Class / Patent application number | Description | Number of patent applications / Date published |
264100380 | Ultraviolet light utilized | 68 |
20080217800 | METHOD FOR STABILIZING LENS MOLD ASSEMBLY - The invention provides for partially curing a flash ring during mold assembly to make the ring sufficiently tacky so that the back mold half will remain adhered to the mold assembly during the subsequent cure processing. | 09-11-2008 |
20080315444 | Moulding Process - A highly effective and cost-effective method and apparatus for manufacturing soft contact lenses by physically forming the lenses form sheet (or other solid) material in a batch or continuous process. | 12-25-2008 |
20090057932 | MANUFACTURING METHOD OF KEYPAD PANEL - A manufacturing method of keypad panel includes the steps of preparing a mold formed by assembling a mold base, a transparent mold cavity and a fixed board; coating an ultraviolet curing resin on surfaces of the mold base and the transparent mold cavity of the mold; attaching a transparent or non-transparent plastic thin film onto the ultraviolet curing resin; compressing the ultraviolet curing resin flatly to squeeze the space and eliminate the air remained between the thin film and the ultraviolet curing resin as well as the ultraviolet curing resin and the transparent mold cavity; and performing a light projection to pass light through the transparent mold cavity to cure the ultraviolet curing resin, so as to complete manufacturing the keypad panel. | 03-05-2009 |
20090057933 | Optical Member Fabricating Apparatus and Method and Forming Mold Used for the Same - Provided is an apparatus for fabricating an optical member. The apparatus includes a first roll around which a base film is wound, a second roll around which a base film on which a coating liquid is applied in a predetermined pattern is wound, two or more guide rolls disposed between the first and second rolls to convey the base film, an injection unit for injecting the coating liquid, a pattern molding unit engaged with one of the guide rolls to apply the injected coating liquid on the base film in the predetermined pattern, and a hardening unit for hardening the coating liquid applied on the base film. | 03-05-2009 |
20090072420 | CERAMIC HYBRID LENS AND METHOD FOR MANUFACTURING THE SAME - A hybrid lens is provided in which a plastic lens made from an ultraviolet curing resin is affixed to a ceramic lens which uses as a glass material a light transmitting ceramic having a permeability of 70% or larger in a visible radiation range and a particle diameter of 40 micrometers to on the order of 120 micrometers and on which chipping flaws having a depth of 50 micrometers to on the order of 60 micrometers are formed. | 03-19-2009 |
20090146330 | METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES - The invention provide a method for making silicone hydrogel contact lenses. The method of the invention is characterized by using a solvent mixture including at least one organic solvent which dissolve the polymerizable material in a lens-forming composition and a small amount of water. By having a small amount of water in the lens-forming composition, the mechanical strength of lenses cast-molded from the lens-forming composition can be sufficiently high so that the lenses can survice during mold opening and demolding process, thereby increasing the production yield. | 06-11-2009 |
20090166905 | Contact lens fabrication method and tool - A contact lens fabrication method of fabrication a contact lens by means of: pressing a male molding block of a supplementary tool into a cavity of a mold to squeeze a contact lens material into shape and to simultaneously cut off an excessive part of the contact lens material from a contact lens by means of a cut angle of sharp edge of the mold, and then curing the contact lens, and then separating the supplementary tool from the mold to have the contact lens be adhered to the surface of the male molding block, and then filling a buffer solution into the supplementary tool to have the contact lens be dipped in the buffer solution after quality examination of the contact lens, and then sealing a sealing film to the supplementary tool to form a finished contact lens product for sale. | 07-02-2009 |
20090174098 | Method for Manufacturing an Ophthalmic Lens Using a Photoactive Material - Method for manufacturing an ophthalmic lens ( | 07-09-2009 |
