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公开(公告)号：US4859039A
公开(公告)日：1989-08-22
申请号：US797024
申请日：1985-11-12
申请人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
发明人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
IPC分类号： G02B5/20 , G02B5/22 , G02B5/30 , G02F1/1335
CPC分类号： G02B5/205 , G02B5/223 , G02B5/3033 , Y10T428/8305
摘要： Highly durable, light-polarizing film having neutral gray as well as high polarizing coefficient is provided. The film comprises a uniaxially stretched base polymer film of, for example, polyvinyl alcohol or derivatives thereof and at least two dichroism dyes adsorbed and orientated therein. The dichroism dyes are, for example, C.I. DIrect Yellow 12, C.I. Direct Black 17 and C.I. Direct Blue 202. The film is usable for display by liquid crystal. A boric-acid treatment is used to improve the polarization properties.
摘要翻译： 提供具有中性灰色以及高偏振系数的高度耐用的光偏振膜。 膜包含例如聚乙烯醇或其衍生物的单轴拉伸的基础聚合物膜和其中吸附和取向的至少两种二色性染料。 二色性染料是例如C.I. 直立黄12，C.I。 直接黑17和C.I. 直接蓝202.该膜可用于液晶显示。 使用硼酸处理来改善极化特性。
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公开(公告)号：US4803014A
公开(公告)日：1989-02-07
申请号：US910220
申请日：1986-09-08
申请人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
发明人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
IPC分类号： G02B5/30
CPC分类号： G02B5/3033 , Y10T428/31504 , Y10T428/31757 , Y10T428/31797 , Y10T428/31913 , Y10T428/31928
摘要： The present invention relates to a high-performance light-polarizing film assuming a neutral gray wherein are absorbed and oriented, in a polymer film, (A) iodine as a main polarizing coloring matter and additionally (B) a dichroism dye having a absorption characteristics and polarization characteristics in the low wavelength region of visible light and showing, when absorbed and oriented together with iodine in a polymer film, a direction of transition moment substantially identical with that of iodine and/or a dichroism dye having absorption characteristics and polarization characteristics in the high wavelength region of visible light and showing, when absorbed and oriented together with iodine in a polymer film, a direction of transition moment substantially identical with that of iodine.As compared with the prior iodine type light-polarizing films, the light-polarizing film obtained in the above-mentioned manner has a high light transmittance in the wavelength range of visible light, assumes a neutral gray and has a high polarizing co-efficient. Accordingly, it is effectively usable as a liquid crystal material for liquid crystal television and the like and effectively applicable to optical uses such as CRT filter and the like.
摘要翻译： PCT No.PCT / JP86 / 00091 Sec。 371日期1986年9月8日第 102（e）1986年9月8日PCT PCT日期：1986年2月25日PCT公布。 出版物WO86 / 04998 日本1986年8月28日。本发明涉及在聚合物膜中吸收定向的中性灰色的高性能光偏振膜，（A）作为主要偏振着色剂的碘，另外（B） 在可见光的低波长区域具有吸收特性和极化特性的二色性染料，当在聚合物膜中被碘吸收并与碘一起取向时，与碘和/或二色性染料基本上相同的转变方向 在可见光的高波长区域具有吸收特性和极化特性，并且当在聚合物膜中被吸收并与碘一起取向时，过渡时刻的方向与碘基本相同。 与现有碘型光偏振膜相比，以上述方式获得的光偏振膜在可见光的波长范围内具有高的透光率，呈现中性灰色并具有高的偏光系数。 因此，其可以有效地用作液晶电视等的液晶材料，并且可有效地应用于诸如CRT滤光片等的光学用途。
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公开(公告)号：US4953952A
公开(公告)日：1990-09-04
申请号：US218487
申请日：1988-07-07
申请人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui , Kazuo Nakata
发明人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui , Kazuo Nakata
IPC分类号： G02B5/20 , G02B5/30 , G02F1/133 , G02F1/1333 , G02F1/1335
CPC分类号： G02F1/133514 , G02F1/133528
摘要： A color liquid crystal display panel with improvements in brightness of display, viewing angle and workability which comprises a liquid crystal layer which is provided with two light-polarizing plates on opposite side as substrates. One of the light-polarizing plates is made, in the following order, from the light-polarizing layer, a color filter layer formed on the outside surface of a protective film layer, the protective film layer of non-rotary polarization polymer and a transparent conductive film layer formed on the inside surface of the protective film layer. The other light-polarizing plate is made in the following order, from the light-polarizing layer and a transparent conductive film layer.
