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1. 发明专利

JP2015057669A 薄型偏光膜、薄型偏光膜を有する光学積層体、および薄型偏光膜の製造方法审中-公开
标题翻译：薄极化膜，具有薄极化膜的光学层压板，以及薄膜极化膜的制造方法
公开(公告)号：JP2015057669A
公开(公告)日：2015-03-26
申请号：JP2014249515
申请日：2014-12-10
申请人：日東電工株式会社 , Nitto Denko Corp
发明人： ISAKI AKINORI , KITAGAWA JOJI , GOTO SHUSAKU , KAMIJO TAKUJI , MORI TOMOHIRO , MIYATAKE MINORU
IPC分类号： G02B5/30 , B29C55/06
CPC分类号： G02B5/305 , B05D5/06 , B29C55/026 , B29C55/06 , B29D11/00644 , B29K2029/04 , B29K2067/003 , B29K2995/0034 , C08J7/047 , C08J2323/20 , C08J2367/02 , C08J2429/04 , G02B5/3033 , G02F1/133528
摘要：【課題】環境負荷が小さく、かつ、優れた光学特性を有する薄型偏光膜を提供すること。【解決手段】本発明の薄型偏光膜は、ヨウ素が吸着配向されたポリビニルアルコール系樹脂膜から構成され、厚みが10μm以下であり、単体透過率が42.0%以上であり、偏光度が99.95%以上であり、かつ、イオンクロマト法により測定されるヨウ素含有量が17.6g/(400mm?700mm□)以下である。【選択図】図1
摘要翻译：要解决的问题：提供一种环境负荷小且光学特性优异的薄偏振膜。解决方案：薄偏振膜包括其中碘吸附定向的聚乙烯醇树脂膜，并且具有10μm或更小的厚度，单一透射率为42.0％以上，偏振度为99.95％以上，通过离子色谱法测定的碘含量为17.6g /（400mm×700mm×平方）以下）。

2. 发明专利

JP2014074786A Method for manufacturing stretched laminate 有权
标题翻译：制造层压板的方法
公开(公告)号：JP2014074786A
公开(公告)日：2014-04-24
申请号：JP2012221916
申请日：2012-10-04
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KAMIJO TAKUJI , MORI TOMOHIRO
IPC分类号： G02B5/30 , B29C55/06 , B29K29/00 , B29K67/00 , B29L9/00 , B32B27/30 , B32B27/36 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a stretched laminate capable of achieving high productivity while securing optical characteristics of an obtained polarizing film.SOLUTION: A method for manufacturing a stretched laminate includes the steps of: forming a polyvinyl alcohol resin layer 12 on a long-sized polyester resin base material 11 to produce a laminate 10; aerial-drawing the laminate 10 by a circumferential speed difference between rolls at 100°C or lower while conveying in a longer direction; and heating the drawn laminate to 110°C or higher. In the step of drawing, a distance Lbetween drawing and a width W of the laminate 10 satisfy a relation of L/W≥0.3.
摘要翻译：要解决的问题：提供一种确保所获得的偏光膜的光学特性的同时实现高生产率的拉伸层压体。解决方案：拉伸层压体的制造方法包括以下步骤：在长时间形成聚乙烯醇树脂层12，大小的聚酯树脂基材11，以制造层压体10; 在100℃以下的辊之间以圆周速度的差异将叠层10进行空中拉伸，同时沿较长的方向输送; 并将拉伸的层压体加热至110℃以上。在拉伸工序中，层叠体10的拉伸与宽度W之间的距离L满足L /W≥0.3的关系。

