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    • 2. 发明专利
    • Retardation plate
    • 延迟板
    • JP2006276203A
    • 2006-10-12
    • JP2005091731
    • 2005-03-28
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • NISHIKAWA HIDEYUKIYOSHIKAWA SUSUMU
    • G02B5/30
    • PROBLEM TO BE SOLVED: To provide a retardation plate with fewer defects caused to orientation defects by using a new discotic liquid crystal compound. SOLUTION: The retardation plate has on a transparent supporting body an orientation film and an optical anisotropic layer formed by a chemical compound represented by a general formula (DI) of at least one layer and has a characteristic that a major axial direction of a rod-like liquid crystal can be oriented in a direction almost at right angles to a rubbing direction when the rod-like liquid crystal is oriented. Here, Y11, Y12, and Y13 represent in the general formula (DI) a methine or nitrogen atom independently of one another. L1, L2, and L3 represent a single bond or bivalent linking group independently of one another. H1, H2, and H3 represent a general formula (DI-A) (in which YA1 and YA2 represent methine or nitrogen atom independently of each other; XA represents an oxygen atom, sulfur atom, methylene, or imino; * represents a position to be bonded to L1 to L3; and ** represents a position to be bonded to R1 to R3) or a general formula (DI-B) (in which YB1 and YB2 represent the methine or nitrogen atom independently of each other; XB represents an oxygen atom, sulfur atom, methylene, or imino; * represents a position to be bonded to L1 to L3; and ** represents a position to be bonded to R1 to R3). COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过使用新的盘状液晶化合物来提供具有较少的取向缺陷缺陷的延迟板。 解决方案:相位差板在透明支撑体上具有由至少一层的通式(DI)表示的化合物形成的取向膜和光学各向异性层,并且具有以下特征:主轴方向 当杆状液晶取向时,棒状液晶可以在几乎与摩擦方向成直角的方向上取向。 这里,Y 11,Y 12和Y 13在通式(DI)中表示彼此独立的次甲基或氮原子。 L1,L2和L3彼此独立地表示单键或二价连接基团。 H1,H2和H3表示通式(DI-A)(其中YA1和YA2彼此独立地表示次甲基或氮原子; XA表示氧原子,硫原子,亚甲基或亚氨基; *表示 键合到L1至L3;和**表示与R1至R3键合​​的位置)或通式(DI-B)(其中YB1和YB2彼此独立地表示次甲基或氮原子; XB表示 氧原子,硫原子,亚甲基或亚氨基; *表示与L1键合至L3键合的位置; **表示与R1至R3键合​​的位置)。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Retardation plate and image display apparatus
    • 延迟板和图像显示装置
    • JP2005266401A
    • 2005-09-29
    • JP2004079738
    • 2004-03-19
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • YOSHIKAWA SUSUMU
    • G02B5/30C08F20/10C08F20/56C08F22/40G02F1/13363
    • PROBLEM TO BE SOLVED: To provide a retardation plate capable of improving display characteristics of an image display apparatus. SOLUTION: The retardation plate comprises a transparent supporting body, at least one alignment layer, a first optical anisotropic layer derived from a discotic liquid crystalline composition thereon, and further, a second optical anisotropic layer derived from a discotic liquid crystalline composition thereon. The first optical anisotropic layer and the second optical anisotropic layer have Re different from each other, with Re defined by formula (1): Re=(nx-ny)×d, wherein (nx) is the refractive index in the direction of a slow phase axis in the layer plane, (ny) is the refractive index in the direction perpendicular to (nx) in the plane, and (d) is the layer thickness. The retardation plate has no face subjected to rubbing treatment to directly control the alignment of the discotic liquid crystalline molecules in the second optical anisotropic layer. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够改善图像显示装置的显示特性的延迟板。 解决方案:相位差板包括透明支撑体,至少一个取向层,由其上的盘状液晶组合物衍生的第一光学各向异性层,以及衍生自其中的盘状液晶组合物的第二光学各向异性层 。 第一光学各向异性层和第二光学各向异性层具有Re不同的Re,其中由式(1)定义的Re:Re =(nx-ny)×d,其中(nx) 在层平面中的慢相轴,(ny)是在垂直于(nx)的平面中的方向的折射率,(d)是层厚度。 相位差板没有进行摩擦处理的面以直接控制第二光学各向异性层中的盘状液晶分子的取向。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Retardation film and liquid crystal display device
