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    Elliptically polarizing plate, liquid crystal panel, liquid crystal display device, and image display device
    1.
    发明申请
    Elliptically polarizing plate, liquid crystal panel, liquid crystal display device, and image display device 审中-公开
    椭圆偏光板，液晶面板，液晶显示装置和图像显示装置

    公开(公告)号：US20070020407A1

    公开(公告)日：2007-01-25

    申请号：US11455107

    申请日：2006-06-19

    申请人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki ,  Shuusaku Nakano

    发明人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki ,  Shuusaku Nakano

    IPC分类号： C09K19/00

    CPC分类号： G02B5/3083 ,  G02B5/3033 ,  Y10T428/1041

    摘要： An elliptically polarizing plate comprising a retardation film having a film comprising a polymer which has, as its main chain, a polyol skeleton having a side chain substituted with at least one chemical group selected from the group consisting of an aromatic carbonyl group, an aryl-substituted lower alkylcarbonyl group, and an unsaturated aliphatic carbonyl group, the chemical group being bonded to an oxygen atom in the polyol skeleton side chain, and a polarizer stacked over the retardation film, wherein the polarizer is made of a coating film obtained by applying a dichromatic colorant. As the dichromatic colorant, an organic colorant represented by (chromogen)(SO3M)n wherein M represents a cation is used. The elliptically polarizing plate has a good visibility in the range of visible rays and can be made thin and light.

    摘要翻译： 一种椭圆偏振片，包括具有膜的延迟膜，所述延迟膜包含聚合物，所述聚合物以其主链作为被具有至少一个选自芳族羰基，芳基羰基， 取代的低级烷基羰基和不饱和脂肪族羰基，所述化学基团与所述多元醇骨架侧链中的氧原子键合，以及叠层在所述延迟膜上的偏振片，其中所述偏振片由涂布膜 二色染料。 作为二色性着色剂，使用由（着色剂）（SO 3 M）N N表示的有机着色剂，其中M表示阳离子。 椭圆偏振板在可见光范围内具有良好的可视性，并且可以变得薄而轻。

    Retardation film, use of said retardation film, and novel modified polymer
    2.
    发明授权
    Retardation film, use of said retardation film, and novel modified polymer 有权
    延迟膜，使用所述延迟膜和新型改性聚合物

    公开(公告)号：US07722935B2

    公开(公告)日：2010-05-25

    申请号：US11579921

    申请日：2005-06-14

    申请人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki

    发明人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki

    IPC分类号： G02F1/13363

    CPC分类号： C08F8/14 ,  C08J5/18 ,  C08J2323/08 ,  G02F1/13363 ,  G02F2001/133637 ,  H01J2211/44 ,  Y10T428/10 ,  Y10T428/105 ,  C08F16/06

    摘要： A modified polymer which can serve as a raw material of novel reverse dispersion retardation films is provided, the modified polymer having no need to select a plurality of monomers or polymers in order to realize a reverse dispersion and having no problems concerning glass transition temperature or the like in drawing treatment. A polymer having a polyol skeleton as its main chain is caused to react with a compound for modification such as an aromatic carboxylic acid hydride. Through this reaction, a modified polymer in which a chemical group such as an aromatic carbonyl group is bonded to an oxygen atom in a side chain of the polyol skeleton is prepared. For example, polyvinyl alcohols and benzoyl chloride can be used as the polymer and the compound for modification, respectively. The chemical group may be a benzoyl group. When this modified polymer is formed into a film and then subjected to drawing treatment, a retardation film which exhibits a reverse wavelength dispersion characteristic can be obtained.

