of the pair of substrates and is connected to external control means. A liquid crystal material contained in the liquid crystal layer is a liquid crystal material which, as a whole liquid crystal layer, generates spontaneous polarization by a piezoelectric effect.
摘要翻译: 本发明的液晶显示装置包括:进行垂直取向处理的一对基板; 设置在所述基板之间的液晶层; 以及能够以矩阵驱动方式驱动的横向电场产生电极,其设置在所述一对基板中的至少一个基板上并连接到外部控制装置。 包含在液晶层中的液晶材料是液晶材料,其作为整体液晶层通过压电效应产生自发极化。
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公开(公告)号:US06344883B2
公开(公告)日:2002-02-05
申请号:US08990132
申请日:1997-12-12
申请人: Nobuaki Yamada , Fumikazu Shimoshikiryo , Yasuhiro Kume , Shuichi Kozaki , Takako Adachi , Shinichi Terashita , Takashi Kurihara
发明人: Nobuaki Yamada , Fumikazu Shimoshikiryo , Yasuhiro Kume , Shuichi Kozaki , Takako Adachi , Shinichi Terashita , Takashi Kurihara
IPC分类号: G02F1133
CPC分类号: A23D9/00 , A23J1/08 , A23K20/158 , A23K50/75 , A23L15/20 , A23L33/12 , A23V2002/00 , C07C53/126 , C07C57/12 , G02F1/133377 , G02F1/133512 , G02F1/133707 , G02F1/133753 , G02F1/1393 , G02F1/1396 , G02F2001/133374 , A23V2250/1868 , A23V2250/187 , A23V2250/1862
摘要: A liquid crystal display device of the present invention includes a pair of substrates and a liquid crystal layer provided between the substrates, wherein liquid crystal molecules in the liquid crystal layer have a negative dielectric anisotropy, and the liquid crystal molecules are aligned in a direction substantially vertical to the substrates when no voltage is being applied and are axis-symmetrically aligned in each of a plurality of pixel regions under application of a voltage.
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3.
公开(公告)号:US07057689B2
公开(公告)日:2006-06-06
申请号:US10290253
申请日:2002-11-08
IPC分类号: G02F1/1335
CPC分类号: G02F1/1393 , G02F1/133634
摘要: A liquid crystal display device of the present invention includes: a liquid crystal cell having a pair of substrates and a liquid crystal layer interposed therebetween; a pair of polarizing plates interposing the liquid crystal cell therebetween; and a phase compensation element provided between at least one of the polarizing plates and the liquid crystal cell. A refractive index anisotropy value of the liquid crystal layer along a plane parallel to a surface of the liquid crystal cell is smaller in a black display than in a white display. The phase compensation element has three principal refractive indices nx, ny and nz respectively along x, y and z axes thereof which are perpendicular to one another, and when nx and ny are the principal refractive indices along a plane parallel to a surface of the liquid crystal cell with nz being the principal refractive index along a thickness direction of the liquid crystal cell, wherein the x axis is parallel to an absorption axis of one of the polarizing plates closer to a viewer viewing the liquid crystal display device, and the principal refractive indices nx, ny and nz satisfy the following expressions: nz
摘要翻译: 本发明的液晶显示装置包括:液晶单元,具有一对基板和夹在其间的液晶层; 一对偏振片,其间插入液晶单元; 以及设置在至少一个偏振片和液晶单元之间的相位补偿元件。 与液晶单元的表面平行的平面的液晶层的折射率各向异性值在黑色显示中比在白色显示中小。 相位补偿元件沿着彼此垂直的x,y和z轴分别具有三个主折射率nx,ny和nz,并且当nx和ny是沿着平行于液体表面的平面的主折射率 晶体单元,其中nz是沿着液晶单元的厚度方向的主要折射率,其中x轴平行于靠近观看液晶显示装置的观察者的偏振片之一的吸收轴,并且主折射率 索引nx,ny和nz满足以下表达式:nz <(nx + ny)/ 2; 和nx <> ny。
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公开(公告)号:US20050041186A1
公开(公告)日:2005-02-24
申请号:US10941851
申请日:2004-09-16
IPC分类号: G02F1/1333 , G02F1/1337 , G02F1/1343 , G02F1/139
CPC分类号: G02F1/133707 , G02F1/134336 , G02F1/1393 , G02F2201/128
摘要: A first electrode 14 provided in a liquid crystal display device of a vertical alignment mode includes, for each picture element region, a lower conductive layer 11, a dielectric layer 12 covering the lower conductive layer 11, and an upper conductive layer 13 provided on one side of the dielectric layer 12 which is closer to a liquid crystal layer 30. The upper conductive layer 13 includes an upper layer opening 13a, and the lower conductive layer 11 includes a lower layer opening 11a, thus forming first, second and third regions (R1, R2, R3) having gradually decreasing electric field strengths. Liquid crystal molecules 30a of the liquid crystal layer 30 in an orientation-regulating region T1 in which the first, second and third regions are arranged in this order in a predetermined direction change the orientation direction thereof so that they are inclined in a single direction in the presence of an applied voltage.
