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| Number | Title | Issue Date |
| 8062562 | Method of producing a cellulose ester film A cellulose ester film exhibiting: a free volume radius of 0.25 to 0.31 nm and a half-width of 0.04 to 0.1 nm, the free volume radius and the half-width being determined by positron annihilation lifetime spectroscopy; and Ro of 0 to nm and Rt of −30 to +20 nm, Ro ... | 11/22/2011 |
| 8052902 | Method of fabricating polarizing plate A method of fabricating a polarizing plate includes: providing a polarizing roll film having transmission axes; and cutting the polarizing roll film with a knife having a plurality of openings each having a rectangular shape to form a plurality of polarizing plates,... | 11/08/2011 |
| 8012383 | Method for producing polarizing film A method for producing a polarizing film comprising the step of dipping a polyvinyl alcohol film in/on which iodine is adsorbed and oriented in an aqueous solution containing boric acid wherein the aqueous solution has an absorbance of 0.13 or less at a wavelength o... | 09/06/2011 |
| 7976741 | Method of manufacturing light guide plate of keypad A method of manufacturing a light guide plate containing a plurality of light-guiding micro structures comprises the steps of: preparing a mold that has a concave hole formed by a plurality of light-guiding micro structures; pouring a mixture of ultraviolet curable ... | 07/12/2011 |
| 7927520 | Method for lighting apparatus and display apparatus 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... | 04/19/2011 |
| 7914712 | Cellulose acylate film, polarizing plate, optical compensation film, and liquid crystal display device using the same 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 ... | 03/29/2011 |
| 7901599 | Method of and apparatus for molding a polarizing film 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 mo... | 03/08/2011 |
| 7887722 | Method for transferring holographic and other microstructure or refractive images onto a web-carried resin coating in registration with printing on the web 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 c... | 02/15/2011 |
| 7842201 | System for manufacturing micro-retarder and method for manufacturing the same 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 pol... | 11/30/2010 |
| 7820080 | Method for producing polarizing film, polarizing film, and image display using the polarizing film 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. ... | 10/26/2010 |
| 7815822 | Forming sheet, lenticular lens sheet production method, and their production apparatus 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 cha... | 10/19/2010 |
| 7785503 | Optical film and process for producing the same 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 di... | 08/31/2010 |
| 7776237 | Polymer dispersion with a colour effect 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 fi... | 08/17/2010 |
| 7763190 | Low-cost tough decorative printable film products having holographic-type images 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 holo... | 07/27/2010 |
| 7758777 | Polarizing plate protecting film and its manufacturing method, polarizing plate and liquid crystal display 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 hi... | 07/20/2010 |
| 7754112 | Methods for forming security articles having diffractive surfaces and color shifting backgrounds 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... | 07/13/2010 |
| 7686987 | Polycarbonate films prepared by coating methods 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 subs... | 03/30/2010 |
| 7651643 | Polarizer, method for producing same, polarizing plate, optical film, and image display A polarizer of the invention comprises a polyvinyl alcohol-based film which is at least dyed with at least iodine and uniaxially stretched, having a single transmittance of 43% or more, a polarizing efficiency of 99.9% or more, and a dichroic ratio of 30 or more, wh... | 01/26/2010 |
| 7632430 | Process for producing polarizing film The invention provides a continuous method for producing polarizing films that includes a step of monoaxially stretching a polyvinyl alcohol film having a width of at least 2 m in an aqueous boric acid solution, wherein the polyvinyl alcohol film is stretched on the... | 12/15/2009 |
| 7582236 | Film stretching apparatus and solution film-forming method A clip to hold the film has a clip body, a flapper, a press slider and a rail mount. A pair of the press sliders is located in both sides of the flapper. A coil spring presses the press slider upward. A pair of entrance side film release members, provided in the ten... | 09/01/2009 |
| 7517478 | Process for preparing polyvinyl alcohol film and polarizing film using the same A process for preparing an optically homogeneous polyvinyl alcohol film having an excellent appearance without forming wrinkles and scratches and causing blocking of the film, the process comprising the steps of forming a polyvinyl alcohol film from a solution of a ... | 04/14/2009 |
