Entries |
Document | Title | Date |
20080290534 | OPHTHALMIC LENS MOLD SURFACE ENERGY DIFFERENTIAL - This invention discloses improved mold parts fashioned from a thermoplastic resin compounded with an additive to reduce the surface energy of the mold part. The mold parts can be used in manufacturing processes, such as, for example: continuous, in-line or batched processes of ophthalmic lens molds. | 11-27-2008 |
20090032987 | Methods of forming a lens master plate for wafer level lens replication - Methods of forming a lens master plate. In one embodiment, a substrate is coated with a polymer material layer. Isolated sections are formed in the polymer material layer. The isolated sections are formed into lens shapes using a lens master. | 02-05-2009 |
20090051059 | METHODS FOR FORMATION OF AN OPHTHALMIC LENS PRECURSOR AND LENS - This invention discloses methods for generating one or both of an ophthalmic lens precursor with at least a portion of one surface free-formed from a Reactive Mixture. In some embodiments, an ophthalmic lens precursor is formed on a substrate with an arcuate optical quality surface via a source of actinic radiation controllable to cure a definable portion of a volume of Reactive Mixture. | 02-26-2009 |
20090152749 | METHOD FOR EVAPORATING IR CUT-OFF FIRM UPON A PLASTIC OPTICAL LENS - A method for evaporating an IR cut-off firm upon a plastic optical lens with control of ion gun and electronic gun; wherein: retaining a plastic optical lens at a normal temperature without heating; controlling a power of an ion gun to be between 350 W to 850 W in evaporating a film of high refraction coefficient; and a power of an ion gun to be below 500 W in evaporating a film of low refraction coefficient. in evaporating process, the temperature of the plastic optical lens is controlled to be between 80° C.˜150° C. so that no deformation occurs. A plastic optical lens is as a substrate and ion gun and electronic gun use as assistant in evaporation so as to have the effect of evaporating more layers upon the plastic optical lens. | 06-18-2009 |
20090160074 | Method for making contact lenses - The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids. | 06-25-2009 |
20090179340 | Lens molds with coating - The present invention generally relates to a contact lens forming mold and to a method of producing contact lenses with higher production yield and improved quality. By coating a contact lens forming mold with a nano-structured fluorine-containing inorganic polycondensate coating solution the number of lens holes, such as voids or areas of non uniform thickness of a contact lens therein produced is substantially decreased. | 07-16-2009 |
20090189302 | METHOD FOR MANUFACTURING MICROLENS AND METHOD FOR MANUFACTURING SOLID-STATE IMAGE SENSOR - A method for manufacturing a microlens includes forming a microlens by pressing a microlens mold having a reverse shape of a microlens formed therein on a microlens-forming film formed on a substrate to transfer the reverse shape of the microlens to the microlens-forming film. The microlens mold is formed by irradiating an inorganic resist film which is formed on a mold substrate with exposure light by relative two-dimensional scanning, and etching an exposed region of the inorganic resist film to form the reverse shape of the microlens. The irradiation intensity of the exposure light is adjusted to correspond to the depth of the reverse shape of the microlens from the surface of the inorganic resist film on the basis of profile data of the reverse shape of the microlens. | 07-30-2009 |
20090194892 | METHOD OF MANUFACTURING OPTICAL COMPONENTS - A method of manufacturing an optical component is provided. The method comprises steps of providing a first liquid; providing a fluid, disposed above the first liquid, wherein an interface exists between the first liquid and the fluid; providing a polymer precursor at the interface; and solidifying the polymer precursor so as to form the optical component made by a polymer. | 08-06-2009 |
20090206498 | ENERGIZED BIOMEDICAL DEVICE - This invention discloses methods and apparatus for providing a biomedical device, such as an ophthalmic lens with an energy receptor capable of powering a processing device. | 08-20-2009 |
20090212450 | Method of manufacturing contact lens material and method of manufacturing soft contact lens - Provided is a contact lens material having a smooth surface with good water wettability and durability. In the method of manufacturing a contact lens material comprising a contact lens base material and a coating formed on at least a portion of a surface of the above base material, the contact lens base material is processed by plasma polymerization in a mixed gas atmosphere of methane and moist air, and then treated with plasma in a nonpolymerizable gas atmosphere to form the above coating. Further provided is a method of manufacturing a soft contact lens wherein water is introduced into the contact lens material manufactured by the above method to obtain a soft contact lens. | 08-27-2009 |
20090243125 | METHODS AND APPARATUS FOR INK JET PROVIDED ENERGY RECEPTOR - This invention discloses methods and apparatus for providing a biomedical device, such as an ophthalmic lens with an energy receptor capable of powering a processing device. The energy receptor can include a conductive material deposited onto a media and placed within a mold used to form the biomedical device. In some embodiments, the conductive material is ink jetted onto the media. | 10-01-2009 |
