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    • 71. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20050275780A1
    • 2005-12-15
    • US10920354
    • 2004-08-18
    • Yuzo Hisatake
    • Yuzo Hisatake
    • G02B5/30G02F1/133G02F1/1335G02F1/13363G02F1/1337G02F1/139
    • G02F1/133632G02F1/1393G02F2001/136222G02F2413/105
    • A liquid crystal display device includes a liquid crystal panel having a structure in which a liquid crystal layer LQ is held between a pair of electrode substrates AR, CT, a pair of polarizers PL which hold the liquid crystal panel therebetween, and a pair of optical retardation plates RT arranged between the liquid crystal panel and the pair of polarizers PL. Each optical retardation plate RT has a refractive anisotropy in which average refractive indices nx, ny, and nz in an x-axis direction, a y-axis direction, and a z-axis direction being perpendicular to each other satisfy nx>ny>nz in a state when the z-axis direction conforms to the normal direction. The x-axis direction of each optical retardation plate RT is almost parallel to the transmission axis of the polarizer PL adjacent to a corresponding optical retardation plates RT.
    • 液晶显示装置包括液晶面板,其具有将液晶层LQ保持在一对电极基板AR,CT,保持液晶面板的一对偏振器PL之间的结构,以及一对光学 延迟板RT布置在液晶面板和一对偏振器PL之间。 每个光学延迟板RT具有折射各向异性,其中x轴方向,y轴方向和z轴方向上的平均折射率nx,ny和nz彼此垂直,满足nx> ny> nz 在z轴方向符合法线方向的状态下。 每个光学延迟板RT的x轴方向几乎平行于与相应的光学延迟板RT相邻的偏振器PL的透射轴。
    • 75. 发明申请
    • Compensator with photochemically cured barrier layer and process
    • 补光器与光化学固化的阻挡层和工艺
    • US20040075796A1
    • 2004-04-22
    • US10390123
    • 2003-03-17
    • Mridula NairTamara K. JonesBradley M. HoughtalingJeffrey A. TrestJoseph S. Sedita
    • G02F001/1335
    • G02F1/133632G02B5/3016G02F1/133788G02F2413/105Y10T428/10
    • Disclosed is an optical compensator for a liquid crystal display having improved optical properties, comprising a transparent polymeric support bearing an orientation layer and a photochemically cured optically anisotropic layer, in that order, wherein a photochemically cured barrier layer is present between the orientation layer and the support, and wherein the barrier layer, as disposed on the support, exhibits an indentation modulus of less than 2 GPa. The invention further provides a compensator comprising a transparent polymeric support, an orientation layer, and a photochemically cured optically anisotropic layer, in that order, wherein a photochemically cured barrier layer is present between the orientation layer and the support, and wherein there is present a compliant layer softer than the barrier layer adjacent to the support side of the barrier layer, and further comprises a compensator containing two or more compensator layers, with or without an adjacent compliant layer and a process for making the foregoing.
    • 公开了一种具有改进的光学性能的液晶显示器的光学补偿器,其包括依次具有支承取向层和光化学固化的光学各向异性层的透明聚合物支撑体,其中光化学固化的阻挡层存在于取向层和 支撑件,并且其中设置在支撑件上的阻挡层具有小于2GPa的压痕模量。 本发明还提供了一种补偿器,其包括透明聚合物支撑体,取向层和光化学固化的光学各向异性层,其中在取向层和载体之间存在光化学固化的阻挡层,并且其中存在 柔性层比邻近阻挡层的支撑侧的阻挡层柔软,并且还包括具有或不具有相邻柔顺层的两个或更多个补偿层的补偿器和用于制造前述的方法。
    • 77. 发明申请
    • Liquid crystal display of transmission type
    • 透镜型液晶显示
    • US20040032546A1
    • 2004-02-19
    • US10343643
    • 2003-02-03
    • Yoji Ito
    • G02F001/1335
    • G02F1/1335G02B5/0226G02B5/0242G02B5/0278G02B5/3016G02F1/133632G02F2413/105
    • A liquid crystal display of transmission type comprises a light source, a polarizing film, a liquid crystal cell and another polarizing film in this order. An optical compensatory sheet is further provided between the liquid crystal cell and the polarizing film on a light source side or between the liquid crystal cell and the polarizing film on a display side. The optical compensatory sheet comprises a transparent support and an optically anisotropic layer. The optically anisotropic layer contains a discotic compound having a discotic plane. The discotic plane is inclined from a surface of the support surface at an angle. The angle varies along a direction of depth of the optically anisotropic layer. The liquid crystal display has a difference in chromaticity (nullCuv) of 0.05 or less. The difference is measured between an image seen frontally and an image seen rightward or leftward at a viewing angle of 60null.