    摘要翻译： 可以提供可用作新型反分散延迟膜的原料的改性聚合物，为了实现反向分散而不需要选择多种单体或聚合物，改性聚合物不需要玻璃化转变温度或 像画画处理。 使以多元醇骨架为主链的聚合物与芳香族羧酸氢化物等改性化合物反应。 通过该反应，制备其中诸如芳族羰基的化学基团与多元醇骨架的侧链中的氧原子结合的改性聚合物。 例如，聚乙烯醇和苯甲酰氯可以分别用作聚合物和用于改性的化合物。 化学基团可以是苯甲酰基。 当将该改性聚合物形成膜然后进行拉伸处理时，可以获得呈现反向波长色散特性的延迟膜。

    Retardation Film, Use of Said Retardation Film, and Novel Modified Polymer
    3.
    发明申请
    Retardation Film, Use of Said Retardation Film, and Novel Modified Polymer 有权
    延迟膜，所述延迟膜的用途和新型改性聚合物

    公开(公告)号：US20070243340A1

    公开(公告)日：2007-10-18

    申请号：US11579921

    申请日：2005-06-14

    申请人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki

    发明人： Seiji Umemoto ,  Yutaka Ohmori ,  Michie Sakamoto ,  Takashi Kamijou ,  Junzou Miyazaki

    IPC分类号： C09K19/00 ,  G02F1/1335

    CPC分类号： C08F8/14 ,  C08J5/18 ,  C08J2323/08 ,  G02F1/13363 ,  G02F2001/133637 ,  H01J2211/44 ,  Y10T428/10 ,  Y10T428/105 ,  C08F16/06

    摘要： A modified polymer which can serve as a raw material of novel reverse dispersion retardation films is provided, the modified polymer having no need to select a plurality of monomers or polymers in order to realize a reverse dispersion and having no problems concerning glass transition temperature or the like in drawing treatment. A polymer having a polyol skeleton as its main chain is caused to react with a compound for modification such as an aromatic carboxylic acid hydride. Through this reaction, a modified polymer in which a chemical group such as an aromatic carbonyl group is bonded to an oxygen atom in a side chain of the polyol skeleton is prepared. For example, polyvinyl alcohols and benzoyl chloride can be used as the polymer and the compound for modification, respectively. The chemical group may be a benzoyl group. When this modified polymer is formed into a film and then subjected to drawing treatment, a retardation film which exhibits a reverse wavelength dispersion characteristic can be obtained.

    摘要翻译： 可以提供可用作新型反分散延迟膜的原料的改性聚合物，为了实现反向分散而不需要选择多种单体或聚合物，改性聚合物不需要玻璃化转变温度或 像画画处理。 使以多元醇骨架为主链的聚合物与芳香族羧酸氢化物等改性化合物反应。 通过该反应，制备其中诸如芳族羰基的化学基团与多元醇骨架的侧链中的氧原子结合的改性聚合物。 例如，聚乙烯醇和苯甲酰氯可以分别用作聚合物和用于改性的化合物。 化学基团可以是苯甲酰基。 当将该改性聚合物形成膜然后进行拉伸处理时，可以获得呈现反向波长色散特性的延迟膜。

    Retardation Film, Novel Polymer, Optical Film, and Image Display Device
    4.
    发明申请
    Retardation Film, Novel Polymer, Optical Film, and Image Display Device 有权
    延迟膜，新型聚合物，光学膜和图像显示装置

    公开(公告)号：US20080200621A1

    公开(公告)日：2008-08-21

    申请号：US10592729

    申请日：2005-06-03

    申请人： Yutaka Ohmori ,  Michie Sakamoto ,  Shuusaku Nakano ,  Takahisa Konishi ,  Seiji Umemoto

    发明人： Yutaka Ohmori ,  Michie Sakamoto ,  Shuusaku Nakano ,  Takahisa Konishi ,  Seiji Umemoto

