Abstract: A polymer film satisfies the following formulae (1) and (2): 0.025?Pt?0.100 ??Formula (1) 0.90?Po/Pt?0.99 ??Formula (2) wherein Po represents an in-plane orientation degree of polymer molecular chain in the film surface, and Pt represents an average in-plane orientation degree of polymer molecular chain in the entire film thickness.

Abstract: A polarizing plate of the present invention comprising a polarizer and a protective film provided on at least one surface thereof with an adhesive layer, wherein the protective film comprises (A) a thermoplastic resin having a substituted and/or non-substituted imide group in a side chain and (B) a thermoplastic resin having a substituted and/or non-substituted phenyl group, and nitrile group in a side chain, and the adhesive layer comprises a polyurethane adhesive containing a urethane polyol and an isocyanate crosslinking agent. The polarizing plate exhibits good resistance moisture.

Abstract: The present invention relates to a polarization film using carbon nano tube and a method of manufacturing the same. The polarization film comprises a base film; and a polarizing layer including carbon nano tube and disposed on the base film.

Abstract: A method of making an optical film includes calendering at least one polymeric material and stretching the at least one polymeric material along a downweb (MD) direction, thereby creating birefringence in the polymeric material. A roll of optical film includes an oriented optical film characterized by an effective orientation axis, the oriented optical film including a birefringent polymeric material, the optical film having a width of greater than 0.3 m, a thickness of at least 200 microns and a length a length of at least 10 m, wherein the effective orientation axis is aligned along the length of the optical film.

Abstract: A method of forming a polarized optical lens including an optical lens of certain curvature and a polarized piece, wherein the polarized piece is made up of cellulose protective film, adhesive and polarized thin film, and is pressed to matched curvature as injected and plasticized optical lens. The cellulose protective film of the polarized piece is then peeled off, and through the use of injection and plasticization principle, polarized thin film is combined and pasted to the inner surface or outer surface of the optical lens. This synthesized lens is then placed in the ring of an optical mold. Light adjustment and color change liquid colophony is then injected through a through-hole in the ring, and through the clamping of synthesized lens and light adjustment and color change liquid colophony, the whole set then solidifies and forms a shape.

Abstract: A manufacturing method of a cellulose ester film satisfying the relationships, Nx>Ny>Nz, and 0.8?Rt/R0?3.5, the method comprising casting a cellulose ester dope containing a solvent of a good solvent and a poor solvent on a support to form a web; peeling the web from the support; transporting the peeled web (step D0); holding the edges in the transverse direction of the web (step A); stretching the resulting web in the transverse direction while applying a tension; reducing the tension in the transverse direction of the web; and drying the stretched web, wherein the residual solvent content of the web is 5 to 90% by weight at the beginning in the step A, and the residual poor solvent content in the residual solvent content of the web is from 15 to 95% by weight at the terminal point in the Step D0.

Abstract: A wound laminate obtained by laminating a plastic film composed of an aromatic polycarbonate comprising bisphenol A as an aromatic dihydroxy component, and a protective film composed of an aromatic polyester, using an intervening adhesive having a weak adhesive strength of 3-50 gf (0.0294-0.49 N), and winding the laminate. The wound laminate is used as a transparent protective layer (protective film) for an optical disk to fabricate a film surface side-incident optical disk.

Abstract: This invention relates to a method for forming a nano-imprinted photonic crystal waveguide, comprising the steps of: preparing an optical film on a substrate; preparing a template having a plurality of protrusions of less than 500 nm in length such that the protrusions are spaced a predetermined distance from each other; heating the film; causing the template to press against the heated film such that a portion of the film is deformed by the protrusions; separating the template from the film; and etching the film to remove a residual layer of the film to form a nano-imprinted photonic crystal waveguide.