3. 发明专利

JP2013011847A Method for manufacturing polarizing plate 有权
标题翻译：制造极化板的方法
公开(公告)号：JP2013011847A
公开(公告)日：2013-01-17
申请号：JP2011263716
申请日：2011-12-01
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SHIMIZU SUSUMU , KAMIJO TAKUJI , KITAGISHI KAZUSHI , MIYATAKE MINORU , GOTO SHUSAKU , KITAGAWA JOJI , MORI TOMOHIRO , HAIDA NOBUYUKI
IPC分类号： G02B5/30
CPC分类号： G02B5/30 , B29C55/023 , B29C55/026 , B29C55/04 , B29K2029/04 , B29K2067/00 , G02B5/3041 , G02B5/305
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a polarizing plate which is sufficient in heat resistance without reducing the dyeability or the like of a polarizing film and requiring transfer and exfoliation steps of the polarizing film.SOLUTION: Disclosed is a method for manufacturing a polarizing plate 10 formed by laminating a polarizing film formed of a polyvinyl alcohol resin on a polyester resin base material 11. This method includes: a drawing step for drawing a laminate formed by forming a polyvinyl alcohol resin layer 12 on the polyester resin base material 11; a dyeing step for dyeing the polyvinyl alcohol resin layer 12; and a crystallizing step for crystallizing the polyester resin base material 11, and in this method, the crystallizing step is executed after the dyeing step.
摘要翻译：解决的问题：提供一种在不降低偏振膜的染色性等并且需要偏光膜的转印和剥离步骤的情况下制造耐热性足够的偏光板的方法。解决方案：公开了一种通过将由聚乙烯醇树脂形成的偏振膜层压在聚酯树脂基材11上而形成的偏光板10的方法。该方法包括：拉伸步骤，用于拉伸通过形成聚酯树脂基材11上的聚乙烯醇树脂层12; 用于染色聚乙烯醇树脂层12的染色步骤; 以及使聚酯树脂基材11结晶化的结晶工序，在该方法中，在染色工序后进行结晶工序。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013011838A Method of producing thin polarizing film 有权
标题翻译：生产薄膜的方法
公开(公告)号：JP2013011838A
公开(公告)日：2013-01-17
申请号：JP2011195540
申请日：2011-09-08
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MORI TOMOHIRO , MIYATAKE MINORU , KAMIJO TAKUJI , GOTO SHUSAKU , KITAGAWA JOJI
IPC分类号： G02B5/30
CPC分类号： B29D11/0073 , B29C55/026 , B29C55/06 , B29K2029/04 , B29K2995/0034 , G02B5/305
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a thin polarizing film having superior optical properties.SOLUTION: The method of producing a thin polarizing film of the present invention comprises the steps of: preparing a laminate 10 by forming a polyvinyl alcohol-based resin layer 12 on a thermoplastic resin base material 11; stretching the laminate 10 while submerged in an aqueous solution of boric acid; and stretching the laminate 10 while drying, after stretching while submerged in the aqueous solution.
摘要翻译：解决的问题：提供具有优异的光学特性的薄偏光膜的制造方法。解决方案本发明的薄偏光膜的制造方法包括以下步骤：通过在热塑性树脂基材11上形成聚乙烯醇类树脂层12来制备层压体10; 在浸没在硼酸水溶液中的同时拉伸层压体10; 并在干燥时拉伸层压体10，同时浸没在水溶液中。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012113264A Method for manufacturing liquid crystal panel and liquid crystal panel 审中-公开
标题翻译：制造液晶板和液晶板的方法
公开(公告)号：JP2012113264A
公开(公告)日：2012-06-14
申请号：JP2010264517
申请日：2010-11-29
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KAMIJO TAKUJI , MIYATAKE MINORU , KITAGAWA JOJI , KUNIKATA SATOSHI , SAWADA HIROAKI
IPC分类号： G02F1/1335 , G02B5/30
摘要： PROBLEM TO BE SOLVED: To reduce parallax between light directly reaching an observer from a liquid crystal layer and light reflected on a reflection layer and reaching the observer in a reflective liquid crystal panel, the parallax caused by a large thickness of a back face side polarizing element, and to prevent degradation of a thin polarizing film due to heat upon firing an alignment layer in a liquid crystal panel fabricated by orienting a polyvinyl alcohol-based resin film containing iodine to produce a thin polarizing film and stacking the thin film polarizing film and an aluminum reflection layer on an inner face of a back face side substrate of a liquid crystal cell.SOLUTION: The method for manufacturing a liquid crystal panel including a liquid crystal cell and a reflection layer and a thin polarizing film disposed in a back face side of the liquid crystal panel comprises a step of dyeing a polyvinyl alcohol-based resin film with an aqueous solution containing iodine and then orienting the film in a boric acid aqueous solution to obtain a thin polarizing film having a thickness of 1 μm or more and 7 μm or less, and a step of laminating the thin polarizing film to an outer face on the back face side of the liquid crystal cell.
摘要翻译：要解决的问题为了减少从液晶层直接到达观察者的光之间的视差和在反射层上反射的光并到达观察者的反射液晶面板中的视差，由背面的大厚度引起的视差并且为了防止在通过使含有碘的聚乙烯醇类树脂膜取向而制造的液晶面板中的取向层上的取向层，由于热而导致的薄偏光膜的劣化，从而制造薄偏光膜，并且将薄膜偏光膜和液晶单元的背面侧基板的内表面上的铝反射层。解决方案：设置在液晶面板的背面侧的液晶单元和反射层以及薄偏光膜的液晶面板的制造方法包括：将聚乙烯醇系树脂膜与含有碘的水溶液接触，然后将膜定向在硼酸水溶液中，得到厚度为1μm以上且7μm以下的薄偏光膜，以及将薄偏光膜层压到外表面在液晶单元的背面侧。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2012073582A Reuse of resin substrate 有权
标题翻译：树脂基材的重新使用
公开(公告)号：JP2012073582A
公开(公告)日：2012-04-12
申请号：JP2011119211
申请日：2011-05-27
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KITAGAWA JOJI , GOTO SHUSAKU , MIYATAKE MINORU , MORI TOMOHIRO , KAMIJO TAKUJI , SHIMIZU TORU , KITAGISHI KAZUSHI
IPC分类号： G02B5/30 , G02F1/1335
