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1. 发明授权

US11015977B2 Optical laminated film allowing detection of polarization state, and polarization imaging sensor using optical laminated film comprising dual phase difference plates with patterned optical anisotropic layers 有权
公开(公告)号：US11015977B2
公开(公告)日：2021-05-25
申请号：US16146131
申请日：2018-09-28
申请人： FUJIFILM Corporation
发明人： Yujiro Yanai , Jun Takeda , Michio Nagai , Akira Yamamoto
IPC分类号： G01J4/04 , H01L27/14 , G02B27/28 , G01N21/21 , G02B5/30 , H01L27/146
摘要： An object of the invention is to provide an optical laminated film capable of detecting a light polarization state with a simple configuration using components which are superior in productivity and have high versatility, and a polarization imaging sensor using the optical laminated film. An optical laminated film includes: first and second phase difference plates, each having a patterned optical anisotropic layer; and a polarizing plate having a polarization axis in one direction, the patterned optical anisotropic layers have a constant phase difference, are divided into a plurality of belt-like regions in the same plane, and have a plurality of units, each formed of the plurality of belt-like regions in which slow axis directions in one belt-like region coincide with each other, and slow axis directions in the respective belt-like regions are all different, and the first phase difference plate, the second phase difference plate, and the polarizing plate are laminated in this order such that the belt-like regions of the two phase difference plates intersect with each other.

2. 发明授权

US10585312B2 Laminate and optical film 有权
公开(公告)号：US10585312B2
公开(公告)日：2020-03-10
申请号：US15684219
申请日：2017-08-23
申请人： FUJIFILM Corporation
发明人： Nobuyuki Akutagawa , Jun Takeda , Akio Tamura
IPC分类号： G02F1/1337 , G02F1/1335 , G02F1/13363
摘要： A laminate is capable of forming an orientation film formed by orienting a rod-like liquid crystal compound or a disk-like liquid crystal compound having a horizontal orientation ability or a vertical orientation ability with respect to a surface of the laminate, on the surface, by using an orientation restraining force of the surface, the laminate including: a cholesteric liquid crystal layer. An optical film sequentially includes: a support; a cholesteric liquid crystal layer; and an orientation film.

3. 发明授权

US10001674B2 Brightness enhancement film, optical sheet member, and liquid crystal display device 有权
公开(公告)号：US10001674B2
公开(公告)日：2018-06-19
申请号：US15231057
申请日：2016-08-08
申请人： FUJIFILM Corporation
发明人： Jun Takeda , Yuki Matsuda , Nobuyuki Akutagawa , Kotaro Yasuda , Katsufumi Ohmuro , Hideyuki Nishikawa , Akiko Watano , Yukito Saitoh , Mitsuyoshi Ichihashi , Wataru Hoshino , Hiroyuki Ishikawa
IPC分类号： G02F1/1333 , G02F1/13363 , B29D11/00 , G02B5/30 , C09K19/18 , C09K19/20 , C09K19/36 , C09K19/38 , C09K19/50 , G02F1/1337 , C09K19/24 , C09K19/34 , C09K19/54 , C09K19/56 , C09K19/60 , G02F1/1335 , C09K19/04
CPC分类号： G02F1/13363 , B29D11/00644 , B29D11/00788 , C09K19/18 , C09K19/2007 , C09K19/2014 , C09K19/24 , C09K19/3486 , C09K19/36 , C09K19/3823 , C09K19/3852 , C09K19/50 , C09K19/544 , C09K19/56 , C09K19/601 , C09K2019/0429 , C09K2019/0448 , C09K2019/188 , C09K2019/2078 , C09K2019/3408 , G02B5/3016 , G02F1/133536 , G02F1/133602 , G02F1/133615 , G02F1/133617 , G02F1/13362 , G02F1/133621 , G02F1/133784 , G02F1/133788 , G02F2001/133507 , G02F2001/133545 , G02F2001/133614 , G02F2001/133638 , G02F2202/022 , G02F2202/36 , G02F2203/05 , G02F2413/01 , G02F2413/05
摘要： Provided are a brightness enhancement film including a λ/4 plate, and a reflection polarizer, in which the reflection polarizer includes at least two light reflection layers formed by immobilizing a cholesteric liquid crystalline phase, one light reflection layer of the reflection layers is a layer formed of a polymerizable liquid crystal composition containing a rod-like liquid crystal compound, and the other light reflection layer is a layer formed of a polymerizable liquid crystal composition containing a disk-like liquid crystal compound, and an optical sheet member including the brightness enhancement film, and a liquid crystal display device including the optical sheet member. The brightness enhancement film of the present invention has high brightness and is able to suppress an oblique change in the shade at the time of being incorporated in a liquid crystal display device.

