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51. 发明授权

US06667835B2 Optical film, polarizer and display device 有权
公开(公告)号：US06667835B2
公开(公告)日：2003-12-23
申请号：US10115898
申请日：2002-04-05
申请人： Shuuji Yano , Seiji Umemoto
发明人： Shuuji Yano , Seiji Umemoto
IPC分类号： G02B2728
CPC分类号： G02B5/3083 , G02F1/133634
摘要： An optical film having a laminate of three birefringent films A, B and C, the birefringent film A exhibiting dispersion and exhibiting Nz of from 0.4 to 0.6, the birefringent film B exhibiting larger dispersion than that of the birefringent film A and exhibiting smaller Re that that of the birefringent film A and Nz of from 0.4 to 0.6, the birefringent film C exhibiting Re of from 200 to 350 nm and exhibiting Nz of from 0.6 (not inclusively) to 0.9, the birefringent films A and B having slow axes crossing each other perpendicularly when Re=(nx−ny)d and Nz=(nx−nz)/(nx−ny) in which nx, ny and nz are refractive indices of each birefringent film in three-dimensional directions X, Y and Z, and d is the thickness of the birefringent film. A polarizer having a laminate of an optical film defined above and an absorptive type polarizing film, the absorptive type polarizing film being laminated on the birefringent film C side of the optical film so that an absorption axis of the absorptive type polarizing film is parallel to a slow axis of the birefringent film C. A liquid-crystal display device or another display device having an optical film or polarizer defined above.

52. 发明授权

US08962108B2 Liquid crystal display panel and liquid crystal display 有权
标题翻译：液晶显示面板和液晶显示屏
公开(公告)号：US08962108B2
公开(公告)日：2015-02-24
申请号：US12090765
申请日：2006-09-14
申请人： Yuusuke Toyama , Masayuki Satake , Kenji Yoda , Kentarou Kobayashi , Shuuji Yano
发明人： Yuusuke Toyama , Masayuki Satake , Kenji Yoda , Kentarou Kobayashi , Shuuji Yano
IPC分类号： G02F1/1347 , C09K19/00 , B32B5/00 , G02B5/30 , G02B27/28
CPC分类号： G02B5/3083 , G02B27/281 , G02F2202/28 , G02F2413/01 , Y10T428/10 , Y10T428/1036 , Y10T428/1059
摘要： A liquid crystal display panel includes a liquid crystal cell, a first polarizing plate placed on one side of the liquid crystal cell, a second polarizing plate placed on the other side of the liquid crystal cell, a retardation film placed between the liquid crystal cell and the first polarizing plate, and a pressure-sensitive adhesive layer placed between the liquid crystal cell and the retardation film, wherein the first and second polarizing plates have absorption axes whose directions are substantially orthogonal to each other, the retardation film is a norbornene resin-containing stretched film and has a refractive index ellipsoid satisfying the relation nx≧nz>ny, and the pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition including a (meth)acrylate (co)polymer and a crosslinking agent including a peroxide as a main component. When the liquid crystal display panel is viewed from oblique directions, leakage of light and changes in color are small, and when the liquid crystal cell is recycled, the laminated film has a high level of easy peelability.
摘要翻译：液晶显示面板包括液晶单元，位于液晶单元一侧的第一偏振板，位于液晶单元另一侧的第二偏光板，位于液晶单元和所述第一偏振板和位于所述液晶单元和所述延迟膜之间的压敏粘合剂层，其中所述第一和第二偏振片具有彼此基本正交的吸收轴，所述延迟膜是降冰片烯树脂 - 并且具有满足关系nx≥nz> ny的折射率椭圆体，并且所述粘合剂层包括压敏粘合剂，其可以通过将包含（甲基）丙烯酸酯（共）聚合物的组合物和以过氧化物为主要成分的交联剂。当从斜方向观察液晶显示面板时，光的泄漏和颜色变化小，并且当液晶单元被再循环时，层压膜具有高水平的易剥离性。

