Abstract: Method of making eyeglass lens are disclosed where the lens are made of layers which include an outer, convex hard coating, a layer of hard epoxy, a PVA film wherein the color is coated in the peripheral portion, a layer of soft epoxy, a base material, and an inner, concave hard coating. Other methods configuration of lens also include a camouflaged patterned lens, a layer of hard epoxy, a polyurethane mixture, a PVA film wherein the color is coated in the peripheral portion, a layer of soft epoxy, a base material, and an inner, concave hard coating.

Abstract: Method of making eyeglass lens are disclosed where the lens are made of layers which include an outer, convex hard coating, a layer of hard epoxy, a laminated PVA film where one of the layer of the PVA film is coated with Photochromic powder, a layer of soft epoxy, a base material, and an inner, concave hard coating. Other methods configuration of lens also include a camouflaged patterned lens, a layer of hard epoxy, a polyurethane mixture, a laminated PVA film where one of the layer of the PVA film is coated with Photochromic powder, a layer of soft epoxy, a base material, and an inner, concave hard coating.

Abstract: An optical laminate having layer A having a resin having a negative intrinsic birefringence and at least one layer B having a transparent resin, having substantially no orientation and laminated at least on one face of layer A and satisfies a relation |Re(A)|>|Re(B)|, wherein Re(A) and Re(B) represent in-plane retardations of layer A and layer B, respectively, measured with light having a wavelength of 400 to 700 nm, an optical element having a laminate of the optical laminate and a polarizer plate, and a liquid crystal display device using at least one sheet of the optical laminate. In the liquid crystal display device, optical compensation can be made in accordance with the mode of the liquid crystal display by the three dimensional control of the refractive index, and the liquid crystal display device provides an image display with liquid crystals exhibiting small change in the phase contrast depending on the viewing angle.

Abstract: Provided is a polarizing plate which is free from occurrence of cloudy unevenness appearing blurry on a screen of a liquid crystal display under heat and humidity conditions.

Abstract: The present invention provides a method for manufacturing a diffusely reflecting polarizer, comprising: extruding and stretching a film containing a first polymer having a birefringence of less than 0.

Abstract: The lighting apparatus includes a light source, a housing that contains the light source inside and has an exit port for outputting light from the light source, and an optical sheet that is placed in the exit port. The optical sheet includes a lens structure that is placed at a light exit side and aligns an output direction of incident light from the light source, a reflector that is placed at a light incident side and reflects light emitted by the light source, and a light transmitting opening that exists in the reflector and transmits incident light from the light source. The light transmitting opening is placed in a position deviated from an optical axis of the lens structure. The display apparatus includes the lighting apparatus.

Abstract: A process of manufacturing micro or nanostructure surfaces or parts formed of PTFE by applying a vacuum to powered or granulated PTFE in a heated compression mold. The process further includes applying a compression anvil within the metallic mold, removing the mold from a heat source and quenching the mold while maintaining the pressure in the mold during quenching. A mold or mold insert may be manufactured from sintered metal, sintered ceramic or sintered stainless steel to allow the vacuum to be applied across a surface holding the micro or nanostructures.

Abstract: According to the present invention, a cellulose acylate film having high thickness precision and no streaks can be formed by producing a film with a cellulose acylate resin by means of the polishing roller method, and a high-performance optical film, which is free from the retardation distribution, can be produced by subsequently stretching the cellulose acylate film thus obtained within a magnification range from 1 or more and 2.5 or less.

Abstract: An eyeglass lens is made of layers which include an outer, convex hard coating, a layer of hard epoxy, a PVA film, a layer of soft epoxy, a layer of adhesive, a base material, and an inner, concave hard coating. The major steps in producing the lens are to 1: prepare a clean, soft PVA film; 2: form the PVA film into the desired curved shape using a convex mold; 3: add hard epoxy to the outer, convex side of the PVA film; 4: add soft epoxy to the inner, concave side; 5: add the base material to the inner, concave side; and 6: harden and package the lens.

Abstract: A cellulose acylate film characterized in that it has a shear rate dependency of melt viscosity of 0.1 to 2 and/or a temperature dependency of melt viscosity of 0.1 to 3. The cellulose acylate film is capable of suppressing generation of cutting wastage at the time of cutting.

Abstract: A method of in-mold coating utilizing an injection molding machine oriented to a horizontal parting line. At the beginning of the cycle the mold opens and a charge of liquid coating solution is deposited onto the lower mold insert. A ophthalmic wafer is deposited on the coating to spread it across the insert surface. The mold is closed and a pre-cure phase elapses before the thermoplastic resin is injected into the mold cavity above the wafer. The process provides coated and functionally enhanced lenses upon ejection from the molding machine.