20090189303 | METHODS FOR FORMING COATED HIGH INDEX OPTICAL ELEMENTS - Disclosed is a method of forming a coated optical element. The method includes providing a mould assembly having opposed mould sections and applying a UV-curable hard coat monomer composition to the casting face of at least one of the mould sections to form a hard coat monomer layer. The hard coat layer is irradiated with UV radiation under conditions to form a partially cured hard coat layer. The assembled mould is filled with a high index optical element precursor material the optical element precursor material and the partially cured hard coat layer are cured to form a high index optical element having a hard coat. | 07-30-2009 |
20090200692 | Method for manufacturing a silicone contact lens having a hydrophilic surface - A method for manufacturing a silicon hydrogel gel contact lens having a hydrophilic surface is provided, whereby a hydrophilic biomedical material such as, HEMA, GMA, GMMA, NVP, MAA, MMA, PVA, PU, HA, collagen, chitosan, polydextrose, etc. is combined with a surface of a soft silicone gel or a silicone hydrogel material to form a sandwiched structure of a body of a contact lens. With this method, the surface of the soft silicone gel or the silicone hydrogel material can be completely coated with the hydrophilic biomedical material, so that a hydrophobic silicone dry spot on the surface resulting from a hydrophobic silicone component in the soft silicone gel or silicone hydrogel material is completely coated. Thus, a contact lens having a completely hydrophilic surface and a high oxygen-permeability is formed, which can be more comfortably worn for a longer time. Particularly, the concise manufacturing method of the prevention can be combined with existing manufacturing equipment to mass-produce hydrophilic contact lenses with a high oxygen-permeability at a lower cost. | 08-13-2009 |
20090250828 | Method for Making Ophthalmic Devices Using Single Mold Stereolithography - A method for manufacturing an ophthalmic lens comprising introducing a volume of photocurable lens material into a container, wherein said container comprises a mold surface. The method further comprises creating a digital 3-D mathematical model defining corrective needs of an eye and projecting programmed patterns of UV light through said mold via a pattern generator, wherein said programmed patterns of UV light cure said photocurable lens material into a lens shape defined by said mold surface and said digital model. | 10-08-2009 |
20090267248 | PROCESS FOR FABRICATING MOLDING STAMP - A process for fabricating a molding stamp mainly includes the steps of: (1) attaching a framework onto a substrate, the framework defining a number of through holes therein so that the framework and the substrate cooperatively define a number of molding cavities; (2) applying a UV curable resin in one of the molding cavities; (3) molding the UV curable resin in the one of the molding cavities using a printing stamp having a predetermined microlens pattern; (4) curing the UV curable resin to form a microlens unit; (5) removing the printing stamp; (6) repeating the steps (2) through (5) to form a number of microlens units on the substrate; (7) removing the framework from the substrate; (8) applying a thermosetting resin on the substrate to cover the microlens units; (9) curing the thermosetting resin to form the molding stamp; and (10) separating the molding stamp from the substrate. | 10-29-2009 |
20090295001 | Systems and Methods for Producing Silicone Hydrogel Contact Lenses From a Polymerizable Composition - Systems and methods of manufacturing ophthalmic lenses, for example, silicone hydrogel contact lenses, are provided. The present systems and methods provide certain amounts of ultraviolet light to contact lens mold assemblies that comprise a silicone hydrogel precursor composition. For example, the systems and methods may provide ultraviolet light at an intensity from 20 μW/cm | 12-03-2009 |
20090295002 | Process for the manufacture of an ophthalmic lens - A process for the manufacture of an ophthalmic lens, e.g. a contact lens, comprises the steps of: | 12-03-2009 |
20090295003 | RESIN COMPOSITION FOR OPTICAL COMPONENTS, OPTICAL COMPONENT USING THE SAME AND PRODUCTION METHOD OF OPTICAL LENS - The present invention relates to a resin composition for optical components, which is an ultraviolet-curable transparent resin composition used as a material for an optical component, in which the resin composition includes (A) an epoxy resin having two or more epoxy groups in one molecule thereof, (B) an oxetane compound having one or more oxetanyl groups in one molecule thereof and (C) a photo-acid generator, and in which the component (C) is contained in an amount of 0.01 to 2.0 parts by weight based on 100 parts by weight of a total amount of the components (A) and (B). The present invention also relates to an optical component obtained by using the resin composition for optical components, and a production method thereof. | 12-03-2009 |
