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| Number | Title | Issue Date |
| 8178010 | Optical device and method of producing the same An optical device having a sub-wavelength grating formed in a specified region is disclosed that is able to prevent wave front degradation accompanying a phase difference of a polarized light beam passing through the optical device. The optical device includes a cir... | 05/15/2012 |
| 8092723 | Method of producing a diffraction grating element An optical diffraction grating (10) is produced by providing a mold (50) having a plurality of inclined grooves (58), which have a small clearance angle (γ). The mold (50) is covered by a curable material (M1). Said material is su... | 01/10/2012 |
| 8094375 | Iodine-type polarizer, polarizing plate and method for producing thereof There is provided a method for producing a polarizer having improved cross transmittance. The method for producing a polarizer includes: dyeing a polyvinyl alcohol (PVA)-based film with molecular iodine by immersing the PVA-based film in an aqueous iodine solution (... | 01/10/2012 |
| 8027086 | Roll to roll nanoimprint lithography Apparatus and methods for a nano-patterning process to fabricate nanostructures. A roller type mold is used to continuously imprint nanostructures onto a flexible web or a rigid substrate. The process includes a coating and an imprinting module, which rotate the web... | 09/27/2011 |
| 7771629 | Method and film system for producing a personalised, optically variable element 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 a... | 08/10/2010 |
| 7618564 | Microstructure and method for producing microstructures Light-diffracting microstructures are produced by the superimposition of at least two relief structures, wherein the first relief structure is produced mechanically while at least one second relief structure is a photomechanically generated diffraction structure. | 11/17/2009 |
| 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 |
| 7401550 | Laser-assisted replication method The invention concerns an apparatus and a process for producing a marking on a substrate. Substrates marked in that way are applied to documents such as for example credit cards, personal identity cards or banknotes as security features to provide protection from fo... | 07/22/2008 |
| 7367759 | Surface relief grating image machining process and product A surface relief grating (SRG) image machining process and/or product. For the SRG image machining process a material and a cutting tool are provided. The material is contacted by the cutting tool to a predetermined depth. The cutting tool is rotated to cut the mate... | 05/06/2008 |
| 7361285 | Method for fabricating cliche and method for forming pattern using the same A method for fabricating a cliché including: providing a transparent glass substrate; depositing a metal layer on the substrate; patterning the metal layer and thereby forming a first metal pattern; etching the glass substrate by using the first metal pattern as a ... | 04/22/2008 |
| 7357075 | Laser-supported reproduction method The invention concerns an apparatus and a process for producing a marking on a substrate. Substrates marked in that way are applied to documents such as for example credit cards, personal identity cards or banknotes as security features for affording protection from... | 04/15/2008 |
| 7354698 | Imprint lithography An imprinting method is disclosed which involves irradiating a photo-curable imprintable medium in a flowable state on a substrate with radiation to initiate curing of the medium, after the irradiating, contacting the medium with a template to form an imprint in the... | 04/08/2008 |
| 7336875 | Enhancement of optical and mechanical properties in a polymeric optical element by annealing under a compressed gas A method for treating a polymeric optical element which includes the steps of mounting a polymeric optical element into a chamber, injecting a compressed gas as an annealing medium into the chamber and annealing the polymeric optical element and removing the anneali... | 02/26/2008 |
| 7326380 | Surface and site-specific polymerization by direct-write lithography Polymeric microstructures and nanostructures can be prepared with use of a tip to pattern a surface. A tip can be used to pattern a structure which can initiate polymerization. The structure can be then exposed to monomer to induce polymerization at the structure. A... | 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 |
| 7315068 | Interface layer for the fabrication of electronic devices The present invention is directed to methods for making electronic devices with a thin anisotropic conducting layer interface layer formed between a substrate and an active device layer that is preferably patterned conductive layer. The interface layer preferably pr... | 01/01/2008 |
| 7314365 | Surface treating apparatus and image recording apparatus A surface treating apparatus includes: a sheet which includes; a base, and a thermoplastic resin layer disposed on the base; a contact member configured to convey the sheet while carrying out a surface treatment of the sheet; a surface property forming unit configur... | 01/01/2008 |
| 7312447 | Electron beam depicting method, mother die manufacturing method, mother die, metallic mold manufacturing method, metallic mold and optical element There is described a method for depicting a predetermined pattern, such as a diffraction pattern employed in an optical element, on a substrate. The method includes the steps of: acquiring shape data of the predetermined pattern; generating a first input signal for ... | 12/25/2007 |
| 7310178 | Rearview mirror assembly for a vehicle An interior rearview mirror assembly for a vehicle comprises an electro-optic mirror unit whose reflectivity is variable in response to an electrical voltage applied thereto. The mirror unit includes a first substrate and a second substrate with an electro-optic med... | 12/18/2007 |
| 7276445 | Method for forming pattern using printing method A method for forming a pattern is provided that includes: providing a cliché having a plurality of convex patterns; applying an adhesive force reinforcing agent onto each surface of the convex patterns; forming an etching object layer on a substrate and then applyi... | 10/02/2007 |