20090267247 | METHOD FOR MANUFACTURING LENS - An exemplary a method for manufacturing a lens is provided. In the method, a first lens preform and a second lens preform is formed. The first lens preform includes a first surface and an opposite second surface. The second lens preform includes a third surface and an opposite fourth surface. An oxygen plasma is applied to the second and fourth surfaces so as to form a number of groups capable of being irreversibly bonded. The second surface is contacted with the fourth surface. The groups capable of being irreversibly bonded take place an irreversible bonding reaction to chemically combine the second and fourth surfaces, thereby obtaining a double sided lens preform. The double sided lens preform is diced into a number of double side lenses. | 10-29-2009 |
20090315200 | METHOD FOR MAKING LENS ARRAY - A method for making a lens array, is provided. The method includes: providing a mold core having a plurality of molding surfaces to form the optical surfaces of the lenses; applying a molding material on the mold core; placing a transparent sheet on the molding material and pressing the molding material toward the molding surfaces of the mold core, the transparent sheet having a smooth surface for contacting the molding material; applying a given light beam onto the transparent sheet to solidify the molding material beneath the transparent sheet; and removing the mold core and the transparent sheet to obtain a lens array. | 12-24-2009 |
20090321970 | OPHTHALMIC LENS MOLDS PARTS WITH SILOXANE WAX - This invention discloses improved mold parts for ophthalmic lenses fashioned from a thermal plastic resin compounded with a siloxane wax resulting in a thermal plastic compound with a deionized water contact angle that is greater than the deionized water contact angle of the pure thermal plastic resin. The mold parts can be used in manufacturing processes, such as, for example: continuous, in-line or batched processes. | 12-31-2009 |
20100109175 | PROCESSOR CONTROLLED OPHTHALMIC DEVICE - This invention discloses methods and apparatus for providing a media insert with a Data Processor into an ophthalmic lens. An energy source is capable of powering the Data Processor included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel. | 05-06-2010 |
20100133710 | BIOMEDICAL DEVICES CONTAINING INTERNAL WETTING AGENTS - This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer. | 06-03-2010 |
20100181691 | METHOD OF MOLDING, PROCESS FOR PRODUCING LENS, MOLDING APPARATUS, PROCESS FOR PRODUCING STAMPER, MASTER PRODUCTION APPARATUS, STAMPER PRODUCTION SYSTEM, AND STAMPER PRODUCTION APPARATUS - Molded articles, such as a lens, are produced by multiple repetitions of a transfer process composed of the transformation step of bringing a transfer member ( | 07-22-2010 |
20100230837 | Release aids for releasing silicone hydrogel ophthalmic lenses - This invention includes methods and systems for processing hydrogel biomedical devices, such as ophthalmic lenses using polyethylene glycol to facilitate release of the devices from a mold part. | 09-16-2010 |
20100270691 | METHOD FOR MANUFACTURING LENS ASSEMBLY - A method for manufacturing a lens assembly includes the below steps. Firstly, a lens having an optical central portion and an annular connecting portion having a first surface is provided. Secondly, a filter comprising a glass substrate and a filter film formed thereon is provided, the glass substrate has a second surface. Thirdly, the first surface and the second surface are treated with oxygen plasma to improve a hydrophilic property thereof. Fourthly, the filter is positioned on the annular connecting portion, the first surface is in contact with the second surface, and a lens assembly comprising the lens and the filter is obtained. | 10-28-2010 |
20100276823 | METHOD FOR MAKING CONTACT LENSES - The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids. | 11-04-2010 |
20100276824 | METHOD FOR MAKING CONTACT LENSES - The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids. | 11-04-2010 |
20110006447 | Method for Producing Hybrid Optical Element Grouping - A method for producing a hybrid optical element grouping, wherein a molding die excellent in durability and mold releasing property is used to produce high quality plastic lenses having no strain. This method for producing a hybrid optical element grouping is a method for producing a hybrid optical element grouping comprising a flat glass plate and, disposed thereon, plural optical members formed from an actinic radiation curable resin. The method is characterized by applying the actinic radiation curable resin to a plastic molding die having plural cavities having shapes corresponding to the optical members to fill the cavities with the resin, disposing the flat glass plate on the resin, and irradiating the resin with light from at least one of the molding die side and the flat-glass-plate side to cure the actinic radiation curable resin packed in the molding die. | 01-13-2011 |
20110037184 | Method of Producing Intraocular Lens - To provide a manufacturing method of an intraocular lens wherein by using a mold having an optical part molding part for forming a member becoming the optical part by molding, and a support part molding part for forming a member becoming the support part by molding, in which the front optical surface and the rear optical surface can be directly obtained by molding the optical molding part, and the support part can be obtained by applying a additional machining to the member obtained by molding, the method comprises the steps of: injecting a raw material of an intraocular lens into the mold, then polymerizing and hardening the raw material, then machining the member becoming the support part into a shape of the support part in a state that at least the front optical surface and the rear optical surface in the polymerized or hardened members are covered with the optical part molding part of the mold, and releasing the optical part molding part from the mold. | 02-17-2011 |