4. 发明授权

US11286423B2 Laminate, manufacturing method of laminate, and image display device 有权
公开(公告)号：US11286423B2
公开(公告)日：2022-03-29
申请号：US16983263
申请日：2020-08-03
申请人： FUJIFILM Corporation
发明人： Yumi Katou , Jun Takeda
IPC分类号： C09K19/56 , C09K19/38 , C09K19/60 , G02B5/30 , H01L27/32
摘要： A laminate is provided having excellent adhesiveness between a light absorption anisotropic film and a barrier layer, a manufacturing method of the laminate, and an image display device using the laminate. A laminate having: a barrier layer A; and a light absorption anisotropic film B, in which the barrier layer A is adjacently provided on the light absorption anisotropic film B, a relationship between a highest content of a compound A1 contained in the barrier layer A and a highest content of a compound B1 contained in the light absorption anisotropic film B satisfies a relationship in which a value of distance calculated from Hansen solubility parameters and represented by Formula (I) is within a range of 0.0 to 5.0, and the light absorption anisotropic film B contains a component same as the compound A1. distance={4×(δD(B1)−δD(A1))2+(δP(B1)−δP(A1))2+(δH(B1)−δH(A1))2}0.5 (I)

5. 发明授权

US11173694B2 Laminate, manufacturing method of laminate, and image display device 有权
公开(公告)号：US11173694B2
公开(公告)日：2021-11-16
申请号：US16720502
申请日：2019-12-19
申请人： FUJIFILM Corporation
发明人： Yuzo Fujiki , Yasukazu Kuwayama , Jun Takeda
IPC分类号： B32B27/20 , B32B27/30 , B32B7/023 , B32B7/027 , C08K5/46 , G02F1/1337
摘要： An object of the present invention is to provide a laminate in which an excellent alignment property of a dichroic substance is maintained and which is excellent in both high-temperature durability and moisture-heat resistance, a manufacturing method of the laminate, and an image display device using the laminate. A laminate according to an embodiment of the present invention is a laminate having a transparent support, a light absorption anisotropic film, and a transparent resin layer in this order, in which the light absorption anisotropic film is a film containing a dichroic substance represented by a predetermined formula, and the transparent resin layer is a layer containing a polymer which has a hydrophilic group and does not have a glass transition temperature in a temperature range of 95° C. or lower.

6. 发明授权

US11022837B2 Optical film and liquid crystal display device 有权
公开(公告)号：US11022837B2
公开(公告)日：2021-06-01
申请号：US16391875
申请日：2019-04-23
申请人： FUJIFILM Corporation
发明人： Naoya Nishimura , Jun Takeda
IPC分类号： G02F1/13 , G02F1/1335 , G02B5/30 , B32B27/30 , B32B7/023 , G02F1/1337 , G02F1/13363
摘要： The present invention provides an optical film which has excellent light resistance and durability, while being suppressed in the occurrence of internal reflection and a liquid crystal display device. An optical film according to the present invention includes a light absorption anisotropic layer having at least one dichroic dye compound, and a protective layer that is adjacent to the light absorption anisotropic layer, and the light absorption anisotropic layer and the protective layer satisfy a specific relational expression.

7. 发明授权

US10215899B2 Phase difference film, polarization plate, and liquid crystal display device 有权
公开(公告)号：US10215899B2
公开(公告)日：2019-02-26
申请号：US14995671
申请日：2016-01-14
申请人： FUJIFILM Corporation
发明人： Jun Takeda , Shunya Katoh , Michio Nagai , Yoji Ito , Masaya Suzuki
IPC分类号： G02F1/1335 , G02B5/30 , G02F1/13363 , G02F1/1337 , G02F1/1343
摘要： A liquid crystal (LC) display device uses a phase difference film which increases front contrast of the device, and a polarization plate. The film includes a first optical anisotropic layer, and a second optical anisotropic layer thereon, the first layer formed by fixing an LC compound in a homogeneous alignment state, has an order parameter (OP) of 0.75 to 0.95, and layer thickness of 0.3 μm to 3.0 μm, the second layer formed by fixing an LC compound in a homeotropic alignment state, has an OP of 0.60 to 0.95, and layer thickness of 0.3 μm to 3.0 μm, the OP which is denoted by OP=(A∥−A⊥)/(2A⊥+A∥), “A∥” which represents absorbance of the LC compound regarding light polarized parallel to an alignment direction, and “A⊥” which represents absorbance of the LC compound regarding light polarized vertical to the alignment direction.

