公开(公告)号：US08836897B2

公开(公告)日：2014-09-16

申请号：US13446695

申请日：2012-04-13

申请人： Jun Takeda ,  Makoto Ishiguro ,  Isao Fujiwara ,  Hirofumi Toyama ,  Yoji Ito

发明人： Jun Takeda ,  Makoto Ishiguro ,  Isao Fujiwara ,  Hirofumi Toyama ,  Yoji Ito

IPC分类号： G02F1/1335 ,  G02F1/1333 ,  G03B21/14 ,  G02B5/30 ,  G02F1/13363

CPC分类号： G02F1/133371 ,  G02F1/133514 ,  G02F1/133634 ,  G02F2001/133637 ,  G02F2202/40 ,  G02F2203/01 ,  G02F2203/04 ,  G02F2413/02 ,  G02F2413/11 ,  G02F2413/12

摘要： A liquid crystal display device comprising a liquid crystal cell and a polarizer arranged on at least one outer side of the liquid crystal cell, wherein the liquid crystal cell includes a pair of substrates at least one of which has an electrode and which are arranged oppositely to each other, and a liquid crystal layer sandwiched between the substrates, and at least one substrate includes at least three color pixels of B, G and R satisfying the following formula (1-1), and the polarizer includes a polarizing element and a film satisfying the following formula (1-2) and containing an optically-anisotropic layer: −20 nm≦{Rth[cell](630)−Rth[cell](440)}≦28 nm,  (1-1) 1 nm

摘要翻译： 一种液晶显示装置，包括液晶单元和布置在液晶单元的至少一个外侧的偏振器，其中液晶单元包括一对基板，其中至少一个具有电极，并且与液晶单元 以及夹在基板之间的液晶层，并且至少一个基板包括满足以下公式（1-1）的B，G和R的至少三个彩色像素，并且偏振器包括偏振元件和膜 满足下列公式（1-2）并含有光学各向异性层：-20nm＆amp; NlE; {Rth [cell]（630）-Rth [cell]（440）}＆nlE; 28nm，（1-1） Re（630）-Re（440）＆nlE; 12nm。 （1-2）。

公开(公告)号：US08792071B2

公开(公告)日：2014-07-29

申请号：US13432971

申请日：2012-03-28

申请人： Hirofumi Toyama ,  Jun Takeda ,  Yoshiaki Hisakado ,  Yoji Ito

发明人： Hirofumi Toyama ,  Jun Takeda ,  Yoshiaki Hisakado ,  Yoji Ito

IPC分类号： G02F1/1335

CPC分类号： G02B5/305 ,  C08J5/18 ,  C08J2301/10 ,  C08J2301/12 ,  C08J2301/14 ,  C08K5/0016 ,  C08K5/12 ,  C08K5/151 ,  C08K5/1535 ,  C08K5/1545 ,  C08K5/34 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14

摘要： A cellulose acylate film containing a cellulose acylate having a total degree of substitution of from 1.5 to 2.6 and a polycondensate ester, satisfying 3.4≦Rth(550)/d, 40 nm≦Re(550)≦60 nm and 100 nm≦Rth(550)≦300 nm, having a film thickness of from 20 to 45 μm and having an internal haze of from 0.005 to 0.07% (d means the film thickness (μm)).

摘要翻译： 含有总取代度为1.5〜2.6的纤维素酰化物和缩聚酯的纤维素酰化物膜，满足3.4＆nlE; Rth（550）/ d，40nm＆amp; Re; 550（550）＆amp; Enl; 60nm和100nm＆lt; Rth（550）＆nlE; 300nm，膜厚为20〜45μm，内部雾度为0.005〜0.07％（d为膜厚（μm））。

公开(公告)号：US08477275B2

公开(公告)日：2013-07-02

申请号：US13272979

申请日：2011-10-13

申请人： Hirofumi Toyama ,  Isao Fujiwara ,  Jun Takeda ,  Yoji Ito

发明人： Hirofumi Toyama ,  Isao Fujiwara ,  Jun Takeda ,  Yoji Ito

IPC分类号： G02F1/1335

CPC分类号： G02B5/3025 ,  G02F2001/133637 ,  G02F2413/11

摘要： An optical film contains a cellulose acylate film, and at least two layers of an optically anisotropic layer A and an optically anisotropic layer B, wherein the cellulose acylate film satisfies the specific formulae, Re(548) of the optically anisotropic layer A is from 80 to 190 nm and the slow axis of the optically anisotropic layer A is at 45°±10° with respect to the film conveying direction, and the optically anisotropic layer B satisfies the specific formulae.