Abstract: A light guide plate mold core (1) includes a main body (13) having a molding surface (12) and a plurality of concavities (13a) formed at the molding surface. The main body is made of a material whose thermal conductivity is limited in the range from 0.002 cal/cm.s.K. (calories/centimeter.second.Kelvin) to 0.009 cal/cm.s.K. The thermal conductivity of the material for the light guide plate mold core is less than that of stainless steel. Therefore the rate of spreading of heat in the light guide plate mold core is lower than that of a conventional light guide plate mold core, so that stresses within a formed light guide plate can be released more. Thus by using the light guide plate mold core, a light guide plate having a highly even bottom surface can be manufactured. A method for manufacturing the light guide plate mold core is also provided.

Abstract: Anti-glare film including anti-glare layer. The anti-glare film is obtained by coating or casting a liquid compositions containing a polymer, a curable resin precursor, and a solvent on a transparent plastic film, evaporating the solvent, forming a phase separation structure by spinodal decomposition, and curing the curable resin precursor by irradiation with light. The disclosed anti-glare film prevents reflection of surrounding scenery and dazzle in a display surface.

Abstract: Provided is a method of producing a multilayer optical recording medium, which is capable of producing the recording medium with high accuracy of distances between layers without necessity of disposing stampers, and which includes the steps of (a) forming a resin layer with respect to a support substrate; (b) disposing a stamper on the resin layer and irradiating a light beam thereto through the support substrate or the stamper to transfer an unevenness pattern of the stamper to the resin layer; (c) forming a recording layer on the resin layer; (d) repeating the steps (a) to (c) n times to stack n layers of resin layer with recording layer on the support substrate; (e) bonding a base substrate to the n-th recording layer through an adhesive layer; and (f) peeling off the support substrate.

Abstract: A film for a liquid crystal display comprising a fatty acid cellulose ester film having an acetyl group and a propionyl group is disclosed. Sum of degree of acetyl substitution (DSac) and degree of propionyl substitution (DSpr) of the fatty acid cellulose ester film of the film is 2.8 or less, and a retardation value (Rt value) in the thickness direction define by Formula 1 is 60 to 300 nm.

Abstract: Retroreflective sheeting includes a body layer having a structured surface with recessed faces forming cube corner cavities. A reflective film is disposed at least on the recessed faces, and a fill material fills the cube corner cavities. The fill material comprises radiation-curable materials, adhesives, or both, and preferably transparent radiation-curable pressure-sensitive adhesives. The fill material preferably forms a continuous layer covering both the recessed faces and upper portions of the structured surface. A transparent cover layer preferably contacts the fill material layer.

Abstract: The invention relates to a method of manufacturing a replica, which method comprises the provision of a polymerizable resin composition between a front mold having a pre-shaped surface and a back mold having a pre-shaped surface, carrying out a curing treatment and removing the replica thus manufactured from the molds. The invention further relates to a replica obtained by carrying out a UV light-initiated cationic polymerization.

Abstract: To provide hard coat films having high hardness, and uniform durability against scratching and high flatness even with a small thickness and a large width, and to provide a method producing the same. The hard coat films are provided with an actinic ray curable resin on a cellulose ester film thereof, the cellulose ester film containing a UV absorber and 2 or more plasticizers. One of the plasticizers is a polyalcohol ester type and the other one is a non-phosphate ester type. The cellulose ester film is produced by biaxially stretching of a cellulose ester film with a total acyl substitution degree ranging from 2.6 to 2.9, a number average molecular weight ranging from 80,000 to 200,000, and a ratio of a weight-average molecular weight to a number average molecular weight ranging from 1.4 to 3.0.

Abstract: The present invention provides a polarizing film or a polarizer that has an elastic modulus of at most about 3500 N/mm2 and suppresses occurrence of warping, the polarizing film is obtained by adsorbing a dichroic material in a polyvinyl alcohol-based film 20 ?m in thickness and stretching the tilin. The polarizing film has a transmittance of at least 43% and a polarization degree of at least 98%. A transparent protective layer is laminated on at least one surface of the polarizing film to form a polarizing plate.

Abstract: Provided is a method for producing an optical compensating film, which comprises stretching a cellulose acetate film, the cellulose acetate film having a water content of 2.0 to 20.0% by weight, wherein the cellulose acetate for the film has an acetyl value of from 57.0% to 62.5%.