Abstract: The invention provides a molding apparatus capable of obtaining a reference mark utilizing characteristics of molding of a polarizing film in the course of molding the polarizing film, and adapted for large items small scale production of the polarizing film. The molding apparatus is made up of a molding box which is opened at an upper face, a closing valve attached to a suction port communicating with an inner space of the molding box, a vacuum source connected to the closing valve, pressing means provided at an opening edge of the molding box, and a mold having a concave spherical molding face and installed in the molding box, allowing the polarizing film to be sucked onto the molding face by vacuum suction to mold a colored concave and convex polarizing film.

Abstract: Disclosed is a film having polarization selectivity and diffusibility, and a means for easily producing the film. The polarizing diffuser film is composed of substantially one kind of crystalline resin having an intrinsic birefringence of not less than 0.1, has a total light transmittance to visible light of 50-90%, a transmission haze to visible light of 15-90% and a transition polarization degree to visible light of 20-90%.

Abstract: The present invention includes preparing a carrier web with uniformly spaced images and corresponding registration marks at regular intervals, applying an energy curable resin coating to the carrier web either uniformly or in selected spots, providing a master web carrying uniformly spaced impressing images and corresponding registration marks at regular intervals where accurate alignment of the registration marks of the carrier web and the master web is achieved by stretching the master web to align the registration marks.

Abstract: A manufacturing method of an optical film provided with a convexoconcave structure, comprises the steps of: coating a resin solution including a first resin solved by a solvent onto an endless or roll-like mold provided with a convexoconcave structure, and forming a resin solution layer on the mold; laminating a film substrate onto the resin solution layer to make a laminated film before the solvent in the resin solution layer is completely dried, the film substrate including a second resin, which is capable of absorbing the solvent or is soluble by the solvent; and peeling the laminated film from the mold before the solvent in the laminated film is completely dried.

Abstract: A heat-shrinkable polylactic acid (PLA) film and a method of its manufacture are provided. In an exemplary embodiment, the PLA films exhibit heat-induced growth in the cross direction with concomitant shrinkage in the machine direction. The films may comprise any grade of PLA polymer, optionally including additives, such as antiblock, slip, viscosity enhancers and combinations thereof. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.

Abstract: A system for manufacturing a micro-retarder and a method for manufacturing the same are provided. The system for manufacturing a micro-retarder includes a carrying device, a heating device and a movement control device. The carrying device is used for carrying a polymolecule film. The polymolecule film is selected from a polymolecule film having an arrangement direction. The heating device is used for providing a heating source. The energy formed in the central area of the heating source is smaller than that in the peripheral area of the heating source. The movement control device is used for controlling the heating source and the polymolecule film to relatively move along a first direction, so that the adjusted heating source heats at least one partial area of the polymolecule film along the first direction and resumes the partial area of the polymolecule film to be non-directional.

Abstract: A system for manufacturing a micro-retarder and a method for manufacturing the same are provided. The system for manufacturing a micro-retarder includes a carrying device, a heating device and a movement control device. The carrying device is used for carrying a polymolecule film. The polymolecule film is selected from a polymolecule film having an arrangement direction. The heating device is used for providing a heating source. The energy formed in the central area of the heating source is smaller than that in the peripheral area of the heating source. The movement control device is used for controlling the heating source and the polymolecule film to relatively move along a first direction, so that the adjusted heating source heats at least one partial area of the polymolecule film along the first direction and resumes the partial area of the polymolecule film to be non-directional.

Abstract: A polarized optical element comprising: an optical part made of polyurethane-based optical material; and a polarizing film integrally bonded to the optical part, wherein the polyurethane-based optical material comprises the reaction product of a liquid-phase material comprising: a) a liquid polyisocyanate or polyisocyanate prepolymer having a content of —NCO functional groups comprised between 5 and 50% by weight and an average functionality of 2 to 3, b) an isocyanate-reactive component comprising at least one organic compound containing at least two aromatic amine groups, and c) at least one organometallic catalyst.

Abstract: A light-scattering substrate having an irregular shape on one surface thereof is provided, the light-scattering substrate including: a thermoplastic resin; and at least one kind of transparent particles having a mean primary particle size of 3 ?m or more and not more than 12 ?m, wherein the light-scattering substrate contains a first region having a thickness of ½ or more times and not more than 4 times the mean primary particle size of the transparent particles from the surface having an irregular shape; and a second region having a thickness of 3/2 or more times the mean primary particle size of the transparent particles from a surface on back side of the surface having an irregular shape, and the first region and the second region have a region not substantially containing the transparent particle.

