Class / Patent application number | Description | Number of patent applications / Date published |
427163100 | Polarizer, windshield, optical fiber, projection screen, or retroreflector | 80 |
20080206457 | Optical compensatory sheet, polarizing plate and production methods therof - A method for producing an optical compensatory sheet, which includes: coating a layer comprising a liquid crystalline molecule on a transparent support; aligning the liquid crystalline molecule in an alignment state; fixing the liquid crystalline molecule in the alignment state to form an optically anisotropic layer; and performing a hydrophilization treatment of a surface of the optical compensatory sheet, wherein the hydrophilization treatment is performed under a condition that the optically anisotropic layer satisfies formula (I): (DB−DA)/DB<0.01, wherein DA represents a thickness of the optically anisotropic layer after the hydrophilization treatment; and DB represents a thickness of the optically anisotropic layer before the hydrophilization treatment. | 08-28-2008 |
20080274272 | ANTISTATIC OPTICAL FILM, METHOD FOR MANUFACTURING THE SAME AND IMAGE VIEWING DISPLAY - An antistatic optical film comprising an antistatic layer laminated on at least one side of an optical film, wherein the antistatic layer comprises a water soluble or a water dispersible conductive polymer, has excellent antistatic effect, optical characteristics and appearance. | 11-06-2008 |
20080286455 | Method for producing polarizer, polarizer, polarizing plate, optical film, image display, and cleaning apparatus - The invention relates to a method for producing a polarizer and to a polarizer produced by the production method. The invention also relates to a polarizing plate and an optical film each using the polarizer and to an image display such as a liquid crystal display, an organic electroluminescent display and a plasma display panel, each using the polarizing plate or the optical film. The invention further relates to a cleaning apparatus having a cleaning vessel for use in a cleaning process of a polarizer production method and to a cleaning system into which the cleaning apparatus is assembled. | 11-20-2008 |
20090004375 | METHOD OF NANO-PATTERNING BLOCK COPOLYMERS AND METHOD OF MANUFACTURING POLARIZER AND COLOR FILTER USING THE SAME - Provided is a method of nano-patterning block copolymers and a method of manufacturing a polarizer using the same. The method of nano-patterning block copolymers includes coating block copolymers on a lower substrate to a predetermined thickness, forming a thickness gradient by patterning the block copolymers to have a predetermined aspect ratio, and aligning self-assembled block copolymers in a direction of the thickness gradient by heat-treating the block copolymers having the thickness gradient. | 01-01-2009 |
20090041934 | METHOD FOR MANUFACTURING PROJECTION OPTICS - A method for manufacturing a projection optics that includes a plurality of optical elements composed of an amorphous material is provided. The method includes preparing a plurality of optical-thin-film candidates having various transmission characteristics, measuring transmission characteristics of the plurality of optical elements, calculating a transmission characteristic of the projection optics supposing that a certain optical-thin-film candidate of the plurality of optical-thin-film candidates is formed on a surface of each of the optical elements, selecting an optical thin film to be formed on the surface of each of the optical elements from the plurality of optical-thin-film candidates based on the calculated transmission characteristic, and forming the selected optical thin film on the surface of each of the optical elements. | 02-12-2009 |
20090202712 | POLARIZED LIGHT-EMITTING FILM AND METHOD FOR PRODUCING THE SAME - A polarized light-emitting layer that comprises a porous silica film formed on a substrate and a conjugated polymer held in the uniaxially oriented, tubular mesopores in the porous silica film. The film can emit fluorescence polarized in a direction parallel to the alignment direction of the mesopores. The film can act as a lasing layer with a low excitation threshold. | 08-13-2009 |
20100028532 | LIGHT POLARIZING PRODUCTS AND METHOD OF MAKING SAME - Disclosed are novel light polarizing articles comprising a substrate, a light polarizing layer, an inorganic intermediate layer between the polarizing layer and the substrate, an optional inorganic sub-layer between the substrate and the inorganic intermediate layer, and a protective layer over the light polarizing layer, and method of making the same. Due to the presence of the inorganic intermediate layer and the optional sub-layer, adhesion of the polarizing layer is improved substantially. The light polarizing article has improved chemical, mechanical and thermal resistance. The light polarizing article can be used, for example, as ophthalmic products and in display devices. | 02-04-2010 |
20100104745 | PROCESS FOR PRODUCING POLARIZING ELEMENT - A process for producing a polarizing element which comprises steps of treating a mixture comprising (A) an alkoxysilane and/or a hexaalkoxydisiloxane, (B) water and (C) an alcohol by heating under a condition of at 40 to 120° C. for 0.5 to 24 hours to prepare a coating solution for an alignment film, coating a substrate with the coating solution for an alignment film prepared above to prepare a sol-gel film, treating the sol-gel film by abrasion in a uniaxial direction to form an alignment layer having marks of abrasion in the uniaxial direction, aligning a dichroic coloring agent on the formed alignment layer by deposition to form a polarizing layer, and forming a protective layer for fixing the coloring agent on the formed polarizing layer. A polarizing element can be produced in simple steps, and separation of the polarizing layer in the steps of the production can be prevented. | 04-29-2010 |