    IPC分类号： C08G10/02

    CPC分类号： C08F216/38 ,  C08F8/48 ,  C08F216/06 ,  C08J5/18 ,  G02B5/3083 ,  Y10T428/1036 ,  C08F8/28 ,  C08F16/06

    摘要： A retardation film comprising a monolayer film having a birefringent chain polymer orientated. The polymer has a repeating unit of the structure of the general formula: (V) wherein R3 is a hydrogen atom or C1-C8 alkyl; each of R4 and R8 independently is a hydrogen atom, C1-C4 linear or branched alkyl, C1-C4 linear or branched alkoxyl, C1-C4 linear or branched thioalkoxyl, halogen, nitro, amino, hydroxyl or thiol (with the proviso that R4 and R8 are not simultaneously hydrogen atoms); and each of R5, R6 and R7 independently is a hydrogen atom or a substituent. This retardation film can be a relatively thin layer, and exhibits such a wavelength dispersion that with respect to light rays of wavelength λ of approximately the entire visible region, the phase contrast is about λ/2 or about λ/4.

    摘要翻译： 一种延迟膜，其包含具有双折射链聚合物取向的单层膜。 聚合物具有以下结构的重复单元：（V）其中R 3是氢原子或C 1 -C 8亚烷基 烷基; R 4和R 8各自独立地是氢原子，C 1 -C 4直链或支链烷基 C 1 -C 4直链或支链烷氧基，C 1 -C 4直链或支链硫代烷氧基，卤素 ，硝基，氨基，羟基或硫醇（条件是R 4和R 8不同时为氢原子）; R 5，R 6和R 7各自独立地为氢原子或取代基。 该延迟膜可以是相对薄的层，并且表现出相对于大约整个可见区域的波长λ的光线，相位差约为λ/ 2或约λ/ 4的波长色散。

    Retardation film, novel polymer, optical film, and image display device
    5.
    发明授权
    Retardation film, novel polymer, optical film, and image display device 有权
    延迟膜，新型聚合物，光学膜和图像显示装置

    公开(公告)号：US07501165B2

    公开(公告)日：2009-03-10

    申请号：US10592729

    申请日：2005-06-03

    申请人： Yutaka Ohmori ,  Michie Sakamoto ,  Shuusaku Nakano ,  Takahisa Konishi ,  Seiji Umemoto

    发明人： Yutaka Ohmori ,  Michie Sakamoto ,  Shuusaku Nakano ,  Takahisa Konishi ,  Seiji Umemoto

    IPC分类号： G02F1/13363 ,  C08G10/06

    CPC分类号： C08F216/38 ,  C08F8/48 ,  C08F216/06 ,  C08J5/18 ,  G02B5/3083 ,  Y10T428/1036 ,  C08F8/28 ,  C08F16/06

    摘要： A retardation film according to the present invention consists of a single-layer film in which a birefringent chain polymer is oriented, the polymer having as a repeating unit (A), a structure represented by the following general formula (V): wherein R3 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms; R4 and R8 each independently represent a hydrogen atom, a linear or branched alkyl group having 1 to 4 carbon atoms, a linear or branched alkoxyl group having 1 to 4 carbon atoms, a linear or branched thioalkoxyl group having 1 to 4 carbon atoms, halogen, a nitro group, an amino group, a hydroxyl group, or a thiol group (where R4 and R8 are not simultaneously hydrogen atoms); and R5, R6, and R7 each independently represent a hydrogen atom or a substituent.

    摘要翻译： 根据本发明的延迟膜由双折射链聚合物取向的单层膜，聚合物具有重复单元（A），由以下通式（V）表示的结构：其中R3表示 氢原子或碳原子数为1〜8的烷基; R4和R8各自独立地表示氢原子，碳原子数1〜4的直链或支链烷基，碳原子数1〜4的直链或支链烷氧基，碳原子数1〜4的直链或支链烷氧基，卤素 硝基，氨基，羟基或硫醇基（其中R4和R8不同时为氢原子）; R 5，R 6和R 7各自独立地表示氢原子或取代基。

    Retardation film, polarizing element, liquid crystal panel, and liquid crystal apparatus
    7.
    发明申请
    Retardation film, polarizing element, liquid crystal panel, and liquid crystal apparatus 有权
    延迟膜，偏振元件，液晶面板以及液晶装置