Abstract: A method for producing a polarizing film, including: a dyeing step and a stretching step, a plurality of films being dipped into at least one processing liquid without contacting each other.

Abstract: A method and an apparatus for producing a pattern forming sheet efficiently. The method and apparatus for producing a sheet having a first pattern formed on at least one side by a first roll forming die and a second pattern formed by a second roll forming die is characterized in that the rotational angular speeds of the first and second roll forming dies are substantially equalized and relative positional variation of the first and second patterns is substantially minimized by synchronizing the phases of the periodic positional variation caused by the rotation of the rolls.

Abstract: An exemplary optical plate includes a first transparent layer, a second transparent layer and a light diffusion layer. The light diffusion layer is between the first and second transparent layers. The light diffusion layer, the first and second transparent layers are integrally formed. The light diffusion layer includes a transparent matrix resin and a plurality of diffusion particles dispersed in the transparent matrix resin. Both the first and second transparent layers define a plurality of spherical protrusions on an outer surface thereof distalmost from the light diffusion layer respectively. A method for making the optical plate is also provided. In addition, a direct type backlight module using the optical plate is also provided.

Abstract: A method for treating an unstretched thermoplastic resin film. The method includes includes heat treating an unstretched thermoplastic resin film at a glass transition temperature of the thermoplastic resin Tg° C. or higher and Tg+50° C. or lower for 10 seconds or longer and 600 seconds or shorter while conveying the thermoplastic resin film at a tension of 2 N/cm2 or higher and 50 N/cm2 or lower. The method provides a thermoplastic resin film has an in-plane retardation (Re) and a retardation in the thickness direction (Rth) close to 0 nm, and as such the thermoplastic resin film after heat treatment has |Re| of 0 to 10 nm and |Rth| of 0 to 20 nm.

Abstract: An optical film producing method, comprises steps of: extruding a melted material including a melted cellulose ester resin from a casting die by using an extruding device; forming a film by pressing the extruded melted material between a first rotating member and a second rotating member; and winding up the formed film, wherein the following formulas are satisfied: 30° C.?T1?T2?60° C., 0° C.?T2?T3?20° C., Tg<T3, where T1 is the temperature of the melted material at an exit of the casting die, T2 is the temperature of the film at a point where the film firstly contacts the first rotating member, T3 is the temperature of the film at a point where the film is pressed between the first rotating member and the second rotating member, and Tg is the glass transition temperature of the film.

Abstract: A film for a display comprising a cellulose ester and a compound represented by Formula (I) or (Ia).

Abstract: An optical film composed of a thermoplastic resin film obtained by using a melt extruding machine, characterized in that said thermoplastic resin film satisfies a relation of the formula below over the whole surface of the film when an angle made by the extruding direction of the thermoplastic resin film from the melt extruding machine and a slow phase axis at each point is ?, and a retardation amount at each point is Re, is provided. [sin2 2?]×[sin2(?·Re/550)]?4.0×10?5. According to the present invention, an optical film wherein there is no problem on a residual solvent, optical distortion is small, and there is no problem of color unevenness and color absence of a liquid crystal display obtained by using the optical film as a protective film of a polarizer is provided.

Abstract: An active energy ray curable resin composition for a sheet-like optical article capable of providing a cured material having a dynamic elastic modulus at 25° C. of 950 MPa or less and a dynamic elastic modulus at 60° C. of 100 MPa or more and a sheet-like optical article prepared from the resin composition are disclosed. The sheet-like optical article (e.g., prism sheet) has good heat resistance and extremely small warpage.

Abstract: The invention relates to compensation films for liquid-crystal displays with additions of rod-shaped liquid crystals mentioned below, to polariser plates which have at least one compensation film of this type, to liquid-crystal displays which have compensation films of the said type, and to processes for the production of the said compensation films, polariser plates and liquid-crystal displays, to the use of the compounds described in greater detail below as additions to compensation films for liquid-crystal displays, and to further subject-matters of the invention which can be seen below.

Abstract: Method of making eyeglass lens are disclosed where the lens are made of layers which include an outer, convex hard coating, a layer of hard epoxy, a PVA film wherein the color is dipped in water without color dye, a layer of soft epoxy, a base material, and an inner, concave hard coating. Other methods configuration of lens also include a camouflaged patterned lens, a layer of hard epoxy, a polyurethane mixture, a PVA film wherein the color is dipped in water without color dye, a layer of soft epoxy, a base material, and an inner, concave hard coating.