20100166950 | METHOD AND EQUIPMENT FOR PRODUCING AN OPTICAL PIECE - A method and equipment for producing an optical piece. The method comprises coating an optical work piece with at least one functional coating and dispensing the coating material onto the optical work piece by a microjet printer. Finally, a plural number of optical pieces are detached from the coated work piece. | 07-01-2010 |
20100227054 | METHOD OF MANUFACTURING POLARIZATION ELEMENT - A method of manufacturing a polarization element, adapted to form a film at least on a part of a surface of a plurality of convex sections provided to at least one surface of the substrate, includes: (a) depositing a first film material on the one surface of the substrate in a first direction to thereby form a first film on the convex section; and (b) depositing a second film material in a second direction different from the first direction to thereby form a second film on the convex section. | 09-09-2010 |
20100304019 | POLARIZING COATINGS HAVING IMPROVED QUALITY - A method for preparing a polarizing substrate comprising a dye layer in which the substrate is contacted with a first solution having a organic silane at a temperature greater than room temperature. | 12-02-2010 |
20110052802 | PROCESS FOR PRODUCING WIRE-GRID POLARIZER - Provided is a process for easily producing a wire grid polarizer showing a high polarization separation ability in the visible light region and having an improved transmittance in a short wavelength region. | 03-03-2011 |
20110070363 | PROCESS FOR PRODUCTION OF WATER-RESISTANT ORGANIC THIN FILM - There is provided a process for production of a water-resistant organic thin film without causing damage to the water-resistant organic thin film which comprises the steps of: (a) keeping supporting means away from an organic thin film; (b) preventing a base material on which the organic thin film is laminated from warping; and (c) allowing the base material on which the organic thin film is laminated to gently pass through a water-resistant treatment liquid in a reactor. | 03-24-2011 |
20110268874 | METHOD OF MANUFACTURING POLARIZING MEMBER - An aspect of the present invention relates to a method of manufacturing a polarizing member comprising: forming a polarizing film by coating a dichroic dye-containing solution on a substrate; subjecting the polarizing film that has been formed to a treatment to immobilize the dichroic dye in the film; coating a waterborne resin composition containing a resin component and a water-based solvent on the polarizing film after the immobilization treatment, and drying the composition to form a primer layer; and forming a functional film on the primer layer that has been formed; wherein after the immobilization treatment but before the coating of the waterborne resin composition, an article to be coated is subjected to heat treatment. | 11-03-2011 |
20110293822 | METHOD AND APPARATUS FOR PREPARING A POLARIZING DYE RECEIVING SURFACE - A method of preparing a polarizing dye receiving surface includes bringing the polarizing dye receiving surface into contact with a brushing surface of a brush pad carrying an abrasive material and brushing the polarizing dye receiving surface with the brushing surface in one or more brushing strokes. Each brushing stroke comprises effecting a unidirectional relative motion between the polarizing dye receiving surface and the brushing surface along a brushing path. The polarizing dye receiving surface is separated from the brushing surface after the brushing. | 12-01-2011 |
20120237674 | METHOD FOR PRODUCING POLARIZING ELEMENT - A method for producing a polarizing element includes the steps of : forming a coating film of a metal on a glass substrate; forming an island-shaped film composed of a metal halide on the glass substrate by partially removing the coating film and also halogenating the metal; forming needle-shaped particles of the metal halide by stretching the glass substrate through heating to elongate the island-shaped film; and forming needle-shaped metal particles composed of a metal by reducing the metal halide of the needle-shaped particles. | 09-20-2012 |
20120244279 | POLARIZER, METHOD OF MANUFACTURING POLARIZER AND LIQUID CRYSTAL PROJECTOR - A polarizer capable of being manufactured in simple steps, and a method of manufacturing the polarizer, as well as a liquid crystal projector are provided. The polarizer includes a substrate having light permeability, and a plurality of linear projections being arranged on the substrate and extending along one direction within a plane thereof. Each of the linear projections having a base layer and a plating layer in the named order from the substrate, the base layer containing a catalyst material for electroless plating process, and the plating layer being deposited by using the base layer as a catalyst. | 09-27-2012 |
20130017325 | POLARIZING ELEMENT AND METHOD FOR MANUFACTURING POLARIZING LENSAANM Watanabe; YoshifumiAACI TokyoAACO JPAAGP Watanabe; Yoshifumi Tokyo JPAANM Kuwamura; HiroshiAACI TokyoAACO JPAAGP Kuwamura; Hiroshi Tokyo JPAANM Shiraishi; ToshihiroAACI TokyoAACO JPAAGP Shiraishi; Toshihiro Tokyo JP - A method for manufacturing a polarizing lens that can form a uniform polarizing element on a curved surface of a lens base is provided. | 01-17-2013 |
20130040052 | PROCESS FOR PRODUCING WIRE-GRID POLARIZER, AND LIQUID CRYSTAL DISPLAY DEVICE - A process for producing a wire-grid polarizer; the wire-grid polarizer comprising: a light-transmitting substrate | 02-14-2013 |
20140044870 | MANUFACTURING METHOD OF LONG-SIZED CIRCULARLY POLARIZING PLATE - A long-sized circularly polarizing plate consisting of long-sized retardation film having slow axis in one of in-plane directions and long-sized polarizing film having absorption axis in one direction within range of 25° to 65° with reference to the slow axis is manufactured through steps of: step A for applying rubbing treatment to the retardation film being conveyed, in such a manner that bottom surface of the retardation film is supported with first guide roll and second guide rolled arranged further downstream of the first guide roll along conveying direction of the retardation film while top surface thereof is pushed with rubbing roll between the first guide roll and the second guide roll; and step B for forming the polarizing film by applying liquid crystalline solution containing dichroic material to the top surface of the retardation film subjected to the rubbing treatment at step A and aligning the dichroic material there. | 02-13-2014 |