    • 透射型的液晶显示器依次包括光源,偏振膜,液晶单元和另一个偏振膜。 液晶单元与偏光膜之间还可以在液晶单元和显示面侧的偏光膜之间设置光补偿片。 光学补偿片包括透明支撑体和光学各向异性层。 光学各向异性层含有具有盘状平面的盘状化合物。 盘状平面以一定角度从支撑表面的表面倾斜。 该角度沿着光学各向异性层的深度方向变化。 液晶显示器的色度差(DeltaCuv)为0.05以下。 在前方看到的图像与以60°的视角向右或向左看的图像之间的差异是测量的。
    • 78. 发明授权
    • Liquid crystal display with a wide viewing angle a compensation film
    • 使用补偿膜的宽视角的液晶显示器
    • US06671017B2
    • 2003-12-30
    • US09879119
    • 2001-06-13
    • Jae-Jin LyuChang-Hun LeeHak-Sun Chang
    • Jae-Jin LyuChang-Hun LeeHak-Sun Chang
    • G02F11335
    • G02F1/133632G02F1/1395G02F2413/105
    • Disclosed is a liquid crystal display comprising a liquid crystal cell including a pair of transparent substrates, with orientation layers deposited on inner surfaces thereof, and a liquid crystal layer of liquid crystal material injected between the substrates; biaxial compensation films provided on outer surfaces of the liquid crystal cell, the biaxial compensation films including an optical dielectric material layer; and polarization plates provided on outer surfaces of the biaxial compensation films, wherein if “d” is set as a cell gap of the liquid crystal cell, “RLC” is set as a phase retardation value of the liquid crystal layer, an axis perpendicular to planes made by the substrates is set as a z-axis, x-axis and y-axis are formed on a planar surface of the substrates, and refractive indices of molecules comprising the biaxial compensation films in the x, y and z directions are denoted by nx, ny and nz, retardation values (ny-nx)*d and (nz-nx)*d of the biaxial compensation films being respectively within ranges of −30±5 nm and −RLC/4±15 nm.
    • 公开了一种液晶显示器,包括:液晶单元,包括一对透明基板,其内表面上沉积有取向层;以及液晶材料的液晶层,被注入到所述基板之间; 设置在液晶单元的外表面上的双轴补偿膜,所述双轴补偿膜包括光介电材料层; 以及设置在双轴补偿膜的外表面上的偏光板,其中如果将“d”设置为液晶单元的单元间隙,则将“RLC”设置为液晶层的相位延迟值,垂直于 由基板制成的平面被设定为z轴,x轴和y轴形成在基板的平面上,并且表示在x,y和z方向上包含双轴补偿膜的分子的折射率 由nx,ny,nz表示,双轴补偿膜的延迟值(ny-nx)* d和(nz-nx)* d分别在-30±5nm和-RLC / 4±15nm的范围内。
    • 79. 发明授权
    • Liquid crystal shutter
    • 液晶快门
    • US06603522B1
    • 2003-08-05
    • US09831329
    • 2001-05-08
    • Yasushi Kaneko
    • Yasushi Kaneko
    • G02F11335
    • G02F1/133632G02F1/1397G02F2413/105
    • A liquid crystal shutter of this invention comprises a liquid crystal element holding a nematic liquid crystal, of 180° to 260° in twist angle, between a pair of substrates, a pair of polarizing plates sandwiching the liquid crystal element, and a retardation film inserted between the liquid crystal element and one polarizing plate. The angle formed by the absorption axes of the polarizing plates is set in the range of 80° to 100°, the angle formed between the absorption axis of one of the polarizing plates and the direction of the central liquid crystal molecule of the liquid crystal element is set in the range of 40° to 60°, and the delay axis of the retardation film is arranged substantially parallel to the alignment direction of the central liquid crystal molecule of the liquid crystal element. Further, the retardation film is arranged on a discotic film at an inclination angle varying along thickness in such a manner that the alignment direction of the retardation film is substantially orthogonal to the direction of the central liquid crystal molecule. Furthermore, the liquid crystal shutter comprises a first retardation film and a second retardation which are, for example, aligned on the retardation film with an inclination angle varying along the thickness thereof (FIG. 1).
