Method for producing birefringent film, optical film and image display device using the same
    1.
    发明授权
    Method for producing birefringent film, optical film and image display device using the same 有权
    双折射膜的制造方法,光学膜和使用其的图像显示装置

    公开(公告)号:US07833457B2

    公开(公告)日:2010-11-16

    申请号:US10554224

    申请日:2004-10-01

    IPC分类号: B29C55/00

    摘要: A birefringent film with excellent uniformity in in-plane retardation, retardation in the thickness direction, and alignment axis is provided. The birefringent film is produced in such a manner that, in the step of stretching a polymer film, the polymer film is stretched in a width direction while being shrunk in a longitudinal direction, and assuming that lengths in the width direction and the longitudinal direction of the polymer film before being stretched are 1, a change ratio (STD) of the length in the width direction of the polymer film resulting from the stretching and a change ratio (SMD) of the length in the longitudinal direction of the polymer film resulting from the shrinking satisfy the following formula (1). (1/STD)1/2≦SMD

    摘要翻译: 提供了具有优异的面内延迟均匀性,厚度方向延迟和取向轴的双折射膜。 双折射膜的制造方法是,在拉伸高分子膜的工序中,聚合物膜沿长度方向收缩而沿宽度方向拉伸,假设宽度方向和长度方向的长度 拉伸前的聚合物膜为1,由拉伸得到的聚合物膜的宽度方向的长度的变化率(STD)和聚合物膜的长度方向的长度的变化率(SMD)由 收缩满足下式(1)。 (1 / STD)1/2&nlE; SMD <1(1)

    Method for producing birefringent film, optical film and image display device using the same
    2.
    发明申请
    Method for producing birefringent film, optical film and image display device using the same 有权
    双折射膜的制造方法,光学膜和使用其的图像显示装置

    公开(公告)号:US20060275559A1

    公开(公告)日:2006-12-07

    申请号:US10554224

    申请日:2004-10-01

    IPC分类号: B29C55/08 C09K19/00

    摘要: A birefringent film with excellent uniformity in in-plane retardation, retardation in the thickness direction, and alignment axis is provided. The birefringent film is produced in such a manner that, in the step of stretching a polymer film, the polymer film is stretched in a width direction while being shrunk in a longitudinal direction, and assuming that lengths in the width direction and the longitudinal direction of the polymer film before being stretched are 1, a change ratio (STD) of the length in the width direction of the polymer film resulting from the stretching and a change ratio (SMD) of the length in the longitudinal direction of the polymer film resulting from the shrinking satisfy the following formula (1). (1/STD)1/2≦SMD

    摘要翻译: 提供了具有优异的面内延迟均匀性,厚度方向延迟和取向轴的双折射膜。 双折射膜的制造方法是,在拉伸高分子膜的工序中,聚合物膜沿长度方向收缩而沿宽度方向拉伸,假设宽度方向和长度方向的长度 拉伸前的聚合物膜为1,由拉伸得到的聚合物膜的宽度方向的长度的变化率(STD)和聚合物膜的长度方向的长度的变化率(SMD)由 收缩满足下式(1)。 (1 / STD) <= SMD <1(1)<?in-line -formulae description =“在线公式”end =“tail”?>

    Method for manufacturing coated sheet, optical functional layer, optical element, and image display device
    3.
    发明授权
    Method for manufacturing coated sheet, optical functional layer, optical element, and image display device 有权
    制造涂布片,光学功能层,光学元件和图像显示装置的方法

    公开(公告)号:US07361382B2

    公开(公告)日:2008-04-22

    申请号:US10610741

    申请日:2003-07-02

    IPC分类号: B05D5/06

    摘要: A method for manufacturing a coated sheet that forms a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area. A method for manufacturing a coated sheet to form a coated layer by a process including a process (1) for coating a coating liquid including a resin material and a solvent on a substrate, and a drying process (2) for drying a coated liquid, wherein a drying speed of a coated liquid in the drying process (2) is set 0.3 [g/m2·s] or less.

    摘要翻译: 即使在基板面积大的情况下,也可以通过涂布液形成涂膜均匀的涂布层的制造方法。 一种通过包括用于在基材上涂布包括树脂材料和溶剂的涂布液的方法(1)的方法和用于干燥涂布液体的干燥工艺(2)的方法制造涂覆的薄板以形成涂层的方法, 其中干燥过程(2)中涂覆液体的干燥速度设定为0.3 [g / m 2以上]以下。

    Process for making a polarizing film
    5.
    发明授权
    Process for making a polarizing film 有权
    制造偏光膜的方法

    公开(公告)号:US06833090B2

    公开(公告)日:2004-12-21

    申请号:US10126954

    申请日:2002-04-22

    IPC分类号: B29D1100

    摘要: The present invention provides a polarizing film having a high polarization degree and high transmittance, a process for producing the polarizing film, and a polarizing plate using the polarizing film, and an optical member. In the process for producing the polarizing film, a polyvinyl alcohol-based film is dry-stretched uniaxially, relaxed in an aqueous solution containing iodine or a dichroic dyestuff, and further stretched in an aqueous solution containing a PVA crosslinking agent. It is preferable that the polyvinyl alcohol-based film has a dry-stretch ratio of at least 2, the film after relaxation has a stretch ratio of at least 1.02, and the total stretch ratio is at most 6.5. It is also preferable that the relaxation rate is at most 10% of the dry-stretch ratio.