| 7462306 | Cellulose acylate film, process for producing cellulose acylate film, polarizing plate and liquid crystal display device A cellulose acylate film that has: an in-plane retardation Re and a retardation Rth in a thickness direction at a wavelength of 590 nm, which are satisfied with ranges of expressions (I) to (III); a coefficient of a thermal expansion of from 20 ppm/° C. to 100 ppm/... | 12/09/2008 |
| 7445733 | Process for producing an antireflection film An object of the present invention is to eliminate drawbacks of conventional multi-layered antireflection films, that is, that a lot of time is required in the formation of a transparent conductive thin film and a low-refractive index layer leading to low processing... | 11/04/2008 |
| 7407686 | Optical film, polarizing plate and display device utilising the film, and production method of optical film An optical film is disclosed having minimal curl, minimal coating unevenness and no cracks. The optical film is obtained by casting a dope comprising a cellulose ester and a non-chlorinated solvent on a metal support, the cellulose ester having a total acyl substitu... | 08/05/2008 |
| 7362483 | Postprocessing apparatus and postprocessing method A postprocessing apparatus for conducting postprocessing on an image forming member, including a receiving unit for receiving an image forming member having an image formed thereon, and an attaching unit for attaching a hologram recording medium in which a hologram ... | 04/22/2008 |
| 7356229 | Reflective polarizers containing polymer fibers A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is... | 04/08/2008 |
| 7339736 | Light polarizing film 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 ... | 03/04/2008 |
| 7332201 | Optically functional layer, method of forming optically functional layer, and liquid crystal display element The present invention is to solve a problem that, conventionally, there is a risk of impurity elution when the optical retardation control layer obtainable by photopolymerization comes into contact with the liquid crystal layer because of the deterioration in heat r... | 02/19/2008 |
| 7326374 | Polarizing plate, adhesive for polarizing plate, optical film and image display device 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 imid... | 02/05/2008 |
| 7326373 | Method for forming a wafer for use in an optical part An improved method is disclosed, for forming a wafer into a complex, curved shape, for use in an optical part. The method includes a step of moving the wafer into contact with a molding surface having a predetermined non-cylindrical, aspheric curved shape, to form t... | 02/05/2008 |
| 7320515 | Polarized optical lens 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 ... | 01/22/2008 |
| 7306832 | Cellulose ester film, its manufacturing method, optical retardation film, optical compensation sheet, elliptic polarizing plate, and image display 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 ... | 12/11/2007 |
| 7301594 | Optical compensator for a liquid crystal display An optical compensator includes a C-plate adapted to be coupled to a liquid crystal cell and made from a polymer. The C-plate has a layer thickness ranging from 5 to 60 μm. The polymer is polyvinyl alcohol, has a polymerization degree greater than 2000 and less tha... | 11/27/2007 |
| 7294294 | Surface modified stamper for imprint lithography A method of performing imprint lithography of a surface substrate includes a stamper having a thin lubricant coating thereon to facilitate release of the stamper from the imprinted surface to reduce degradation of image replication. Embodiments of the invention incl... | 11/13/2007 |
| 7285332 | Laminate roll 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 stre... | 10/23/2007 |
| 7279203 | Liquid crystal panel A liquid crystal panel is provided that has a liquid crystal layer sandwiched between a pair of substrates, wherein the liquid crystal layer comprises a liquid crystal and a cross-linked resin, the cross-linked resin comprises a cross-linked structural part adhered ... | 10/09/2007 |
| 7277619 | Nano-imprinted photonic crystal waveguide 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 protrusi... | 10/02/2007 |
| 7270301 | Surface optical reflector, for space craft such as a geostationary satellite Optical surface reflector, for a spacecraft such as a geostationary satellite. The exterior surface (10) of the reflector comprises a plurality of facets (14) inclined to each other and to the interior surface (12) of the reflector. The f... | 09/18/2007 |
| 7255553 | Light guide plate mold core and method for manufacturing the same 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... | 08/14/2007 |
| 7252239 | Method for producing laser-writable data carriers and data carrier produced according to this method The invention relates to a method for producing a data carrier having a laser-markable layer and a transparent optically variable layer overlapping therewith at least in certain areas, wherein visually visible markings that at least partly overlap with the optically... | 08/07/2007 |