20140065304 | METHOD FOR MANUFACTURING LONG LAMINATE FILM - Provided is a method for manufacturing a long laminate film having a uniform coating layer while suppressing wrinkling of the coating receiving surface of a long film used as a base film, | 03-06-2014 |
20140302235 | POLYMER WORKPIECE FOR FLOW COATING - A polymer workpiece is described. The workpiece has an upper main surface, a lower main surface, an injection-mold separating surface and a flow attack edge surface. The flow attack edge surface is formed in the region between the injection-mould separating surface and the lower main surface as a planar surface with an angle α with respect to the injection-mould separating surface of 20° to 70°, and/or deviates by an amount a from 0.0 mm to 0.5 mm from the planar surface. | 10-09-2014 |
20140370188 | Absorptive Polarizer and Production Method Therefor - The present invention relates to an absorptive polarizer and a method for manufacturing the same, and more particularly, to an absorptive polarizer which includes a nano-composite layer in which nanoparticles including a light absorptive element or an oxide or compound thereof are selectively contained in a block copolymer having a first block and a second block which are separately aligned therein, thereby exhibiting excellent durability even when it is exposed under hot and humid environments for a long time, and having polarization degree and transmittance substantially equal to or greater than those of any typical absorptive polarizer manufactured through drawing, as well as a method of easily preparing such an absorptive polarizer as described above at low production costs. | 12-18-2014 |
20150044363 | METHOD OF MANUFACTURING POLARIZING LENS - An aspect of the present invention relates to a method of manufacturing a polarizing lens, which comprises forming a polarizing layer comprising a dichroic dye on a lens substrate, and conducting an epoxysilane treatment to impregnate the polarizing layer with an epoxy group-containing silane coupling agent such that a rate of increase in a film thickness of the polarizing layer by the epoxysilane treatment is equal to or greater than 8 percent. | 02-12-2015 |
20160161795 | COATING DEVICE, METHOD OF MANUFACTURING DISPLAY SUBSTRATE USING THE SAME AND DISPLAY SUBSTRATE MANUFACTURED USING THE SAME - A coating device includes an upper stage, a lower stage and a spraying part. The upper stage masks an upper surface of a display panel. The lower stage masks a lower surface of the display panel. The spraying part sprays ink to a side surface of the display panel. The side surface of the display panel is exposed between the upper stage and the lower stage. The coating device includes the upper stage and the lower stage, so that the coating device may form a coating layer of uniform thickness by precisely spraying ink. In addition, a cross-section of the coating layer may be precisely formed having specific shape such as an L or C shape. A display apparatus having high light usage efficiency and reduced light leakage may be provided by using the coating device. | 06-09-2016 |
427163200 | Optical fiber, rod, filament, or waveguide | 45 |
20080220159 | Capillary transport of nanoparticles or microparticles to form an ordered structure - The present invention relates to a method of forming an ordered structure of nanoparticles or microparticles in a well utilizing capillary action. We have discovered that it is possible to achieve capillary transport of particles also by means of uncovered capillary channels that abut on a controlled atmosphere and provided a method of forming an ordered structure of particles in a well by bringing the particles into the well through a capillary channel that is partly defined by a controlled atmosphere. | 09-11-2008 |
20080268141 | Apparatus for forming a sheath over an elongate member, extruder system and method of manufacturing a fiber optic cable - An apparatus and a method for forming a sheath over an elongate member comprises an extruder that has an output to supply a melt material having a temperature. A heat exchanger connected downstream the output of the extruder removes heat from the melt material in a controlled manner. An elongate member, which may be a cable core, is supplied to a crosshead that is connected downstream the heat exchanger to surround the elongate member with a sheath of the melt material. | 10-30-2008 |
20080274273 | MANUFACTURING METHOD OF OPTICAL WAVEGUIDE - A method of manufacturing an optical waveguide which is capable of preventing upper portions of cores from bulging widthwise when the cores are made high. After coating the surface of an under-cladding layer ( | 11-06-2008 |
20080286456 | PROCESS FOR PRODUCING OPTICAL CONNECTOR, APPARATUS FOR PRODUCING THE SAME, AND PROCESS FOR FORMING POLYMER COATING - The present invention provides a process for producing an optical connector, an apparatus for producing the same, and a process for forming a polymer coating film on an end face of a fibrous dielectric, which can dispose a refractive index adjuster only onto an end face of an optical transmitting medium with excellent reproducibility. Such a process includes bringing an end surface of the optical transmitting medium close to an end face of a liquid refractive index adjuster, while charging at least one of the optical transmitting medium and the liquid refractive index adjuster, thereby adhering the liquid refractive index adjuster to the end face of the optical transmitting medium, and thereafter solidifying the adhered liquid refractive index adjuster to obtain the refractive index adjuster. | 11-20-2008 |
