Cellulose ester film, polarizing plate for in-plane-switching mode display and in-plane-switching mode display using the cellulose ester film
    3.
    发明申请
    Cellulose ester film, polarizing plate for in-plane-switching mode display and in-plane-switching mode display using the cellulose ester film 失效
    纤维素酯膜,用于面内切换模式显示的偏振片和使用纤维素酯膜的平面切换模式显示

    公开(公告)号:US20070048462A1

    公开(公告)日:2007-03-01

    申请号:US11473750

    申请日:2006-06-23

    IPC分类号: C09K19/00

    摘要: A cellulose ester film containing a polyester represented by Formula (1) or (2), wherein an in-plane retardation value (Ro) is 0 to 5 nm and a retardation value in a thickness direction (Rt) is −20 to 10 nm, Ro and Rt being measured at 23° C. and 55% RH: B1-(G-A-)mG-B1  Formula (1) wherein B1: monocarboxylic acid, G: dihydric alcohol, A: dibasic acid, B1, G and A contain no aromatic ring, m: repeat number, plural B1 may be the same or different, and plural G may be the same or different; and B2-(A-G-)nA-B2  Formula (2) wherein B2: monoalcohol, G: dihydric alcohol, A: dibasic acid, provided that none of B2, G and A contains an aromatic ring, n: repeat number, plural B2 may be the same or different, and plural G may be the same or different.

    摘要翻译: 一种含有式(1)或(2)所示的聚酯的纤维素酯膜,其中面内延迟值(Ro)为0〜5nm,厚度方向(Rt)的延迟值为-20〜10nm 在23℃和55%RH下测量Ro和Rt:<?in-line-formula description =“In-line Formulas”end =“lead”?> B <1> 式(1)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中B&lt;&lt; 1:一元羧酸,G:二元醇,A:二元酸,B 1,G和A不含芳环,m:重复数,多个B 1, 可以相同或不同,并且多个G可以相同或不同; 和<?in-line-formula description =“In-line Formulas”end =“lead”?> B <2> - (AG - ) 式(2)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中B 2:一元醇,G:二元醇,A: 二元酸,只要B 2,G和A都不含有芳环,n:重复数,多个B 2可以相同或不同,并且多个G 可能是相同或不同的。

    Vertical alignment mode liquid crystal display
    4.
    发明授权
    Vertical alignment mode liquid crystal display 有权
    垂直对准模式液晶显示

    公开(公告)号:US09081231B2

    公开(公告)日:2015-07-14

    申请号:US13256407

    申请日:2010-02-12

    摘要: A vertical alignment mode liquid crystal display comprising: a liquid crystal cell; a first polarizer; a second polarizer; a first optical film arranged between the first polarizer and the liquid crystal cell; and a second optical film arranged between the liquid crystal cell and the second optical film, wherein the first and the second optical films each are a resin film having an optically biaxial property, the first and the second optical films meet: Formula (1) Ro1>Ro2; Formula (2) Rth1

    摘要翻译: 一种垂直取向模式液晶显示器,包括:液晶单元; 第一偏振器; 第二偏振器; 布置在所述第一偏振器和所述液晶单元之间的第一光学膜; 以及布置在所述液晶单元和所述第二光学膜之间的第二光学膜,其中所述第一和第二光学膜各自为具有光学双轴性质的树脂膜,所述第一和第二光学膜满足:式(1)Ro1 > Ro2; 公式(2)Rth1

    Polarizing plate protective film, polarizing plate, and liquid crystal display
    5.
    发明授权
    Polarizing plate protective film, polarizing plate, and liquid crystal display 有权
    偏光板保护膜,偏光板和液晶显示屏