20110057336 | CONTROL OF SURFACE ROUGHNESS AND PATTERNS BY LIGHT ORIENTATION - A method of forming an optical device having secondary surface features thereon includes disposing a photopolymerizable material between a first substrate and a second substrate such that a rear surface of the photopolymerizable material contacts the first substrate and a front surface of the photopolymerizable material contacts the second substrate, the first substrate being a compliant substrate; and irradiating the photopolymerizable material from the front surface thereof using collimated light so as to induce at least partial polymerization of the photopolymerizable material, wherein the secondary surface features are formed at the rear surface of the photopolymerizable material. | 03-10-2011 |
20110074055 | DEVICE AND METHOD FOR FORMING LENS - In order to realize a device and a method each capable of forming a lens with high accuracy and low costs, a lens forming device of the present invention includes a metal mold, an insulating substrate, a stage, a power source, a switch, and a UV radiating device. Dielectric resin is supplied onto the insulating substrate and a transfer surface of the metal mold is pressed to the dielectric resin so as to transfer a lens shape to the dielectric resin. At that time, the power source applies a voltage on the metal mold to generate an electric field between the metal mold and the insulating substrate so that an electrostatic attraction causes the dielectric resin to be attracted toward the transfer surface of the metal mold while the top of the dielectric resin has a sharp cuspate shape. Consequently, bubbles are less likely to be invade between the transfer surface and the dielectric resin, allowing transferring a highly accurate lens shape to the dielectric resin. | 03-31-2011 |
20110101551 | Method for manufacturing lens used in camera module - The present invention provides a method for manufacturing a lens used in a camera module including the steps of: preparing a preform for manufacturing a lens; forming a front lens on a front surface of the preform; and forming an array lens by forming a rear lens on a rear surface of the preform during the formation of the front lens. | 05-05-2011 |
20110204531 | Method of Manufacturing Wafer Lens - Provided is a method of manufacturing a wafer lens in which the surface configuration of the lens section can be transferred with high precision. The method possesses a step of preparing a molding die having plural molding surfaces corresponding to an optical surface configuration of the optical member; a filling step of filling the photo-curable resin in between the surface of the substrate and the molding surface of the molding die; a photo-curing step of exposing the photo-curable resin to light to accelerate curing; a heating step of conducting a heat treatment for the photo-curable resin having been cured in the photo-curing step; and a releasing step of releasing the molding die from the photo-curable resin after conducting the heating step, and further comprises a step of conducting a post-cure treatment for the optical member. | 08-25-2011 |
20110248415 | PROCESS FOR MANUFACTURE OF A THERMOCHROMIC CONTACT LENS MATERIAL - Disclosed in this specification is a process for manufacturing a thermochromic contact lens. The process includes (1) selecting a photoinitiator that absorbs at a first wavelength and at least one thermochromic dye that displays substantial absorption at the first wavelength when the dye is at a first temperature and exhibits at least an 80% reduction in absorbance at the first wavelength at a second temperature, (2) maintaining the reaction mixture at the second temperature and (3) providing cure light that includes the first wavelength. | 10-13-2011 |
20110278750 | Method for Producing Wafer Lens and Apparatus for Producing Wafer Lens - Disclosed are a method for producing a wafer lens and an apparatus for producing the same, wherein a high precision wafer lens is obtained easily. Specifically disclosed is a method for producing a wafer lens in which at least one surface of a glass substrate is provided with a lens part that is formed of photocurable resin. The method comprises in order: a dispensing step wherein photocurable resin is dispensed to a mold having a surface of a negative shape corresponding to an optical surface shape of the lens part; an imprinting step wherein the resin and the glass plate are pressed against each other; an exposure step wherein the resin is irradiated with light; and a releasing step wherein the mold is separated from the glass substrate, wherein the pressure is reduced in at least a part of the dispensing step, imprinting step, exposure step and the releasing step. | 11-17-2011 |
20120018911 | Optical device and deflector formation process - The Optical Device and Deflector Formation Process is a process where a non-permanent optical device or deflector is created: (1) within a medium by sources of energy that disrupts the properties of the media in a volume within a media; (2) within a vacuum or media by sources of energy that introduce specific aligned energies in the vacuum or media in a volume within a vacuum or media; or in combination of (1) and (2). A created Optical Device or Deflector is not contained within any boundaries that are composed of a media that is different from the media that surrounds the optical device or deflector. The process indicated in (1) consists of secondary and tertiary sources of energy: where the secondary sources can affect the energy, energy state and/or the orientation of specific molecules or particles, and tertiary sources are similar to secondary sources, however, makeup for deficiencies the secondary sources could not provide. The process indicated in (2) consists of secondary sources that introduce a specific array of arrays of energies that become the optical device or deflector, where tertiary sources may not be necessary unless they are assisting the secondary sources. The term “primary source” is reserved for waves, particles, molecules or objects that are deflected or affected by the created device. The optical device, in summary, causes a change in the primary sources momentum of particles, molecules, objects or waves when passing through or deflected from the optical device or deflector, respectively. | 01-26-2012 |
