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1. 发明专利

JP2013019943A Ips or ffs type liquid crystal display device 有权
标题翻译： IPS或FFS型液晶显示器件
公开(公告)号：JP2013019943A
公开(公告)日：2013-01-31
申请号：JP2011150889
申请日：2011-07-07
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： FURUKI YUSUKE , ITO YOJI
IPC分类号： G02F1/13363 , C08J5/18 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an in-plane switching (IPS) or fringe field switching (FFS) type liquid crystal display device not only improved in viewing angle contrast but reduced in a color shift.SOLUTION: The IPS or FFS type liquid crystal display device includes a first polarizing film (16), an optical compensation film (F) comprising a first retardation region (20) and a second retardation region (22), a first substrate (12), a liquid crystal layer (10) comprising a nematic liquid crystal material, and a second substrate (14), in this order. In the display device, liquid crystal molecules of the nematic liquid crystal material are aligned parallel to the surface of the pair of substrates during black display; slow axes of the first retardation region and of the second retardation region are parallel to each other; the second retardation region shows a Re(550) of 20 nm or less and Rth(550) of 20 nm to 120 nm; and the first retardation region includes a retardation layer containing an obliquely aligned discotic liquid crystal compound, and has Re(450)/Re(550) of 1 or more and 1.13 or less and Re(650)/Re(550) of 0.94 or more and 1 or less.
摘要翻译：要解决的问题：提供平面切换（IPS）或边缘场切换（FFS）型液晶显示装置，不仅提高了视角对比度，而且减少了颜色偏移。解决方案：IPS或FFS型液晶显示装置包括第一偏振膜（16），包括第一延迟区域（20）和第二延迟区域（22）的光学补偿膜（F），第一基板（12），包括向列型液晶材料的液晶层（10）和第二基板（14）。在显示装置中，向列液晶材料的液晶分子在黑显示期间平行于该对基板的表面排列; 第一延迟区域和第二延迟区域的慢轴彼此平行; 第二延迟区域显示20nm以下的Re（550）和20nm〜120nm的Rth（550）并且第一延迟区域包括含有倾斜取向的盘状液晶化合物的延迟层，并且Re（450）/ Re（550）为1以上且1.13以下，Re（650）/ Re（550）为0.94或多于1个或更少。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012226226A Cellulose acylate film, method for producing the same, polarizing plate and liquid crystal display device 审中-公开
标题翻译：纤维素乙酸酯薄膜，其制造方法，偏光板和液晶显示装置
公开(公告)号：JP2012226226A
公开(公告)日：2012-11-15
申请号：JP2011095486
申请日：2011-04-21
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： TAKEDA ATSUSHI , ITO YOJI
IPC分类号： G02B5/30 , B29C55/02 , B29K1/00 , B29L7/00 , B29L11/00 , C08J5/18 , C08L1/10 , G02F1/1335
CPC分类号： G02B5/3033 , C08J5/18 , C08J2301/14 , C08J2467/02 , G02F1/133528 , G02F1/133634 , G02F2001/133635
摘要： PROBLEM TO BE SOLVED: To provide a cellulose acylate film that develops desired optical properties even in a thin film state, has a small internal haze, improves curling when the film is applied on a polarizing plate, and significantly improves changes in hue and irregularity appearing near a corner when the film is implemented in a liquid crystal display device.SOLUTION: The cellulose acylate film comprises cellulose acylate having a total substitution degree of 2.1 to 2.3 and a non-phosphate compound, satisfies expression (1):40nm≤Re(550)≤60nm and (2):100nm≤Rth(550)≤300nm, and has a film thickness of 10 μm to 45 μm. In expression (1), Re(550) represents a retardation value in a plane direction at a wavelength of 550 nm, and in expression (2), Rth(550) represents a retardation value in a film thickness direction at a wavelength of 550 nm.
