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    • 4. 发明专利
    • Optical compensation sheet, method for manufacturing same, polarizing plate, and liquid crystal display device
    • 光学补偿表,其制造方法,极化板和液晶显示装置
    • JP2007086557A
    • 2007-04-05
    • JP2005277137
    • 2005-09-26
    • Fujifilm Corp富士フイルム株式会社
    • USHIYAMA AKINOBUCHIGA TAKESHI
    • G02B5/30C08L1/08C08L57/00G02F1/1335G02F1/13363
    • PROBLEM TO BE SOLVED: To provide an optical compensation sheet comprising a transparent support, an alignment layer disposed on the support, and an optical anisotropic layer disposed on the alignment layer and containing a liquid crystalline compound, the optical compensation sheet excellent in an optical compensation function, and to provide a method for manufacturing an optical compensation sheet capable of controlling an inclination angle of the liquid crystalline compound in the optical anisotropic layer on an interface side with air. SOLUTION: The alignment layer of the optical compensation sheet contains an inorganic cation and/or ammonium ion by 0.01×10 -4 mol/m 2 to 0.5×10 -4 mol/m 2 . The method for manufacturing the optical compensation sheet includes a step of adjusting the pH of a coating liquid for forming the alignment layer. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种光学补偿片,其包括透明支撑体,设置在支撑体上的取向层和设置在取向层上并含有液晶化合物的光学各向异性层, 光学补偿功能,并且提供一种制造光学补偿片的方法,该光学补偿片能够控制与空气在界面侧的光学各向异性层中的液晶化合物的倾斜角度。 解决方案:光学补偿片的取向层包含无机阳离子和/或铵离子,其含量为0.01×10 -4 SPF至/ -4 摩尔/米 2 。 制造光学补偿片的方法包括调整用于形成取向层的涂布液的pH值的步骤。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Cellulose acetate film and its production method, polarizing plate, and liquid crystal display device
    • 纤维素乙酸酯薄膜及其生产方法,极化板和液晶显示装置
    • JP2013032420A
    • 2013-02-14
    • JP2011168153
    • 2011-08-01
    • Fujifilm Corp富士フイルム株式会社
    • WATARINO RYOKONORO MASAKICHIGA TAKESHI
    • C08J5/18B29C41/24B29K1/00B29L7/00C08K5/10C08L1/12G02B5/30G02F1/1335
    • PROBLEM TO BE SOLVED: To provide a production method of a cellulose acetate film which is easy to peel off from a metal support upon solvent casting, excellent in corrosivity of a manufacturing facility, and excellent in development of Rth.SOLUTION: The production method of the cellulose acetate film includes a process for casting a dope on the metal support, the dope containing a cellulose acetate with a degree of total substitution of 2.0-2.7, a solvent, and an organic acid that is in an amount of 0.01-20 mass% based on the cellulose acetate and meets the following requirements (1)-(3), and a process for peeling off the dope film from the metal support. The requirements are (1) to include a structure in which a polyhydric alcohol and a polycarboxylic acid bind forming an ester bond, (2) to have the total of the number of molecules of the polyhydric alcohol and the polycarboxylic acid that form the compound of 3 or more, and (3) to have at least one non-substituted carboxyl group derived from a polycarboxylic acid.
    • 要解决的问题:提供一种在溶剂浇铸时容易从金属载体上剥离的醋酸纤维素薄膜的制造方法,制造设备的腐蚀性优异,Rth的显影性优异。 解决方案:醋酸纤维素膜的制造方法包括在金属载体上铸造涂料的方法,包含总取代度为2.0-2.7的乙酸纤维素的溶剂,溶剂和有机酸, 是基于乙酸纤维素的0.01-20质量%的量,并且满足以下要求(1) - (3),以及从金属载体剥离掺杂膜的方法。 要求是(1)包括其中多元醇和多元羧酸结合形成酯键的结构,(2)使多元醇和形成化合物的多元羧酸的总数为 3以上,(3)具有来自多元羧酸的至少一种未取代的羧基。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Inorganic particulate, liquid dispersion using this, coating composition, optical film, polarizing plate, and image display device
    • 无机颗粒,使用这种液体分散剂,涂料组合物,光学膜,极化板和图像显示装置
    • JP2007119310A
    • 2007-05-17
    • JP2005314829
    • 2005-10-28
    • Fujifilm Corp富士フイルム株式会社
    • YONEYAMA HIROYUKICHIGA TAKESHI
    • C01B33/18B32B27/18C08K9/06C09C1/28C09C3/12C09D5/32C09D7/12C09D201/00G02B1/11G02B5/30G02F1/1335
    • PROBLEM TO BE SOLVED: To provide inorganic particulates whose dispersibility in a liquid solvent is improved, a liquid dispersion and a coating composition containing the particulates, an optical film with improved scratch resistance while keeping sufficient antireflection performance, a polarizing plate and an image display device using the optical film. SOLUTION: The inorganic particulates contain at least an Si atom, are surface treated with a compound expressed by general formula (I): (R 10 ) m -Si(X) 4-m (wherein R 10 is a substituted or non-substituted alkyl group or a substituted or non-substituted aryl group; X is a hydroxy group or a hydrolyzable group; and m is an integer of 1-3), and the surface silanol group residual ratio Z1 featured by using a solid NMR is 0.45-0.60. The dispersion and the coating composition contain the inorganic particulates. The optical film is formed from the coating composition. The polarizing plate and the image display device employ the optical film. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供其在液体溶剂中的分散性提高的无机微粒,含有微粒的液体分散体和涂料组合物,具有改善的耐刮擦性,同时保持足够的抗反射性能的光学膜,偏振片和 使用该光学膜的图像显示装置。 解决方案:无机微粒含有至少一个Si原子,用通式(I)表示的化合物进行表面处理:(R 10 SP 30)-Si (X)4-m S(其中R 10是取代或未取代的烷基或取代或未取代的芳基; X是羟基或 水解性基团; m为1-3的整数),通过使用固体NMR表征的表面硅烷醇基残基率为0.45〜0.60。 分散体和涂料组合物含有无机颗粒。 光学膜由涂料组合物形成。 偏光板和图像显示装置使用光学膜。 版权所有(C)2007,JPO&INPIT