20080305255 | OPTICAL WAVEGUIDE COATING - A method of making a waveguide is disclosed. The method comprises providing an optical core having a first surface and a second surface, applying a cladding material to the first and the second surface of the optical core to form a first cladding layer on the first surface of the optical core and a second cladding layer on the second surface of the optical core, and applying a light absorbing composition including a light absorbing material and a first adhesive polymer on at least one of the first cladding layer and the second cladding layer to form a light absorbing layer. The first adhesive polymer is selected from the group consisting of urethane, epoxy, polyester, acrylic adhesives and mixtures thereof. | 12-11-2008 |
20090074959 | METHOD OF PRODUCING HERMETICALLY-SEALED OPTICAL FIBERS AND CABLES WITH HIGHLY CONTROLLED AND COMPLEX LAYERS - The present invention relates to a method and apparatus for coating an optical fiber. A polyethylenimine-based polymer deposition precursor that includes titanium is prepared. The optical fiber is coated with the precursor in a polymer coater, after which the coated optical fiber is heated in an ammonia oven. The method and apparatus can be used to coat optical fibers that contain a cladding or optical fibers that are already covered with one or more fibers in a temperature-resistant outer cladding. | 03-19-2009 |
20090148597 | THERMALLY STABILIZED WAVEGUIDES - An apparatus comprising a planar optical waveguide having an optical core and optical cladding next to the optical core. The optical core or cladding includes a plurality of particles therein. Each particle has a nucleus and polymeric molecules permanently bonded to the nucleus to form a shell. A plurality of nuclei are dispersed in said core or cladding. | 06-11-2009 |
20090186152 | Light Guide Plate and Manufacturing Method thereof - A manufacturing method of light guide plate (LGP) for manufacturing a LGP has a plurality of colloid dot like micro-optical structures on its surface. The method includes the following processes. First, a substrate with an embossing structure is provided. Then, a plurality of colloid dots are formed on a surface of the substrate by jetting. Afterwards, a drying process is performed to convert the colloid dots into the colloid dots like micro-optical structures. Finally, a LGP is manufactured by the manufacturing method. | 07-23-2009 |
20090202713 | METHOD OF MAKING A WAVEGUIDE AND A WAVEGUIDE MADE THEREBY - A method of making a waveguide, the method including depositing discrete units of optical core material in a pattern of the waveguide, and controlling the refractive index of the discrete units such that the refractive index of the waveguide varies along its length. | 08-13-2009 |
20090214769 | Accelerated aging of phosphorus-doped optical fibers - Adverse hydrogen aging limitations in multiply-doped optical fibers are overcome by passivating these optical fibers using a deuterium passivation process. This treatment essentially pre-reacts the glass with deuterium so that the most active glass sites are no longer available to react with hydrogen in service. Optical fibers of main interest are doped with mixtures of germanium and phosphorus. Optimum passivating process conditions are described. | 08-27-2009 |
20090238963 | PROCESS OF FORMING A DEFLECTION MIRROR IN A LIGHT WAVEGUIDE - A process of forming a deflection mirror in a light waveguide with a use of a dicing blade having a cutting end with a flat top cutting face and at least one slanted side cutting face. The process includes a cutting step of cutting a surface of the light waveguide to a depth not greater than a width of the flat top cutting face, thereby forming a groove in the surface of the light waveguide. The groove has a slanted surface which is formed by the slanted cutting face to define the deflection mirror in the waveguide. | 09-24-2009 |
20090324816 | Low Permeability Gas Recycling in Consolidation - Methods for recycling a low permeability gas such as krypton in the consolidation process of optical fiber manufacturing. The low permeability gas is sent to a purification unit or plant before being reutilized in the consolidation process. The low permeability gas can be used to produce holes or voids in a cladding region of an optical fiber preform. Upon drawing the optical preform into an optical fiber, the voids become elongated in the direction of draw. | 12-31-2009 |
20100196595 | METHOD AND APPARATUS FOR OPTICAL FIBER COLORING - An apparatus for coloring optical fibers, includes: a first reservoir for containing a natural coating material to be applied onto an optical fiber being drawn; a second reservoir for containing a colorant to be mixed with the natural coating material; a mixer in fluid communication with the first and second reservoirs to receive a first flow of natural coating material and a second flow of colorant and to mix the first and second flows to obtain a colored coating material; a coating die in fluid communication with the mixer to receive the flow of colored coating material and to apply it onto the optical fiber being drawn. A first gas pressure source is associated with the first reservoir, exerting on the natural coating material a first gas pressure variable as a function of at least one optical fiber drawing parameter, and a second gas pressure source is associated with the second reservoir, exerting on the colorant a second gas pressure variable as a function of at least one optical fiber drawing parameter. The first and second lines have relevant pressure drop in a ratio corresponding to the ratio of natural coating material and colorant providing the colored coating material. | 08-05-2010 |