Abstract: A light polarizing film and method of making same includes a linear polarizer having a first surface and a second surface and having a polarization direction, an optical retarder comprising a simultaneously biaxially oriented polypropylene film disposed adjacent to the first surface of the linear polarizer and having an axis oriented at an angle with respect to the polarization direction, and an adhesive layer disposed between the first surface of the linear polarizer and the optical retarder and having a minimum adhesion strength of about 25 grams per inch.

Abstract: A film employed in a liquid crystal display member is disclosed. The film has film thickness of 20 to 60 ?m and variation in the film thickness within ±3.0 percent of the standard film thickness.

Abstract: In a polarizing filter, first and second protective films are adhered to a polarized film. The first protective film has rigidity at less than 320 kPa·m and degree of curl at more than 10 mm. The second protective film is not curled and has rigidity at more than 320 kPa·m. The protective films are produced in a solution casting method in which a solution is cast on a substrate continuously fed. The solution is dried to form the protective film. When a remaining solvent in the protective film is less than 60%, then the protective film is peeled from the substrate.

Abstract: A polarizer comprising polyvinyl alcohol based films stretched at high stretching ratios stably manufactured: a method for manufacturing including a stretching processing process, a dyeing treatment process, and a boron compounds treatment process to a polyvinyl alcohol film, wherein the stretching processing is performed at least twice so that a total stretching ratio may become 5.5 times or more, and in a second stretching processing or later, wet stretching processing having stretching ratios of 1.2 times or more is performed applying a peripheral velocity difference between a first pinch roll and a second pinch roll, and in the wet stretching processing, a film conveyed out from the first pinch roll is passed on a first guide roll so as to make a holding angle (A) of 120 through 175° on a first guide roll to which the film first contacts.

Abstract: A radiation curable composition comprises a heterocyclic acrylate or heterocyclic methacrylate. The composition is curable to make an optical management article such as an optical management coating on a substrate. A method of making an optical management article, comprises forming a radiation curable composition comprising the heterocyclic acrylate or heterocyclic methacrylate on a substrate and curing the composition to form the optical management article.

Abstract: A liquid crystal orientation film, which is formed of a liquid crystal polymer, having a satisfactory orientation property is obtained by a method for manufacturing a liquid crystal orientation film, comprising the steps; coating a polymerizable liquid crystal monomer on an orientation substrate; orienting said polymerizable liquid crystal monomer in a state of liquid crystal; polymerizing said polymerizable liquid crystal monomer to form a liquid crystal orientation layer (1); coating a liquid crystal polymer on said liquid crystal orientation layer (1); and orienting said liquid crystal polymer in a state of liquid crystal to form a liquid crystal orientation layer (2).

Abstract: An optical member comprising an at least one optical film, wherein an end face of the at least one optical film is covered with water-repellent materials, is useful to suppress occurrence of defects concerning the optical film, in particular, defects concerning polarizer, which are caused under an atmosphere with high temperature and high humidity.

Abstract: The present invention provides a solution to the needs described above through a method for forming multiply patterned optical articles. The method comprises providing a micromold having a pre-patterned surface structure, disposing a photorecording medium comprising a matrix precursor and a photoactive monomer on a holder surface, moving the micromold to the photorecording medium on the holder surface such that the pre-patterned surface structure contacts the photorecording medium, wherein the photorecording medium conforms to the pre-patterned surface structure of the micromold, at least partially curing the photorecording medium adherent while the micromold pre-patterned surface structure contacts the photorecording medium, and further patterning the photorecording medium by irradiating the photorecording medium with laser light to polymerize the photoactive monomer.

Abstract: A transparent heat-resistant resin optical materials having excellent heat resistance and dynamic characteristics, having negative birefringence and exhibiting a high refractive index and a high Abbe number, especially optical compensating members such as films, sheets and retardation films for LCD display element. The transparent heat-resistant resin optical material is made of a copolymer containing a specific olefin residue unit and a specific N-phenyl-substituted maleimide residue unit and having a weight average molecular weight, as reduced into standard polystyrene, of from 5×103 to 5×106, the transparent heat-resistant resin optical material exhibiting negative birefringence; and a retardation film having a relationship of three-dimensional refractive indexes of nz?ny>nx, nz>ny?nx, or nz>nx?ny.

