摘要:
A liquid crystal display device comprising a first polarizer, a first retardation film satisfying (1) to (6) below, a liquid crystal cell, a second retardation film satisfying (7) to (12) below, a second polarizer in this order wherein the absorption axis of the first and second polarizer and the slow axis of the first and second retardation film are substantially in parallel, respectively: 10 nm
摘要:
A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy Δα (=αx−(αy+αz)/2) of which is 2.5×10−24 cm3 or more, and the film has an in-plane retardation Re and a thickness direction retardation Rth satisfying the respective inequalities: |Rth(589)|≦25 nm and |Re(589)|≦10 nm. Also provided are an optical compensation film, a polarizing plate, and a liquid crystal device that use the cellulose derivative film and exhibit excellent viewing angle characteristics and durability.
摘要:
An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence.
摘要:
A cellulose acylate film, containing an acyl-modified compound of a reduction product of a ketone compound-formaldehyde polymer, a polarizing plate containing the film as transparent protective film, and a liquid crystal display device having the polarizing plate.
摘要:
A cellulose acylate film that has a crystallization index expressed by expression (A) as defined in the specification of from 0.70 to 1.02 and a modulus of elasticity in every arbitrary direction of an in-plane of the cellulose acylate film of from 3,800 MPa to 6,000 MPa; a manufacturing method of a cellulose acylate film comprising: casting a dope on a support; drying the dope on the support, so as to form a film; peeling the film from the support; and subjecting the film to a stretching treatment, wherein a crystallization index expressed by expression (A) of the film after peeling and before stretching is from 0.70 to 1.00; an optically compensatory sheet comprising the cellulose acylate film; and a polarizing plate and a liquid crystal display device using the optically compensatory sheet.
摘要:
A liquid crystal display device comprising a liquid crystal cell, two polarizing plates having a polarizer and a protective film satisfying (1) and (2) below, and an optical compensatory film satisfying (3)-(8) below and disposed between the liquid crystal cell and the polarizer: 0 nm≦Re(λ)≦5 nm (1) −20 nm≦Rth(λ)≦20 nm (2) 20 nm
摘要:
The present invention provides a method for producing an optical compensating sheet, comprising a step of simultaneously coating at least two coating solutions on a transparent support, wherein at least one of the coating solutions simultaneously coated in that step contains a liquid crystalline compound and another coating solution contains a surface active agent; an optical compensating sheet obtained by this method; an optical film comprising a support having thereon an optically anisotropic layer formed containing a liquid crystalline compound and a fluoroaliphatic group-containing copolymer containing a repeating unit derived from a fluoroaliphatic group-containing (meth)acrylate monomer and a repeating unit derived from a polyoxyalkylene (meth)acrylate monomer; and a polarizing plate and a liquid crystal display device each using the optical compensating sheet or optical film.
摘要:
The present invention provides a method for producing an optical compensating sheet, comprising a step of simultaneously coating at least two coating solutions on a transparent support, wherein at least one of the coating solutions simultaneously coated in that step contains a liquid crystalline compound and another coating solution contains a surface active agent; an optical compensating sheet obtained by this method; an optical film comprising a support having thereon an optically anisotropic layer formed containing a liquid crystalline compound and a fluoroaliphatic group-containing copolymer containing a repeating unit derived from a fluoroaliphatic group-containing (meth)acrylate monomer and a repeating unit derived from a polyoxyalkylene (meth)acrylate monomer; and a polarizing plate and a liquid crystal display device each using the optical compensating sheet or optical film.
摘要:
A polarizer protective film having a cellulose acylate film containing a cellulose acylate and a hindered amine compound in an amount of at least 0.01% by mass relative to the cellulose acylate, and, as laminated on the cellulose acylate film, an active energy ray-curable layer, wherein the hindered amine compound has a piperidine skeleton represented by the following formula (1): wherein X represents an alkyl or aryl group; Y represents a hydrogen atom or a substituent; R1 to R4 represent an alkyl group.
摘要翻译:一种偏光片保护膜,其具有相对于纤维素酰化物为至少0.01质量%的含有纤维素酰化物和受阻胺化合物的纤维素酰化物膜,并且在层叠在纤维素酰化物膜上的活性能量射线固化型 层,其中所述受阻胺化合物具有由下式(1)表示的哌啶骨架:其中X表示烷基或芳基; Y表示氢原子或取代基; R 1〜R 4表示烷基。
摘要:
A resin film including a resin and an organic acid represented by the following formula (1), wherein the ratio of the organic acid to the resin is from 0.1 to 20% by mass: X-L-(R1)n Formula (1).