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21.发明申请METHOD FOR PRODUCING LONG CIRCULAR POLARIZATION PLATE AND LONG CIRCULAR POLARIZATION PLATE 有权用于生产长圆形极化板和长圆形极化板的方法公开(公告)号：US20150043073A1
公开(公告)日：2015-02-12
申请号：US14454392
申请日：2014-08-07
发明人： Mitsutaka SASE , Nobuyuki HATANAKA
CPC分类号： G02B5/3016 , G02B1/08 , G02B1/12 , G02B5/305 , G02B5/3083 , Y10T83/04
摘要： A production method for producing a thin circularly polarizing plate at a high productivity is provided.
摘要翻译： 提供了一种以高生产率制造薄圆偏振片的生产方法。
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公开(公告)号：US20150043071A1
公开(公告)日：2015-02-12
申请号：US14454256
申请日：2014-08-07
IPC分类号： G02B5/30
CPC分类号： G02B5/3083 , G02B5/3016 , G02B5/305 , G02B5/32
摘要： To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3) and the optical film has optical properties represented by the formulae (1), (2) and (30): Re(450)/Re(550)≦1.00 (1) 1.00≦Re(650)/Re(550) (2) nx≈ny
摘要翻译： 提供在黑色显示屏中抑制漏光的光学膜。 一种具有第一相位差层和第二相位差层的光学膜，其中第二相位差层具有由式（3）表示的光学特性，并且光学膜具有由式（1），（2）表示的光学特性 ）和（30）：Re（450）/ Re（550）＆nlE; 1.00（1）1.00＆nlE; Re（650）/ Re（550）（2）nx≈ny
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公开(公告)号：US20150042941A1
公开(公告)日：2015-02-12
申请号：US14454213
申请日：2014-08-07
IPC分类号： G02B5/30
CPC分类号： G02B5/3083 , B32B2457/20 , B32B2457/202 , B32B2457/204 , B32B2457/206 , B32B2457/208 , G02B5/3016 , G02B5/305 , G02F1/13363 , G02F2001/133541 , G02F2001/133637 , G02F2001/133638 , Y10T428/1036
摘要： To provide an optical film excellent in suppression of light leakage in black display. An optical film having a first phase difference layer and a second phase difference layer, wherein the second phase difference layer has an optical property represented by the formula (3), and the optical film has optical properties represented by the formulae (1), (2) and (30) is provided: Δn(450)/Δn(550)≦1.00 (1) 1.00≦Δn(650)/Δn(550) (2) nx≈ny
摘要翻译： 提供在黑色显示屏中抑制漏光的光学膜。 一种具有第一相位差层和第二相位差层的光学膜，其中所述第二相位差层具有由式（3）表示的光学特性，并且所述光学膜具有由式（1），（ 2）和（30）提供：＆Dgr; n（450）/＆Dgr; n（550）＆nlE; 1.00（1）1.00＆nlE;＆Dgr; n（650）/＆Dgr; n（550）
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公开(公告)号：US20230018608A1
公开(公告)日：2023-01-19
申请号：US17263267
申请日：2019-07-17
发明人： Tatsuaki KASAI , Nobuyuki HATANAKA
摘要： A laminate including a horizontally oriented liquid crystal cured film that is a cured material of a polymerizable liquid crystal composition containing at least one type of polymerizable liquid crystal compound, and a vertically oriented liquid crystal cured film is provided. The horizontally oriented liquid crystal cured film is the cured material of the polymerizable liquid crystal composition in which the polymerizable liquid crystal compound is cured in a state of being horizontally oriented with respect to a plane of the liquid crystal cured film, and satisfies the following formulae: nxA(450)>nyA(450)>nzA(450) and ReA(450)/ReA(550)
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公开(公告)号：US20220384739A1
公开(公告)日：2022-12-01
申请号：US17739447
申请日：2022-05-09
IPC分类号： H01L51/00
摘要： An optically anisotropic film capable of effectively reducing a difference in hue between a front hue and an oblique hue during white display of an organic EL display device and which exhibits excellent image display properties, and a laminate including the optically anisotropic film are provided. The optically anisotropic film is a cured film of a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound and at least two dichroic dyes, in which the polymerizable liquid crystal compound and the at least two dichroic dyes are cured in a state of being molecularly oriented in a vertical direction with respect to a film plane, and satisfy specific relationships between absorbance of linearly polarized light that oscillates in an x-axis direction and absorbance of linearly polarized light that oscillates in the x-axis direction when the optically anisotropic film is rotated by 500 with the y-axis as a rotation axis.