Abstract: A polarizing plate which has a polarizing layer having a thickness of about 20 nm to about 1500 nm formed by rubbing at least one surface of a substrate, coating the rubbed surface of the substrate with an aqueous solution containing a dye having a tabular molecular shape, and drying the solution. This polarizing plate is a thinner polarizing plate with a high degree of polarization and suitably applicable to portable electronic equipment such as cellular phones, portable information terminals, smart cards and IC cards.

Abstract: A method of preparing a thermoplastic polycarbonate film having an optical retardation value of less than or equal to 20 nm, is described. The method includes: (a) forming a molten extrudate (20) of a thermoplastic polycarbonate polymer in an extruder (11) having a terminal die (17) through which the molten extrudate is passed, the molten extrudate having a temperature of 150° C. to 400° C. upon emerging from terminal die (17); and (b) passing molten extrudate (20), from die (17), between two counter-rotating rolls (23 and 26) each having an elastomeric polymer surface (35 and 38), the counter-rotating rolls having a roll speed ratio and a nip (41), the distance between the terminal die (17) and the nip (41) being a die-nip distance (47). The extrudate temperature, the roll speed ratio and the die-nip distance (47) are each selected such that a thermoplastic polycarbonate film (32) having an optical retardation value of less than or equal to 20 nm is formed.

Abstract: An anisotropic scattering film, wherein said film has a sea-island structure comprising a matrix phase consisting of at least one polymeric material, and a dispersed phase consisting of at least one polymeric material, wherein the dispersed phase is rod-like, the dispersed phase substantially orientates to one direction, the refractive index of the dispersed phase in the major axis direction differs from the refractive index of the matrix phase in the corresponding direction, the diameter of the dispersed phase is 200 nm or less, and the length of the dispersed phase is 800 nm or more.

Abstract: A method of aligning a liquid crystal compound comprising a stretching treatment or rubbing treatment which allows the liquid crystal compound to be aligned in a direction different from the stretching direction or the rubbing direction is provided. A method of aligning a liquid crystal compound characterized in that the method comprises subjecting a polymeric film having hydroxyl groups to a) a stretching treatment and an esterifying treatment, or b) an esterifying treatment followed by a rubbing treatment; and then forming a layer of the liquid crystal compound on the film, so that the liquid crystal compound is aligned in a direction different from the stretching direction in case of a), or the liquid crystal compound is aligned in a direction almost perpendicular to the surface of the rubbed film in case of b).

Abstract: A polarizing plate comprising a polarizer and a transparent protective film at least one surface of the polarizer via an adhesive layer, wherein an applied layer comprising a polymer having a hydroxyl group is formed on a surface of the transparent protective film that is adhered to the polarizer, and the adhesive layer is formed by an adhesive comprising an isocyanate adhesive, has no problem concerning saponification processing and has a good adhesive property between a polarizer and a transparent protective film.

Abstract: A data storage master disk and method of making a data storage master disk. The data storage disk master is for use in a data storage disk replication process. The data storage disk molding processes produces replica disks having a surface relief pattern with replica lands and replica grooves. The method includes providing a master substrate. The master substrate is at least partially covered with a layer of photosensitive material. A surface relief pattern having master lands and master grooves is recorded in the data storage disk master, including the steps of exposing and developing the photosensitive material. The exposing and developing of a specified thickness of photosensitive material is controlled to form master grooves extending down to a substrate interface between the master substrate and the layer of photosensitive material, such that the width of the master grooves at the substrate interface corresponds to a desired width of the replica lands.

Abstract: A method of producing an antireflection structure for use on a display or a window surface or both in an electronic device, such as a mobile phone. The display can be an LCD with a top polarizer and a bottom polarizer. The antireflection structure is imparted on the top polarizer by a roller embossing process. In particular, the embossing is carried out in the same manufacturing process when the polarizer is produced. The antireflection structure has a plurality of sub-wavelength periodic grooves. The antireflection structure on the window surface can be imparted using an embossing process or an injection molding process.