20100260930 | DETACHABLE FRAMEWORK USED FOR WINDING OPTICAL FIBER COIL AND A METHOD OF PRODUCING OPTICAL FIBER COIL - A detachable framework used for winding optical fiber coils and a method of producing optical fiber coils with this framework. A framework with a suitable structure is designed considering comprehensively three factors, i.e., the window ratio of an optical fiber coil, the precision of an optical fiber gyro and the easy detachment of the framework from the optical fiber coil. A surface treatment with the framework is performed by coating a layer of thermosol on the surface of the framework so the optical fiber coil can be easily detached from the framework after curing. The required length of optical fiber is winded around the optical fiber coil framework, accompanying with vacuum pressure impregnating with curing adhesive after winding and optical fiber coil curing subsequently. The framework is taken off from the optical fiber coil under the heating circumstances, thereby completing production of the non-framework optical fiber coil. | 10-14-2010 |
20100330274 | Optical Waveguides Containing Quantum DOT Guiding Layers and Methods of Manufacture - Planar waveguides having quantum dots and methods of manufacture of the planar waveguide are described. | 12-30-2010 |
20110014367 | Epoxy Applicator with Temperature Control - The present disclosure relates to an epoxy applicator including an epoxy dispenser and a thermal pump. The epoxy dispenser includes an epoxy holding cavity that is cooled by the thermal pump via a thermal conduction member. A control system can regulate a temperature of the epoxy applicator and thereby regulate a temperature of uncured epoxy in the epoxy holding cavity. The present disclosure also relates to a syringe chiller for chilling a syringe. The syringe chiller includes a thermal conduction block adapted to thermally couple to and hold an exterior of the syringe. The syringe chiller also includes a Peltier effect device with a hot side and a cold side. The cold side of the Peltier effect device is thermally coupled to the thermal conduction block. The syringe chiller can include a control system to regulate a temperature of the syringe. | 01-20-2011 |
20110033614 | METHOD FOR MANUFACTURING OPTICAL WAVEGUIDE - An object is to manufacture an optical waveguide having low optical loss, by smoothing the surface of a core. To this end, a method for manufacturing an optical waveguide includes: a core-forming layer formation step of forming a core-forming layer of a photosensitive polymer on a surface of a lower cladding layer formed on a substrate; a smoothing step of smoothing the surface by lowering a surface viscosity thereof through a heat treatment of the core-forming layer; and a photocuring step of forming a core through selective exposure of the smoothed core-forming layer. | 02-10-2011 |
20110059236 | OPTICAL FIBER - The present invention provides an optical fiber superior in yellowing resistance. An optical fiber according to the present invention has a coating made from a UV curable resin formed on the outer surface of a bare optical glass fiber, and is characterized in that the coated material includes an unreacted photoinitiator in an amount of 2.4×10 | 03-10-2011 |
20110081481 | COATED OPTICAL FIBER PRODUCING APPARATUS AND COATED OPTICAL FIBER PRODUCING METHOD - The present invention relates to an apparatus and method of producing coated optical fiber in which polarization mode dispersion is sufficiently reduced by providing a sufficient amount of twist thereto. An upstream twisting inhibiting roller ( | 04-07-2011 |
20110097483 | METHOD FOR PRODUCING WATER-RESISTANT POLARIZING FILM - There is provided a method for producing a polarizing film having far superior water resistance to conventional polarizing films by contacting a liquid containing cationic polymers with a surface of a polarizing film. | 04-28-2011 |
20110135816 | Optical Fiber Assemblies, and Methods and Apparatus for the Manufacture Thereof - Methods for manufacturing cables and cables assemblies include providing particulate matter within a tube extruded about optical fiber. The particles may be accelerated so that as they strike the tube they mechanically attach to the tube. | 06-09-2011 |
20110206838 | OPTICAL WAVEGUIDE FOR TOUCH PANEL, TOUCH PANEL USING THE OPTICAL WAVEGUIDE AND MANUFACTURING METHOD OF THE OPTICAL WAVEGUIDE - An optical waveguide for a touch panel which eliminates the need for alignment between the optical waveguide and a lens and which achieves the appropriate emission and reception of light beams, to provide a touch panel using the optical waveguide, and to provide a manufacturing method of the optical waveguide for a touch panel. A total distance (L) which is the sum of a distance from the center of curvature of the first lens portion | 08-25-2011 |
20120003385 | METHOD OF MANUFACTURING OPTICAL WAVEGUIDE - A mold for the formation of an over cladding layer in an optical waveguide is integrally produced from a light-transmissive resin and a light-transmissive support plate by molding using a mold member identical in shape with the over cladding layer. In the production of the mold, a hollow resulting from the removal of the mold member serves as a cavity for the formation of the over cladding layer. For the formation of the over cladding layer, the cavity of the mold is filled with a photosensitive resin for the formation of the over cladding layer, and the photosensitive resin is cured by being exposed to light through the mold while cores formed in a pattern on a surface of an under cladding layer are immersed in the photosensitive resin. | 01-05-2012 |
20120034374 | EXTRUSION MATERIAL SUPPLY DEVICE AND OPTICAL TRANSMISSION BODY MANUFACTURING METHOD USING THE SAME - The invention provides an extrusion material supply device suitable for use in melt extrusion molding, and a method for manufacturing an optical transmission body, in which a deterioration of an optical signal transmission loss is extremely small, and productivity intrinsic to an extrusion molding method is provided in combination. An extrusion material supply device | 02-09-2012 |