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公开(公告)号：US20210207030A1
公开(公告)日：2021-07-08
申请号：US17059061
申请日：2019-05-27
发明人： Yosuke OTA , Nobuyuki HATANAKA
摘要： A polarizing film including a polarizer that is a cured product of a polymerizable liquid crystal composition is provided. The polymerizable liquid crystal composition contains both a polymerizable liquid crystal compound having at least one polymerizable group and a dichroic coloring matter. The polarizer is laminated on a surface, having a pore size of 0.45 nm to 0.57 nm, of a base material. The pore size is obtained by converting, into a diameter, an average free volume radius calculated by a positron lifetime measurement method in which the positron lifetime is measured by irradiating the surface with positrons with an injection energy of 3 kV.
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公开(公告)号：US20210032539A1
公开(公告)日：2021-02-04
申请号：US16939281
申请日：2020-07-27
发明人： Nobuyuki HATANAKA , Takayuki NADA , Ayumi TOWADA
IPC分类号： C09K19/38 , C08F22/24 , C09D135/02 , C09D4/00 , C09D7/20
摘要： A container suitable for storing a polymerizable liquid crystal composition liquid intended for providing, after temporal or long-term storage, a liquid crystal cured layer that is homogeneous and hardly causes alignment defects is described. A container containing a polymerizable liquid crystal composition liquid includes a gas phase part and a liquid phase part containing a polymerizable liquid crystal composition liquid. The polymerizable liquid crystal composition liquid contains a polymerizable liquid crystal compound; at least one solvent selected from a ketone solvent, an amide solvent, an ester solvent, and an ether solvent; a photopolymerization initiator, and a polymerization inhibitor in an amount of 0.1% by mass or more and 2% by mass or less based on the polymerizable liquid crystal compound. The gas phase part has an oxygen concentration of 0.05% by volume or more and 20.8% by volume or less.
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公开(公告)号：US20200264460A1
公开(公告)日：2020-08-20
申请号：US16864192
申请日：2020-05-01
发明人： Nobuyuki HATANAKA
IPC分类号： G02F1/1335 , H01L51/50 , G02B5/30 , H01L51/56 , H01L51/52 , G02F1/13363
摘要： A polarizing plate including a substrate and a polarizer is provided. The polarizer has a polarizing layer having a thickness of 5 μm or less in which a dichroic dye is oriented. The absorbance in the absorption axis direction (A1) of the polarizer at a wavelength of 380 to 760 nm is 0.3 or more and 1.5 or less, and the absorbance in the transmission axis direction (A2) is 0.001 or more and 0.15 or less.
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公开(公告)号：US20190094433A1
公开(公告)日：2019-03-28
申请号：US16189231
申请日：2018-11-13
发明人： Nobuyuki HATANAKA , Yosuke OTA
IPC分类号： G02B5/30 , G02F1/1335 , G02B1/10 , B32B37/12 , B32B37/00
摘要： An object of the present invention is to solve the problems which can be peculiarly generated in a coating-type optical film, and provide an optical film which hardly causes deterioration in optical performance with time, a display device equipped with the optical film, and a process for producing the optical film, and there is provided a polarizing plate having a diffusion preventing layer A having the thickness of 0.05 μm to 3 μm, a polarizing film comprising a polymer of a polymerizable liquid crystal and a dichroic coloring matter, and a diffusion preventing layer B having the thickness of 0.05 μm to 3 μm, in this order.
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公开(公告)号：US20180067348A1
公开(公告)日：2018-03-08
申请号：US15558756
申请日：2016-03-08
发明人： Nobuyuki HATANAKA
IPC分类号： G02F1/1335 , G02B5/30 , G02F1/13363 , H01L51/52 , H01L51/56
摘要： A polarizing plate including a substrate and a polarizer is provided. The polarizer has a polarizing layer having a thickness of 5 μm or less in which a dichroic dye is oriented. The absorbance in the absorption axis direction (A1) of the polarizer at a wavelength of 380 to 760 nm is 0.3 or more and 1.5 or less, and the absorbance in the transmission axis direction (A2) is 0.001 or more and 0.15 or less.
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