    公开(公告)号:US08900676B2

    公开(公告)日:2014-12-02

    申请号:US12305213

    申请日:2007-06-11

    IPC分类号: G02B5/30 G02F1/1335

    摘要: A polarizing plate protective film forming a polarizing plate by sandwiching a polarizer with two of the polarizing plate protective films, wherein at least one of the two polarizing plate protective films exhibits Ro defined by Expression (I) of 0 to 10 mm and Rt defined by Expression (II) of −20 to 20 mm, and also at least one of the polarizing plate protective films has a hard coat layer: Expression (I): Ro=(nx−ny)×d; Expression (II): Rt={(nx+ny)/2−nz}×d; wherein nx is a refractive index in a delayed phase axis direction in a plane of the polarizing plate protective film, ny is a refractive index in a direction at right angles to the delayed phase axis in the plane, nz is a refractive index in a film thickness direction, and d is a film thickness (nm).

    摘要翻译: 一种偏振片保护膜,其通过将偏振片夹持在两个偏振片保护膜中而形成偏光板,其中两个偏振片保护膜中的至少一个表现为由表达式(I)定义为0至10毫米的Ro和由 表达式(II)为-20〜20mm,并且至少一个偏振片保护膜具有硬涂层:表达式(I):Ro =(nx-ny)×d; 表达式(II):Rt = {(nx + ny)/ 2-nz}×d; 其中nx是偏振片保护膜的平面中的延迟相位轴方向的折射率,ny是与平面中的延迟相位轴成直角的方向的折射率,nz是膜中的折射率 厚度方向,d为膜厚(nm)。

    Retardation film, polarizing plate using same, and liquid crystal display device
    6.
    发明授权
    Retardation film, polarizing plate using same, and liquid crystal display device 有权
    延迟膜,使用其的偏振片和液晶显示装置

    公开(公告)号:US08652591B2

    公开(公告)日:2014-02-18

    申请号:US13814881

    申请日:2011-06-23

    IPC分类号: G02F1/1335

    摘要: The purpose of the present invention is to provide: a retardation film which uses a low-substituted cellulose ester and has improved retardation after saponification and improved wet heat stability of internal haze; a polarizing plate which uses the retardation film; and a liquid crystal display device. An optical film of the present invention contains a cellulose ester and a compound represented by general formula (1), and is characterized in that the compound has an average degree of substitution within the range of 3.0-6.0 and contains a component having a degree of substitution of 4 or less in an amount of 30-80% by mass (inclusive). (In the formula, R1-R8 each represents a substituted or unsubstituted alkylcarbonyl group or a substituted or unsubstituted allylcarbonyl group, and R1-R8 may be the same as or different from one another.)

    摘要翻译: 本发明的目的是提供:使用低取代纤维素酯并且在皂化后具有改善的延迟并改善内部雾度的湿热稳定性的延迟膜; 使用相位差膜的偏振片; 和液晶显示装置。 本发明的光学膜含有纤维素酯和通式(1)表示的化合物,其特征在于,所述化合物的平均取代度在3.0〜6.0的范围内,其含有 以30〜80质量%(以下)的量替代4以下。 (式中,R 1 -R 8各自表示取代或未取代的烷基羰基或取代或未取代的烯丙基羰基,R 1〜R 8可以相同也可以不同。

    VERTICAL ALIGNMENT MODE LIQUID CRYSTAL DISPLAY
    7.
    发明申请
    VERTICAL ALIGNMENT MODE LIQUID CRYSTAL DISPLAY 有权
    垂直对准模式液晶显示

    公开(公告)号:US20120002143A1

    公开(公告)日:2012-01-05

    申请号:US13256407

    申请日:2010-02-12

    IPC分类号: G02F1/1335

    摘要: A vertical alignment mode liquid crystal display comprising: a liquid crystal cell; a first polarizer; a second polarizer; a first optical film arranged between the first polarizer and the liquid crystal cell; and a second optical film arranged between the liquid crystal cell and the second optical film, wherein the first and the second optical films each are a resin film having an optically biaxial property, the first and the second optical films meet: Formula (1) Ro1>Ro2; Formula (2) Rth1

