摘要:
A method for producing a cellulose acylate film is provided and includes the steps of: a stretching step of stretching a film; and a shrinking step of shrinking the film
摘要:
An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10; (1) −25≦Rth(550)≦25; and (2) |I|+|II|+|III|+|IV|>0.5 (nm), (3) with definitions: I=Re(450)−Re(550); II=Re(650)−Re(550); III=Rth(450)−Rth(550); and IV=Rth(650)−Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.
摘要:
Disclosed is a liquid crystal display device, wherein u′on axis and v′on axis, u′max and v′max, and u′min and v′min satisfy following expressions (1), (2) and (3): u ave ′ = ( u max ′ - u min ′ 2 ) , v ave ′ = ( v max ′ - v min ′ 2 ) ( 1 ) Δ u ′ v ave - on axis ′ = ( u ave ′ - u on axis ′ ) 2 + ( v ave ′ - v on axis ′ ) 2 ≦ 0.04 ( 2 ) 0.35 ≦ v on axis ′ ≦ 0.55 ( 3 ) wherein u′on axis and v′on axis are hues in a black state observed in a front direction; u′max and v′max are maximum values of u′ and v′ in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°; and u′min and v′min are minimum values of u′ and v′ in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°.
摘要翻译:公开了一种液晶显示装置,其中u'轴和v'on轴,u'max和v'max,u'min和v'min满足以下表达式(1),(2)和(3): u ave'=(u max' - u min'2),v ave'=(v max' - v min'2)(1)Delta?u uv vveve on on轴'=(u ave ' - u on·轴轴')2 +(v ave' - v on uk轴')2 @ 0.04(2)0.35 @ v on轴轴'@ 0.55(3)其中u'轴和v' 轴上是在前方观察到的黑色状态的色调; u'max和v'max是在0°至360°的方位角和60°的极角的方向上观察到的值之间的黑色状态下的u'和v'的最大值; 并且u'min和v'min是在0°至360°的方位角和60°的极角的方向上观察到的值之间的黑色状态下的u'和v'的最小值。
摘要:
An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10; (1) −25≦Rth(550)≦25; and (2) |I|+|II|+|III|+|IV|>0.5 (nm), (3) with definitions:I=Re(450)-Re(550);II=Re(650)-Re(550);III=Rth(450)-Rth(550); andIV=Rth(650)-Rth(550),wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.
摘要翻译:提供了一种光学膜,并具有满足关系式(1)至(3)的延迟:0≦̸ Re(550)≦̸ 10; (1)-25≦̸ Rth(550)≦̸ 25; 和(2)| I | + | II | + | III | + | IV |> 0.5(nm),(3)具有定义:I = Re(450)-Re(550) II = Re(650)-Re(550); III = Rth(450)-Rth(550); 并且IV = Rth(650)-Rth(550),其中Re(450),Re(550)和Re(650)分别是用波长为450,550和650nm的光测量的面内延迟; 和Rth(450),Rth(550)和Rth(650)分别是在450,550和650nm的波长的光下测量的光学膜的厚度方向的延迟。
摘要:
A liquid crystal display device comprising a liquid crystal cell and a polarizer arranged on at least one outer side of the liquid crystal cell, wherein the liquid crystal cell includes a pair of substrates at least one of which has an electrode and which are arranged oppositely to each other, and a liquid crystal layer sandwiched between the substrates, and at least one substrate includes at least three color pixels of B, G and R satisfying the following formula (1-1), and the polarizer includes a polarizing element and a film satisfying the following formula (1-2) and containing an optically-anisotropic layer: −20 nm≦{Rth[cell](630)−Rth[cell](440)}≦28 nm, (1-1) 1 nm
摘要:
A cellulose acylate film containing a cellulose acylate having a total degree of substitution of from 1.5 to 2.6 and a polycondensate ester, satisfying 3.4≦Rth(550)/d, 40 nm≦Re(550)≦60 nm and 100 nm≦Rth(550)≦300 nm, having a film thickness of from 20 to 45 μm and having an internal haze of from 0.005 to 0.07% (d means the film thickness (μm)).
摘要:
An optical film contains a cellulose acylate film, and at least two layers of an optically anisotropic layer A and an optically anisotropic layer B, wherein the cellulose acylate film satisfies the specific formulae, Re(548) of the optically anisotropic layer A is from 80 to 190 nm and the slow axis of the optically anisotropic layer A is at 45°±10° with respect to the film conveying direction, and the optically anisotropic layer B satisfies the specific formulae.
摘要:
A liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in the black state, first and second polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween so that their absorption axes are orthogonal to each other, a retardation film A and a retardation film B, wherein the retardation films A and B are equivalent to each other in terms of retardation in plane at a wavelength of 548 nm, Re(548), and retardation along thickness direction at a wavelength of 548 nm, Rth(548) thereof, but differ from each other in terms of the wavelength dispersion characteristics of retardation in plane Re and/or retardation along thickness direction Rth thereof in a visible light region, is disclosed.
摘要:
An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10; (1) −25≦Rth(550)≦25; and (2) |I|+|II|+|III|+|IV|>0.5 (nm), (3) with definitions: I=Re(450)−Re(550); II=Re(650)−Re(550); III=Rth(450)−Rth(550); and IV=Rth(650)−Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.
摘要翻译:提供了一种光学膜,并具有满足关系式(1)至(3)的延迟:0≦̸ Re(550)≦̸ 10; (1)-25≦̸ Rth(550)≦̸ 25; 和(2)| I | + | II | + | III | + | IV |> 0.5(nm),(3)具有定义:I = Re(450)-Re(550) II = Re(650)-Re(550); III = Rth(450)-Rth(550); 并且IV = Rth(650)-Rth(550),其中Re(450),Re(550)和Re(650)分别是用波长为450,550和650nm的光测量的面内延迟; 和Rth(450),Rth(550)和Rth(650)分别是在450,550和650nm的波长的光下测量的光学膜的厚度方向的延迟。
摘要:
An optical film is provided and has retardations satisfying relations (1) to (3): 0≦Re(550)≦10; (1) −25 ≦Rth(550)≦25; and (2) |I|+|II|+|III|+|IV|>0.5 (nm), (3) with definitions: I=Re(450)−Re(550); II=Re(650)−Re(550); III=Rth(450)−Rth(550); and IV=Rth(650)−Rth(550), wherein Re(450), Re(550) and Re(650) are in-plane retardations measured with lights of wavelength of 450, 550 and 650 nm, respectively; and Rth(450), Rth(550) and Rth(650) are retardations in a thickness direction of the optical film, which are measured with lights of wavelength of 450, 550 and 650 nm, respectively.
摘要翻译:提供了一种光学膜,并具有满足关系式(1)至(3)的延迟:0≦̸ Re(550)≦̸ 10; (1)-25≦̸ Rth(550)≦̸ 25; 和(2)| I | + | II | + | III | + | IV |> 0.5(nm),(3)具有定义:I = Re(450)-Re(550) II = Re(650)-Re(550); III = Rth(450)-Rth(550); 并且IV = Rth(650)-Rth(550),其中Re(450),Re(550)和Re(650)分别是用波长为450,550和650nm的光测量的面内延迟; 和Rth(450),Rth(550)和Rth(650)分别是在450,550和650nm的波长的光下测量的光学膜的厚度方向的延迟。