    公开(公告)号：US20060177607A1

    公开(公告)日：2006-08-10

    申请号：US11344577

    申请日：2006-02-01

    申请人： Yutaka Ohmori ,  Michie Sakamoto ,  Hisae Sugihara ,  Akinori Izaki

    发明人： Yutaka Ohmori ,  Michie Sakamoto ,  Hisae Sugihara ,  Akinori Izaki

    IPC分类号： C09K19/00

    CPC分类号： G02B5/3083 ,  C08J5/18 ,  Y10T428/1036 ,  Y10T428/1041

    摘要： There is provided a retardation film including a stretched film of a polymer film having an absolute value of photoelastic coefficient (m2/N) of 50×10−12 or less measured by using light of a wavelength of 550 nm at 23° C., which satisfies the following expressions (1) and (2): Re[450]

    摘要翻译： 提供了一种延迟膜，其包括通过使用通过使用以下方法测量的具有50×10 -12或更低的光弹性系数（m 2 / N 2 / N）的绝对值的聚合物膜的拉伸膜 满足以下表达式（1）和（2）的波长为550nm的光在23℃下的光：<？in-line-formula description =“In-line formula”end =“lead”？> Re [ 450] <？in-line-formula description =“In-line 公式“end =”lead“？> Rth [550] 在表达式（1） 和（2）：Re [450]，Re [550]和Re [650]分别表示在23℃下使用波长为450nm，550nm和650nm的光测量的面内延迟值。 Rth [550]表示在23℃使用波长为550nm的光测定的厚度方向延迟值。

    Optical film and image display device
    9.
    发明授权
    Optical film and image display device 有权
    光学胶片和图像显示装置

    公开(公告)号：US08722842B2

    公开(公告)日：2014-05-13

    申请号：US12595133

    申请日：2008-04-03

    申请人： Toshiyuki Iida ,  Yutaka Ohmori ,  Miyuki Kurogi

    发明人： Toshiyuki Iida ,  Yutaka Ohmori ,  Miyuki Kurogi

    IPC分类号： C08G73/00

    CPC分类号： G02B5/3083 ,  C08G73/10 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/12 ,  C08G73/123 ,  C08G73/126 ,  C08J5/18 ,  C08J2379/08 ,  C08L79/085 ,  G02B1/04 ,  G02F1/133634 ,  G02F2001/133637 ,  Y10T428/31721 ,  C08L79/08

    摘要： The present invention provides an optical film exhibiting wavelength dispersion such that a retardation value is smaller on the shorter wavelength side, and capable of being also formed comparatively thinly.The optical film of the present invention is an optical film including a polyimide-based polymer represented by the following general formula (I).In the formula (I), m is 40% by mol or more and 100% by mol or less. R1 and R2 each independently denote a substituent having a carbon-carbon double bond or a triple bond. A, A′, B, B′, E, G, and H each denote a substituent, and small letters corresponding to these alphabets denote substitution number thereof. X and Y each independently denote bond part such as a covalent bond. The substituents having a carbon-carbon double bond or a triple bond represented by R1 and R2 are a substituted or unsubstituted aryl group, a substituted or unsubstituted vinyl group, and a substituted or unsubstituted ethynyl group.

    摘要翻译： 本发明提供一种表现波长色散的光学膜，使得在较短波长侧的延迟值较小，并且还能够相对较薄地形成。 本发明的光学膜是包含由以下通式（I）表示的聚酰亚胺类聚合物的光学膜。 式（I）中，m为40摩尔％以上且100摩尔％以下。 R 1和R 2各自独立地表示具有碳 - 碳双键或三键的取代基。 A，A'，B，B'，E，G和H各自表示取代基，对应于这些字母的小写字母表示取代数。 X和Y各自独立地表示诸如共价键的键合部分。 由R 1和R 2表示的具有碳 - 碳双键或三键的取代基是取代或未取代的芳基，取代或未取代的乙烯基和取代或未取代的乙炔基。