Abstract: Process for improving the brilliance of color and the stability of a colored polymer system, which is composed of a matrix and of discrete polymer particles distributed in accordance with a defined spatial lattice structure in the matrix, and which is obtained by filming of an emulsion polymer with core/shell structure, which comprises using an emulsion polymer obtainable by polymerizing monomers in at least one first stage (core monomers), then polymerizing monomers in at least one further, second stage (transition stage), and finally polymerizing monomers in a third stage (shell monomers), where, based on the percentage constitution of the monomer mixtures of the three stages, at most 30% by weight of the monomers of the first stage are identical with those of the third stage, and 5% of the monomers of the second stage are identical with, respectively, those of the first and those of the third stage, and not more than 60% by weight of the monomers of the 2nd stage here are monomers absent in the 1st sta

Abstract: A polarizing plate of the present invention includes a stretched laminate that is a laminate including a base material layer and a hydrophilic polymer layer and has undergone a stretching process, and at least a dichroic substance is adsorbed to the hydrophilic polymer layer. The polarizing plate of the present invention can be prevented from curling even when the polarizer is reduced in thickness.

Abstract: The invention concerns a process for the production of a personalised, optically variable element having polarising properties, and a film system for carrying out the process. To produce the optically variable element a film body which comprises two or more layers and which has an LCP layer comprising a liquid crystal material is applied to a substrate body which has an orientation layer for the orientation of liquid crystals. The orientation layer of the substrate body is personalised prior to application of the film body to the substrate body. The film body is then applied to the personalised orientation layer of the substrate body in such a way that the LCP layer of the film body lies on the personalised orientation layer of the substrate body for then orientation of liquid crystals of the LCP layer of the film body.

Abstract: Tough decorative printable film products having holographic-type images are provided that are low in cost. These film products include a relatively high temperature film that is made by continuous extrusion of the film resin onto a master film having pre-etched holographic-type imaging in order to provide a high-temperature primary film with conforming holographic imaging. This primary film provides a tough holographic-type image that is readily secured to any number of products to impart a holographic character to them. For example, this primary film is suitable for use on the surface of recreational sportsboards. When desired, sublimation printing can be used to impart indicia, text, images and colors, alone or in combination, to the primary film.

Abstract: Microstructured optical films, assemblies of films including at least one microstructured optical film, and (e.g. illuminated) display devices including a single microstructured optical film or assembly.

Abstract: Disclosed is a process for manufacturing a polarizing plate protecting film comprising the steps of providing a film formation composition containing cellulose resin having a total acyl substitution degree of from 2.5 to 2.9, a plasticizer and a hindered amine or hindered phenol compound, heat-melting the film formation composition to obtain a melt, extruding the melt to be in the form of sheet, and cooling the extruded sheet to form a film, wherein the cellulose resin contains an alkaline earth metal in an amount of from 1 to 50 ppm and a residual sulfuric acid (in terms of sulfur content) in an amount of from 0.1 to 45 ppm, based on the weight of cellulose resin.

Abstract: A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an embossed region with an optical diffraction pattern or a holographic image pattern. A color shifting optical coating is formed on the substrate such as on the opposing second surface, with the optical coating providing an observable color shift as the angle of incident light or viewing angle changes. The security article can be used in a variety of applications and products to provide for enhanced security measures such as anticounterfeiting.

Abstract: A rolled optical film includes a cellulose ester film which has a width of from 1 m to 3 m and a length of 500 m or more and is shaped in a rolled film. The cellulose ester film includes streaks from 1 line to 20 lines per 10 mm in a lateral direction thereof in which the streaks have a height of from 50 nm to 300 nm, an inclination of from 50 nm/mm to 300 nm/mm and a continuous length of 50 cm or more in a longitudinal direction thereof and the cellulose ester film does no includes a streak which has a height of 300 nm or more, an inclination of 300 nm/mm or more and a continuous length of 50 cm or more in a longitudinal direction thereof.

Abstract: The present invention provides a method for producing a retardation film of a polypropylene resin, the method comprising subjecting a film of a polypropylene resin to longitudinal stretching and transverse stretching which are performed sequentially, wherein the transverse stretching comprises the following steps, and a polypropylene resin retardation film which is obtained by such a method and has both a high axial retardation and a uniform retardation: a step of preheating the film at a preheating temperature which is equal to or higher than the melting point of the polypropylene resin; a step of stretching the preheated film in the transverse direction at a stretching temperature which is lower than the preheating temperature; and a step of heat setting the film stretched in the transverse direction.

Abstract: The present invention provides a polarizing film which contains at least dichroic anisotropic metal nanoparticles and a thermoplastic resin, wherein the polarizing film has a thickness of 12.5 ?m or less.

