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    • 6. 发明申请
    • Liquid Crystal Display
    • 液晶显示器
    • US20080198316A1
    • 2008-08-21
    • US11793056
    • 2005-12-22
    • Mitsuyoshi IchihashiHajime Nakayama
    • Mitsuyoshi IchihashiHajime Nakayama
    • G02F1/13363
    • G02F1/133634G02B27/286
    • A liquid crystal display comprising a first polarization film, a first retardation region, a second retardation region, a liquid crystal layer, a liquid crystal cell, and a second polarization film disposed in this order, liquid crystal molecules of the liquid crystal layer being aligned in parallel with surfaces of the substrates at the time of dark state, wherein Re of the first retardation region is 70 nm to 330 nm, Nz value of the first retardation region is greater than 0 and less than 0.4, Re of the second retardation region is equal to 50 nm or less and an optical axis is simultaneously not included in the in-plane of the second retardation region, Rth of the second retardation region is 10 nm to 140 nm, a slow axis of the first retardation region is orthogonal to a transmissive axis of the first polarization film that is simultaneously in parallel with a slow axis direction of the liquid crystal molecules at the time of dark state, each of the first and second polarization films has at least a protective film on a plane close to the liquid crystal layer, and the corresponding protective film is a cellulose acylate film which meets the formulae (I) and (II) below. 0≦Re(630)≦10, and, |Rth(630)|≦25 |Re(400)−Re(700)|≦10, and, |Rth(400)−Rth(700)|≦35
    • 一种液晶显示器,包括依次配置的第一偏振膜,第一延迟区域,第二延迟区域,液晶层,液晶单元和第二偏振膜,液晶层的液晶分子对准 在暗状态下与基板的表面平行,其中第一延迟区域的Re为70nm〜330nm,第一延迟区域的Nz值大于0且小于0.4,第二延迟区域的Re 等于或小于50nm,并且光轴同时不包括在第二延迟区域的平面内,第二延迟区域的Rth为10nm至140nm,第一延迟区域的慢轴正交于 所述第一偏振膜的透射轴在暗态时与所述液晶分子的慢轴方向同时平行,所述第一和第二偏振膜 s在靠近液晶层的平面上至少具有保护膜,相应的保护膜是符合下述式(I)和(II)的纤维素酰化物膜。 <?in-line-formula description =“In-line Formulas”end =“lead”?> 0 <= Re(630)<= 10,AND,| Rth(630) <= 25 <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” (400)(700) <= 10,AND,| Rth(400) (700) <= 35 <?in-line-formula description =“In-line Formulas”end =“tail”?>
    • 7. 发明申请
    • Optical Compensation Polarizing Plate, Image Display Unit and Liquid Crystal Display Unit
    • 光学补偿偏光板,图像显示单元和液晶显示单元
    • US20070292635A1
    • 2007-12-20
    • US11596876
    • 2005-05-17
    • Yousuke NishiuraTakako NishiuraHajime NakayamaTadashi Ito
    • Yousuke NishiuraTakako NishiuraHajime NakayamaTadashi Ito
    • G02B5/30
    • G02B5/3083G02F1/13363G02F1/134363Y10T428/1036Y10T428/1041Y10T428/105
    • All optical compensation polarizing plate comprising: a first transparent protective film; a polarizer; a second transparent protective film; and an optical compensation layer in this order, wherein at least one of the first and second transparent protective films is a cellulose acylate film having a retardation value in plane Re (nm) and a retardation value in film thickness direction Rth (nm) which fulfill the following formulae (I) and (II), and Nz and Re1 defined by the following formulae (III) and (IV), of the optical compensation layer fulfill the following formulae (V) and (VI): (I) |Re|≦10, (II) |Rth|≦25, (III) Nz=(nx1−nz1)/(nx1−ny1), (IV) Re1=(nx1−ny1)×d1, (V) 0.4≦Nz≦0.6 (VI) 100≦Re1≦350, wherein Re1 is a retardation value in plane (nm) at a wavelength of 590 nm; Nz is an Nz factor at a wavelength of 590 nm; nx1 is a refractive index along a slow axis in a film plane; ny1 is a refractive index along a direction perpendicular to the slow axis in a film plane; nz1 is a refractive index along a thickness direction of the film; and d1 is a thickness of the film (nm).
    • 所有光学补偿偏振片包括:第一透明保护膜; 偏振片 第二透明保护膜; 和光学补偿层,其中,第一透明保护膜和第二透明保护膜中的至少一个是纤维素酰化物膜,其具有平面Re(nm)的延迟值和满足下述条件的膜厚度方向Rth(nm)的延迟值 光学补偿层的下述式(I)和(II)以及下述通式(III)和(IV)所定义的Nz和Re 1(1)满足下式(V)和( (I)| Re | <= 10,(II)| Rth | <= 25,(III)NZ =(NX 1-N z 1) (Ⅳ)Re>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> (V)0.4 <= Nz <= 0.6(VI)100 <= RE 1 <= 350,其中RE 1 <λ>是波长590nm处的平面(nm)的延迟值; Nz是波长为590nm的Nz因子; nx <1>是沿着薄膜平面中的慢轴的折射率; 在薄膜平面中,沿着垂直于慢轴的方向是折射率; nz 1是沿着膜的厚度方向的折射率; 且d 1 <1>是膜的厚度(nm)。