    • 本发明的液晶快门包括夹持向列型液晶的扭转角为180°至260°的液晶元件,一对基板之间,夹着液晶元件的一对偏光板和插入的延迟膜 在液晶元件和一个偏振片之间。 由偏振片的吸收轴形成的角度设定在80°〜100°的范围内,偏振片之一的吸收轴与液晶元件的中央液晶分子的方向 设定在40°〜60°的范围内,延迟膜的延迟轴大致平行于液晶元件的中央液晶分子的取向方向。 此外,延迟膜以相对于中央液晶分子的方向大致正交的方式以沿着厚度变化的倾斜角度配置在圆盘状薄膜上。 此外,液晶快门包括第一延迟膜和第二延迟,其例如在延迟膜上对准,其倾斜角沿其厚度变化(图1)。
    • 80. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20030016325A1
    • 2003-01-23
    • US10198092
    • 2002-07-19
    • NEC Corporation
    • Takayuki KonnoMasayoshi SuzukiToshiya IshiiKiyomi KawadaHiroaki MatsuyamaYoshihiko Hirai
    • G02F001/1335
    • G02F1/1395G02F1/13363G02F1/133634G02F2001/133638G02F2413/04G02F2413/105G02F2413/12
    • A polarizer and a null wavelength plate are bonded to each of first and second substrates of a liquid crystal panel that includes a liquid crystal layer having a bend alignment such that an angle between an optical axis of the null wavelength plate and a transmission axis of the polarizer is made 45null relative to each other to make circularly polarized lights outputted respectively from the null wavelength plate and the polarizer each have a polarity opposite each other. In this case, since a light inputted to a liquid crystal display device is converted into a circularly polarized light before entering a liquid crystal layer, the maximum value of an intensity of the light exited from the device becomes constant regardless of the orientation of the optical axis of the liquid crystal layer 101. As described above, the optical axis of the liquid crystal layer is desirably made parallel to a horizontal direction to improve stability of the liquid crystal layer having a bend alignment, and further, the transmission axes of the first and second polarizers are freely made only just maintaining forcible positional relationship therebetween which makes the transmission axes of the first and second polarizers orthogonal to each other, thereby allowing a viewing angle along horizontal and vertical directions to increase.
    • 偏振器和波长板被结合到液晶面板的每个第一和第二基板上,该液晶面板包括具有弯曲取向的液晶层,使得波长板的光轴与偏振器的透射轴之间的夹角为 相对于彼此成45°,使得分别从波长板和偏振片输出的圆偏振光各自具有彼此相反的极性。 在这种情况下,由于输入到液晶显示装置的光在进入液晶层之前被转换为圆偏振光,所以从装置退出的光的强度的最大值与光学的方位无关地变得恒定 如上所述,液晶层的光轴优选与水平方向平行,以提高具有弯曲取向的液晶层的稳定性,此外,第一透镜的透射轴 并且第二偏振器自由地仅仅保持其间的强制位置关系,这使得第一和第二偏振器的透射轴彼此正交,从而允许沿着水平和垂直方向的视角增加