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    • 21. 发明专利
    • White film and surface light source using the same
    • 白色薄膜和表面光源使用相同
    • JP2012131123A
    • 2012-07-12
    • JP2010285407
    • 2010-12-22
    • Toray Ind Inc東レ株式会社
    • OHIRA TAKAYUKIMAEKAWA SHIGETOSHIOGATA KAZUMASATAKAHASHI KOZO
    • B32B27/36B32B27/00C08J7/04C08L67/00C08L101/02G02B5/02
    • PROBLEM TO BE SOLVED: To provide a white film having both low glossiness and reflectance properties and to provide a surface light source made excellent in luminance properties by using the same.SOLUTION: In the white film, an application layer is formed on at least one surface of the film, the application layer is made of polyester resin of 60-90 wt.% and a copolymer of 10-40 wt.% having a sulfonic acid group and/or salt thereof in its molecule. A difference between a polarity force component (γ1) of surface free energy of the polyester resin and a polarity force component (γ2) of surface free energy of the copolymer having the sulfonic acid group and/or its salt in its molecule is at least 5 mN/m.
    • 要解决的问题:提供具有低光泽度和反射性能的白色膜,并提供通过使用它的亮度特性优异的表面光源。 解决方案:在白色膜中,在膜的至少一个表面上形成涂布层,涂布层由60-90重量%的聚酯树脂和10-40重量%的共聚物制成,具有 其分子中的磺酸基和/或其盐。 聚酯树脂的表面自由能的极性力分量(γ p 1)与极性力分量 在其分子中具有磺酸基和/或其盐的共聚物的表面自由能的比例(γ p 2) 至少5mN / m。 版权所有(C)2012,JPO&INPIT
    • 24. 发明专利
    • Optical film and polarizing plate
    • 光学薄膜和偏光板
    • JP2008242167A
    • 2008-10-09
    • JP2007083853
    • 2007-03-28
    • Toray Ind Inc東レ株式会社
    • HIRAMA SUSUMUMAEKAWA SHIGETOSHITSUKUDA AKIMITSU
    • G02B5/30C08J5/18
    • PROBLEM TO BE SOLVED: To provide a film polarizing plate having a reduced retardation suitable for use for protecting a polarizer and suitable as an optical film having excellent toughness. SOLUTION: The film comprises an amorphous thermoplastic resin having ≥120°C glass transition temperature (Tg), simultaneously satisfies the following conditions (i), (ii), (iii) and (iv) and has 10 to 200 μm thickness. (i) The film has ≤10 nm in-plane retardation (Ret) to light having 550 nm wavelength and ≤10 nm retardation (Rth) in the film thickness direction to light having 590 nm wavelength. (ii) The film has ≥500 times in folding endurance test in both MD and TD directions according to the MIT test method when a flowing direction and a width direction of the film are defined as MD and TD, respectively. (iii) The film has an orientation ratio of the direction MD to the direction TD of 0.90 to 1.10. (iv) The film has ≥90% total ray transmittance and ≤1.0% haze value. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有减小的延迟的膜偏振片,其适用于保护偏振片并适合作为具有优异韧性的光学膜。 解决方案:该膜包括具有≥120℃玻璃化转变温度(Tg)的无定形热塑性树脂,同时满足以下条件(i),(ii),(iii)和(iv),并且具有10至200μm 厚度。 (i)该膜具有对于具有590nm波长的光具有550nm波长的光并且在膜厚度方向上具有≤10nm延迟(Rth)的光,具有≤10nm的面内相位差(Ret)。 (ii)当膜的流动方向和宽度方向分别被定义为MD和​​TD时,根据MIT测试方法,该膜在MD和TD方向上都具有≥500次的耐折性试验。 (iii)膜的MD方向与方向TD的取向比为0.90〜1.10。 (iv)该膜具有≥90%的总光线透射率和≤1.0%雾度值。 版权所有(C)2009,JPO&INPIT
    • 25. 发明专利
    • Method for producing laminate
    • 生产层压板的方法
    • JP2006334965A
    • 2006-12-14
    • JP2005163653
    • 2005-06-03
    • Toray Ind Inc東レ株式会社
    • MAEKAWA SHIGETOSHI
    • B29C65/78B29C65/02B29C65/48B29L9/00G02B5/30
    • PROBLEM TO BE SOLVED: To provide a lamination method for laminating mutual carriages continuously at an angle excluding zero degrees.
      SOLUTION: The method for producing a laminate includes the first intermittent conveyance process for conveying the first carriages intermittently along a prescribed conveyance shaft (the first conveyance shaft), the second intermittent conveyance process for conveying the second carriages intermittently along a prescribed conveyance shaft (the second conveyance shaft), the first transfer process for transferring part of the second carriages to bodies to be transferred, a positioning process in which the bodies to be transferred are moved on the first carriages and prescribed positions are put together, and the second transfer process for transferring part of the second carriages transferred to the bodies to be transferred in the first transfer process onto the first carriages.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种层叠方法,用于以不包括零度的角度连续地层叠相互联动的车厢。 解决方案:层叠体的制造方法包括:第一间歇输送处理,其用于沿着规定的输送轴(第一输送轴)间歇地输送第一托架;第二间歇输送处理,用于沿着规定的输送部间歇地输送第二托架 轴(第二输送轴),将第二托架的一部分转移到要被转移的物体的第一转移处理,将要转移的物体在第一托架和规定位置上移动的定位处理, 第二传送处理,用于将第一传送过程中转移到待传送体的第二台车的一部分传送到第一车厢上。 版权所有(C)2007,JPO&INPIT
    • 28. 发明专利
    • White laminated polyester film
    • 白色层压聚酯薄膜
    • JP2012210759A
    • 2012-11-01
    • JP2011077706
    • 2011-03-31
    • Toray Ind Inc東レ株式会社
    • OGATA KAZUMASAMAEKAWA SHIGETOSHIOHIRA TAKAYUKITAKAHASHI KOZO
    • B32B27/36
    • PROBLEM TO BE SOLVED: To provide a while laminated polyester film having high brightness and excellent interface adhesion without thermal bending when a light source is turned on, in a backlight apparatus for a thin large screen with an LED light source arranged on a side face.SOLUTION: The white laminated polyester film includes as polyester layer (A) laminated on at least one side of a polyester layer (B) having a cavity inside. Polyester resin constituting the polyester layer (A-layer) contains 1-13 mol% of an isophthalic acid component and 87-99 mol% of a terephthalic acid component to a dicarboxylic acid component in the polyester layer (A), and 80-100 mol% of an ethylene glycol component to a diol component in the polyester layer (A). The crystallinity of the polyester layer (A-layer) is higher than 30%.
