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:
Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm≦Re(550)≦80 nm, 70 nm≦Rth(550)≦140 nm, Re(450)/Re(550) 1.
摘要:
A liquid-crystal display device comprising a liquid-crystal cell having 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 in a manner that their absorption axes are perpendicular to each other, an optically-biaxial retardation film A disposed between the first polarizing element and the liquid-crystal cell, and an optically-biaxial retardation film B disposed between the second polarizing element and the liquid-crystal cell, wherein the retardation films A and B differ from each other in the optical anisotropy, is disclosed.
摘要:
A liquid-crystal display device comprising a liquid-crystal cell having 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 in a manner that their absorption axes are perpendicular to each other, an optically-biaxial retardation film A disposed between the first polarizing element and the liquid-crystal cell, and an optically-biaxial retardation film B disposed between the second polarizing element and the liquid-crystal cell, wherein the retardation films A and B differ from each other in the optical anisotropy, is disclosed.
摘要:
Disclosed is a liquid-crystal display device comprising a liquid-crystal cell comprising a liquid-crystal layer that aligns vertically to the substrate thereof in a black state, two polarizing elements that are disposed to sandwich the liquid-crystal cell therebetween in a manner that their absorption axes are perpendicular to each other, and retardation films having equivalent optical anisotropy that are disposed between each of the two polarizing elements and the liquid-crystal cell, wherein the retardation films comprise a cellulose acylate and a liquid-crystal compound, and satisfy 30 nm≦Re(550)≦80 nm, 70 nm≦Rth(550)≦140 nm, Re(450)/Re(550) 1.
摘要:
A polymer film stretched after formed by solution casting, of which the wavelength dispersion of the refractivity anisotropy and/or the refractivity anisotropy differ between two surfaces of the film is disclosed.
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:
There is provided an optical film having a small size change with a temperature change of a support of a pattern retardation film.An optical film includes: a support comprising a polymer having a moisture permeability of 0.5% or more; a first retardation region and a second retardation region, in which birefringence thereof is mutually different; and an optically anisotropic layer in which the first retardation region and the second retardation region are alternately patterned for every one line.
摘要:
There is provided an optical film having a small size change with a temperature change of a support of a pattern retardation film. An optical film includes: a support comprising a polymer having a moisture absorptivity of 0.5% or more; a first retardation region and a second retardation region, in which birefringence thereof is mutually different; and an optically anisotropic layer in which the first retardation region and the second retardation region are alternately patterned for every one line.
摘要:
There is provided a liquid crystal display device that diminishes flickers caused by crosstalk of a three-dimensional image (an overlap of images) or reflection of external light. A liquid crystal display device includes a pair of substrates, at least one of the pair of substrates having an electrode and the pair of substrates being placed opposite each other, and a first polarizing plate placed on a light source side and a second polarizing plate placed on a view side with the liquid crystal layer sandwiched therebetween, in which a protective film on the view side of the second polarizing plate includes a transparent support satisfying 0≦|Re(550)|≦10 and an optically anisotropic layer having a λ/4 function, and Rth of the protective film on the view side of the second polarizing plate is |Rth|≦20.