53. 发明授权

US07852441B2 Liquid crystal panel and liquid crystal display 有权
标题翻译：液晶面板和液晶显示屏
公开(公告)号：US07852441B2
公开(公告)日：2010-12-14
申请号：US11472475
申请日：2006-06-22
申请人： Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga
发明人： Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga
IPC分类号： G02F1/1333 , G02F1/1335
CPC分类号： G02F1/133634 , G02B5/3025 , G02F1/134363
摘要： A liquid crystal panel of the present invention comprises at least: a liquid crystal cell comprising a liquid crystal layer containing a liquid crystal molecule that is oriented in homogeneous alignment with no electric field applied thereto; a first polarizer placed on one side of the liquid crystal cell; a first optical element placed between the liquid crystal cell and the first polarizer; and a second polarizer placed on the other side of the liquid crystal cell, wherein the first optical element is substantially optically isotropic, the liquid crystal cell has an initial alignment direction that is substantially parallel to the direction of an absorption axis of the first polarizer, and the absorption axis of the first polarizer is substantially perpendicular to an absorption axis of the second polarizer. The liquid crystal panel shows less discoloration of images even when the screen is viewed from oblique directions.
摘要翻译：本发明的液晶面板至少包括：液晶单元，其包含含有液晶分子的液晶层，所述液晶分子在不施加电场的情况下以均匀取向取向; 放置在液晶单元一侧的第一偏振片; 放置在液晶单元和第一偏振器之间的第一光学元件; 和位于所述液晶单元的另一侧的第二偏振器，其中所述第一光学元件基本上是光学各向同性的，所述液晶单元具有基本上平行于所述第一偏振器的吸收轴的方向的初始取向方向，并且第一偏振器的吸收轴基本上垂直于第二偏振器的吸收轴。即使从斜方向观看屏幕，液晶面板也显示较少的图像变色。

54. 发明授权

US07602462B2 Polarizing element, liquid crystal panel, liquid crystal television, and liquid crystal display apparatus 失效
标题翻译：偏光元件，液晶面板，液晶电视和液晶显示装置
公开(公告)号：US07602462B2
公开(公告)日：2009-10-13
申请号：US10587999
申请日：2006-02-15
申请人： Naoki Koishi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga , Naoto Ooe
发明人： Naoki Koishi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga , Naoto Ooe
IPC分类号： G02F1/1335
CPC分类号： G02B5/3083 , G02F1/133528 , G02F1/13363 , G02F1/133634 , G02F2413/03 , G02F2413/07 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： It is the object of the present invention to provide a polarizing element capable of increasing a contrast ratio in an oblique direction and reducing a color shift in an oblique direction of a liquid crystal display apparatus. A polarizing element according to the present invention includes a polarizer, a negative C plate, a positive A plate, and a positive C plate each arranged on one side of the polarizer. The positive A plate is arranged between the polarizer and the positive C plate such that a slow axis of the positive A plate is substantially perpendicular to an absorption axis of the polarizer. The positive C plate has RthPC[590] of −60 nm or less.
摘要翻译：本发明的目的是提供一种能够增加倾斜方向的对比度并减少液晶显示装置的倾斜方向上的色移的偏振元件。根据本发明的偏振元件包括偏振器，负C板，正A板和正C板，各自设置在偏振器的一侧。正A板布置在偏振器和正C板之间，使得正A板的慢轴基本上垂直于偏振器的吸收轴。正C板的RthPC [590]为-60nm以下。