20120032363 | GLARE REDUCING ROUGH SURFACES - An intraocular lens for insertion into a capsular bag in order to focus incoming light toward a retina and process for manufacturing thereof along with concomitant reduced glare and improved vision provides for a center lens portion of a lens for focusing incoming light toward the retina and the surrounding lens portion for mounting the lens within the capsular bag. A surface roughness disposed on the surrounding lens portion is provided for reducing the glare due to non-focused light directed toward the retina from the intraocular lens with the roughness having a roughness level of between about Ra 45 and about Ra 350. | 02-09-2012 |
20120043678 | Color Filterless Display Device, Optical Element, and Manufacture - A method of forming an optical element for a color display device includes forming a lens shaped die, coating a low refractive index photo-setting resin on the lens shaped die, pasting the lens shaped die to a substrate, and irradiating the coated low refractive index photo-setting resin so as to set the low refractive index resin and form a low refractive index layer. The lens shaped die is removed from the low refractive index layer set on the substrate, a high refractive index photo-setting resin is coated on the low refractive index layer by use of a planarizing die, and the coated high refractive index photo-setting resin is irradiated so as to set the high refractive index resin and form a high refractive index layer. The planarizing die is then from the high refractive index layer set on the low refractive index layer. | 02-23-2012 |
20120061864 | METHOD FOR MANUFACTURING LENS, APPARATUS FOR MANUFACTURING LENS, AND METHOD FOR MANUFACTURING OPTICAL APPARATUS - A method for manufacturing a lens having a refractive index distribution includes: a step of contacting a monomer with a structural member of a polymer, the monomer and a material obtained by polymerization of the monomer showing refractive indices which are different from the refractive index of the polymer; a step of diffusing the contacted monomer in the structural member; and a step of polymerizing the monomer. In the step of diffusing the contacted monomer in the structural member, the method further includes the steps of: irradiating light on at least 50% of one of the surfaces of the structural member which is parallel to the diffusion direction of the monomer, and measuring the intensity of the light passing through the structural member in a predetermined region, and when the measured intensity of the light reaches a predetermined value, the step of polymerizing the monomer is started. | 03-15-2012 |
20120061865 | METHOD OF MANUFACTURING OPTICAL COMPONENT AND APPARATUS FOR MANUFACTURING OPTICAL COMPONENT - A method of manufacturing an optical component includes, bringing a mold including at least one portion made of an infrared transmitting material into tight contact with a substrate, heating the substrate by irradiating the substrate with an infrared ray in a state that a gap is present between the substrate and the mold, and placing the mold and the substrate into tight contact with each other. | 03-15-2012 |
20120068370 | Method for Producing Wafer Lens, and Method and Apparatus for Producing Wafer Lens Laminate - Disclosed is a method for producing a wafer lens, wherein misalignment between a glass substrate and a molding mold is suppressed from occurring. The method for producing a wafer lens comprises: a step wherein, in a first reduced pressure atmosphere, an energy-curable resin is arranged between a glass substrate ( | 03-22-2012 |
20120112373 | METHOD FOR MAKING CONTACT LENSES - The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a Butylated Polyvinylpyrrolidone into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 20% in comparison with that without the Butylated Polyvinylpyrrolidone. | 05-10-2012 |
20120133064 | SYSTEMS AND METHODS FOR THE PRODUCTION OF CONTACT LENSES - An apparatus for spin casting lenses includes a rotatable tube, the rotatable tube defining a longitudinal cavity, wherein the longitudinal cavity is configured to receive molds. According to one exemplary embodiment, the rotatable tube is made of metal and includes a plurality of apertures configured to permit the transmission of actinic radiation. | 05-31-2012 |
20120139137 | LENS MOLDS HAVING ATMOSPHERIC PLASMA COATINGS THEREON - The invention provides a method of making ophthalmic lenses with an enhanced quality and enhanced yield achieved by reducing mold separation force and lens-mold adhesion. The method comprises the steps of generating an atmospheric plasma flow from a working gas and controlling the continuity of the atmospheric plasma flow with a power generator, and, introducing the atmospheric plasma flow to a molding surface of a mold for making an ophthalmic lens (preferably contact lens, more preferably a silicone hydrogel contact lens) and increasing the surface hydrophobicity of the molding surface of the mold and thereby to reduce a mold separation force after molding a lens formulation in the mold. | 06-07-2012 |
20120139138 | METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES - The invention provides a method for washing, with a water-based system, reusable molds for making silicone hydrogel contact lenses. The water-based washing system comprises an ethoxylated silicone polyether surfactant. The water-based system of the invention can effectively wash away silicone-containing components and other components of a lens formulation left behind on the molding surfaces of a reusable mold, after removing a silicone hydrogel contact lens cast molded in the reusable mold. | 06-07-2012 |