摘要翻译: 设置在垂直取向模式的液晶显示装置中的第一电极14对于每个像素区域包括下导电层11,覆盖下导电层11的电介质层12和设置在其上的上导电层13 电介质层12的更靠近液晶层30的一侧。上导电层13包括上层开口13a,下导电层11包括下层开口11a,从而形成第一,第二和第三区域( R1,R2,R3),电场强度逐渐降低。 其中第一,第二和第三区域中的第一,第二和第三区域沿着预定方向以此顺序排列的方位调节区域T1中的液晶层30的液晶分子30a改变其取向方向,使得它们在单方向上倾斜 施加电压的存在。
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公开(公告)号:US06850301B2
公开(公告)日:2005-02-01
申请号:US09783217
申请日:2001-02-15
IPC分类号: G02F1/1333 , G02F1/1337 , G02F1/1343 , G02F1/139
CPC分类号: G02F1/133707 , G02F1/134336 , G02F1/1393 , G02F2201/128
摘要: A first electrode 14 provided in a liquid crystal display device of a vertical alignment mode includes, for each picture element region, a lower conductive layer 11, a dielectric layer 12 covering the lower conductive layer 11, and an upper conductive layer 13 provided on one side of the dielectric layer 12 which is closer to a liquid crystal layer 30. The upper conductive layer 13 includes an upper layer opening 13a, and the lower conductive layer 11 includes a lower layer opening 11a, thus forming first, second and third regions (R1, R2, R3) having gradually decreasing electric field strengths. Liquid crystal molecules 30a of the liquid crystal layer 30 in an orientation-regulating region T1 in which the first, second and third regions are arranged in this order in a predetermined direction change the orientation direction thereof so that they are inclined in a single direction in the presence of an applied voltage.
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公开(公告)号:US06356325B1
公开(公告)日:2002-03-12
申请号:US09019256
申请日:1998-02-05
IPC分类号: G02F11335
CPC分类号: G02F1/133632 , G02F1/1393 , G02F2001/133742 , G02F2001/13712 , G02F2413/105
摘要: A liquid crystal display device includes: a liquid crystal cell including homeotropic alignment films which are provided on substrates interposing an N-type nematic liquid crystal layer on the liquid crystal layer side; a pair of polarizing plates provided so as to interpose the liquid crystal cell; and a phase difference compensation element provided between at least one of the pair of polarizing plates and the liquid crystal cell, wherein one principal axis of three principal axes of an index ellipsoid of the phase difference compensation element is inclined from a normal to a surface of the liquid crystal cell, and a refractive index along the one principal axis is smaller than a refractive index along another principal axis.
摘要翻译: 液晶显示装置包括:液晶单元,其包括垂直取向膜,其设置在在液晶层侧上插入N型向列型液晶层的基板上; 设置为使液晶单元插入的一对偏振片; 以及相位差补偿元件,其设置在所述一对偏振片和所述液晶单元中的至少一个之间,所述相位差补偿元件的折射椭圆体的三个主轴的一个主轴从法线向 液晶单元和沿着一个主轴的折射率小于沿另一个主轴的折射率。
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公开(公告)号:USRE46025E1
公开(公告)日:2016-06-07
申请号:US12588439
申请日:2009-10-15
IPC分类号: G02F1/1343 , G02F1/139
CPC分类号: G02F1/1393 , G02F1/133707 , G02F1/134336 , G02F1/1362 , G02F2001/134345 , G09G3/3614 , G09G3/3655 , G09G2300/0443 , G09G2300/0447 , G09G2300/0876 , G09G2320/0247 , G09G2320/0276 , G09G2320/028
摘要: To reduce viewing angle dependence of γ characteristics in a normally black liquid crystal display.Each pixel 10 has a first sub-pixel 10a and a second sub-pixel 10b which can apply mutually different voltages to their respective liquid crystal layers. Relationships ΔV12 (gk)>0 volts and ΔV12 (gk)≧ΔV12 (gk+1) are satisfied at least in a range 0
摘要翻译: 为了减少常黑色液晶显示器中γ特性的视角依赖性。 每个像素10具有第一子像素10a和第二子像素10b,其可以将相互不同的电压施加到它们各自的液晶层。 至少在0
0伏和&Dgr; V12(gk)≥&Dgr; V12(gk + 1);如果假设&Dgr; V12 = V1, -V2,其中&Dgr; V12是施加到第一子像素10a的液晶层的均方根电压V1与施加到第二子像素10a的液晶层的均方根电压V2之差, 像素10b。 -
公开(公告)号:US20110221760A1
公开(公告)日:2011-09-15
申请号:US12998698
申请日:2009-08-25
IPC分类号: G09G5/02
CPC分类号: G09G3/3648 , G09G2320/0233 , G09G2320/0271 , H04N5/202
摘要: In at least one embodiment, a display device includes: a correction section for carrying out gray scale correction on gray scale data to be supplied to a display driver, by use of a correction amount corresponding to a position of each column to which the data signal is to be supplied, the each column being on a display panel, the correction section carrying out the gray scale correction by setting the correction amount to zero for at least (i) gray scale data corresponding to a lowest positive-polarity data signal potential and (ii) gray scale data corresponding to a lowest negative-polarity data signal potential of first gray scale data to be supplied to at least one column constituting a part of all columns, the gray scale data (i) and (ii) being among the gray scale data inputted into the correction section.