55. 发明授权

US07586569B2 IPS mode liquid crystal display 有权
标题翻译： IPS模式液晶显示
公开(公告)号：US07586569B2
公开(公告)日：2009-09-08
申请号：US11084027
申请日：2005-03-21
申请人： Shuuji Yano , Masayuki Kawai
发明人： Shuuji Yano , Masayuki Kawai
IPC分类号： G02F1/1335
CPC分类号： G02F1/134363 , G02F1/13363 , G02F2001/133635 , G02F2202/40 , G02F2413/02
摘要： An IPS mode liquid crystal display comprising a liquid crystal cell, an optical film (F1) provided on a cell substrate on one side of the liquid crystal cell and comprises a polarizing plate comprising a transparent protective film having an in-plane retardation Re 10 nm or less and a thickness direction retardation Rth in the range of from 30 to 100 nm, a retardation film having an Nz value in the range of from 0.3 to 0.7 and an in-plane retardation Re1 in the range of from 200 to 300 nm, and an optical film (F2) provided on a cell substrate on the other side of the liquid crystal cell and comprises the polarizing plate and a retardation film having an Nz value in the range of from 0.9 to 1.2 and an in-plane retardation Re2 in the range of from 150 to 280 nm, and the absorption axes of the polarizing plates of the optical film (F1) and the optical film (F2) are perpendicular to each other, and both films are disposed so that the retardation film sides face the liquid crystal cell. The IPS mode liquid crystal display has a high contrast ratio across a wide range, and capable of realizing a better view.
摘要翻译：一种IPS模式液晶显示器，包括液晶单元，设置在液晶单元一侧的单元基板上的光学膜（F1），包括具有面内相位差Re 10nm的透明保护膜的偏振片 30〜100nm范围内的厚度方向延迟Rth，Nz值在0.3〜0.7，面内相位差Re1在200〜300nm范围内的延迟膜，以及设置在所述液晶单元的另一侧的单元基板上的光学膜（F2），所述光学膜包括所述偏振片和Nz值在0.9〜1.2范围内的相位差膜和面内相位差Re2 150〜280nm的范围以及光学膜（F1）和光学膜（F2）的偏振片的吸收轴彼此垂直，并且设置两个膜，使得相位差膜侧面向液晶单元 IPS模式液晶显示器在宽范围内具有高对比度，并且能够实现更好的视野。

56. 发明申请

US20090002606A1 Liquid Crystal Panel and Liquid Crystal Display Apparatus 有权
标题翻译：液晶面板和液晶显示装置
公开(公告)号：US20090002606A1
公开(公告)日：2009-01-01
申请号：US12162519
申请日：2007-01-31
申请人： Masatoshi Tomonaga , Naoto Ooe , Kenji Yoda , Shuuji Yano
发明人： Masatoshi Tomonaga , Naoto Ooe , Kenji Yoda , Shuuji Yano
IPC分类号： G02F1/1335
CPC分类号： G02B5/3033 , G02B5/3083 , G02F1/133634 , G02F2001/133637
摘要： Provided are a liquid crystal panel capable of constituting a liquid crystal display apparatus in which a contrast and a display color are unlikely to change depending upon a viewing angle and an azimuth, and a liquid crystal display apparatus using the liquid crystal panel. The liquid crystal panel of the present invention at least includes a liquid crystal cell, a first polarizer placed on one side of the liquid crystal cell, a second polarizer placed on another side of the liquid crystal cell, a first optical element placed between the liquid crystal cell and the first polarizer, a second optical element placed between the liquid crystal cell and the first optical element, and a third optical element placed between the liquid crystal cell and the second polarizer, in which an absorption axis of the first polarizer is perpendicular to an absorption axis of the second polarizer, the first optical element has a relationship of nz>nx=ny, the second optical element has a relationship of nx>ny=nz and a slow axis thereof parallel to an absorption axis of the first polarizer, and the third optical element has an optical isotropy.
摘要翻译：提供一种能够构成其中对比度和显示颜色根据视角和方位不可能改变的液晶显示装置的液晶面板，以及使用液晶面板的液晶显示装置。本发明的液晶面板至少包括液晶单元，位于液晶单元一侧的第一偏振器，位于液晶单元另一侧的第二偏振器，放置在液晶单元之间的第一光学元件晶体单元和第一偏振器，放置在液晶单元和第一光学元件之间的第二光学元件和放置在液晶单元和第二偏振器之间的第三光学元件，其中第一偏振器的吸收轴垂直与第二偏振片的吸收轴相对，第一光学元件具有nz> nx = ny的关系，第二光学元件具有nx> ny = nz的关系和与第一偏振片的吸收轴平行的慢轴，第三光学元件具有光学各向同性。