20120153516 | Production Method of Wafer Lens - The aim is to regulate thickness on the optical axis in the production of wafer lenses. Disclosed is a wafer lens production method that is equipped with a dispensing process for dropping resin onto a molding die ( | 06-21-2012 |
20120175796 | Method and Apparatus for Producing a Structure, Molding Tool - A method of producing a structure from curable material by molding includes arranging a molding tool above a surface, so that in a region between the molding tool and the surface, the curable material adjoins the surface and a molding face of the molding tool which faces the surface, and so that additional curable material may continue to flow into the region. The method further includes irradiating the curable material in the region in a locally varying manner, so that the curable material cures at different speeds in a laterally varying manner and that shrinkages occurring during curing of the curable material are compensated for by the additional curable material. The method further includes applying a constant pressure to the additional curable material. Moreover, a second method and an apparatus for producing a structure from curable material by molding and a molding tool for an optical component are described. | 07-12-2012 |
20120187589 | FREE FORM LENS WITH REFRACTIVE INDEX VARIATIONS - This invention provides for method of forming an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with one or more areas of different refractive indexes and a surface with one or both of a raised area and a depressed area. | 07-26-2012 |
20120199995 | APPARATUS AND METHOD FOR FORMATION OF AN ENERGIZED OPHTHALMIC DEVICE FOR LIGHT THERAPY - This invention discloses methods and apparatus for providing an ophthalmic lens with light source capable of providing specific bandwidths of light to an eye of a wearer. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and an energy source and light source encapsulated within the ophthalmic lens. | 08-09-2012 |
20120205826 | OPTICAL MOLDING APPARATUS AND OPTICAL MOLDING METHOD - An optical molding apparatus that molds a three-dimensional model by stacking cured layers. Each cured layer is formed by emitting light according to cross-sectional-shape data of the three-dimensional model onto a surface of photo-curable resin. The optical molding apparatus includes a container that contains the photo-curable resin, a movable stage that is movable in a direction orthogonal to the surface of the photo-curable resin, an optical system that emits the light onto the surface of the photo-curable resin contained in the container so as to form each cured layer on the movable stage, and a discharging mechanism that performs a discharging operation for discharging new photo-curable resin onto a surface of each cured layer formed on the movable stage before stacking a subsequent cured layer. | 08-16-2012 |
20120223449 | TRANSPARENT ALUMINA CERAMICS WITH ORIENTED GRAINS AND PREPARATION METHOD THEREOF - A kind or transparent alumina ceramics is disclosed herein, the optical axes of all or part or the crystal grains of the transparent alumina ceramics are arranged in a direction, which makes the transparent alumina ceramics have orientation. | 09-06-2012 |
20120261846 | LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A polymerizable compound in a liquid crystal composition is polymerized in a state that liquid crystal molecules present in a gap between a pixel electrode and at least either one of signal electrodes and scanning electrodes are tilted in a direction from the at least either one of the signal electrodes and the scanning electrodes toward the pixel electrode. Preferably, the amount of the polymerizable compound remaining in the liquid crystal phase after the polymerization is not more than 0.05 parts by weight per 100 parts by weight of the liquid crystal. In a seal section surrounding the liquid crystal layer, a second seal wall is preferably provided at a position opposite to the liquid crystal injection inlet in the non-display section. | 10-18-2012 |
20120286437 | ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE ELECTRONIC DEVICE - An electronic device capable of balancing both light transmitting and receiving performance and mounting reliability is provided. The electronic device includes an element (light receiving element), a transparent layer, and a sealing resin layer. The element is, for example, a semiconductor element and has an optically functional region having an optical function (for example, light receiving or light emission) on one face. The transparent layer is located on the optically functional region, directly comes in contact with the one face of the light receiving element, and is optically transparent. The sealing resin layer seals sides of the transparent layer and one face of the light receiving element, does not coat an upper face of the transparent layer, and is mixed with filler that improves rigidity. | 11-15-2012 |
20120292793 | PROCESS FOR PRODUCING ARTICLE HAVING FINE CONCAVE AND CONVEX STRUCTURE ON SURFACE - The present invention relates to a method for producing an article having a fine concave and convex structure on a surface thereof, comprising the following steps (i) to (iii): (i) step of sandwiching a photocurable composition between a mold having an inverted structure of the fine concave and convex structure on a surface thereof and a substrate; (ii) step of irradiating the photocurable composition with light; and (iii) step of separating the mold from the cured product to obtain an article comprising the substrate having on a surface thereof the cured product having the fine concave and convex structure on a surface thereof, in which the mold contains TiO | 11-22-2012 |