20100078837 | APPARATUS AND METHOD FOR FORMATION OF AN ENERGIZED OPHTHALMIC DEVICE - This invention discloses methods and apparatus for providing an ophthalmic lens with an Energy Source capable of powering a component included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and a battery in encapsulated within the ophthalmic lens. | 04-01-2010 |
20100078838 | ENERGIZED MEDIA FOR AN OPHTHALMIC DEVICE - This invention discloses methods and apparatus for providing a media insert with an energy source to an ophthalmic lens. The energy source is capable of powering a component included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel and the component includes an electro-optical lens portion. | 04-01-2010 |
20100123260 | STAMP WITH MASK PATTERN FOR DISCRETE LENS REPLICATION - A method and stamp for forming lenses on a wafer. The stamp includes a mask arranged on a substrate and aligned with a plurality of lens-shaped cavities. The lens-shaped cavities are used to imprint a plurality of lenses into a curable material. The lenses are cured through the mask using radiation. The lenses are separated from the stamp and the uncured material is removed. | 05-20-2010 |
20100127412 | METHOD AND APPARATUS FOR FABRICATING LENS MASTERS - A method and apparatus used for forming a lens master for forming lenses on a wafer. The method includes using an inverted lens pin mold in conjunction with a dispense method to create both concave and convex lens masters for making lens stamps containing lens-shaped cavities. The lens-shaped cavities are used to imprint a plurality of lenses into a curable material. | 05-27-2010 |
20100155974 | METHOD AND DEVICE FOR PRODUCING STRUCTURED OPTICAL MATERIALS - The invention relates to a method for producing structured optical materials. It also relates to a device for producing structured optical materials, and to use of the method. | 06-24-2010 |
20100155975 | MOLD RELEASE SHEET - The present invention relates to a mold half for making an ophthalmic lens, in particular a contact lens, wherein the mold half comprises a release sheet removably arranged on the mold surface of said mold half to separate a lens forming material from the mold surface, as well as to a method for applying a removable mold release sheet to said mold half. The mold half of the invention comprises a vacuum means to removably attach said release sheet to said mold surface, and preferably the mold half further comprises a pinch-off rim for forming the edge of said ophthalmic lens. | 06-24-2010 |
20100155976 | REUSABLE LENS MOLDS AND METHODS OF USE THEREOF - Described herein are devices for producing ophthalmic lenses including at least one mold half defining an optical surface where the mold half is made from a polymer that includes an aromatic polyimide, a polyphenylene, or a combination thereof. The devices exhibit numerous advantages including, but not limited to, good chemical resistance, durability, machineability, and UV absorbing properties. Also described are methods for producing ophthalmic lenses using the devices described herein. The ophthalmic lenses produced with the devices described herein exhibit excellent optical properties when compared to lenses produced from conventions molds. | 06-24-2010 |
20100164128 | LITHOGRAPHIC METHOD FOR FORMING MOLD INSERTS AND MOLDS - This invention provides for an ophthalmic lens mold with at least one portion of the lens mold including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens mold including multiple voxels of polymerized crosslinkable material. | 07-01-2010 |
20100230838 | Systems and methods for producing contact lenses from a polymerizable compositon - Methods for producing contact lenses from a polymerizable composition are provided. The methods generally include providing a carrier carrying a plurality of molds each of which contains a polymerizable composition. A chamber is provided which contains a light source providing light to the chamber effective to facilitate polymerization of the polymerizable composition. The molds in the carrier are exposed to the light in the chamber. During this exposing, the light source is monitored, for example, using digital addressable lighting interface (DALI) technology. | 09-16-2010 |
20100258961 | Method for making silicone hydrogel contact lenses - The invention provide a method for making silicone hydrogel based on the Lightstream Technology from a monomer mixture with a curing time of less than about 100 seconds. The present invention is also related to silicone hydrogel contact lenses made according to methods of the invention. | 10-14-2010 |
