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    Optical film, optical compensation film, polarizing plate and liquid crystal display
    3.
    发明申请
    Optical film, optical compensation film, polarizing plate and liquid crystal display 审中-公开
    光学膜，光学补偿膜，偏光板和液晶显示器

    公开(公告)号：US20070076155A1

    公开(公告)日：2007-04-05

    申请号：US11515783

    申请日：2006-09-06

    申请人： Hajime Nakayama ,  Hirofumi Toyama ,  Yuta Takahashi

    发明人： Hajime Nakayama ,  Hirofumi Toyama ,  Yuta Takahashi

    IPC分类号： G02F1/1335

    CPC分类号： G02F1/13363 ,  C08B3/00 ,  C08J5/18 ,  C08J2301/10 ,  G02B1/04 ,  G02B5/305 ,  G02B5/3083 ,  G02F1/133528 ,  G02F1/1393 ,  G02F2001/133531 ,  G02F2001/133637 ,  G02F2001/133638 ,  G02F2202/40 ,  G02F2413/02 ,  Y10T428/1036

    摘要： An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10;   (1) −25≦Rth(550)≦25; and   (2) |I|+|II|+|III|+|IV|>0.5 (nm),   (3) with definitions: I=Re(450)−Re(550); II=Re(650)−Re(550); III=Rth(450)−Rth(550); and IV=Rth(650)−Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.

    摘要翻译： 提供了一种光学膜，具有满足关系（1）〜（3）的延迟：<？in-line-formula description =“In-line formula”end =“lead”？> 0 <= Re（550）<= 10 ; （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> = Rth（550）<= 25; 和（2）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> | I | + | II | + | III | + | IV |> 0.5（nm），（3）<？in-line-formula description =“In-line Formulas”end =“tail”？> -line-formula description =“In-line Formulas”end =“lead”？> I = Re（450）-Re（550）; <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> II = Re（650） -Re（550）; <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> III = Rth（450） -Rth（550）; 和<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> IV = Rth 其中Re（450），Re（550）和Re（650）被测量为平面内延迟 波长分别为450,550和650nm的光; 和Rth（450），Rth（550）和Rth（650）分别是在450,550和650nm的波长的光下测量的光学膜的厚度方向的延迟。

    VA-mode liquid crystal display device
    6.
    发明授权
    VA-mode liquid crystal display device 有权
    VA型液晶显示装置

    公开(公告)号：US08159639B2

    公开(公告)日：2012-04-17

    申请号：US12363976

    申请日：2009-02-02

    申请人： Yujiro Yanai ,  Hajime Nakayama ,  Hirofumi Toyama

    发明人： Yujiro Yanai ,  Hajime Nakayama ,  Hirofumi Toyama

    IPC分类号： G02F1/1335

    CPC分类号： G02F1/133634 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/3475 ,  C09K19/348 ,  C09K19/3491 ,  C09K19/3494 ,  C09K19/3497 ,  G02B5/3083 ,  G02F2001/133635 ,  G02F2001/133637 ,  G02F2001/133742 ,  G02F2201/50 ,  G02F2413/02 ,  G02F2413/08 ,  G02F2413/12 ,  Y10T428/1036 ,  Y10T428/105

    摘要： A liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in the black state, first and second polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween so that their absorption axes are orthogonal to each other, a retardation film A and a retardation film B, wherein the retardation films A and B are equivalent to each other in terms of retardation in plane at a wavelength of 548 nm, Re(548), and retardation along thickness direction at a wavelength of 548 nm, Rth(548) thereof, but differ from each other in terms of the wavelength dispersion characteristics of retardation in plane Re and/or retardation along thickness direction Rth thereof in a visible light region, is disclosed.

    摘要翻译： 一种液晶显示装置，包括：液晶单元，其包括在黑色状态下垂直对准其基板的液晶层;第一和第二偏振元件，其设置成将液晶单元夹在其间，使得其吸收 轴相互正交，延迟膜A和延迟膜B，其中延迟膜A和B在波长为548nm的平面中的延迟方面彼此相等，Re（548）和相位差 公开了波长548nm的厚度方向，Rth（548），但是在可见光区域的平面内的相位差的波长色散特性和/或其沿着厚度方向的延迟方向Rth彼此不同。

    Liquid Crystal Display Device
    7.
    发明申请
    Liquid Crystal Display Device 有权
    液晶显示装置

    公开(公告)号：US20080137014A1

    公开(公告)日：2008-06-12

    申请号：US11930255

    申请日：2007-10-31

    申请人： Hirofumi Toyama ,  Hajime Nakayama

    发明人： Hirofumi Toyama ,  Hajime Nakayama

    IPC分类号： G02F1/13363

    CPC分类号： G02F1/13363 ,  G02F1/1393 ,  G02F2001/133637 ,  G02F2413/02 ,  G02F2413/11

    摘要： A novel liquid crystal display device is disclosed. The device comprises a first polarizing element and a second polarizing element which are disposed with their transmission axes perpendicular to each other, a liquid crystal layer disposed between the first and the second polarizing elements, and a first optically anisotropic layer disposed between the first or the second polarizing element and the liquid crystal layer, showing a positive in-plane retardation (Re) at λ1 and a negative Re at λ2, both of λ1 and λ2 (λ1≠λ2) are within a visible wavelength range, and its absolute value of a thickness-direction retardation at 550 nm, |Rth(550)|, is equal to or more than 50 nm.