CPC分类号： G02B5/30 , B29C55/026 , B29C65/00 , B29D11/00 , B29K2029/04 , B29K2067/00 , B29K2995/0034 , G02B1/105 , G02B1/14 , G02B5/3033 , G02B5/3083 , G02F1/133528 , G02F2001/133638 , G02F2201/50 , G02F2202/22 , G02F2202/28 , H01L2924/30107 , Y10T428/1041 , Y10T428/2495 , Y10T428/265 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To efficiently reuse a used resin substrate that is used for manufacturing a polarizing film with a thickness of 10 μm or less, as an auxiliary material in making an optical film laminate that includes the polarizing film or other polarizing films.SOLUTION: A resin substrate, which is obtained by applying coloring processing using a dichroic material and stretching processing to a laminate including a transparent thermoplastic resin substrate and a polyvinyl alcohol resin layer filmed on the resin substrate, by making a laminate including a polarizing film with alignment of dichroic material attached to the polyvinyl alcohol resin layer and a resin substrate and by separating the resin substrate from the laminate, is reused as an auxiliary material in making an optical film laminate including the polarizing film or an optical film laminate including other polarizing films.
摘要翻译：要解决的问题为了有效地重复使用厚度为10μm以下的用于制造偏光膜的用过的树脂基板作为制造包括偏光膜或其它偏光镜的光学膜层叠体的辅助材料影片。解决方案：通过使用二色性材料进行着色处理和拉伸处理得到的树脂基板，其通过制造包括以下物质的层压体，所述层压体包括透明热塑性树脂基板和在树脂基板上成膜的聚乙烯醇树脂层在连接到聚乙烯醇树脂层和树脂基板上的二色性材料的定向偏振膜和通过从层压体分离树脂基板的偏振膜在制备包括偏振膜或光学膜层压体的光学膜层叠体时被重新用作辅助材料，包括其他偏光膜。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2012073569A Thin and high-functional polarizing film, optical film laminate including thin and high-functional polarizing film and stretched laminate used for manufacturing of optical film laminate including thin and high-functional polarizing film 有权
标题翻译：薄膜和高功能极化膜，包括薄膜和高功能极化膜的光学薄膜层压板和用于制造包括薄膜和高功能极化膜的光学薄膜层压板的拉伸层压板
公开(公告)号：JP2012073569A
公开(公告)日：2012-04-12
申请号：JP2011061921
申请日：2011-03-22
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： GOTO SHUSAKU , KITAGAWA JOJI , MIYATAKE MINORU , MORI TOMOHIRO , KAMIJO TAKUJI
IPC分类号： G02B5/30 , C08J5/18 , C08J7/04 , G02F1/1335 , G02F1/13363
CPC分类号： G02B5/30 , B29C55/026 , B29C65/00 , B29D11/00 , B29K2029/04 , B29K2067/00 , B29K2995/0034 , G02B1/105 , G02B1/14 , G02B5/3033 , G02B5/3083 , G02F1/133528 , G02F2001/133638 , G02F2201/50 , G02F2202/22 , G02F2202/28 , H01L2924/30107 , Y10T428/1041 , Y10T428/2495 , Y10T428/265 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a thin polarizing film with a high optical characteristic, and a manufacturing method thereof.SOLUTION: A thin and high-functional polarizing film is made of a PVA resin with alignment of dichroic material filmed on an amorphous ester-based thermoplastic resin substrate of continuous web, and has a thickness of 10 μm or less. An optical characteristic value shown with single transmittance T and polarization degree P is within a range represented by an inequality expression of P>-(10-1)×100 (however, T
摘要翻译：要解决的问题：提供具有高光学特性的薄偏振膜及其制造方法。解决方案：薄型和高功能的偏光膜由连续纤维网的无定形酯基热塑性树脂基材上成膜的二色性材料取向的PVA树脂制成，厚度为10μm以下。用单一透射率T和偏振度P表示的光学特性值在由P> - （10 0.929T-42.4 -1）×100的不等式表达式然而，T <42.3）和P≥99.9（然而，T≥42.3）。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2010276815A Method for producing polarizer, polarizer produced thereby, polarizing plate and image display apparatus 审中-公开
标题翻译：生产极化剂的方法，生产的极化剂，极化板和图像显示装置
公开(公告)号：JP2010276815A
公开(公告)日：2010-12-09
申请号：JP2009128580
申请日：2009-05-28
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KUNIKATA SATOSHI , KAMIJO TAKUJI , MIYATAKE MINORU
IPC分类号： G02B5/30 , B29C55/04 , B29K29/00 , B29L11/00 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a polarizer the optical properties of which are hardly deteriorated in a high-temperature environment.
SOLUTION: The method for producing the polarizer includes: a step A of stretching a hydrophilic polymer resin layer, which contains at least one compound selected from urea and thiourea, toward at least one direction in a gas to obtain a stretched resin layer; and a step B of dyeing the stretched resin layer by a dichroic substance.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种偏振片的制造方法，其光学特性在高温环境下难以劣化。解决方案：偏振片的制造方法包括：在气体中朝向至少一个方向拉伸含有至少一种选自脲和硫脲的化合物的亲水性聚合物树脂层以获得拉伸树脂层的步骤A ; 以及通过二色性物质对拉伸树脂层进行染色的工序B. 版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010271703A Polarizing thin film, polarizing plate, and liquid crystal display device 审中-公开
标题翻译：极化薄膜，极化板和液晶显示装置
公开(公告)号：JP2010271703A
公开(公告)日：2010-12-02
申请号：JP2010086642
申请日：2010-04-05
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MIYATAKE MINORU , KAMIJO TAKUJI , SAWADA HIROAKI
IPC分类号： G02B5/30 , G02F1/1335
CPC分类号： G02B5/3033 , G02F1/133528
摘要： PROBLEM TO BE SOLVED: To solve a problem of a conventional polarizing thin film, which absorbs light vibrating in the absorption axis direction to convert it into heat energy and consequently, 57% or more of incident natural light is lost.
SOLUTION: A polarizing thin film 10 comprises a polyvinyl alcohol resin layer 12 containing a dichromatic substance 11. In the polarizing thin film 10, (a) a film thickness t is 0.5-5 μm, and (b) absorbance per film thickness of 1 μm (unit absorbance) of abnormal light is 1.5 or more.
COPYRIGHT: (C)2011,JPO&INPIT