Abstract: A colorization pellet includes a pellet body formed of a material having a predetermined color and a plurality of fibers in the pellet body. A plurality of reflective devices are attached to the fibers whereby when the colorization pellet is combined with a plastic molding compound during an injection molding process to form a part, the formed part has a metallic appearance.

Abstract: An apparatus for manufacturing a lens sheet comprises an application device, a substrate supply device, a pressing device and an irradiation device. The application device applies ionizing radiation curing type resin in the form of liquid on the upper surface of a forming die for a lens sheet to form an uncured resin body on the upper surface of the forming die. The substrate supply device places a substrate on the uncured resin body. The pressing device presses the substrate against the uncured resin body to flatten the uncured resin body, so as to form a uncured resin layer, while spreading the uncured resin body to an outside periphery of the forming die. The irradiation device irradiates ionizing radiation on the uncured resin layer through the substrate to cure the uncured resin layer.

Abstract: A method of integrally forming light-guide board and polarizer. A polarizer and a mold with a first space and a second space are provided. The polarizer is fixed in the first space. A light-guide material is injected into the second space. By curing the light-guide material, a light-guide board is formed, and the polarizer and the light-guide are integrated together.

Abstract: An oriented film of polyvinyl alcohol derived film with reduced stretch irregularity and uniform orientation in a wide range of a stretching ratio is obtained by a manufacturing method for an oriented film, comprising the steps of: contacting a non-stretched film, comprising polyvinyl alcohols or derivatives thereof, with moisture percentage adjusted to no more than 10%, to at least one heating roll currently driven and heating the film at no less than 70° C.; subsequently giving a tension and stretching using a peripheral velocity difference between the heating roll concerned and a stretch roll in a position ahead of said heating roll in a running direction of the film.

Abstract: An article with a predetermined surface pattern that is coated with a film which makes possible the complete transfer of the pattern of a patterning die and thick-film patterning having a depth to the order of several tens of micrometers, prevents the occurrence of cracks, has high film hardness, and has a surface pattern which is the inverse of the surface pattern of the patterning die. This article is produced by joining a patterning die closely to a substrate with a sol-gel material containing the silane compound represented by the formula: R1SiX3 (wherein R1 is an alkyl group or hydrogen and X is an alkoxyl group or a halogen atom) and the silane compound represented by the formula: R2SiY3 (wherein R2 is an aryl group or a substituted aryl group and Y is an alkoxyl group or a halogen atom) disposed therebetween in the form of a film and heating them to coat the surface of the substrate with a gel film having a surface pattern which is the inverse of the surface pattern of the patterning die.

Abstract: The present invention provides a polarizing film having a high polarization degree and high transmittance, a process for producing the polarizing film, and a polarizing plate using the polarizing film, and an optical member. In the process for producing the polarizing film, a polyvinyl alcohol-based film is dry-stretched uniaxially, relaxed in an aqueous solution containing iodine or a dichroic dyestuff, and further stretched in an aqueous solution containing a PVA crosslinking agent. It is preferable that the polyvinyl alcohol-based film has a dry-stretch ratio of at least 2, the film after relaxation has a stretch ratio of at least 1.02, and the total stretch ratio is at most 6.5. It is also preferable that the relaxation rate is at most 10% of the dry-stretch ratio.

Abstract: The present invention provides a polarizer manufacturing method. Dichroic molecule material is printed over the polarizer substrate by microcontact printing. A shear force generated from the microcontact printing process can arrange the Dichroic molecule in a particular direction.

Abstract: Disclosed is a light directing polymeric film bearing on a surface thereof a three-dimensional features having an Ra of at least 3, the features containing a polymer dispersion comprising a continuous phase thermoplastic first polymeric material and a discontinuous phase thermoplastic second polymeric material that is immiscible with the first polymeric material and is dispersed in elongated micro-regions.