摘要翻译： 光学膜包含纤维素酰化物膜和至少两层光学各向异性层A和光学各向异性层B，其中纤维素酰化物膜满足具体式，光学各向异性层A的Re（548）为80 至190nm，光学各向异性层A的慢轴相对于膜输送方向为45°±10°，光学各向异性层B满足特定的式。

公开(公告)号：US08203675B2

公开(公告)日：2012-06-19

申请号：US12370731

申请日：2009-02-13

申请人： Yujiro Yanai ,  Hirofumi Toyama ,  Hajime Nakayama

发明人： Yujiro Yanai ,  Hirofumi Toyama ,  Hajime Nakayama

IPC分类号： G02F1/1335

CPC分类号： G02F1/1393 ,  G02F1/133634 ,  G02F2413/02 ,  G02F2413/12

摘要： A liquid-crystal display device comprising a liquid-crystal cell having 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 in a manner that their absorption axes are perpendicular to each other, an optically-biaxial retardation film A disposed between the first polarizing element and the liquid-crystal cell, and an optically-biaxial retardation film B disposed between the second polarizing element and the liquid-crystal cell, wherein the retardation films A and B differ from each other in the optical anisotropy, is disclosed.

摘要翻译： 一种液晶显示装置，包括：液晶单元，其具有在黑色状态下与其基板垂直取向的液晶层;第一和第二偏振元件，其设置成将液晶单元夹在其间， 它们的吸收轴彼此垂直，设置在第一偏振元件和液晶单元之间的光学双轴延迟膜A和设置在第二偏振元件和液晶单元之间的光学双轴延迟膜B， 其中相位差膜A和B在光学各向异性方面彼此不同。

公开(公告)号：US20100328584A1

公开(公告)日：2010-12-30

申请号：US12822783

申请日：2010-06-24

申请人： Hirofumi Toyama ,  Yoji Ito ,  Junichi Hirakata ,  Shinji Ueda

发明人： Hirofumi Toyama ,  Yoji Ito ,  Junichi Hirakata ,  Shinji Ueda

IPC分类号： G02F1/13363 ,  G02F1/1335

CPC分类号： C09J133/08 ,  C08F2220/1825 ,  G02F1/133502 ,  G02F1/133528 ,  G02F1/13363 ,  G02F1/13439 ,  G02F2001/13712 ,  G02F2201/50 ,  G02F2202/022 ,  G02F2202/28 ,  G02F2202/40 ,  C08F2220/301 ,  C08F220/06

摘要： A liquid crystal display device is provided and includes: a liquid crystal cell including a pair of transparent glass substrates each having a transparent electrode, and a nematic liquid crystal between the pair of the transparent glass substrates; and a pair of polarizing plates sandwiching the liquid crystal cell. At least one of the pair of polarizing plates includes a protective film; a polarizer; and an optical compensation film. One of the pair of transparent glass substrates, an, adhesive; the optical compensation film; the polarizer; and the protective film are stacked in this order, and they satisfy the following equations (1) to (3): |n1−n2|≦0.03  (1) |n2−n3|≦0.03  (2) |n1−n3|≦0.03  (3) where n1, n2, and n3 indicate average refractive indices at 589 nm of the one of the pair of the transparent glass electrodes, the adhesive; and the optical compensation film, respectively.

摘要翻译： 提供了一种液晶显示装置，包括：液晶单元，其包括一对透明玻璃基板，每个透明玻璃基板均具有透明电极;以及在一对透明玻璃基板之间的向列型液晶; 以及夹着液晶单元的一对偏光板。 所述一对偏振板中的至少一个包括保护膜; 偏振片 和光学补偿膜。 一对透明玻璃基板之一，粘合剂; 光学补偿膜; 偏光片; （1）〜（3）：| n1-n2 |＆nlE; 0.03（1）| n2-n3 |＆nlE; 0.03（2）| n1-n3 |＆nlE; 0.03（3）其中n1，n2和n3表示一对透明玻璃电极之一的粘合剂在589nm处的平均折射率; 和光学补偿膜。

公开(公告)号：US07697095B2

公开(公告)日：2010-04-13

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处具有正的面内相位差（Re），在λ2处显示负的Re，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。

公开(公告)号：US20090086131A1

公开(公告)日：2009-04-02

申请号：US12237843

申请日：2008-09-25

申请人： Hajime Nakayama ,  Nobutaka Fukagawa ,  Hirofumi Toyama ,  Yujiro Yanai ,  Yoshiaki Hisakado

发明人： Hajime Nakayama ,  Nobutaka Fukagawa ,  Hirofumi Toyama ,  Yujiro Yanai ,  Yoshiaki Hisakado

IPC分类号： G02F1/1335

CPC分类号： G02F1/13363 ,  G02F2001/133742

摘要： Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm≦Re(550)≦80 nm, 70 nm≦Rth(550)≦140 nm, Re(450)/Re(550) 1.