20130043608 | METHOD OF MANUFACTURING OPTICAL MEMBER - The purpose of the present invention is to make a change in the chromaticity of an optical member due to use unlikely to occur. A method of manufacturing a prism sheet | 02-21-2013 |
20130049239 | LENS FABRICATION APPARATUS AND LENS FABRICATION METHOD USING THE SAME - A lens fabrication apparatus includes: a lens mold having a connection portion formed on one side thereof and disposed on a light emission surface of a light emitting unit; and a vacuum forming unit discharging air from within the lens mold to the outside through the connection portion or injecting a material into the lens mold through the connection portion. | 02-28-2013 |
20130062800 | Method for Producing Wafer Lens - A method for producing a wafer lens provided with a lens portion made of a photo-curable resin on one face of a substrate. The method includes a dispensing step, a curing step and a releasing step. In the dispensing step, a photo-curable resin material is dispensed on at least one of (i) a mold having a molding surface in a shape corresponding to an optical surface shape of the lens portion and (ii) the one face of the substrate. The photo-curable resin material has a viscosity of 10000 cP or more at 25° C. In the dispensing step, the photo-curable resin material is heated so that the viscosity of the photo-curable resin material becomes between 1000 cP and 10000 cP, and dispensed. | 03-14-2013 |
20130106007 | PRODUCTION OF OPHTHALMIC DEVICES BASED ON PHOTO-INDUCED STEP GROWTH POLYMERIZATION | 05-02-2013 |
20130127077 | SILICONE HYDROGEL LENSES WITH CONVERTIBLE COMFORT AGENTS - The invention provides a silicone hydrogel contact lens including a hydrolyzable polymer. The hydrolyzable polymer can be converted by hydrolysis into a hydrophilic polymer which is capable of imparting the silicone hydrogel contact lens a hydrophilic surface without post-curing surface treatment. | 05-23-2013 |
20130140723 | METHOD OF FABRICATING AN OPTICAL GRATING - According to embodiments of the invention, the design and fabrication of a binary superimposed grating (BSG) results in better performing devices that may be fabricated using existing technology. The fabrication process includes forming grating features based upon repeating features of the desired superposition function. The design process also relaxes the processing requirement for equivalently performing devices. | 06-06-2013 |
20130147072 | Method of Treating a Lens Forming Surface of at Least One Mold Half of a Mold for Molding Ophthalmic Lenses - A method of treating of a lens forming surface ( | 06-13-2013 |
20130214440 | LENS SHEET MANUFACTURING METHOD AND LENS SHEET MANUFACTURING APPARATUS - A lens sheet manufacturing method according to one aspect of the presently disclosed subject matter includes: conveying an original lens sheet having a plurality of linear lens elements arranged and formed in parallel with each other on a front sheet surface; detecting an edge line of one of the lens elements; determining whether the detected edge line and a trimming direction blade included in a punching blade are parallel with each other; when it is determined that they are not parallel with each other, controlling a conveying direction of the original lens sheet so that the trimming direction blade and the detected edge line are parallel with each other; and temporarily stopping conveying with the edge line of the lens element and the trimming direction blade being parallel with each other and punching the original lens sheet with the punching blade to manufacture a separated lens sheet. | 08-22-2013 |
20130221551 | METHOD OF PRODUCING COMPOSITE OPTICAL ELEMENT - Provided is a method of producing a composite optical element, including performing stress removal after molding a composite optical element by integrating a resin material with one surface of a glass material in a heated state, in which, after the composite optical element prepared in the molding is cooled to a first cooling temperature lower than a glass transition temperature of the resin material, an interface layer of the resin material, the interface layer contacting the glass material, is heated to a temperature equal to or higher than the glass transition temperature of the resin material, by causing infrared light having a wavelength region in which an infrared absorptivity of the resin material is higher than that of the glass material to enter from another surface of the glass material, and then the composite optical element is cooled to a second cooling temperature lower than the first cooling temperature. | 08-29-2013 |
20130241091 | SAMPLE PREPARATION APPARATUS AND SAMPLE PREPARATION METHOD - Provided is an apparatus for preparing a sample including: a sample stage that supports a sample; a focused ion beam column that applies a focused ion beam to the same sample and processes the sample; and an irradiation area setting unit that sets a focused-ion-beam irradiation area including a first irradiation area used to form an observation field irradiated with an electron beam in order to detect backscattered electrons and a second irradiation area used to form a tilted surface tilted with respect to the normal line of the observation field with an angle of 67.5° or more and less than 90°. | 09-19-2013 |
20130300008 | METHOD FOR FORMING A STRUCTURAL BODY AND AN APPARATUS FOR FORMING A STRUCTURAL BODY - A method for forming a structural body includes irradiating a substrate with light having a periodic intensity distribution and a wavelength within a wavelength region which allows the substrate to show opacity thereby forming a periodic structure causing optical diffraction on a surface of the substrate. | 11-14-2013 |