57. 发明授权

US07463320B2 Liquid crystal panel and display apparatus having a negative biaxial element of 110 to 250 nm thickness direction retardation value and an Nz coefficient of 1.4 or more 有权
标题翻译：具有110-250nm的负双轴元件的厚度方向延迟值和1.4以上的Nz系数的液晶面板和显示装置
公开(公告)号：US07463320B2
公开(公告)日：2008-12-09
申请号：US11265202
申请日：2005-11-03
申请人： Kentarou Kobayashi , Shuuji Yano , Naoki Koishi
发明人： Kentarou Kobayashi , Shuuji Yano , Naoki Koishi
IPC分类号： G02F1/1335
CPC分类号： G02B5/3016 , G02F1/1335 , G02F1/133634 , G02F1/134363 , G02F1/141 , G02F2001/133531 , G02F2201/50
摘要： A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a second polarizer arranged on another side of the liquid crystal cell; a negative biaxial optical element and a positive C plate arranged between the liquid crystal cell and the first polarizer; and an isotropic optical element arranged between the liquid crystal cell and the second polarizer. Here, the negative biaxial optical element is arranged between the first polarizer and the positive C plate.
摘要翻译：根据本发明实施例的液晶面板包括：液晶单元; 布置在液晶单元一侧的第一偏振片; 布置在液晶单元的另一侧的第二偏振片; 布置在液晶单元和第一偏振器之间的负双轴光学元件和正C板; 以及布置在液晶单元和第二偏振器之间的各向同性光学元件。这里，负双轴光学元件设置在第一偏振器和正C板之间。

58. 发明申请

US20080284948A1 Polarizing Element, Liquid Crystal Panel, Liquid Crystal Television, and Liquid Crystal Display Apparatus 失效
标题翻译：偏振元件，液晶面板，液晶电视和液晶显示装置
公开(公告)号：US20080284948A1
公开(公告)日：2008-11-20
申请号：US10587999
申请日：2006-02-15
申请人： Naoki Koishi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga , Naoto Ooe
发明人： Naoki Koishi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi , Masatoshi Tomonaga , Naoto Ooe
IPC分类号： G02F1/13363 , G02B5/30 , G02B1/08
CPC分类号： G02B5/3083 , G02F1/133528 , G02F1/13363 , G02F1/133634 , G02F2413/03 , G02F2413/07 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： It is the object of the present invention to provide a polarizing element capable of increasing a contrast ratio in an oblique direction and reducing a color shift in an oblique direction of a liquid crystal display apparatus. A polarizing element according to the present invention includes a polarizer, a negative C plate, a positive A plate, and a positive C plate each arranged on one side of the polarizer. The positive A plate is arranged between the polarizer and the positive C plate such that a slow axis of the positive A plate is substantially perpendicular to an absorption axis of the polarizer. The positive C plate has RthPC[590] of −60 nm or less.
摘要翻译：本发明的目的是提供一种能够增加倾斜方向的对比度并减少液晶显示装置的倾斜方向上的色移的偏振元件。根据本发明的偏振元件包括偏振器，负C板，正A板和正C板，各自设置在偏振器的一侧。正A板布置在偏振器和正C板之间，使得正A板的慢轴基本上垂直于偏振器的吸收轴。正C板具有-60nm或更小的Rth PC [590]。