    • 要解决的问题:为了提供一种具有高亮度和优异的界面粘合性的均匀聚酯聚酯膜,当光源接通时,没有热弯曲,在具有LED光源的薄型大屏幕的背光装置中 侧面。 白色层叠聚酯膜包括层压在其内部具有空腔的聚酯层(B)的至少一面上的聚酯层(A)。 构成聚酯层(A层)的聚酯树脂在聚酯层(A)中含有1-13摩尔%的间苯二甲酸成分和87-99摩尔%的对苯二甲酸成分的二羧酸成分,80〜100 摩尔%的乙二醇组分与聚酯层(A)中的二醇组分。 聚酯层(A层)的结晶度高于30%。 版权所有(C)2013,JPO&INPIT
    • 29. 发明专利
    • Optical polyester resin
    • 光学聚酯树脂
    • JP2010174089A
    • 2010-08-12
    • JP2009016515
    • 2009-01-28
    • Toray Ind Inc東レ株式会社
    • TAN KOICHISAKAMOTO JUNMAEKAWA SHIGETOSHIMATSUI KAZUNAO
    • C08G63/133
    • PROBLEM TO BE SOLVED: To provide an optical polyester resin, having low photoelastic coefficient, excellent in heat resistance, suppressing side effect during molding, wherein birefringence obtainable upon orientation is suitably controlled for a retardation film application.
      SOLUTION: A fluorene polyester resin has a glass transition temperature of ≥125°C, photoelastic coefficient of ≥-25×10
      -12 /Pa and ≤25×10
      -12 /Pa, controls birefringence obtainable upon stretch orientation by means of copolymer composition, and does not contain multiple bonds other than fluorene, ester groups.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决问题:为了提供具有低光弹性系数,耐热性优异,抑制成型时的副作用的光聚酯树脂,其中适当地控制在取向上获得的双折射用于延迟膜施加。 解决方案:芴聚酯树脂的玻璃化转变温度≥125℃,光弹性系数≥-25×10 -12 / Pa,≤25×10 -12 < / SP> / Pa,控制通过共聚物组成在拉伸取向上可获得的双折射,并且不含芴以外的多个键,酯基。 版权所有(C)2010,JPO&INPIT
    • 30. 发明专利
    • Retardation film
    • 延迟膜
    • JP2010049146A
    • 2010-03-04
    • JP2008215058
    • 2008-08-25
    • Toray Ind Inc東レ株式会社
    • MATSUI KAZUNAOMAEKAWA SHIGETOSHITSUKUDA AKIMITSU
    • G02B5/30C08J5/18G02F1/13363
    • PROBLEM TO BE SOLVED: To provide a retardation film having excellent wavelength dispersion property and a small photoelastic coefficient and suitable for application to optical compensation. SOLUTION: The retardation film includes an at least two-layer structure of an A layer comprising a thermoplastic resin A and a B layer comprising a thermoplastic resin B, wherein the ratio of an in-plane retardation of the A layer at 480.4 nm wavelength Re(480.4) (nm) to an in-plane retardation of the A layer at 548.3 nm wavelength Re (548.3) (nm) satisfies expression (1): 0.65≤Re(480.4)/Re(548.3)≤0.98, and the ratio of a thickness-direction retardation of the A layer at 480.4 nm wavelength Rth(480.4) (nm) to an in-plane retardation of the A layer at 548.3 nm wavelength Rth(548.3) (nm) satisfies expression (2): 0.65≤Rth(480.4)/Rth(548.3)≤0.98. The thermoplastic resin B includes a photoelastic coefficient Cσ(B) satisfying expression (3):-10×10 -12 /Pa≤Cσ(B)≤-2×10 -12 /Pa. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供具有优异的波长分散性和小的光弹性系数并适用于光学补偿的延迟膜。 解决方案:延迟膜包括包含热塑性树脂A的A层和包含热塑性树脂B的B层的至少两层结构,其中A层的面内延迟的比为480.4 nm波长Re(480.4)(nm)相对于548.3nm波长的A层的面内相位差Re(548.3)(nm)满足式(1):0.65≤Re(480.4)/ Re(548.3)≤0.98, 在480.4nm波长Rth(480.4)(nm)处的A层的厚度方向延迟与548.3nm波长的A层的面内相位差Rth(548.3)(nm)的比率满足式(2) :0.65≤Rth(480.4)/ Rth(548.3)≤0.98。 热塑性树脂B包括满足式(3)的光弹性系数Cσ(B):-10×10 -12 /Pa≤Cσ(B)≤-2×10 -12 < SP> / PA。 版权所有(C)2010,JPO&INPIT