20140042648 | METHOD OF MAKING LENS MODULES - A method of making lens modules includes the following steps: A. Provide a plurality of lens members on a die to form a runner between the lens members. B. Provide a housing material in the runner, and then curing the housing material. C. Remove the die to obtain a block. D. Cut the block to obtain a plurality of the lens modules. All kinds of lens modules may be applied in the method to make stronger and smaller lens modules. | 02-13-2014 |
20140042649 | METHOD FOR FABRICATING FLEXIBLE DISPLAY MODULE - A method for fabricating flexible display module mainly includes following steps: providing a transparent carrier with a carrying-surface and a back-surface opposite to the carrying-surface; forming a photosensitive-release-film on the carrying-surface; providing a flexible substrate on the photosensitive-release-film; forming a pixel array on the flexible substrate; during or after forming the pixel array, conducting irradiation on the photosensitive-release-film from the back-surface of the transparent carrier to weaken bonding force between the photosensitive-release-film and the transparent carrier or simultaneously weaken both the bonding force between the photosensitive-release-film and the transparent carrier and the structure strength of the photosensitive-release-film; and then, removing the flexible substrate from the transparent carrier, in which at least one portion of the photosensitive-release-film is peeled off from the carrying-surface and remains on the flexible substrate. | 02-13-2014 |
20140103552 | RESIN MOLDING APPARATUS AND RESIN MOLDING METHOD - A lens molding apparatus ( | 04-17-2014 |
20140159260 | METHOD OF MANUFACTURING HYBRID LENS - To propose a hybrid lens, which does not depend on a shape and thickness of glass, which has an excellent dimensional precision, and which can be manufactured with a low cost and a method thereof. A method of manufacturing a hybrid lens includes the following steps of (a) preparing a guide component having a through hole, and a plane parallel glass plate formed of optical glass; (b) fixing the plane parallel glass plate to at least one of surface of the guide component so that the plane parallel glass plate is accommodated in the guide component; and then (c) forming a resin lens on at least one of surfaces of the plane parallel glass plate by applying and curing energy-curable resin. | 06-12-2014 |
20140159261 | METHOD OF PRODUCING OPTICAL COMPONENT - The present invention provides a resin composition for producing an optical component in which resin composition respective of a (meth)acrylic equivalent and a content of a repeating unit represented by the general formula (1) are adjusted to given ranges, an optical component which is made of the resin composition, and an image display device. The resin composition of the present invention for producing an optical component is arranged such that the resin composition contains at least one kind of compound whose molecule contains the repeating unit represented by the general formula (1) and at least one (meth)acryloyl group and the (meth)acrylic equivalent and the content of the repeating unit meet the given ranges. | 06-12-2014 |
20140183766 | METHODS FOR FABRICATING THERMOCHROMIC FILTERS - Thermochromic liquid crystal filters are fabricated by providing two polarizers oriented at offset polarity with respect to each other; providing alignment structures adjacent the inner surfaces of the polarizers; placing a plurality of spacers between the polarizers; and filling a space created by the spacers with a thermotropic liquid crystal that acts as a wave block in an isotropic state and acts to rotate the polarization of light in a nematic state. Alternatively, the filters can be created by encapsulating a thermochromic liquid crystal with a polymer material to form a flexible film and orienting the thermochromic liquid crystal in the polymer material to create a structure that functions as a thermochromic optical filter. Such filters can control the flow of light and radiant heat through selective reflection, transmission, absorption, and/or re-emission. The filters have particular application in passive or active light-regulating and temperature-regulating films, materials, and devices, and particularly as construction materials. | 07-03-2014 |
20140191429 | RESIN MOLDING APPARATUS AND RESIN MOLDING METHOD - A lens molding apparatus of the present invention includes: a mold having a transfer surface for transferring a predetermined lens shape to a dielectric resin; a mold having a transfer surface for transferring a predetermined lens shape to the dielectric resin; a support device moving the mold; a heating device heating the dielectric resin so as to form a resin molded product, the dielectric resin having been supplied on the transfer surface; a DC power source forming an electric field by application of direct-current voltage between the mold and the mold; and switches switching a direction of the electric field between a direction from the mold to the mold and a direction from the mold to the mold. | 07-10-2014 |
20140217626 | MOLDING APPARATUS AND MOLDING METHOD - A lens molding apparatus ( | 08-07-2014 |
20140319708 | INTERNAL OPTICAL ELEMENTS PRODUCED BY IRRADIATION-INDUCED REFRACTIVE INDEX CHANGES - Systems and methods are provided for forming an optical element within a transparent material using an irradiating optical beam, where the irradiating optical beam is employed to induce internal refractive index changes in the transparent substrate. Optical elements such as bulk and gradient index lenses may be formed in the transparent structure according various embodiments of the disclosure. An optical element may be formed by selecting a refractive index profile for the optical element, determining a corresponding suitable spatially dependent irradiation intensity profile for producing the selected refractive index profile, focusing an irradiating optical beam within the transparent structure, and controlling an intensity and position of the focused irradiating optical beam within the transparent structure according to the spatially dependent irradiation intensity profile. | 10-30-2014 |
