filme óptico, placa de polarização e dispositivo de tela de cristal líquido

    公开(公告)号:BR112012020888A2

    公开(公告)日:2016-05-03

    申请号:BR112012020888

    申请日:2011-02-18

    Applicant: FUJIFILM CORP

    Abstract: filme óptico, placa de polarização e dispositivo de tela de cristal líquido. trata-se de um filme óptico tendo uma pequena alteração de tamanho com uma alteração de temperatura de um suporte de um filme de retardamento de padrão. um filme óptico inclui: um suporte que compreende um polímero tendo uma permeabilidade à umidade de 0,5% ou maior; uma primeira região de retardamento e uma segunda região de retardamento, na qual a birrefringência desta é mutuamente diferente; e uma camada opticamente anisotrópica na qual a primeira região de retardamento e a segunda região de retardamento são alternadamente padronizadas a cada uma linha.

    dispositivo de exibição de cristal líquido, método para fabricação do mesmo, e dispositivo de exibição de imagem.

    公开(公告)号:BR112012020734A2

    公开(公告)日:2016-04-26

    申请号:BR112012020734

    申请日:2011-02-18

    Applicant: FUJIFILM CORP

    Abstract: dispositivo de exibição de cristal líquido, método para fabricação do mesmo, e dispositivo de exibição de imagem. e fornecido um dispositivo de exibição de cristal líquido que diminui luzes bruxuleantes causadas por interferências de uma imagem tridimensional (uma sobreposição de imagens) ou reflexão de luz externa. um dispositivo de exibição de cristal líquido inclui um par de substratos, pelo menos um dos pares de substratos tendo um eletrodo e o par de substratos sendo colocado em lado oposto um ao outro, e uma primeira placa de polarização colocada em um lado da fonte de luz e uma segunda placa de polarização colocada em um lado da visão com a camada de cristal líquido intercalada entre elas, em que uma película protetor no lado da visão da segunda placa de polarização inclui um suporte transparente que satisfaz 0 re(550) 10 e uma camada oticamente anisotrópica tendo uma função rth 20.

    Optical film and method for manufacturing the same, polarizing plate and liquid crystal display device
    5.
    发明专利
    Optical film and method for manufacturing the same, polarizing plate and liquid crystal display device 审中-公开
    光学膜及其制造方法,偏光板和液晶显示装置

    公开(公告)号:JP2014102492A

    公开(公告)日:2014-06-05

    申请号:JP2013184468

    申请日:2013-09-05

    Abstract: PROBLEM TO BE SOLVED: To provide an optical film having excellent durability and capable of reducing moisture permeability.SOLUTION: The optical film includes a base film comprising a thermoplastic resin and a low moisture permeable layer deposited on the base film; and the film has a moisture permeability of 200 g/m/day or less and satisfies an expression (1):A/B≤0.9. In the expression, A represents a moisture permeability of the optical film having the low moisture permeable layer deposited on the base film comprising the thermoplastic resin; B represents a moisture permeability of the base film comprising the thermoplastic resin; and the permeability is measured after the film is kept at 40°C and 90% relative humidity for 24 hours, in accordance with the procedure specified by JIS 0208.

    Abstract translation: 要解决的问题:提供具有优异的耐久性并且能够降低透湿性的光学膜。解决方案:光学膜包括:基膜,其包含热塑性树脂和沉积在基膜上的低透湿层; 膜的透湿度为200g / m 2 /天以下,满足式(1):A /B≤0.9。 在该表达式中,A表示沉积在包含热塑性树脂的基底膜上的具有低透湿层的光学膜的透湿性; B表示包含热塑性树脂的基膜的透湿性; 并且根据JIS 0208规定的程序,在将膜保持在40℃和90%相对湿度24小时之后测量渗透性。

    Optical film, method for manufacturing the same, polarizing plate, and liquid crystal display device
    7.
    发明专利
    Optical film, method for manufacturing the same, polarizing plate, and liquid crystal display device 有权
    光学薄膜,其制造方法,极化板和液晶显示装置

    公开(公告)号:JP2012215688A

    公开(公告)日:2012-11-08

    申请号:JP2011080593

    申请日:2011-03-31

    Abstract: PROBLEM TO BE SOLVED: To provide an optical film that has a small photoelastic coefficient and a low haze, and is excellent in adhesion to a polarizer and interface adhesion between each layer when bonded by a conventional alkaline saponification method.SOLUTION: An optical film includes an "A" layer containing an acrylic resin having a weight average molecular weight exceeding a million, and a "B" layer containing a first cellulose acylate and a second cellulose acylate each having a different acyl substitution degree. A content ratio of the first cellulose acylate to the second cellulose acylate is 90/10 to 60/40 (mass ratio). The acyl substitution degree of the second cellulose acylate satisfies an expression (1) and at least one of expressions (2A) and (2B), with the expression (1): 2.55≤X+Y≤3.0; the expression (2A): 0.2≤Y≤1.2; and the expression (2B): -0.075n+0.72≤DS(n)≤-0.33n+2.88, where "X" is an acetyl substitution of the second cellulose acylate; "Y" is a substitution degree of an acyl group with carbon number 3 to 7 in the second cellulose acylate; DS(n) is a substitution degree of an acyl group with carbon number "n" in the second cellulose acylate; and "n" is an integer between 3 to 7).