| 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 |
| 7253215 | Anti-glare film, and optical member and liquid crystal display apparatus using the same 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 ... | 08/07/2007 |
| 7245406 | Method for forming fine concavo-convex patterns, method for producing optical diffraction structure, and method for copying optical diffraction structure A method for forming fine concavo-convex patterns by using a relief formation material 3 having a relief formation layer 2 composed of a resin having thermoplasticity and a relief pattern sheet 6 having on a surface thereof fine concavo-convex p... | 07/17/2007 |
| 7227703 | Aspheric lens and method for making same An aspheric lens (1) includes a substrate (10) and an aspheric film (12). The substrate (10) is made of glass, and has a spherical surface (102). The aspheric film (12) is formed on a surface of the substrate (10), an... | 06/05/2007 |
| 7227829 | Mechanical data processing Described is a method for erasing data recorded in a data storage device in which a data bit is written onto a surface by applying a first combination of energy and force to the surface via a tip to form a pit in the surface representative of the data bit by local d... | 06/05/2007 |
| 7220371 | Wire grid polarizer and method for producing same There are provided a thin wire grid polarizer having a high transmittance, a high quenching ratio and a high degree of polarization, and a method for producing the same at low costs. A fluoridated polyimide thin film 12, a hydrophilic thin film 13 and ... | 05/22/2007 |
| 7216976 | Polyurethane resin composition for optical lenses and impact strength synthetic resin lenses An impact strength synthetic resin lens is provided in which transparency of a synthetic resin lens material of a polyurethane and releasability are improved to improve productivity and no stria are produced. The impact strength synthetic resin lens is manufactured ... | 05/15/2007 |
| 7211214 | Laser assisted direct imprint lithography In accordance with the invention, features can be directly imprinted into the surface of a solid substrate. Specifically, a substrate is directly imprinted with a desired pattern by the steps of providing a mold having a molding surface to imprint the pattern, dispo... | 05/01/2007 |
| 7209278 | Rearview mirror assembly for a vehicle A rearview mirror assembly for a vehicle comprises an electro-optic mirror unit whose reflectivity is variable in response to an electrical voltage applied thereto. At least one light sensor is included and an electrical circuit controls operation of the mirror unit... | 04/24/2007 |
| 7204419 | Method and apparatus for reading firearm microstamping An indicia for marking on an object, such as a cartridge case, for representing selected information, such as identification indicia identifying the firearm that discharged the cartridge, and methods and apparatus for generating, imprinting and reading the identific... | 04/17/2007 |
| 7195381 | Vehicle interior LED lighting system A vehicle lighting system for a vehicle includes an accessory module assembly that is adapted for attachment to an interior portion of a vehicle and configured to illuminate, for example, an area inside the vehicle. The module assembly includes a single high-intensi... | 03/27/2007 |
| 7167617 | Optical coupling device and method for fabricating the same, and master used in fabricating optical coupling device and method for fabricating the same An integrated type optical coupling device capable of easily accurately performing an optical arrangement between a narrow-pitch multi-channel optical waveguide and an optical fiber array and a master used in fabricating the same are provided. By forming a fixing pr... | 01/23/2007 |
| 7156640 | Insert dies, molds, and methods for fabricating the same A method for manufacturing an insert die with a pattern region to be transferred onto a molding part is provided. The method includes (a) adhering a first base member having the pattern region and a second base member with an adhesive material, and (b) sealing an ex... | 01/02/2007 |
| 7141336 | Hologram transfer film Disclosed is a hologram transfer film which can realize easy and good transfer of a hologram and, at the same time, can realize stable transfer of the hologram in a transfer process. The hologram transfer film comprises: a substrate film; and a transfer layer provid... | 11/28/2006 |
| 7131380 | EB pattern profile printing The present invention provides a printing process and a printed product in which a coating is combined with an additive that lowers the surface tension of the dried coating. The coating pattern is printed on a substrate, and is cured using electron beam (“EB”) p... | 11/07/2006 |
| 7129028 | Method of forming holographic grating In a method of forming a holographic grating, a photoresist layer is formed on an optical substrate, and a resist pattern is formed in the photoresist layer to have grooves depth deeper than a predetermined depth of diffraction grating grooves to be formed. Then, th... | 10/31/2006 |
| 7119937 | Durable electrooptic devices comprising ionic liquids Electrolyte solutions for electrochromic devices such as rear view mirrors and displays with low leakage currents are prepared using inexpensive, low conductivity conductors. Preferred electrolytes include bifunctional redox dyes and molten salt solvents with enhanc... | 10/10/2006 |
| 7110156 | Rearview mirror assemblies A rearview mirror assembly for a vehicle comprises an electro-optic mirror unit whose reflectivity is variable in response to an electrical voltage applied thereto and an electrical circuit for controlling operation of the mirror unit in response to one or more ligh... | 09/19/2006 |
| 7110177 | Polarizing film and image display 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 fil... | 09/19/2006 |
| 7106507 | Flexible wire grid polarizer and fabricating method thereof The present invention provides a flexible wire grid polarizer used in a visible ray band and a fabricating method thereof. The present invention includes the steps of forming a non-adhesive layer on an inner area of a lower substrate, forming a flexible polymer subs... | 09/12/2006 |