    • 延迟膜和液晶显示装置
    • JP2006215092A
    • 2006-08-17
    • JP2005025188
    • 2005-02-01
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • TAMURA AKIOYOSHIKAWA SUSUMU
    • G02B5/30G02F1/1335G02F1/13363G02F1/139
    • PROBLEM TO BE SOLVED: To provide a retardation film contributing to improvement in the viewing angle characteristics of a liquid crystal display device. SOLUTION: The retardation film has an optical anisotropic layer formed of a liquid crystal composition which contains at least each one kind of: discotic liquid crystal compound; boronic acid compound expressed by general formula (I); and copolymer containing a repeating unit derived from a fluoroaliphatic group-containing monomer and a repeating unit having a prescribed hydrophilic group, or a fluorine-based compound having a prescribed hydrophilic group. Molecules of the discotic liquid crystal compound are substantially vertically aligned in the optical anisotropic layer. In the formula (I), each of R 1 and R 2 independently represents a hydrogen atom or a substituted or unsubstituted aliphatic hydrocarbon group, aryl group, or heteroaryl group, and R 3 represents a substituted or unsubstituted aliphatic hydrocarbon group, aryl group or hetero aryl group. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供有助于提高液晶显示装置的视角特性的延迟膜。 解决方案:延迟膜具有由液晶组合物形成的光学各向异性层,其至少包含以下各种:盘状液晶化合物; 由通式(I)表示的硼酸化合物; 和含有含脂肪族基团的单体和具有规定的亲水基团的重复单元的重复单元或具有规定的亲水基团的氟系化合物的共聚物。 盘状液晶化合物的分子在光学各向异性层中基本垂直排列。 在式(I)中,R 1和R 2各自独立地表示氢原子或取代或未取代的脂族烃基,芳基或杂芳基,和 R 3表示取代或未取代的脂族烃基,芳基或杂芳基。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Liquid crystalline compound, optically anisotropic film and liquid crystal display
    • 液体结晶化合物,光学异相膜和液晶显示
    • JP2006124368A
    • 2006-05-18
    • JP2005048317
    • 2005-02-24
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • MATSUUMI NORITAKAYOSHIKAWA SUSUMUKAWAMOTO HIROYUKI
    • C07D211/46C07D405/14C09K19/38G02B5/30G02F1/13363
    • PROBLEM TO BE SOLVED: To provide an IPS type liquid crystal display which has a simple structure, a remarkably improved display grade and a highly improved angle of visibility, to provide an optically anisotropic film used for the same, and to provide a new compound used therefor. SOLUTION: This compound is represented by the general formula (I). The optically anisotropic film whose orientation is fixed in a smectic phase and which contains the cross-linked product of a rod-like compound represented by the general formula (I). A liquid crystal display which contains liquid crystal cells obtained by nipping the first polarizing film, the first phase difference region, the second phase difference region, and a liquid crystal layer with a pair of substrates and whose liquid crystal molecules are substantially oriented in parallel to the surfaces of a pair of the substrates, when displaying black. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供具有简单结构,显着提高的显示等级和高度可见度的IPS型液晶显示器,以提供用于其的光学各向异性膜,并提供一种 用于此的新化合物。 解决方案:该化合物由通式(I)表示。 其取向以近晶相固定并含有由通式(I)表示的棒状化合物的交联产物的光学各向异性膜。 一种液晶显示器,其包含通过用一对基板夹持第一偏振膜,第一相位差区域,第二相位差区域和液晶层而获得的液晶单元,其液晶分子基本上取向为平行于 当显示黑色时,一对基板的表面。 版权所有(C)2006,JPO&NCIPI