    Abstract translation: 要解决的问题:提供具有小的光弹性系数和低雾度的光学膜,并且当通过常规的碱性皂化方法粘合时,对偏振器的粘附性和每层之间的界面粘合性优异。 解决方案:光学膜包括含有重均分子量超过百万的丙烯酸树脂的“A”层和含有不同酰基取代基的第一纤维素酰化物和第二纤维素酰化物的“B”层 度。 第一纤维素酰化物与第二纤维素酰化物的含量比为90/10〜60/40(质量比)。 第二纤维素酰化物的酰基取代度满足表达式(1)和表达式(2A)和(2B)中的至少一个,其中表达式(1):2.55≤X+Y≤3.0; 表达式(2A):0.2≤Y≤1.2; 和表达式(2B):-0.075n +0.72≤DS(n)≤-0.33n + 2.88,其中“X”是第二纤维素酰化物的乙酰基取代; “Y”是第二纤维素酰化物中碳数为3〜7的酰基的取代度; DS(n)是第二纤维素酰化物中碳数“n”的酰基的取代度; “n”为3〜7之间的整数。 版权所有(C)2013,JPO&INPIT

    Optical film, polarizer and liquid crystal display device
    8.
    发明专利
    Optical film, polarizer and liquid crystal display device 有权
    光学薄膜,偏光片和液晶显示器件

    公开(公告)号:JP2012163982A

    公开(公告)日:2012-08-30

    申请号:JP2012104967

    申请日:2012-05-01

    CPC classification number: G02B5/3083

    Abstract: PROBLEM TO BE SOLVED: To provide an optical film having a low optical anisotropy (Re, Rth) to be substantially optical isotropic, having a narrow wavelength dispersion in the optical anisotropy (Re, Rth) and having a low optical anisotropy (Re, Rth) even when stretched or shrunk.SOLUTION: The optical film is characterized by comprising a cellulose acetate where Re(λ) and Rth(λ) satisfy the following formula, the acyl substituent consists of an acetyl group only, and the total substitution degree is 2.50 to 3.00. 0≤Re≤5 and |Rth|≤10, in which Reis a front retardation value (unit: nm) at a wavelength of λ nm and Rth(λ) is a retardation value (unit: nm) in the film thickness direction at a wavelength of λ nm.

    Abstract translation: 要解决的问题:为了提供具有低光学各向异性(Re,Rth)的光学膜,其基本上是光学各向同性的,在光学各向异性(Re,Rth)中具有窄的波长色散并且具有低光学各向异性( Re,Rth)即使被拉伸或收缩。 光学膜的特征在于包含醋酸纤维素,其中Re(λ)和Rth(λ)满足下式,酰基取代基仅由乙酰基组成,总取代度为2.50〜3.00。 (590)≤5和¾Rth(590)¾≤10,其中Re (λ)是波长为λnm的前延迟值(单位:nm),Rth(λ)是波长为λnm的膜厚方向的延迟值(单位:nm) 。 版权所有(C)2012,JPO&INPIT

    Optical film and manufacturing method thereof, polarizing plate and liquid-crystal display
    9.
    发明专利
    Optical film and manufacturing method thereof, polarizing plate and liquid-crystal display 有权
    光学薄膜及其制造方法,极化板和液晶显示

    公开(公告)号:JP2012093714A

    公开(公告)日:2012-05-17

    申请号:JP2011146320

    申请日:2011-06-30

    Abstract: PROBLEM TO BE SOLVED: To provide an optical film in which display unevenness hardly occurs when other members in a liquid-crystal display come into contact with a cellulose ester film, its bonding to a polarizer is easy and the film plane conditions are excellent.SOLUTION: An optical film includes an acrylic resin layer including acryl resin and at least one cellulose acylate layer including cellulose acylate provided on the surface of the acrylic resin layer. The weight average molecular weight of the acryl resin used as the main component of the acrylic resin layer is 600,000 to 4,000,000.

    Abstract translation: 要解决的问题:为了提供一种当液晶显示器中的其它部件与纤维素酯膜接触时几乎不发生显示不均匀性的光学膜,其与偏振器的接合容易,并且膜平面条件是 优秀。 解决方案:光学膜包括丙烯酸树脂层,丙烯酸树脂层和丙烯酸树脂层的至少一种纤维素酰化物层,其包含纤维素酰化物,其设置在丙烯酸树脂层的表面上。 用作丙烯酸树脂层的主要成分的丙烯酸树脂的重均分子量为600,000至4,000,000。 版权所有(C)2012,JPO&INPIT

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