20120045578 | METHOD FOR MANUFACTURING A PHOTONIC CRYSTAL DEVICE PROVIDED WITH A PLASMONIC WAVEGUIDE - A method for manufacturing a photonic crystal device provided with a plasmonic waveguide includes: preparing a membrane; applying, in a programmed manner, a focused ion beam on the membrane, in a manner such as to obtain a photonic crystal made up by a regular planar arrangement of through holes positioned according to a preset lattice and also comprising a resonant cavity. The method also provides a conic plasmonic waveguide at the resonant cavity, through chemical vapour deposition induced by a focused electron beam. The focused electron beam that induces la deposition is controlled in such a manner to gradually reduce the transverse section of the electron beam starting from the base up to the tip of the projecting structure, maintaining the position of the electron beam constant. | 02-23-2012 |
20120094020 | HYDROPHOBIC FLUORINATED POLYELECTROLYTE COMPLEX FILMS AND ASSOCIATED METHODS - A method for controlling the hydrophobicity of a surface of an article by alternately depositing solutions comprising net positively charged polymers and net negatively charged polymers onto the surface to form a polyelectrolyte film of an interpenetrating network of net positively charged polymers and net negatively charged polymers on the surface of the article. | 04-19-2012 |
20120107495 | OPTICAL WAVEGUIDE PRODUCTION METHOD - An optical waveguide production method is provided which reduces a transmission loss, improves alignment mark visual detectability, and ensures excellent productivity. In the optical waveguide production method, an under-cladding layer, a core and an alignment mark are formed on a surface of a metal substrate. On the other hand, a molding die is prepared which includes a cavity and an alignment mark to be associated with the alignment mark. In turn, light emitted from the side of the molding die is utilized for positioning the metal substrate and the molding die with reference to the pair of associated alignment marks. Then, an over-cladding layer is formed over the core. The alignment mark is formed from a photo-curable composition comprising the following components (A) and (B):
| 05-03-2012 |
20120156369 | METHOD OF FORMING OPTICAL COUPLER - Provided are methods of forming an optical coupler. The method includes forming a first waveguide and an in-plane tapered layer on a silicon layer, forming a mask with first and second openings. The first opening is formed between the in-plane tapered layer and the second opening, and the second opening extends from the first opening with a gradually narrowing width. Thereafter, a planar waveguide and a three-dimensional tapered layer are simultaneously formed in the first and second openings, respectively. The planar waveguide has a substantially uniform thickness, and the three-dimensional tapered layer has a thickness gradually increasing with a decrease of the width thereof. | 06-21-2012 |
20120315386 | INK-JET INK FOR COLOR FILTER AND METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARATION OF COLOR FILTER - The disclosure provides an ink jet ink for color filter and a method for preparing the same, as well as a method for preparing of a color filter. The ink jet ink for color filter comprising, by weight, 10 to 50 parts of aqueous nano pigment dispersion and 51 to 95 parts of a cold curing component. | 12-13-2012 |
20130029038 | METHOD OF MAKING A MULTIMODE OPTICAL FIBER - A method of making a multimode optical fiber is disclosed. In one embodiment the method includes calculating a core radius that maximizes the bandwidth of the multimode optical fiber wherein the effect of draw tension is accounted for. The embodiments herein illustrate how core radius can be tuned so the time delay of the outermost guided mode group is reduced. The resultant core radius may be targeted for a value off-nominal from what would be expected for a particular commercial optical fiber type. | 01-31-2013 |
20130034654 | METHOD FOR MAKING AN OPTICAL FIBER PREFORM - A method for the manufacture of an optical fiber preform for producing a low attenuation optical fiber with high yield, comprising preparing a core rod and adding a cladding region. At the step of preparing a core rod, the core rod is produced including a first core region with Cl density of less than 600 atm-ppm, a second core region with Cl density of less than 600 atm-ppm around the first core region, and a third core region with Cl density of 3000 atm-ppm or more around the second core region. An alkali metal is selectively added to the first core region among the first, second, and third core regions. A cladding region is formed around the core rod by heating at a temperature of 1200° C. or higher for 7 hours or less. | 02-07-2013 |
20130122194 | OPTICAL FIBER MANUFACTURING METHOD - A manufacturing method of one embodiment of the present invention comprises the step of ejecting liquid resin through a resin supply hose connected to a containing tank to a coating device, and causing the coating device to apply the liquid resin to an optical fiber to form a coating layer. Before the step of forming the coating layer, this manufacturing method comprises the steps of: causing the liquid resin to be ejected through the resin supply hose to a cup which is different from the coating device, to measure an ejection amount of the liquid resin; and determining whether the measured ejection amount of the liquid resin is within an acceptable range or not. Then, the step of forming the coating layer is performed when it is determined, as a result, that the measured ejection amount of the liquid resin is within the acceptable range. | 05-16-2013 |
20130136857 | METHOD AND APPARATUS FOR RECOATING AN OPTICAL FIBER HAVING A NON-UNIFORM DIAMETER - An optical fiber recoating apparatus employs a variable size applicator for depositing a coating material in liquid form onto a portion of varying diameter optical fiber. The coating material is applied to the variable size applicator which is in continuous contact about the circumference of the optical fiber. At a constant speed the variable size applicator moves along the length of the optical fiber while simultaneously changing size to conform to the varying diameter of the optical fiber for applying a uniform coating thereto. | 05-30-2013 |