20140346694 | POSITION DETECTION APPARATUS, IMPRINT APPARATUS, AND POSITION DETECTION METHOD - A position detection apparatus includes an illumination optical system for illuminating a first diffraction grating having periods in each of a first direction and a second direction different from the first direction, and a second diffraction grating having a period different from the period in the second direction of the first diffraction grating in the second direction, at an oblique incidence, and a detection optical system for detecting diffracted light from the first diffraction grating and the second diffraction grating, wherein a relative position of the first diffraction grating and the second diffraction grating is detected based on the detected diffracted light, and wherein the illumination optical system includes a plurality of light intensity distributions in the first direction except for on an optical axis of the detection optical system, in a pupil plane thereof. | 11-27-2014 |
20150115484 | PROCESS FOR MANUFACTURE OF A THERMOCHROMIC CONTACT LENS MATERIAL - Disclosed in this specification is a process for manufacturing a thermochromic contact lens. The process includes (1) selecting a photoinitiator that absorbs at a first wavelength and at least one thermochromic dye that displays substantial absorption at the first wavelength when the dye is at a first temperature and exhibits at least an 80% reduction in absorbance at the first wavelength at a second temperature, (2) maintaining the reaction mixture at the second temperature and (3) providing cure light that includes the first wavelength. | 04-30-2015 |
20150115485 | METHOD FOR PRODUCING OPHTHALMIC LENSES - The invention provides a method for producing ophthalmic lenses, preferably contact lenses, more preferably silicone hydrogel contact lenses. This method involves applying a coat of catanionic vesicles onto the molding surfaces of a mold. By having a coat of catanionic vesicles on the molding surfaces of a mold, mold separation force and lens defects generated during mold opening and de-molding process can be substantially reduced. | 04-30-2015 |
20150145155 | METHOD OF MANUFACTURING HYDROGEL OPHTHALMIC DEVICES WITH ELECTRONIC ELEMENTS - The present invention provides methods for forming an ophthalmic lens that can include a media insert and/or electronic components. In particular, the present disclosure provides for adhesion promoting functionalization steps for a biocompatible coating to bind a hydrogel material to a plastic surface or electronic component prior to the polymerization of the hydrogel. In some aspects, the media insert can be used to contain energy sources and/or functional electronic components which may be, for example, in a stacked integrated component configuration to permit a generally arcuate shape that can conform to the anterior surface of an eye. | 05-28-2015 |
20150321386 | MOLD RELEASE TREATMENT METHOD AND METHOD FOR PRODUCING ANTI-REFLECTIVE FILM - A mold release processing method according to an embodiment of the present invention includes the steps of: (a) providing a mold releasing agent, including a fluorine-based silane coupling agent and a solvent, and a mold of which the surface has a porous alumina layer; (b) applying the mold releasing agent onto the surface; and (c) heating, either before or after the step (b), the surface to a temperature not less than 40° C. and less than 100° C. in an ambient with a relative humidity of 50% or more. | 11-12-2015 |
20160017229 | PHOTO-ALIGNMENT COMPOSITION AND METHOD OF MANUFACTURING A DISPLAY PANEL USING THE SAME - A photo-alignment composition includes a compound comprising a repeat unit represented by Chemical Formula 1 and a solvent. The photo-alignment composition is coated on a first substrate and a second substrate facing the first substrate, thus forming alignment layers. A liquid crystal layer is formed between the first substrate and the second substrate. The photo-alignment composition includes a compound structure having a high decomposition rate and a functional group capable of a hydrogen bond, which is weaker than a covalent bond. Thus, a hardness of the alignment layer may be improved at a room temperature, and a hydrogen bonding functional group of the photo-alignment composition may be decomposed at a high temperature thus photo-aligning the alignment layer. Therefore, an afterimage of a screen may decrease, and a hardness of the alignment layer may increase. | 01-21-2016 |
20160144534 | MOLDS FOR MAKING CONTACT LENSES - The present invention general related to a mold for making a contact lens comprises a first mold half having a first mold surface in contact with a polymerizable and/or crosslinkable silicone containing lens forming composition and a second mold half having a second mold surface in contact with the lens-forming composition, and the first mold half and the second mold half are configured to receive each other such that a cavity is formed between the first mold surface and the second mold surface. The cavity defines the shape of a contact lens to be molded. At least one of the mold halves is made from a sulfur containing polymer having a refraction index greater than 1.5. The dimension stability of the plastic mold can be improved. | 05-26-2016 |
20160167324 | Photopolymerization Device and Method of Manufacturing Lens Having Photochromic Coating Layer | 06-16-2016 |