    摘要翻译： 公开了一种新颖的液晶显示装置。 该装置包括第一偏振元件和第二偏振元件，第一偏振元件和第二偏振元件以其透光轴彼此垂直的方式设置，液晶层设置在第一和第二偏振元件之间，第一光学各向异性层设置在第一或第二偏振元件之间， 第二偏振元件和液晶层，在λ1处呈现正的面内延迟（Re），在λ2处呈现负λRe，λ1和λ2（λ1>λ2）均在可见光波长范围内，其绝对值 550nm处的厚度方向延迟| Rth（550）|等于或大于50nm。

    LIQUID-CRYSTAL DISPLAY DEVICE
    8.
    发明申请
    LIQUID-CRYSTAL DISPLAY DEVICE 有权
    液晶显示装置

    公开(公告)号：US20110001908A1

    公开(公告)日：2011-01-06

    申请号：US12666450

    申请日：2008-06-24

    申请人： Nobutaka Fukagawa ,  Hajime Nakayama ,  Hirofumi Toyama

    发明人： Nobutaka Fukagawa ,  Hajime Nakayama ,  Hirofumi Toyama

    IPC分类号： G02F1/1335

    CPC分类号： G02F1/1393 ,  G02F1/133634

    摘要： A liquid-crystal display device comprising a liquid-crystal cell, a first polarizing element and a second polarizing element disposed on either side of the liquid-crystal cell respectively, a first retardation layer between the first polarizing element and the liquid-crystal cell, and a second retardation layer between the second polarizing element and the liquid-crystal cell, wherein a transmission axis of the first polarizing element is perpendicular to the slow axis of the first retardation layer; and a transmission axis of the second polarizing element is parallel to the slow axis of the second retardation layer; and the first retardation layer and the second retardation layer satisfy the formula (1) 0 nm

    摘要翻译： 一种液晶显示装置，包括分别设置在液晶单元的两侧的液晶单元，第一偏振元件和第二偏振元件，第一偏振元件和液晶单元之间的第一延迟层， 以及第二偏振元件和液晶单元之间的第二延迟层，其中第一偏振元件的透射轴垂直于第一延迟层的慢轴; 并且所述第二偏振元件的透射轴平行于所述第二延迟层的慢轴; 并且第一延迟层和第二延迟层满足式（1）0nm <＆Dgr; Re1（548） - ＆Dgr; Re2（548）＆nlE; 50nm。

    Optical film and polarizing plate
    10.
    发明申请
    Optical film and polarizing plate 审中-公开
    光学膜和偏光板

    公开(公告)号：US20080192192A1

    公开(公告)日：2008-08-14

    申请号：US12004017

    申请日：2007-12-20

    申请人： Hirofumi Toyama ,  Kotaro Yasuda ,  Hajime Nakayama ,  Nobutaka Fukagawa ,  Akira Ikeda

    发明人： Hirofumi Toyama ,  Kotaro Yasuda ,  Hajime Nakayama ,  Nobutaka Fukagawa ,  Akira Ikeda

    IPC分类号： G02F1/1335

    CPC分类号： G02F1/133634 ,  G02B5/305 ,  G02F1/1393

    摘要： A novel biaxial optical film of which in-plane retardation (Re) and thickness-direction retardation (Rth) are larger at a longer wavelength range within a range of from 400 nm to 700 nm, wherein the in-plane retardation thereof at a wavelength of 550 nm, Re(550), satisfies Re(550)>20 nm and the Nz value thereof (Nz=Rth(550)/Re(550)+0.5) satisfies 1.1≦Nz≦5, is disclosed. And a polarizing plate comprising the optical film is also disclosed.

    摘要翻译： 在400nm至700nm的范围内的较长波长范围内面内延迟（Re）和厚度方向延迟（Rth）较大的新型双轴光学膜，其中波导的面内相位差 550（Re（550））满足Re（550）> 20nm，其Nz值（Nz = Rth（550）/ Re（550）+0.5）满足1.1≤Nz≤5。 还公开了一种包括光学膜的偏振片。