摘要翻译： 具有改善显示亮度，视角和可加工性的彩色液晶显示面板，其包括在相对侧设置有两个光偏振片作为基板的液晶层。 光偏振片中的一个按照以下顺序由光偏振层，形成在保护膜层的外表面上的滤色器层，非旋转偏振聚合物的保护膜层和透明的 导电膜层形成在保护膜层的内表面上。 从光偏振层和透明导电膜层按照以下顺序制造另一个光偏振片。
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公开(公告)号：US4895677A
公开(公告)日：1990-01-23
申请号：US262571
申请日：1988-10-25
申请人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
发明人： Takuzo Okumura , Toyokazu Okada , Hitoshi Kikui
IPC分类号： G02B5/30
CPC分类号： G02B5/3033 , Y10T428/31504 , Y10T428/31757 , Y10T428/31797 , Y10T428/31913 , Y10T428/31928
摘要： The present invention relates to a high-performance light-polarizing film assuming a neutral gray wherein are adsorbed and oriented, in a polymer film, (A) iodine as a main polarizing coloring matter and additionally (B) a dichroism dye having a absorption characteristics and polarization characteristics in the low wavelength region of visible light and showing, when adsorbed and oriented together with iodine in a polymer film, a direction of transition moment substantically identical with that of iodine and/or a dichroism dye having absorption characteristics and polarization characteristics in the high wavelength region of visible light and showing, when adsorbed and oriented together with iodine in a polymer film, a direction of transition moment substantially identical with that of iodine. As compared with the prior iodine type light-polarizing films, the light-polarizing film obtained in the above-mentioned manner has a high light transmittance in the wavelength range of visible light, assumes a neutral gray and has a high polarizing co-efficient. Accordingly, it is effectively usable as a liquid crystal material for liquid crystal television and the like and effectively applicable to optical uses such as CRT filter and the like.
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公开(公告)号：US5061042A
公开(公告)日：1991-10-29
申请号：US642554
申请日：1991-01-18
申请人： Kimishige Nakamura , Shuji Kitamura , Toyokazu Okada , Kazuaki Sakakura , Hitoshi Kikui , Koji Higashi , Keizo Ichinose
发明人： Kimishige Nakamura , Shuji Kitamura , Toyokazu Okada , Kazuaki Sakakura , Hitoshi Kikui , Koji Higashi , Keizo Ichinose
IPC分类号： G02B5/30 , G02F1/13363
CPC分类号： G02F1/13363 , G02B5/3083 , G02F2001/133637 , G02F2202/40
摘要： A phase retarder obtained by uniaxially stretching a thermoplastic resin film, whose retardation value ranges from 30 to 1200 nm and whose color difference .DELTA.E* is not more than 30 as defined with the phase retarder being set between crossed polarizers in such a manner that the optical axis thereof makes an angle of 45.degree. with respect to the planes of polarization of the polarizers, and a liquid crystal display using the phase retarder are disclosed. The phase retarder has a fixed optical axis, a retardation value suited for new optical uses including liquid crystal displays, and freedom from optical color unevenness. The liquid crystal display using the phase retarder exhibits markedly improved image quality.
摘要翻译： 通过单相拉伸热塑性树脂膜获得的延迟器，其延迟值范围为30至1200nm，并且其相位延迟器所定义的色差DELTA E *不大于30，如相位偏振器之间设置的那样，使得 光轴相对于偏光板的偏振面成45°角，并且公开了使用相位延迟器的液晶显示器。 相位延迟器具有固定的光轴，适用于包括液晶显示器的新光学用途的延迟值，并且不受光学颜色不均匀性的影响。 使用相位延迟器的液晶显示器显示出显着提高的图像质量。
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公开(公告)号：US5244713A
公开(公告)日：1993-09-14
申请号：US887658
申请日：1992-05-26
IPC分类号： B29D7/01 , C08J5/18 , G02B5/30 , G02F1/13363
CPC分类号： C08J5/18 , B29D7/01 , G02B5/3083 , G02F1/13363 , G02F2202/40 , Y10S428/91 , Y10T428/24479 , Y10T428/24942 , Y10T428/261
摘要： An optical film having high optical uniformity is disclosed, including a thermoplastic resin film having no periodic thickness variation of sine waveform having a pitch of 50 mm or less and a thickness change of 0.5 .mu.m or more on continuous thickness measurement in the machine direction, and an optical film having a retardation value of 1200 nm or less with a fluctuation of not more than 10% and a rate of change of not more than 1.3%/cm, which is obtained by stretching said thermoplastic resin film. The optical film is laminated on a polarizing sheet to serve as a phase retarder.