    摘要翻译: 一种垂直取向模式液晶显示器,包括:液晶单元; 第一偏振器; 第二偏振器; 布置在所述第一偏振器和所述液晶单元之间的第一光学膜; 以及布置在所述液晶单元和所述第二光学膜之间的第二光学膜,其中所述第一和第二光学膜各自为具有光学双轴性质的树脂膜,所述第一和第二光学膜满足:式(1)Ro1 > Ro2; 公式(2)Rth1

    POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY
    8.
    发明申请
    POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY 有权
    极化保护膜,极化板和液晶显示器

    公开(公告)号:US20100157206A1

    公开(公告)日:2010-06-24

    申请号:US12296297

    申请日:2007-04-02

    IPC分类号: G02F1/1335 C08L1/10 G02B5/30

    摘要: Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000.

    摘要翻译: 公开了一种对水分具有高尺寸稳定性的偏振片保护膜。 还公开了使用这种偏振片保护膜的偏振片和液晶显示器。 具体公开了一种偏振片保护膜,其特征在于含有纤维素酯和通过使至少不具有羟基的苯乙烯衍生物单体Xa与具有羟基或羧基的烯键式不饱和单体Xb共聚而获得的聚合物X ,重均分子量为500〜10000。

    Polarizing plate and liquid crystal display apparatus using the same
    9.
    发明授权
    Polarizing plate and liquid crystal display apparatus using the same 失效
    偏光板和使用其的液晶显示装置

    公开(公告)号:US07704570B2

    公开(公告)日:2010-04-27

    申请号:US11509724

    申请日:2006-08-25

    IPC分类号: G02B5/30 G02F1/1335

    摘要: A polarizing plate includes two transparent supports A and B; and a polarizer sandwiched between the two transparent supports A and B; wherein (i) the transparent support A is a stretched cellulose ester film (a) which contains a non-phosphoric acid ester plasticizer and substantially does not contain a phosphoric acid ester plasticizer, and wherein (ii) the transparent support B is a stretched cellulose ester film (b) which has a retardation value R0 of from 0 nm to 10 nm and a retardation value Rt of from −30 nm to 20 nm, and the retardation value R0 and the retardation value Rt are defined by the following formulas (I) and (II): Ro=(nx−ny)×d  Formula (I): Rt={(nx+ny)/2−nz}×d.  Formula (II):

    摘要翻译: 偏振片包括两个透明支撑体A和B; 夹在两个透明支撑体A和B之间的偏振片; 其中(i)透明载体A是含有非磷酸酯增塑剂并基本上不含磷酸酯增塑剂的拉伸纤维素酯膜(a),其中(ii)透明载体B是拉伸的纤维素 具有0nm至10nm的延迟值R0和-30nm至20nm的延迟值Rt的酯膜(b),延迟值R0和延迟值Rt由下式(I )和(II):Ro =(nx-ny)×d式(I):Rt = {(nx + ny)/ 2-nz}×d。 式(II):

    Polarizing plate protective film, polarizing plate, and liquid crystal display
    10.
    发明授权
    Polarizing plate protective film, polarizing plate, and liquid crystal display 有权
    偏光板保护膜,偏光板和液晶显示屏

    公开(公告)号:US07973883B2

    公开(公告)日:2011-07-05

    申请号:US12296297

    申请日:2007-04-02

    IPC分类号: G02F1/1335 C09K19/00

    摘要: Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000.

    摘要翻译: 公开了一种对水分具有高尺寸稳定性的偏振片保护膜。 还公开了使用这种偏振片保护膜的偏振片和液晶显示器。 具体公开了一种偏振片保护膜,其特征在于含有纤维素酯和通过使至少不具有羟基的苯乙烯衍生物单体Xa与具有羟基或羧基的烯键式不饱和单体Xb共聚而获得的聚合物X ,重均分子量为500〜10000。