20130183440 | OPTICAL WAVEGUIDE-TYPE WAVELENGTH DISPERSION COMPENSATION DEVICE AND MANUFACTURING METHOD THEREOF - The optical waveguide-type wavelength dispersion compensation device of the present invention has an optical waveguide as a reflection-type wavelength dispersion compensation device. The equivalent refractive index of a core changes unevenly along a light propagation direction by changing physical dimensions of the core that is embedded in. a cladding. The core is designed by (a) setting a first desired reflection spectrum, ignoring transmission losses of the optical waveguide, and designing an optical waveguide that is capable of compensating the wavelength dispersion of an optical fiber to be compensated; (b) deriving a wavelength dependency characteristic of a transmission loss amount of the optical waveguide from an effective length of the optical waveguide designed in process (a); and (c) adding a reverse dependency characteristic of the wavelength dependency characteristic to the first reflection spectrum to correct it to a second reflection spectrum, and redesigning an equivalent refractive index distribution of the optical waveguide designed in the process (a) by using this second reflection spectrum. | 07-18-2013 |
20130230650 | METHOD FOR MANUFACTURING OPTICAL PRINTED CIRCUIT BOARD - A method for manufacturing an optical printed circuit board (OPCB) includes: providing a substrate having a loading surface; forming a first cladding solvent layer on the loading surface by a spin coating method; solidifying the first cladding solvent layer to form a first cladding layer; forming a core solvent layer on the first cladding layer through the spin coating method; solidifying the core solvent layer to form a core layer; forming optical waveguide patterns on the core layer by a roller pressing method; forming a second cladding solvent layer on the core layer through the spin coating method; and solidifying the second cladding solvent layer to form the second cladding layer. | 09-05-2013 |
20130243949 | Modular Method of Making Single Mode Optical Fibers - Described is a modular method of making an optical fiber comprising a core and a cladding configured to support and guide a fundamental transverse mode, the cladding including (i) an outer cladding having an index n | 09-19-2013 |
20130273240 | Optical Mode Conversion Using Intermodal Cherenkov Radiation - Embodiments of the present invention generally relate to laser combiners, and more specifically, to all-fiber devices that combine optical laser power from multiple separate sources such as lasers or amplifiers. In one embodiment, a method of manufacturing a combiner device comprises: positioning an plurality of fibers into a bundle of fibers; drawing the bundle of fibers to create a tapered section, the tapered section having a first outer diameter at an input end, a second outer diameter at an output end, and a taper ratio of at least three; wherein at least one of the fibers of the bundle of fibers comprises an optical waveguide configured for propagating an optical mode from the input end to the output end, and wherein a mode field diameter of the optical mode at the input end is substantially the same as the mode field diameter at the output end. | 10-17-2013 |
20130309398 | METHOD FOR EXTRUSION-MOLDING LOOSE TUBE AND APPARATUS THEREFOR, AND LOOSE TUBE - An apparatus with: an extrusion head with a tip and a die concentrically arranged therewithin and extrudes a tube between the tip and the die; a needle that feeds at least one optical fiber and filler to be filled around the optical fiber into the tube being extrusion-molded; and a cylindrical bundling member provided within the needle. The bundling member has a bundling hole smaller than an inner diameter of the tube at a center thereof and into which the optical fiber can pass through, and a flow pass penetrating along a feeding direction of the filler between the bundling hole and an inner circumferential surface of the needle. In a method using the apparatus, the optical fiber is passed through a bundling hole to be bundled at a center of the tube. The filler is passed through a flow path to be filled around the optical fiber. | 11-21-2013 |
20130323414 | ACCELERATED AGING OF PHOSPHORUS-DOPED OPTICAL FIBERS - Adverse hydrogen aging limitations in multiply-doped optical fibers are overcome by passivating these optical fibers using a deuterium passivation process. This treatment essentially pre-reacts the glass with deuterium so that the most active glass sites are no longer available to react with hydrogen in service. Optical fibers of main interest are doped with mixtures of germanium and phosphorus. Optimum passivating process conditions are described. | 12-05-2013 |
20140023780 | METHOD AND DEVICE FOR CREATING LIGHT GUIDE PLATE - A light guide plate having a different color temperature can be created easily. The inkjet printer includes a white ink supply section including ink tanks for storing a plurality of types of white inks determining the color temperature of the light guide plate, respectively. The respective print heads are connected to the respective ink tanks so that the respective print heads can eject white inks of types different from one another. A data table is provided that sets various printing conditions determining the color temperature of the light guide plate. Based on the data table, the printer drives, based on selected printing conditions, and forms the reflection printing on the light guide plate to create a light guide plate having a color temperature corresponding to printing conditions selected based on one type of white ink or a combination of a plurality of types of white inks. | 01-23-2014 |
20140106067 | DISTRIBUTED LIGHTING ASSEMBLY - The lighting assembly ( | 04-17-2014 |
20150147467 | APPARATUS AND METHOD FOR APPLICATIONS OF OPTICAL FIBER COATINGS - One embodiment of the disclosure relates to a fiber coating apparatus having a fiber entrance opening, a conical section with walls tapered at half angles between 2 and 25° and height (also referred to as length herein) L | 05-28-2015 |