Abstract: An enhanced K-type polarizer includes a molecularly oriented sheet of polyvinylalcohol/polyvinylene block copolymer material having polyvinylene blocks formed by molecular dehydration of a sheet of polyvinylalcohol wherein the molecularly oriented sheet comprises light-polarizing molecules of polyvinylalcohol/polyvinylene block copolymer material varying in length, n, of conjugated repeating vinylene unit of the polyvinylene block, wherein an absorption concentration of each of the polyvinylene blocks in the range of n=19 to 25 is not less than approximately 65% of the absorption concentration of any of the polyvinylene blocks in the range of n=14 or 15, wherein the absorption concentration is determined by absorption of wavelengths from about 200 nm to about 700 nm by the polyvinylene blocks, and wherein the molecularly oriented sheet exhibits a photopic dichroic ratio, RD, of at least approximately 75.

Abstract: A manufacturing method of a cellulose ester film satisfying the relationships, Nx>Ny>Nz, and 0.8≦Rt/R0≦3.5, the method comprising casting a cellulose ester dope containing a solvent of a good solvent and a poor solvent on a support to form a web; peeling the web from the support; transporting the peeled web (step D0); holding the edges in the transverse direction of the web (step A); stretching the resulting web in the transverse direction while applying a tension; reducing the tension in the transverse direction of the web; and drying the stretched web, wherein the residual solvent content of the web is 5 to 90% by weight at the beginning in the step A, and the residual poor solvent content in the residual solvent content of the web is from 15 to 95% by weight at the terminal point in the Step D0.

Abstract: A dope containing cellulose acylate as a main content of polymer is cast on a moving belt in a method of producing a film. At least first and second drying units are arranged in a moving direction of the belt and disposed near the gel-like film on the belt. A temperature difference between a supplied drying air and an exhausted air in the first drying unit is higher than in the second drying unit. Further, the exhausted air of the first drying unit, in order to use as the drying air of the second drying unit, is heated by a heat exchanger such that the content of solvent is decreased. A produced film is excelling in thickness uniformity, and adequate to used as an optical polymer film. Polarizing filter, protective film, optical functioning film and liquid crystal display in which the film is used are excellent in optical properties.

Abstract: A process for preparing a polarizer is described whereby an article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a photoacid generator, is exposed to radiant energy at a temperature sufficient to effect a partial dehydration of the vinylalcohol polymer to a vinylalcohol/poly(acetylene) copolymer.

Abstract: It is an object of the present invention to provide a method for efficiently producing a lenticular lens providing an excellent contrast.

Abstract: Difference in retardation between two points separated by 1 cm along the TD direction of a polyvinyl alcohol polymer film 6 is 5 nm or less. The length of a surface for drying a polyvinyl alcohol polymer film 6 is 3 m to 200 m, and the water content of the polyvinyl alcohol polymer film 6 when peeled after passing through the drying surface is 50% by weight or less, in film formation.

Abstract: An oriented film with a high degree of orientation may be manufactured even a width of master roll film is wider width, by a manufacturing method for an oriented film, comprising steps of stretching an un-oriented polyvinyl alcohol derived film in dry and in longitudinal uniaxial direction by applying tension produced by peripheral velocity difference between rolls, wherein a value of L/W is not more than 0.6 when a distance between rolls defined as L and a width of the un-oriented polyvinyl alcohol derived film is defined as W; and further heating at 60 to 160° C. after the stretching step.

Abstract: An optical structure and method for forming same includes a plurality of first cured portions and a plurality of second cured portions that are formed from a same light-curable material. The first plurality of cured portions is cured to a first amount. The plurality of second cured portions is cured to a second amount. The first amount is sufficiently different than the second amount to result with discontinuities on the surface of the structure. The lenticular layer can include a prism layer having random discontinuities on the peaks. The discontinuities can also be formed on a window side of the prisms.

Abstract: In the production of an antiglare and antireflection film conducted by nipping antireflection film between an embossing roller and a backup roller to transfer the shape of convexes and concaves formed on the embossing roller to one surface of the antireflection film, the longitudinal elastic modulus and hardness of the backup roller are made smaller than the longitudinal elastic modulus and hardness of the embossing roller.