摘要翻译： 公开了一种具有高光学均匀性的光学膜，包括在机器方向上的连续厚度测量时，不具有间距为50mm以下的正弦波形的周期性厚度变化，厚度变化为0.5μm以上的热塑性树脂膜， 以及通过拉伸所述热塑性树脂膜获得的延迟值为1200nm以下的光学膜，其波动为10％以下，变化率为1.3％/ cm以下。 将光学膜层叠在偏光片上，作为相位延迟器。
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公开(公告)号：US5310509A
公开(公告)日：1994-05-10
申请号：US993891
申请日：1992-12-18
申请人： Toyokazu Okada , Koji Higashi , Shinjiro Kawasaki , Yutaka Nishii
发明人： Toyokazu Okada , Koji Higashi , Shinjiro Kawasaki , Yutaka Nishii
CPC分类号： G02B1/08 , C09B45/24 , G02B5/3033
摘要： The present invention relates to a dye-containing light-polarizing film wherein a disazo dye represented by the formula (I) is used: ##STR1## wherein Me represents a transition metal, being copper, nickel, zinc or iron, R represents a 1-naphthol or 2-naphthol residue which is bonded to azo group at the position adjacent to its hydroxyl group forming a complex bond together with the transition metal and which may have a substituent such as a sulfonic acid, sulfonamide, amino, acylamino or arylamino group or a hydroxyl group not adjacent to the azo group, X and Y represent a hydrogen atom, a C.sub.1 -C.sub.4 alkyl, lower alkoxy, carboxylic acid, sulfonic acid, sulfonamide, sulfonalkylamide, amino, acrylamino or nitro group or a halogen atom, and Z represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl or lower alkoxy group, said formula (I) having from 1 to 3 sulfonic acid groups.Said dye-containing light-polarizing film, as compared with the conventional ones, not only exhibits a high durability, but also has excellent polarization performance enough to be comparable to the light-polarizing films in which iodine is used. Consequently, said dye-containing light-polarizing film is effectively used for use in displays in which liquid crystals are used and optical instruments including CRT filters.
摘要翻译： 本发明涉及一种含染料的光偏振膜，其中使用由式（I）表示的双偶氮染料：其中Me表示过渡金属，即铜，镍，锌或铁，R 表示在与其羟基相邻的位置上与偶氮基结合的1-萘酚或2-萘酚残基与过渡金属一起形成复合键，并且可以具有取代基，例如磺酸，磺酰胺，氨基，酰基氨基 或芳基氨基或不与偶氮基相邻的羟基，X和Y表示氢原子，C1-C4烷基，低级烷氧基，羧酸，磺酸，磺酰胺，磺烷基酰胺，氨基，丙烯基氨基或硝基或卤素 原子，Z表示氢原子或C1-C4烷基或低级烷氧基，所述式（I）具有1至3个磺酸基。 所述含染料的光偏振膜与现有的光偏振膜相比，不仅表现出高耐久性，而且具有优异的极化性能，足以与使用碘的光偏振膜相当。 因此，所述含染料的光偏振膜有效地用于使用液晶的显示器和包括CRT滤光片的光学仪器。
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公开(公告)号：US07586680B2
公开(公告)日：2009-09-08
申请号：US11091331
申请日：2005-03-29
申请人： Toyokazu Okada , Seiji Muro
发明人： Toyokazu Okada , Seiji Muro
CPC分类号： G03B21/62
摘要： A projection screen using light control layers having high light diffusion and further providing an image with high image quality over a wide angle range without deteriorating light transmittance is provided. A plural number of light control layers in which a haze value of the layer is dependent on an angle and a light scattering angle region showing a haze value of 60% or more is in the range of 30° or more when light is injected on the surface of the layer at an angle of 0 to 180° are laminated to obtain a screen.
摘要翻译： 提供了一种投影屏幕，其使用具有高光散射的光控制层，并且进一步在广角范围内提供具有高图像质量的图像而不劣化透光率。 多个光控制层，其中该层的雾度值取决于角度，并且当光注入到该光控制层上时，显示雾度值为60％或更大的光散射角区域在30°或更大的范围内 层叠0〜180°的层的表面，得到屏幕。
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公开(公告)号：US20050219692A1
公开(公告)日：2005-10-06
申请号：US11091331
申请日：2005-03-29
申请人： Toyokazu Okada , Seiji Muro
发明人： Toyokazu Okada , Seiji Muro
CPC分类号： G03B21/62
摘要： A projection screen using light control layers having high light diffusion and further providing an image with high image quality over a wide angle range without deteriorating light transmittance is provided. A plural number of light control layers in which a haze value of the layer is dependent on an angle and a light scattering angle region showing a haze value of 60% or more is in the range of 30° or more when light is injected on the surface of the layer at an angle of 0 to 180° are laminated to obtain a screen.
摘要翻译： 提供了一种投影屏幕，其使用具有高光散射的光控制层，并且进一步在广角范围内提供具有高图像质量的图像而不劣化透光率。 多个光控制层，其中该层的雾度值取决于角度，并且当光注入到该光控制层上时，显示雾度值为60％或更大的光散射角区域在30°或更大的范围内 层叠0〜180°的层的表面，得到屏幕。
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公开(公告)号：US5082601A
公开(公告)日：1992-01-21
申请号：US544793
申请日：1990-06-29
申请人： Toyokazu Okada , Koji Higashi , Satoshi Taguchi
发明人： Toyokazu Okada , Koji Higashi , Satoshi Taguchi
CPC分类号： C08G61/123 , H01B1/127 , H01B1/128 , Y10S428/91 , Y10T428/31855 , Y10T428/31909
摘要： A light-polarizing film is disclosed, comprising a conductive polymer having dichroism and having an unsaturated cyclic structure in the main chain thereof. The light-polarizing film of the invention has good polarization quality and is excellent in durability under high-temperature and high-humidity conditions.
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