摘要翻译：要解决的问题：为了提供即使在薄膜状态下产生所需光学性能的纤维素酰化物膜，具有小的内部雾度，当将膜施加在偏振片上时改善卷曲，并且显着改善色调的变化并且当在液晶显示装置中实施胶片时出现在拐角附近出现的不规则性。解决方案：酰化纤维素膜包含总取代度为2.1至2.3的纤维素酰化物和非磷酸盐化合物满足表达式（1）：40nm≤Re（550）≤60nm和（2）：100nm≤Rth （550）≤300nm，膜厚为10μm〜45μm。在式（1）中，Re（550）表示波长550nm的平面方向的延迟值，在式（2）中，Rth（550）表示波长550nm的膜厚方向的延迟值纳米。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012083628A Optical film, polarizing plate and liquid crystal display device 有权
标题翻译：光学薄膜，偏光板和液晶显示装置
公开(公告)号：JP2012083628A
公开(公告)日：2012-04-26
申请号：JP2010231032
申请日：2010-10-13
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： KUMON YOSHIAKI , ITO YOJI
IPC分类号： G02B5/30 , B32B7/02 , G02F1/1335 , G02F1/13363
CPC分类号： G02B5/3083 , G02B5/3025
摘要： PROBLEM TO BE SOLVED: To provide an optical film that can be manufactured with high productivity, has performances to be used for the forefront of a display and is excellent in reducing crosstalk in a 3D display.SOLUTION: The optical film comprises a transparent support body satisfying expressions (1):|Re(550)|≤10 and (2):|ΔRth(25°C30%RH-25°C80%RH)|≤20, and an optical anisotropic layer having a λ/4 (quarter-wave) function, and the optical film has Rth(550) satisfying |Rth(550)|≤20. In the expressions, Re(550) represents a front retardation Re at a wavelength of 550 nm; Rth(550) represents a retardation Rth in a film thickness direction at a wavelength of 550 nm; and ΔRth(25°C30%RH-25°C80%RH) represents a difference between Rth(550) at 25°C and 30% RH and Rth(550) at 25°C and 80% RH.
摘要翻译：要解决的问题：为了提供可以以高生产率制造的光学膜，具有用于显示器的最前面的性能，并且具有优异的降低3D显示器中的串扰的优点。解决方案：光学膜包括满足表达式（1）的透明支撑体：¾Re（550）¾≤10和（2）：¾ΔRth（25℃30％RH-25℃80％RH）¾≤20，以及具有λ/ 4（四分之一波长）功能的光学各向异性层，并且光学膜具有满足¾Rth（550）¾≤20的Rth（550）。在表达式中，Re（550）表示波长为550nm的前向延迟Re; Rth（550）表示波长550nm下的膜厚方向的延迟Rth; 和ΔRth（25℃30％RH-25℃，80％RH）表示在25℃和30％RH之间的Rth（550）和在25℃和80％RH之间的Rth（550）之间的差。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011095771A Cellulose acylate film, optical compensation film, polarizing plate and liquid crystal display device 审中-公开
标题翻译：纤维素醋酸盐膜，光学补偿膜，极化板和液晶显示装置
公开(公告)号：JP2011095771A
公开(公告)日：2011-05-12
申请号：JP2011008042
申请日：2011-01-18
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： ITO YOJI
IPC分类号： G02B5/30 , C08J5/18 , C08L1/10 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To contribute to improvement of a contrast and to reduction of coloring dependent on a viewing angle direction in black display by optically compensating a liquid crystal cell, in particular an OCB mode liquid crystal cell. SOLUTION: In a transparent cellulose acylate film which is subjected to stretch processing in at least one direction, a degree of substitution of the cellulose acylate film in the film thickness direction is made to vary by 0.05 or more within a range of 2.00-3.00, and this cellulose acylate film is used as an optical compensator sheet. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过光学补偿液晶单元，特别是OCB模式液晶单元，有助于改善对比度和依赖于黑色显示器中的视角方向的着色减少。解决方案：在至少沿一个方向进行拉伸加工的透明纤维素酰化物膜中，使纤维素酰化物膜在膜厚度方向上的取代度在2.00以下的范围内变化0.05以上 -3.00，并且该纤维素酰化物膜用作光学补偿片。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010253929A Method for manufacturing cellulose acylate film 有权
标题翻译：制备纤维素乙酸酯薄膜的方法
公开(公告)号：JP2010253929A
公开(公告)日：2010-11-11
申请号：JP2010009860
申请日：2010-01-20
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： NIMURA KEIRO , YAMAKI KOSUKE , MATSUFUJI AKIHIRO , ITO YOJI
IPC分类号： B29C41/24 , B29C55/14 , B29K1/00 , B29L7/00 , C08J5/18 , C08L1/12 , C08L67/00 , G02B5/30 , G02F1/1335 , G02F1/13363
CPC分类号： C08J5/18 , B29C41/24 , B29C55/14 , B29K2001/00 , B29K2001/12 , B29K2995/0034 , C08J2301/12 , C08L1/10 , C08L1/12 , C08L1/14 , G02B5/3033 , G02F1/13363 , Y10T428/10
