Abstract:
There is provided a polarizing plate including a polarizer and a protective layer formed on at least one surface of the polarizer. The protective layer is formed of a cured product of a radically curable composition including: a first compound represented by Formula 1; a second compound including at least one carboxy group; and a radical initiator.
Abstract:
The present invention relates to a pressure-sensitive adhesive composition including interpenetrating polymer networks in a cured state, wherein the composition comprise a multi-functional acrylate and a thermal initiator; a polarizer; and a liquid crystal display comprising the same. In the present invention, the pressure-sensitive adhesive composition may be provided, which can outstandingly prevent light leakage phenomenon, with having excellent physical properties such as endurance reliability under high temperature and/or high humidity conditions and workability. Especially, according to the present invention, the pressure-sensitive adhesive composition, polarizer and liquid crystal display are provided, which can outstandingly prevent light leakage phenomenon even in large-sized display devices.
Abstract:
An optical film including at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
Abstract:
The present invention relates to an acrylic pressure-sensitive adhesive composition, a polarizing plate and a liquid crystal display device, using the same. More specifically, the present invention relates to an acrylic pressure-sensitive adhesive composition having optimal stress releasing property which comprises an optically compensated acrylic copolymer (A) containing a cross-linkable functional group, an optically compensated acrylic copolymer (B) containing no cross-linkable functional group, and a multi-functional cross-linking agent (C). A polarizing plate and a liquid crystal display device comprising the pressure-sensitive adhesive composition meets with major properties such as adhesion endurance reliability, with effectively providing optical compensation effect and stress release effect, and has an effect of improving a light leakage phenomenon.
Abstract:
A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. The liquid crystal display has a liquid crystal layer disposed between a pair of substrates, at least one of the substrates being transparent, and an alignment control film formed between the liquid crystal layer and the substrate. At least one of the alignment control films 109 comprises photoreactive polyimide and/or polyamic acid provided with an alignment control ability by irradiation of substantially linearly polarized light.
Abstract:
A retardation film includes a first optically anisotropic layer having liquid crystal compounds fixed in a homogeneously aligned state and a leveling agent, and having an order parameter of 0.75 to 0.95 and a thickness of 0.3 to 3.0 μm; an intermediate layer including a resin having a solubility parameter SP value of 21.5 to 24.7, calculated by Hoy's method, the intermediate layer having a thickness of 3.0 μm or less; and a second optically anisotropic layer having liquid crystal compounds fixed in a homeotropically aligned state, and having an order parameter OP of 0.6 to 0.95 and a thickness of 0.3 to 3.0 μm, wherein OP is represented by the following equation; OP=(A∥−A⊥)/(2A⊥+A∥) where A∥ is absorbance of the liquid crystal compounds for light polarized parallel to an alignment direction, and A⊥ is absorbance of the liquid crystal compounds for light polarized perpendicular to the alignment direction.
Abstract translation:延迟膜包括具有均匀取向状态的液晶化合物的第一光学各向异性层和流平剂,并且具有0.75至0.95的顺序参数和0.3至3.0μm的厚度; 中间层,其具有通过Hoy's方法计算的溶度参数SP值为21.5〜24.7的树脂,中间层的厚度为3.0μm以下; 和具有固定在垂直取向状态的液晶化合物的第二光学各向异性层,并且具有0.6至0.95的阶数参数OP和0.3至3.0μm的厚度,其中OP由下式表示; OP =(A∥-A⊥)/(2A⊥+A‖)其中A∥是与取向方向平行偏光的液晶化合物的吸光度,A⊥是用于光偏振垂直的液晶化合物的吸光度 到排列方向。
Abstract:
The present invention pertains to an optical film for use as a quarter wave plate (QWP) having a normal wavelength dispersion curve. More specifically, this invention relates to a quarter wave plate based on cellulose ester polymer and fused ring additives.
Abstract:
A composition for a polarizing plate containing a polymer having a partial structure represented by the following ring structure α or β in the molecule, a polarizing plate protective film, a cellulose acylate film, a polarizer, a polarizing plate, and a display; wherein L1 represents a single bond, —C(═O)—, —C(═S)—, an alkylene group, or an arylene group; and the symbol * designates a boning hand, or a site to which a hydrogen atom, a substituent, or a linking group binds.
Abstract:
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.
Abstract translation: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。
Abstract:
Optical films are described having a polymerized microstructured surface that comprises the reaction product of a polymerizable resin composition comprising at least one polymerizable ethylenically unsaturated triphenyl monomer. Also described are certain triphenyl (meth)acrylate monomers and polymerizable resin compositions.