摘要翻译： 公开了一种液晶显示装置，包括：液晶单元，其包括以黑色状态垂直对准其基板的液晶层;两个偏振元件，其设置成以其间夹着液晶单元的方式， 它们的吸收轴彼此垂直，并且具有设置在两个偏振元件和液晶单元中的每一个之间的具有等效的光学各向异性的延迟膜，其中延迟膜包括纤维素酰化物和液晶化合物，并且满足 30nm <= Re（550）<= 80nm，70nm <= Rth（550）<= 140nm，Re（450）/ Re（550）<1和Re（650）/ Re（550）

公开(公告)号：US20080204644A1

公开(公告)日：2008-08-28

申请号：US12004016

申请日：2007-12-20

申请人： Hirofumi Toyama ,  Kotaro Yasuda ,  Hajime Nakayama ,  Nobutaka Fukagawa ,  Keiichi Taguchi

发明人： Hirofumi Toyama ,  Kotaro Yasuda ,  Hajime Nakayama ,  Nobutaka Fukagawa ,  Keiichi Taguchi

IPC分类号： G02F1/1335

CPC分类号： G02F1/133634 ,  G02B5/3083 ,  G02F2203/64

摘要： A liquid crystal display device comprising first and second polarizing elements of which transmission axes are perpendicular to each other, and, disposed between the polarizing elements, a liquid crystal layer vertically aligned in a black state, and first and second optically anisotropic layer is disclosed. In the liquid crystal display device, the first optically anisotropic layer is a biaxial optically anisotropic layer 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, and the second optically anisotropic layer satisfies 0 nm 10 in which Re(550) is in-plane retardation (Re) at a wavelength of 550 nm and Rth(550) is thickness-direction retardation at the same wavelength.

摘要翻译： 一种液晶显示装置，包括透射轴彼此垂直的第一和第二偏振元件，并且设置在偏振元件之间，以黑色状态垂直取向的液晶层，以及第一和第二光学各向异性层。 在液晶显示装置中，第一光学各向异性层是在400nm以上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）大的双轴光学各向异性层 700nm，第二光学各向异性层满足Re（550）为面内相位差的0nm Re）波长为550nm，Rth（550）为相同波长的厚度方向延迟。

公开(公告)号：US20080158488A1

公开(公告)日：2008-07-03

申请号：US11960841

申请日：2007-12-20

申请人： Yuujirou Yanai ,  Hirofumi Toyama ,  Hajime Nakayama

发明人： Yuujirou Yanai ,  Hirofumi Toyama ,  Hajime Nakayama

IPC分类号： G02F1/13363 ,  G02F1/1335 ,  G02F1/13

CPC分类号： G02F1/133371 ,  G02F1/133514 ,  G02F1/133533 ,  G02F1/13363

摘要： A liquid crystal display device comprising at least a liquid crystal cell, and a polarizing plate (a first polarizing plate) disposed on at least one side of the outsides of the liquid crystal cell, wherein the liquid crystal cell comprises a pair of substrates which face each other, an electrode disposed on at least one of the pair of substrates, a liquid crystal layer sandwiched between the pair of substrates, and at least three pixel regions, a color filter showing wavelength selectivity in transmissivity is disposed on each of the at least three pixel regions is disclosed. In the liquid crystal display device, the thicknesses of the liquid crystal layers corresponding to a color filter showing a maximum transmissivity at a main wavelength λ1, a color filter showing a maximum transmissivity at a main wavelength λ2, and a color filter showing a maximum transmissivity at a main wavelength λ3, provided that λ1, λ2, and λ3 (unit: nm) are in an order from the smaller one, are d1, d2 and d3 (unit: nm) respectively, and Relation (1) is satisfied: d2

摘要翻译： 一种液晶显示装置，其至少包括液晶单元和设置在所述液晶单元的外侧的至少一侧的偏振板（第一偏振板），其中，所述液晶单元包括一对基板， 彼此设置在一对基板中的至少一个基板上的电极，夹在该对基板之间的液晶层和至少三个像素区域，至少在三个像素区域中布置透射率的波长选择性的滤色器， 公开了三个像素区域。 在液晶显示装置中，对应于在主波长λ1上显示最大透射率的滤色器的液晶层的厚度，显示主波长λ<1的最大透射率的滤色器， SUB＆gt; 2＆gt;和滤色器，其在主波长λ3 3处表现出最大的透射率，条件是λ1，λ2 >和λ3（单位：nm）是从较小的顺序，分别为d 1，2，2和d _{3 （单位：nm），并且满足关系（1）：<？in-line-formula description =“In-line Formulas”end =“lead”？> d < 3＆lt; D＆lt; 3＆lt; 3＆gt ;. ：（1）<？in-line-formula description =“In-line Formulas”end =“tail”？>}

公开(公告)号：US20130068133A1

公开(公告)日：2013-03-21

申请号：US13612250

申请日：2012-09-12

申请人： Shusuke ARITA ,  Hirofumi TOYAMA ,  Junichi SATO ,  Eiichiro AMINAKA

发明人： Shusuke ARITA ,  Hirofumi TOYAMA ,  Junichi SATO ,  Eiichiro AMINAKA

IPC分类号： C08L1/10

CPC分类号： C08L1/12 ,  C08K3/36 ,  C08K5/103 ,  C08K5/34922 ,  C08L67/02 ,  G02B5/3033

摘要： A cellulose ester film includes at least one polyester; and a cellulose ester having a degree of substitution of 2.0 to 2.6. A weight average molecular weight of the polyester is 1,500 or less, and a ratio of components having a molecular weight of 500 or less in the polyester is less than 8%.

摘要翻译： 纤维素酯膜包括至少一种聚酯; 和取代度为2.0〜2.6的纤维素酯。 聚酯的重均分子量为1500以下，聚酯中分子量为500以下的成分的比例小于8％。