摘要翻译: 在至少一个实施例中,显示装置包括:校正部分,用于对要提供给显示驱动器的灰度数据执行灰度校正,通过使用对应于数据信号的每列的位置的校正量 要提供的是,每列在显示面板上,校正部分通过将校正量设置为零至少(i)对应于最低正极数据信号电位的灰度数据来执行灰度校正,以及 (ii)对应于要提供给构成所有列的一部分的至少一列的第一灰度数据的最低负极性数据信号电位的灰度数据,灰度数据(i)和(ii)在 输入到校正部的灰度数据。
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公开(公告)号:US06663795B2
公开(公告)日:2003-12-16
申请号:US10277936
申请日:2002-10-23
IPC分类号: C09K1952
CPC分类号: C09K19/22 , C09K19/2014 , C09K19/40 , G02F1/134363
摘要: A liquid crystal display device of the present invention includes: a pair of substrates for which a homeotropic alignment treatment is performed; a liquid crystal layer provided between the substrates; and a transverse electric field generating electrode capable of being driven in a matrix driving manner which is provided on at least one of the pair of substrates and is connected to external control means. A liquid crystal material contained in the liquid crystal layer is a liquid crystal material which, as a whole liquid crystal layer, generates spontaneous polarization by a piezoelectric effect.
摘要翻译: 本发明的液晶显示装置包括:进行垂直取向处理的一对基板; 设置在所述基板之间的液晶层; 以及能够以矩阵驱动方式驱动的横向电场产生电极,其设置在所述一对基板中的至少一个基板上并连接到外部控制装置。 包含在液晶层中的液晶材料是液晶材料,其作为整体液晶层通过压电效应产生自发极化。
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10.
公开(公告)号:US06512561B1
公开(公告)日:2003-01-28
申请号:US09143615
申请日:1998-08-28
IPC分类号: G02F11335
CPC分类号: G02F1/1393 , G02F1/133634
摘要: A liquid crystal display device of the present invention includes: a liquid crystal cell having a pair of substrates and a liquid crystal layer interposed therebetween; a pair of polarizing plates interposing the liquid crystal cell therebetween; and a phase compensation element provided between at least one of the polarizing plates and the liquid crystal cell. A refractive index anisotropy value of the liquid crystal layer along a plane parallel to a surface of the liquid crystal cell is smaller in a black display than in a white display. The phase compensation element has three principal refractive indices nx, ny and nz respectively along x, y and z axes thereof which are perpendicular to one another, and when nx and ny are the principal refractive indices along a plane parallel to a surface of the liquid crystal cell with nz being the principal refractive index along a thickness direction of the liquid crystal cell, wherein the x axis is parallel to an absorption axis of one of the polarizing plates closer to a viewer viewing the liquid crystal display device, and the principal refractive indices nx, ny and nz satisfy the following expressions: nz
摘要翻译: 本发明的液晶显示装置包括:液晶单元,具有一对基板和夹在其间的液晶层; 一对偏振片,其间插入液晶单元; 以及设置在至少一个偏振片和液晶单元之间的相位补偿元件。 与液晶单元的表面平行的平面的液晶层的折射率各向异性值在黑色显示中比在白色显示中小。 相位补偿元件沿着彼此垂直的x,y和z轴分别具有三个主折射率nx,ny和nz,并且当nx和ny是沿着平行于液体表面的平面的主折射率 晶体单元,其中nz是沿着液晶单元的厚度方向的主要折射率,其中x轴平行于靠近观看液晶显示装置的观察者的偏振片之一的吸收轴,并且主折射率 索引nx,ny和nz满足以下表达式:nz <(nx + ny)/ 2; 和nx <> ny。
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