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a film wherein Nz is 0-1.5 and the low volatility and low bleeding properties of additive are compatible. SOLUTION: The method for manufacturing of a cellulose acylate film includes: the casting process for producing a web by casting polymer solution including a plasticizer having the number average molecular weight of 200-10,000 and cellulose acylate; a first stretching process for unidirectionally stretching the web produced in the casting process in the temperature range of -30 to 30°C under the state that the amount of residual solvent is 100-300 mass%; the drying process for reducing the amount of residual solvent from its 6-120 mass% to its COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造其中Nz为0-1.5且低挥发性和低渗透性的添加剂相容的膜的方法。纤维素酰化物膜的制造方法包括：通过浇铸包含数均分子量为200〜10000的增塑剂的聚合物溶液和纤维素酰化物来制造网的流延法; 在残留溶剂的量为100〜300质量％的状态下，在-30〜30℃的温度范围内，在铸造工序中单丝拉伸纤维网的第一拉伸工序; 将干燥过程用于将残留溶剂的量从其6-120质量％降低到其<12质量％，同时将幅材的膜面的温度控制为在第一次拉伸过程之后保持≤200℃; 以及第二拉伸工序，在第一拉伸工序中，将干燥后的温度范围为60〜200℃的幅材拉伸至与拉伸方向不同的方向。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010015157A Polarizing plate and liquid crystal display device 审中-公开
标题翻译：偏光板和液晶显示装置
公开(公告)号：JP2010015157A
公开(公告)日：2010-01-21
申请号：JP2009188080
申请日：2009-08-14
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： ITO YOJI
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363 , G02F1/139
CPC分类号： G02B5/3033 , G02B5/3016 , G02F1/133528 , G02F1/1393 , G02F2413/105
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device which has high quality of display without problems such as light leak and so on. SOLUTION: A polarizing plate comprises a polymer film, a polarizing member, a polymer substrate, and an optical anisotropy layer made from liquid crystalline compounds and being obtained by laminating them in this order, and is characterized in that the thickness of polarizing member is in the range of between 10 to 25 μm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高质量显示的液晶显示装置，没有诸如漏光等问题。解决方案：偏振片包括聚合物膜，偏振构件，聚合物基底和由液晶化合物制成的光学各向异性层，并且通过依次层叠获得，并且其特征在于，偏振的厚度构件在10至25μm的范围内。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009193077A Cellulose acetate film controlled in retardation and thickness 有权
标题翻译：纤维素醋酸盐膜控制在延迟和厚度
公开(公告)号：JP2009193077A
公开(公告)日：2009-08-27
申请号：JP2009127443
申请日：2009-05-27
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： ITO YOJI
IPC分类号： G02B5/30 , C08J5/18 , C08K5/3492 , C08L1/12 , G02F1/1335 , G02F1/13363
CPC分类号： G02B5/3083 , G02F1/133634
摘要： PROBLEM TO BE SOLVED: To provide an excellent cellulose acetate film, not causing leakage of light when used in a liquid crystal display device having a large size of a liquid crystal panel by improving the cellulose acetate film used as a protective film of a sheet polarizer or a support of an optical compensation sheet. SOLUTION: This cellulose acetate film is formed of cellulose acetate whose acetylation degree ranges from 59.0 to 61.5%. The cellulose acetate film is controlled to have an Re retardation value ranging from 0 to 20 nm. The cellulose acetate film is controlled to have an Rth retardation value ranging from 30 to 70 nm. The cellulose acetate film is controlled to have a thickness ranging from 30 to 50 μm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供优异的醋酸纤维素膜，当通过改进用作保护膜的乙酸纤维素膜时，在液晶面板的尺寸大的液晶显示装置中使用时不会发生光泄漏片状偏振器或光学补偿片的支撑件。解决方案：该乙酸纤维素膜由醋酸纤维素形成，乙酰化度为59.0至61.5％。控制醋酸纤维素膜的Re延迟值为0〜20nm。将醋酸纤维素膜控制为具有30-70nm的Rth延迟值。乙酸纤维素膜被控制为具有30至50μm的厚度。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2009116346A Optical compensation sheet, polarizing plate and liquid crystal display 审中-公开
标题翻译：光学补偿表，偏光板和液晶显示器
公开(公告)号：JP2009116346A
公开(公告)日：2009-05-28
