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    • 1. 发明申请
    • Optical film, production method of optical film, polarizing plate and liquid crystal display device
    • 光学膜,光学膜的制造方法,偏光板和液晶显示装置
    • US20080049323A1
    • 2008-02-28
    • US11878766
    • 2007-07-26
    • Susumu SugiyamaKunihiro AtsumiHajime Nakayama
    • Susumu SugiyamaKunihiro AtsumiHajime Nakayama
    • G02B5/30B29D11/00G02F1/1335
    • G02B5/3083B29D11/0074G02F1/13363Y10T428/1041
    • An optical film includes at least one kind of humidity dependency improver that improves ΔRe, wherein the optical film has a ratio of Re/Rth which is larger as a wavelength is longer in the visible wavelength region; and Re which is larger as a wavelength is longer in the visible wavelength region, wherein Re represents an in-plane retardation (unit: nm) of the optical film; Rth represents a retardation (unit: nm) in a thickness direction of the optical film; and ΔRe represents a humidity dependency of Re defined by the following formula (1): ΔRe=|Re(550)10%RH−Re(550)80%RH|,:   Formula (1) wherein Re(550)10%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 10%; and Re(550)80%RH represents Re at a wavelength of 550 nm, at a temperature of 25° C. and at a relative humidity of 80%.
    • 一种光学膜包括至少一种改善DeltaRe的湿度依赖性改进剂,其中该光学膜具有在可见波长区域中波长较长的Re / Rth比; 并且在可见光波长区域中作为波长较大的Re较大,其中Re表示光学膜的面内延迟(单位:nm); Rth表示光学膜的厚度方向的延迟(单位:nm) DeltaRe表示由以下公式(1)定义的Re的湿度依赖性:<?in-line-formula description =“In-line Formulas”end =“lead”?> DeltaRe = | Re(550)10% Re(550)80%RH |,:式(1)<?in-line-formula description =“In-line formula”end =“tail”?>其中Re(550)10%RH表示波长为 550nm,温度25℃,相对湿度10%; Re(550)80%RH表示在波长550nm,温度25℃,相对湿度80%的Re。
    • 4. 发明授权
    • Liquid crystal display device, optical compensatory sheet, and polarizer and liquid crystal display device employing the same
    • 液晶显示装置,光学补偿片,偏振片及使用其的液晶显示装置
    • US08049850B2
    • 2011-11-01
    • US11794355
    • 2005-12-28
    • Susumu SugiyamaEiichiro AminakaHajime NakayamaYukito Saitoh
    • Susumu SugiyamaEiichiro AminakaHajime NakayamaYukito Saitoh
    • G02F1/1335
    • G02F1/13363G02B5/3033G02B5/3083G02F1/133528G02F1/1393G02F2201/50G02F2202/28G02F2203/05G02F2413/02
    • A liquid crystal display device comprising a liquid crystal panel in which liquid crystals having negative dielectric anisotropy are interposed between upper substrate and lower substrate that have been vertically oriented on the surface, the orientation of the liquid crystals being almost vertical with no applied voltage, almost horizontal when a predetermined voltage is applied, and tilted when a smaller voltage than the predetermined voltage is applied; a first polarizer and a second polarizer disposed on both sides of the liquid crystal panel such that the absorption axes of the polarizers are perpendicular to each other; a first retardation film disposed between the liquid crystal panel and the first polarizer; and a second retardation film disposed between the liquid crystal panel and the second polarizer, wherein the polarizer comprises a polarizing film and a pair of protective films having the polarizing film in between, and wherein at least one of the protective films is a cellulose acylate film satisfying: 0≦Re(630)≦10 and |Rth(630)|≦25.
    • 一种液晶显示装置,包括液晶面板,其中具有负介电各向异性的液晶插入在已经在表面上垂直取向的上基板和下基板之间,液晶的取向几乎是垂直的,没有施加电压,几乎 当施加预定电压时水平,并且当施加比预定电压更小的电压时倾斜; 设置在液晶面板的两侧的第一偏振器和第二偏振器,使得偏振器的吸收轴彼此垂直; 布置在液晶面板和第一偏振器之间的第一延迟膜; 以及设置在所述液晶面板和所述第二偏振片之间的第二延迟膜,其中所述偏振片包括偏光膜和一对其间具有偏振膜的保护膜,并且其中所述保护膜中的至少一个是纤维素酰化物膜 满足:0&nlE; Re(630)&nlE; 10和| Rth(630)|&nlE; 25。
    • 7. 发明申请
    • Liquid Crystal Display Device, Optical Compensatory Sheet, and Polarizer and Liquid Crystal Display Device Employing the Same
    • 液晶显示装置,光学补偿片,使用该液晶显示装置的偏振片和液晶显示装置
    • US20090122243A1
    • 2009-05-14
    • US11794355
    • 2005-12-28
    • Susumu SugiyamaEiichiro AminakaHajime NakayamaYukito Saitoh
    • Susumu SugiyamaEiichiro AminakaHajime NakayamaYukito Saitoh
    • G02F1/1335G02F1/1337G02F1/1343
    • G02F1/13363G02B5/3033G02B5/3083G02F1/133528G02F1/1393G02F2201/50G02F2202/28G02F2203/05G02F2413/02
    • A liquid crystal display device comprising a liquid crystal panel in which liquid crystals having negative dielectric anisotropy are interposed between upper substrate and lower substrate that have been vertically oriented on the surface, the orientation of the liquid crystals being almost vertical with no applied voltage, almost horizontal when a predetermined voltage is applied, and tilted when a smaller voltage than the predetermined voltage is applied; a first polarizer and a second polarizer disposed on both sides of the liquid crystal panel such that the absorption axes of the polarizers are perpendicular to each other; a first retardation film disposed between the liquid crystal panel and the first polarizer; and a second retardation film disposed between the liquid crystal panel and the second polarizer, wherein the polarizer comprises a polarizing film and a pair of protective films having the polarizing film in between, and wherein at least one of the protective films is a cellulose acylate film satisfying: 0≦Re(630)≦10 and |Rth(630)|≦25
    • 一种液晶显示装置,包括液晶面板,其中具有负介电各向异性的液晶插入在已经在表面上垂直取向的上基板和下基板之间,液晶的取向几乎是垂直的,没有施加电压,几乎 当施加预定电压时水平,并且当施加比预定电压更小的电压时倾斜; 设置在液晶面板的两侧的第一偏振器和第二偏振器,使得偏振器的吸收轴彼此垂直; 布置在液晶面板和第一偏振器之间的第一延迟膜; 以及设置在所述液晶面板和所述第二偏振片之间的第二延迟膜,其中所述偏振片包括偏光膜和一对其间具有偏振膜的保护膜,并且其中所述保护膜中的至少一个是纤维素酰化物膜 满足:<?in-line-formula description =“In-line Formulas”end =“lead”?> 0 <= Re(630)<= 10和| Rth(630)| <= 25 < 公式描述=“内联公式”end =“tail”?>