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    • 4. 发明申请
    • RETARDATION PLATE AND ITS MANUFACTURING METHOD, CIRCULARLY POLARIZING PLATE AND 1/2 WAVE PLATE USING SAME, AND A REFLECTIVE LIQUID CRYSTAL DISPLAY
    • 延迟板及其制造方法,圆形极化板和使用相同的1/2波片,以及反射液晶显示
    • US20070267127A1
    • 2007-11-22
    • US11627722
    • 2007-01-26
    • Masaaki OtoshiTakanori SatoTadashi UedaFumitaka Terai
    • Masaaki OtoshiTakanori SatoTadashi UedaFumitaka Terai
    • B32B37/00
    • G02B5/3083
    • A method is provided for manufacturing a wide band retardation plate which gives uniform phase difference characteristics to incident light over the whole visible wavelength region, and which, as it permits selection of raw materials regardless of whether they have a positive or negative intrinsic double refraction value, allows a wide selection of raw materials. For this purpose, the method comprises a machine direction-stretched film-forming step for transporting and stretching in an identical direction to the transport direction, a Material A of two or more materials having different positive intrinsic double refraction values to form a machine direction-stretched film, a transverse direction-stretched film-forming step for transporting and stretching in a perpendicular direction to the transport direction, a Material B of the aforesaid two or more materials to form a transverse direction-stretched film, and a lamination step for laminating the machine direction-stretched film and the transverse direction-stretched film.
    • 提供一种用于制造宽带延迟板的方法,其对整个可见光波长区域的入射光提供均匀的相位差特性,并且由于其允许选择原材料,而不管其是否具有正或负的固有双折射值 ,允许广泛选择原材料。 为此,该方法包括用于沿与输送方向相同的方向输送和拉伸的机器方向拉伸成膜步骤,具有不同的正本征双重折射值的两种或更多种材料的材料A以形成机器方向 - 拉伸膜,横向拉伸膜形成步骤,用于沿与输送方向垂直的方向输送和拉伸;上述两种或更多种材料的材料B以形成横向拉伸膜;层压步骤,用于层压 机器方向拉伸膜和横向拉伸膜。
    • 9. 发明授权
    • Retardation plate and its manufacturing method, circularly polarizing plate and 1/2 wave plate using same, and a reflective liquid crystal display
    • 延迟板及其制造方法,圆偏振板和使用其的1/2波片,以及反射型液晶显示器
    • US07738064B2
    • 2010-06-15
    • US11627722
    • 2007-01-26
    • Masaaki OtoshiTakanori SatoTadashi UedaFumitaka Terai
    • Masaaki OtoshiTakanori SatoTadashi UedaFumitaka Terai
    • G02F1/1335B29D11/00B29D7/01B29C55/00
    • G02B5/3083
    • A method is provided for manufacturing a wide band retardation plate which gives uniform phase difference characteristics to incident light over the whole visible wavelength region, and which, as it permits selection of raw materials regardless of whether they have a positive or negative intrinsic double refraction value, allows a wide selection of raw materials. For this purpose, the method comprises a machine direction-stretched film-forming step for transporting and stretching in an identical direction to the transport direction, a Material A of two or more materials having different positive intrinsic double refraction values to form a machine direction-stretched film, a transverse direction-stretched film-forming step for transporting and stretching in a perpendicular direction to the transport direction, a Material B of the aforesaid two or more materials to form a transverse direction-stretched film, and a lamination step for laminating the machine direction-stretched film and the transverse direction-stretched film.
    • 提供一种用于制造宽带延迟板的方法,其对整个可见光波长区域的入射光提供均匀的相位差特性,并且由于其允许选择原材料,而不管其是否具有正或负的固有双折射值 ,允许广泛选择原材料。 为此,该方法包括用于沿与输送方向相同的方向输送和拉伸的机器方向拉伸成膜步骤,具有不同的正本征双重折射值的两种或更多种材料的材料A以形成机器方向 - 拉伸膜,横向拉伸膜形成步骤,用于沿与输送方向垂直的方向输送和拉伸;上述两种或更多种材料的材料B以形成横向拉伸膜;层压步骤,用于层压 机器方向拉伸膜和横向拉伸膜。