10. 发明专利

JP2008281758A Method for producing optical film, optical film and liquid crystal display 有权
标题翻译：用于生产光学膜，光学膜和液晶显示器的方法
公开(公告)号：JP2008281758A
公开(公告)日：2008-11-20
申请号：JP2007125708
申请日：2007-05-10
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： MACHINAGA HIRONOBU , KAWAMOTO IKURO , SETO YOKO , YONEZAWA HIDEYUKI , KAMIJO TAKUJI
IPC分类号： G02B5/30 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an optical film for inexpensively producing an optical film having satisfactory appearance. SOLUTION: The method for producing the optical film comprises: a rubbing treatment step where the surface of a long-length plastic film F is rubbed with a rubbing roll 4 having a rotary axis tilted from the direction orthogonal to the transport direction of the plastic film; an application step where liquid crystal molecules is applied onto the surface of the plastic film subjected to the rubbing treatment step; and a fixing step where the applied liquid crystal molecules are fixed, and the method is characterized in that in the rubbing treatment step, the relaxation modulus of the surface of the plastic film rubbed with the rubbing roll is ≥3.5 GPa. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种用于廉价制造具有令人满意的外观的光学薄膜的光学薄膜的制造方法。解决方案：制造光学膜的方法包括：摩擦处理步骤，其中长度塑料膜F的表面与旋转轴线摩擦辊4摩擦，所述摩擦辊4具有从与传送方向正交的方向倾斜的旋转轴塑胶膜; 将液晶分子施加到经过摩擦处理工序的塑料膜的表面上的涂布工序; 以及固定所施加的液晶分子的固定步骤，其特征在于，在摩擦处理步骤中，与摩擦辊摩擦的塑料膜的表面的松弛模量为≥3.5GPa。版权所有（C）2009，JPO＆INPIT

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