20150293320 | MULTIFIBER SUBUNIT CABLE - A method of making a subunit cable includes providing at least two subunits along a process direction, each subunit comprising a plurality of optical fibers, compressing the subunits so that at least one of the subunits has a cross-section with a minor outside dimension and a major outside dimension, and the ratio of the minor dimension to the major dimension is less than 0.9, and extruding a subunit cable jacket around the subunits, wherein the subunits are compressed within the subunit cable jacket. | 10-15-2015 |
20160130180 | PROCESS AND APPARATUS FOR MANUFACTURING BLOWN OPTICAL FIBRE UNITS - A process for manufacturing an optical fibre unit for air-blown installations includes: providing a deposition chamber for applying particulate material, the deposition chamber having an inlet end and an outlet end and a longitudinal axis; passing through the deposition chamber an optical fibre assembly including at least one optical fibre embedded in an inner layer of cured resin material, and having an outer layer around the inner layer, the outer layer including uncured resin material; injecting a flow of fluid and particle material in the chamber in a direction substantially parallel to the chamber longitudinal axis, at an injection speed of 5 m/s at most; perturbing the flow when in the chamber, thus causing the particle material to impact and partially embed into the outer layer of the optical fibre assembly; and curing the outer layer. | 05-12-2016 |
20160159000 | METHOD OF MAKING ADHESION BETWEEN THERMOSET AND THERMOPLASTIC POLYMERS - A compact method for forming strong hermetic bonds and seals. Such bonds are made simply and with no intervening adhesives, by directly melting a thermoplastic polymer against or between two surfaces of thermoset materials. | 06-09-2016 |
427163300 | Projection screen | 3 |
20080233281 | PROCESS FOR PRODUCING AN OPTICAL ELEMENT - A composition for an aligning film that may have significantly improved adhesion to an optical functional layer (a liquid crystal layer), may significantly improve the alignment of a liquid crystalline compound, and may have excellent durability. The composition for an aligning film is used in a process for producing an optical element which includes a plastic support and, providing on the surface of the plastic support in the following order, an aligning film, and at least one optical functional layer containing a liquid crystalline compound composition. The composition can include A) a nonionic water-soluble etherified polysaccharide and B) water and/or a lower alcohol solvent. | 09-25-2008 |
20090297703 | INDUCED PHASE COMPOSITE TRANSPARENT HARD COATING - A method of forming a protective layer on a substrate ( | 12-03-2009 |
20120237675 | Polarization preserving projection screen with engineered particle and method for making same - Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises embossing at least a first side of a first substrate to produce an optically functional material and then cutting the optically functional material into pieces to produce a plurality of engineered particles. The plurality of engineered particles may then be deposited on a second substrate to produce a substantially homogeneous optical appearance of the projection screen. | 09-20-2012 |
427163400 | Retroreflector (e.g., light reflecting small spherical beads, etc.) | 7 |
20080206458 | METHOD FOR PRODUCING ANTI-GLARE FILM - A method for producing an anti-glare film includes applying a coating composition including at least a resin, a solvent, and fine particles to a substrate; drying the coating composition applied to the substrate so that a Benard cell structure is formed in the surface of the coating layer due to convection caused during volatilization of the solvent; and curing the resin contained in the coating composition having formed therein a Benard cell structure to form an anti-glare layer having fine irregularities with a moderate surface waviness. The anti-glare layer has a degree of white muddiness of 1.7 or less, as measured by quantitatively determining a diffuse reflection component of the diffused light incident upon the surface of the anti-glare layer. | 08-28-2008 |
20110027474 | Reflecting screen, method of manufacturing the same, and reflection-type projection system - A reflecting screen | 02-03-2011 |
20110045176 | Colorized Retroreflective Material and Method - A colorized retroreflective materials for use on clothing are colorized by including a substantially transparent colorizing overlayer composition applied to a retroreflective layer, the overlayer further comprising an amount of a suitable pigmented ink; an amount of at least one species of polyurethane material; and an amount of a silane material. | 02-24-2011 |
20110159179 | Metallized Retroreflective Sheeting with Increased Daytime Brightness - A retroreflective sheeting ( | 06-30-2011 |
20120295020 | Optical Member and Preparation Method Thereof - The present invention relates to a preparation method of an optical member, comprising the following steps: coating a a mixture of methyl methacrylate (MMA) and a light diffuser on one surface of a substrate comprising poly methyl methacrylate (PMMA) by a predetermined pattern; polymerizing the coated methyl methacrylate into poly methyl methacrylate to form semi-cured polymethyl methacrylate; and completely curing the semi-cured polymethyl methacrylate, and an optical member prepared thereby. | 11-22-2012 |
20130108784 | COLORIZED RETROREFLECTIVE MATERIAL AND METHOD | 05-02-2013 |
20140255602 | METHOD AND SYSTEM FOR FORMING A REFLECTIVE SURFACE - The method and system of the present invention involves coating a substrate or material with both a polymeric powder coating material and a retro-reflective material and finally applying a surface treatment of hydrophobic nano-molecular particles. The polymeric powder coating material provides a tough, corrosion resistant protective layer on the substrate and also acts as a binder in which the retro-reflective material is subsequently embedded. | 09-11-2014 |