Abstract: A method is provided for manufacturing a wide band retardation plate which gives uniform phase difference characteristics to incident light over the whole visible wavelength region, and which, as it permits selection of raw materials regardless of whether they have a positive or negative intrinsic double refraction value, allows a wide selection of raw materials.

Abstract: An optical sheet suitable for linear polarized light to pass through is provided. The optical sheet includes a substrate and a retardation film. The retardation film herein is located on the substrate and has a plurality of optical axes with different extending directions. The linear polarized light after passing through the retardation film is converted into a plurality of linear polarized light with different polarization directions, wherein the retardation film substantially has a phase retardation of ?/2 at anywhere of the area where the linear polarized light passes through and ? is the wavelength of the linear polarized light. Besides, the present invention also provides a display apparatus, a fabricating method of an optical sheet and a fabricating method of a display apparatus.

Abstract: A method of manufacturing an optical film by a solution casting method, in which a poor peeling region of a metal support can be eliminated by casting a dope on the surface of the metal support after a surface treatment film is formed on the surface of the metal support by atmospheric pressure plasma treatment or excimer UV treatment. Consequently, limitation on the conditions of film production is reduced and productivity is enhanced. Furthermore, since peeling of the film is enhanced, lateral variation in peeling position is reduced and variation in retardation value is reduced sharply, and thereby an optical film having optical characteristics excellent in transparency and flatness can be manufactured. Consequently, a method for manufacturing an optical film, an optical film, a polarizing plate and a display device which meet the demands of a high quality thin and wide protective film for polarizing plate can be provided.

Abstract: Method of making eyeglass lens are disclosed where the lens are made of layers which include an outer, convex hard coating, a layer of hard epoxy, a layer of polyurethane mixture film, a PVA film wherein the color is dipped in water with Photochromic powder, a layer of soft epoxy, a base material, and an inner, concave hard coating. Other methods configuration of lens also include an outer, convex hard coating, a layer of hard epoxy, a layer of polyurethane mixture film, a PVA film wherein the color is dipped in water without color dye, a layer of soft epoxy, a base material, and an inner, concave hard coating.

Abstract: A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polycarbonate films are prepared by simultaneous application of multiple liquid layers to a moving carrier substrate. After solvent removal, the polycarbonate films are peeled from the sacrificial carrier substrate. Polycarbonate films prepared by the current invention exhibit good dimensional stability and low birefringence.

Abstract: The invention provides an antiglare film that has a low haze value, can maintain antireflection ability, and has inhibited reflection of external light, and also provides a manufacturing method thereof, and a transmission type liquid crystal display. The antiglare film includes a transparent substrate and an antiglare layer, wherein the antiglare layer is formed on the transparent substrate, has a concave-convex structure on the opposite surface of the antiglare layer from the transparent substrate, and includes a binder matrix and particles, the integrated reflectance of the antiglare layer at a wavelength of 550 nm is less than or equal to 4%, and a haze value of the antiglare layer is in the range of 3-15%.

Abstract: The object of the present invention is to provide a producing method for a lengthwise optical laminate exhibiting high contrast ratio and adaptable to a large-sized display. The present invention provides a producing method for a lengthwise optical laminate, which comprises a step 1 of coating and drying a coating solution comprising a birefringent material and a solvent on a surface of a lengthwise base material to form a birefringent film such that a birefringence index (?nxz[590]) in the thickness direction at a wavelength of 590 nm is 0.

Abstract: Disclosed is an optical film that is manufactured by using longitudinal and uniaxial stretching of an unstretched cycloolefin copolymer film and has an in-plane retardation of 100 to 150 nm and a thickness retardation of 0 to ?30 nm at a wavelength of 550 nm, a polarizing plate and a liquid crystal display including the same, and a method of manufacturing the optical film. The method includes longitudinally and uniaxially stretching the unstretched film while a ratio of a width to a length of a stretched portion of the film is controlled.

Abstract: A decoration board and a manufacture method therefore are provided to generate different visible patterns on the decoration board from different viewing angles. The decoration board includes an outer surface and multiple stria structures disposed on the outer surface. Each stria structure includes multiple hairlines, wherein the stria structures are partially overlapped with one another to form multiple primary decoration regions and multiple secondary decoration regions. According to various overlapping frequency and overlapping shapes of the stria structures, the primary decoration regions and the secondary decoration regions generate different visible patterns under different viewing angles.

Abstract: An optically driven actuator includes a crosslinked polymer obtained by crosslinking at least part of the side chains of a condensation polymer having, on its backbone chain, a photoisomerizable group that undergoes structural change under optical stimulation. The crosslinked polymer deforms reversibly depending on optical stimulation, thereby performing the function of an actuator.