59. 发明授权

US07336857B2 Retardation film, process for producing the same, optical film, image display, liquid crystal panel and liquid crystal display 有权
标题翻译：延迟膜，其制造方法，光学膜，图像显示器，液晶面板和液晶显示器
公开(公告)号：US07336857B2
公开(公告)日：2008-02-26
申请号：US11491018
申请日：2006-07-24
申请人： Satoru Kawahara , Masaki Hayashi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi
发明人： Satoru Kawahara , Masaki Hayashi , Shuuji Yano , Kenji Yoda , Kentarou Kobayashi
IPC分类号： G02B6/00 , G02F1/1335
CPC分类号： G02F1/133634 , G02B5/3083 , G02B27/286
摘要： A retardation film of the present invention comprises a stretched film of a polymer film containing a norbornene-based resin, wherein the stretched film satisfies the following equation (1) and the equation (2); 100 nm≦(nx−ny)·d≦350 nm . . . (1), 0.1≦(nx−nz)/(nx−ny)≦0.9 . . . (2), where the refractive indices in the slow axis direction, the fast axis direction and the thickness direction of the film are nx, ny and nz, respectively, d(nm) is thickness of the film, and the slow axis direction is a direction that the refractive index in film plane is maximum. The retardation film is hard to cause a shift or an unevenness of a retardation value due to a stress.
摘要翻译：本发明的延迟膜包括含有降冰片烯系树脂的聚合物膜的拉伸膜，其中，拉伸膜满足下述式（1）和式（2）。 100nm <=（nx-ny）.d <= 350nm。。。（1），0.1 <=（nx-nz）/（nx-ny）<= 0.9。。。（2）中，膜的慢轴方向，快轴方向和厚度方向的折射率分别为nx，ny，nz，d（nm）为膜的厚度，慢轴方向为膜平面的折射率最大的方向。延迟膜由于应力而难以引起延迟值的偏移或不均匀。

60. 发明申请

US20070279553A1 Liquid Crystal Panel, Liquid Crystal Television, and Liquid Crystal Display Apparatus 审中-公开
标题翻译：液晶面板，液晶电视和液晶显示装置
公开(公告)号：US20070279553A1
公开(公告)日：2007-12-06
申请号：US11578352
申请日：2006-03-07
申请人： Kenji Yoda , Shuuji Yano , Masaki Hayashi , Kentarou Kobayashi
发明人： Kenji Yoda , Shuuji Yano , Masaki Hayashi , Kentarou Kobayashi
IPC分类号： G02F1/1335
CPC分类号： G02F1/13363 , G02F1/133634 , G02F1/1393 , G02F2001/133633 , G02F2202/40 , G02F2413/04 , G02F2413/11 , G02F2413/13 , G02F2413/14
摘要： It is an object of the present invention to provide a liquid crystal panel, a liquid television and a liquid crystal display apparatus each having significantly reduced light leak and coloring in black display, a high contrast ratio in an oblique direction and a small color shift in an oblique direction. A liquid crystal panel according to the present invention includes: a liquid crystal cell including a liquid crystal layer containing nematic liquid crystals in homogeneous alignment in an absence of an electric field; a first polarizer arranged on a viewer side of the liquid crystal cell; a first laminated optical element arranged between the liquid crystal cell and the first polarizer; a second polarizer arranged on a backlight side of the liquid crystal cell; and a second laminated optical element arranged between the liquid crystal cell and the second polarizer.
摘要翻译：本发明的目的是提供一种液晶显示面板，液晶显示器和液晶显示装置，它们均显着地减少了黑色显示器中的漏光和着色，在倾斜方向上具有高对比度和小的色移一个倾斜的方向。根据本发明的液晶面板包括：液晶单元，其在不存在电场的情况下包括均匀取向的含有向列型液晶的液晶层; 布置在液晶单元的观察者侧的第一偏振片; 布置在液晶单元和第一偏振器之间的第一层压光学元件; 布置在液晶单元的背光源侧的第二偏振片; 以及布置在液晶单元和第二偏振器之间的第二层压光学元件。

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