8. 发明授权

US09383491B2 Retardation film, polarizing plate, and liquid crystal display 有权
标题翻译：延迟膜，偏光板和液晶显示器
公开(公告)号：US09383491B2
公开(公告)日：2016-07-05
申请号：US14325875
申请日：2014-07-08
申请人： FUJIFILM Corporation
发明人： Jun Takeda , Shunya Katoh , Michio Nagai , Yoji Ito
IPC分类号： C09K19/00 , G02B5/30 , G02F1/13363
CPC分类号： G02B5/3016 , G02F1/13363 , G02F2001/133633 , Y10T428/10 , Y10T428/1036 , Y10T428/105
摘要： A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 μm; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 μm or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 μm, wherein OP is represented by the following equation; OP=(A∥−A⊥)/(2A⊥+A∥) where A∥ is absorbance of the liquid crystal compounds for light polarized parallel to an alignment direction, and A⊥ is absorbance of the liquid crystal compounds for light polarized perpendicular to the alignment direction.
摘要翻译：延迟膜包括具有均匀取向状态的液晶化合物的第一光学各向异性层和流平剂，并且具有0.75至0.95的顺序参数和0.3至3.0μm的厚度; 中间层，其具有通过Hoy's方法计算的溶度参数SP值为21.5〜24.7的树脂，中间层的厚度为3.0μm以下; 和具有固定在垂直取向状态的液晶化合物的第二光学各向异性层，并且具有0.6至0.95的阶数参数OP和0.3至3.0μm的厚度，其中OP由下式表示; OP =（A∥-A⊥）/（2A⊥+A‖）其中A∥是与取向方向平行偏光的液晶化合物的吸光度，A⊥是用于光偏振垂直的液晶化合物的吸光度到排列方向。

9. 发明授权

US08995056B2 Laminated optical film, and polarizing plate and liquid crystal display including the same 有权
标题翻译：层压光学薄膜，偏光板和包括其的液晶显示器
公开(公告)号：US08995056B2
公开(公告)日：2015-03-31
申请号：US13629362
申请日：2012-09-27
申请人： FUJIFILM Corporation
发明人： Jun Takeda , Masato Nakao
IPC分类号： G02B5/30 , G02F1/1335 , B32B7/02 , B32B23/04 , B32B27/06 , G02F1/13363 , G02B27/28
CPC分类号： B32B7/02 , B32B23/04 , B32B27/06 , G02B5/30 , G02B5/3016 , G02B27/286 , G02F1/13363 , G02F2202/40 , G02F2413/02
摘要： A laminated optical film which exhibit a high front contrast ratio and even brightness, improve viewing angle characteristics of a liquid crystal display of a horizontal alignment mode, and have high durability.A laminated optical film comprising: a B layer; and a C layer, wherein the B layer satisfies the following three formulae (Ib) to (IIIb), the C layer satisfies the following two formulae (Ic) and (IIc), and the absolute value |ΔSP value| of a difference in SP value between the primary components of the B and C layers is not more than 1.5, the SP value being determined by Hoy's method. 1.0≦Nz≦3.0; (Ib): 70 nm≦Re (550); and (IIb): 0 nm≦Rth (550)≦200 nm, (IIIb): Re (550)≦10 nm; and (Ic): −200 nm≦Rth (550)≦−50 nm (IIc):
摘要翻译：具有高前方对比度和均匀亮度的层压光学膜，改善了水平对准模式的液晶显示器的视角特性，并具有高耐久性。一种层叠光学膜，包括：B层; 和C层，其中B层满足以下三个式（Ib）至（IIIb），C层满足以下两个式（Ic）和（IIc），绝对值| | Dgr; SP值| B层和C层主要组分之间的SP值差异不大于1.5，SP值由Hoy's方法确定。 1.0＆nlE; Nz＆nlE; 3.0; （Ib）：70nm＆amp; Re; Re（550）; 和（IIb）：0nm＆nlE; Rth（550）＆nlE; 200nm，（IIIb）：Re（550）＆nlE; 10nm; 和（Ic）：-200nm＆nlE; Rth（550）＆nlE; -50nm（IIc）：

10. 发明授权

US11487055B2 Laminate 有权
公开(公告)号：US11487055B2
公开(公告)日：2022-11-01
申请号：US16940798
申请日：2020-07-28
申请人： FUJIFILM Corporation
发明人： Naoya Nishimura , Fumitake Mitobe , Yuzo Fujiki , Jun Takeda
IPC分类号： G02B5/30 , G02B1/14 , G02B1/04 , H01L27/32 , H01L51/52 , G02F1/13363
摘要： An object of the present invention is to provide a laminate in which the coloring of reflected light is reduced. The laminate includes an optical film having a light absorption anisotropic film formed using a composition including a dichroic substance and having a transmittance of more than 50%, a λ/4 plate, and a metal electrode in this order, in which in a case where a degree (%) of polarization at a wavelength of λ of the optical film is defined as P(λ) and a reflectance (%) at the wavelength of λ of the metal electrode is defined as R(λ), a ratio of a minimum value of R/P to a maximum value of R/P at wavelengths of 450 nm, 550 nm, and 650 nm is more than 85%.

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