申请号：JP2008328344
申请日：2008-12-24
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： ITO YOJI
IPC分类号： G02B5/30 , C08J5/18 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a big panel-size liquid crystal display excellent in display quality. SOLUTION: The liquid crystal display uses an optical compensation sheet comprising a polymer film having a retardation value Re defined by expression (I): Re=(nx-ny)×d in the range of 20-200 nm, a retardation value Rth defined by expression (II): Rth=ä(nx+ny)/2-nz}×d in the range of 70-400 nm, and an elastic modulus in at least one direction in the range of 4,000-10,000 MPa, wherein nx is a refractive index in an in-plane slow axis direction of the film; ny is a refractive index in an in-plane fast axis direction of the film; nz is a refractive index in a thickness direction of the film; and d is a thickness of the film. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供显示质量优异的大面板尺寸液晶显示器。解决方案：液晶显示器使用包括具有由表达式（I）定义的延迟值Re的聚合物膜的光学补偿片：Re =（nx-ny）×d在20-200nm的范围内，延迟由式（II）定义的值Rth：Rth =ä（nx + ny）/ 2-nz}×d在70-400nm的范围内，并且在至少一个方向上的弹性模量在4,000-10,000MPa 其中nx是膜的面内慢轴方向的折射率; ny是膜的面内快轴方向的折射率; nz是膜的厚度方向的折射率; d是膜的厚度。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2009037231A Tn-mode liquid crystal display device, and optical compensation sheet and polarizing plate for use in the same 审中-公开
标题翻译： TN模式液晶显示装置，以及光学补偿片和用于其的偏光板
公开(公告)号：JP2009037231A
公开(公告)日：2009-02-19
申请号：JP2008177127
申请日：2008-07-07
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： KUMON YOSHIAKI , ITO YOJI , ICHINOSE TOMONORI , MIYAUCHI RYOSUKE
IPC分类号： G02B5/30 , C08J5/18 , G02F1/1335 , G02F1/13363
CPC分类号： G02B5/3083 , G02F1/13363 , G02F2202/40
摘要： PROBLEM TO BE SOLVED: To provide a new inexpensive optical compensation sheet for a TN mode, wherein viewing angle compensation ability and color change dependent on a viewing angle are improved, and to provide a polarizing plate using the optical compensation sheet and a liquid crystal display device. SOLUTION: The optical compensation sheet for a TN-mode liquid crystal display device includes at least one transparent film and satisfies the formulae (1): 40≤Re(550)≤130 and (2): 100≤Rth(550)≤200, wherein Re(λ) is an in-plane retardation value for light at a wavelength of λ nm, and Rth(λ) is a retardation value in a thickness direction for light at a wavelength of λ nm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于TN模式的新廉价的光学补偿片，其中视角补偿能力和取决于视角的颜色改变得到改善，并且提供使用光学补偿片的偏振片和液晶显示装置。解决方案：TN模式液晶显示装置用光学补偿片包括至少一层透明膜，满足式（1）：40≤Re（550）≤130和（2）：100≤Rth（550））≤200，其中Re（λ）是波长为λnm的光的面内相位差值，Rth（λ）是波长为λnm的光的厚度方向的延迟值。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008096997A Manufacturing method of ellipsoidal polarizing plate 审中-公开
标题翻译： ELLIPSOIDAL极化板的制造方法
公开(公告)号：JP2008096997A
公开(公告)日：2008-04-24
申请号：JP2007251465
申请日：2007-09-27
申请人： Fujifilm Corp , 富士フイルム株式会社
发明人： ITO YOJI
IPC分类号： G02B5/30 , B29C65/48 , B29D11/00 , B29K23/00 , G02F1/1335 , G02F1/13363
CPC分类号： B29C66/71
摘要： PROBLEM TO BE SOLVED: To provide a method suitable for manufacture of an ellipsoidal polarizing plate.
SOLUTION: The ellipsoidal polarizing plate is manufactured by a process of uniaxial orientation or unbalanced biaxial orientation of a polymer film and a process of laminating a layer, which is formed of rod-like liquid crystal molecules and in which a tilt angle of the rod-like liquid crystal molecule changes according to a distance between the rod-like liquid crystal molecule and a polymer film surface, the polymer film, a polarizing membrane and a transparent protective film in this order.
COPYRIGHT: (C)2008,JPO&INPIT

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