    摘要翻译: 本发明提供了具有高偏振度和高透射率的偏振膜,偏振膜的制造方法和使用该偏振膜的偏振片以及光学元件。 在偏光膜的制造方法中,将聚乙烯醇系膜单轴拉伸干燥,在含有碘或二色性染料的水溶液中松弛,并进一步在含有PVA交联剂的水溶液中拉伸。 优选的是,聚乙烯醇系膜的干拉伸比为2以上,弛豫后的拉伸倍率为1.02以上,总拉伸倍率为6.5以下。 松弛率也优选为干拉伸倍率的10%以下。

    Process of producing a polarizer, polarizer, polarizing plate, and visual display
    6.
    发明授权
    Process of producing a polarizer, polarizer, polarizing plate, and visual display 有权
    偏振片,起偏镜,偏光板,视觉显示器的制造方法

    公开(公告)号:US06760156B2

    公开(公告)日:2004-07-06

    申请号:US10246543

    申请日:2002-09-19

    IPC分类号: G02B530

    摘要: A polarizer provide that has a high polarization degree and a high transmittance, which is made of a polyvinyl alcohol film, may be produced by a process of producing, comprising the steps of: subjecting a non-stretched polyvinyl alcohol film to uniaxial dry stretching treatment to give a stretch ratio of 4 times or less, dyeing the film, and then subjecting the film to uniaxial stretching treatment to give a stretch ratio of less than 1.5 times under the condition containing a boron compound.

    摘要翻译: 可以通过制造方法制造具有高偏振度和高透射率的偏光镜,其由聚乙烯醇膜制成,包括以下步骤:将未拉伸的聚乙烯醇膜进行单轴干拉伸处理 拉伸倍数为4倍以下,对该膜进行染色,然后对该膜进行单轴拉伸处理,使得在含有硼化合物的条件下拉伸比小于1.5倍。

    Process for producing polarizing film, polarizing film, polarizing plate, optical film, and image display
    7.
    发明授权
    Process for producing polarizing film, polarizing film, polarizing plate, optical film, and image display 有权
    用于制造偏光膜,偏振片,偏振片,光学膜和图像显示器的方法

    公开(公告)号:US07871665B2

    公开(公告)日:2011-01-18

    申请号:US10581610

    申请日:2005-07-25

    IPC分类号: G02B1/10

    摘要: The present invention pertains to a method of fabricating a polarizing film by uniaxially stretching a resin film such as a polyvinyl alcohol-based film in a fabrication process including a swelling step and a dyeing step following the swelling step, comprising the steps of immersing a resin film in bath liquids in at least two or more swelling baths in sequence in the above-mentioned swelling step, wherein at least a bath temperature of a swelling bath located at a Nth position from the front-stage side is set at a temperature which is higher than a bath temperature of a swelling bath located at a (N+M)th position by 3° C. or more (both N and M are specified positive integers).

    摘要翻译: 本发明涉及在包括溶胀步骤和膨胀步骤之后的染色步骤的制造方法中通过单轴拉伸树脂膜如聚乙烯醇基膜制造偏光膜的方法,包括以下步骤:将树脂 在上述溶胀步骤中依次在至少两个或更多个溶胀浴中的浴液中的膜,其中位于前段侧的第N位置的溶胀浴的浴温至少为 高于位于(N + M)位置3℃以上的溶胀浴的浴温度(N和M均为正整数)。

    Method for manufacturing coated sheet, optical functional layer, optical element, and image display device
    9.
    发明授权
    Method for manufacturing coated sheet, optical functional layer, optical element, and image display device 失效
    制造涂布片,光学功能层,光学元件和图像显示装置的方法

    公开(公告)号:US07320812B2

    公开(公告)日:2008-01-22

    申请号:US10641117

    申请日:2003-08-15

    IPC分类号: B05D5/06

    摘要: A method for manufacturing a coated sheet that may form a coated layer having a uniform film thickness by a coating liquid even when a substrate has a large area is provided.A method for manufacturing a coated sheet to form a coated layer by a process including a process (1) for coating a coating liquid including a resin material and a solvent on a substrate, and a drying process (2) for drying a coated liquid, wherein a drying is performed under drying wind flow having an average wind speed of 10 m/s or less until a viscosity of the coated liquid in the drying process (2) reaches at least 50 [mPa·s] at drying temperatures.

    摘要翻译: 提供了即使在基板面积大的情况下也可以通过涂布液形成具有均匀膜厚的涂布层的涂布片材的制造方法。 一种通过包括用于在基材上涂布包括树脂材料和溶剂的涂布液的方法(1)的方法和用于干燥涂布液体的干燥工艺(2)的方法制造涂覆的薄板以形成涂层的方法, 其特征在于,干燥风干燥时的平均风速为10m / s以下,干燥工序(2)中的涂布液的粘度在干燥温度下达到至少50 [mPa·s]。