20100270692 | IMPRINTING MOLD AND METHOD FOR MAKING LENS ARRAY - An exemplary method for making a lens array is as follows. An imprinting mold and a substrate are provided. A blob of molding material is applied on each molding section of the substrate. The first alignment marks, and the second alignment mark of the imprinting mold are aligned with the fourth alignment marks, and the third alignment mark of one of the imprinting regions, respectively. The imprinting mold is pressed on the molding material on the imprinting region. The pressed portions of the imprinting region are solidified to obtain lenses in the imprinting region. The imprinting mold is pressed on another one of the imprinting region, and the imprinting mold is removed. This process is repeated for each other imprinting region. Thus, a lens array is obtained. | 10-28-2010 |
20100270693 | Systems and Methods for Producing Silicone Hydrogel Contact Lenses - Systems and methods for producing silicone hydrogel contact lenses are described. Certain of the present systems include a contact lens mold forming station, a station for filling a contact lens mold section with a lens precursor composition and for placing a second mold section on the filled mold section to form a contact lens mold assembly, a curing station for forming a contact lens, a mold assembly separation station, and an extraction/hydration station. Certain of the present methods include forming a plurality of mold sections, placing a lens precursor composition on a surface of a first mold section, placing a second mold section on the first mold section, polymerizing the lens precursor composition, separating the first and second mold sections, removing the silicone hydrogel contact lens from one of the mold sections, extracting extractable components from the contact lens, and hydrating the contact lens. | 10-28-2010 |
20100295196 | METHOD FOR MAKING PRIVACY FILM - Provided is a method for making a privacy film. In the method, a nickel mold having desired intagliated patterns are prepared, and a curable resin is then injected into the nickel mold to prepare a master mold. A UV curable resin is injected into the master mold, and then cured to thereby form a film where uneven patterns are formed. A black ink is injected into a concave portion of the film. The method provides advantages such as process simplicity, excellent production efficiency, and low fabrication cost. | 11-25-2010 |
20110018150 | Moulding Lenses - The invention provides a method of moulding a vision correction lens from a transparent resin. The resin is introduced into a mould cavity, the sides of which cavity which correspond to the front and rear surfaces of the lens being formed by two sheets, at least one of which is flexible. The amount of resin in the cavity is adjusted to deform the flexible sheet(s) so that the shape of the lens defined by the sheet(s) will provide a desired power, and the resin is then cured. The sheets can be transparent, and a user can look through them as the amount of resin is adjusted, to ensure that the lens is of the desired power. Further, the amount of resin in the cavity can be adjusted to accommodate changes in the refractive index of the resin as it cures. | 01-27-2011 |
20110057337 | PLASTIC CASTINGS MOLDS - The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention solves this problem through the use of polymers which are notable for their very low oxygen permeability. | 03-10-2011 |
20110089589 | SPIN-MOUNTED FABRICATION OF INJECTION MOLDED MICRO-OPTICS - Methods and systems for fabrication of injection molded optical components are disclosed. In one embodiment, a moldplate having one or more cavities is configured to receive injected optical material within walls of the cavities. The cavities are designed with a predetermined geometric profile approximately corresponding to a predetermined optical profile of an optical element to be formed therein. When molten optical material is injected into the cavities of the moldplate, the injected optical material forms a meniscus due to surface tension between the optical material and the wall of the cavities. The meniscus thus provides a shape corresponding to the predetermined optical profile. The optical material is then rapidly cured with actinic radiation, and a desired optical element with high-precision dimensions is formed within the cavities of the moldplate. In some embodiments, the moldplate is spun around a spin axis such that the meniscus is adjusted to match the predetermined optical profile within a certain tolerance. | 04-21-2011 |
20110115110 | Method of Making Silicone Hydrogels with Fluorinated Side Chain Polysiloxanes - A method of making a silicone hydrogel contact lens from a monomer mixture that includes: N-vinyl-N-methyl acetamide, N-vinyl pyrrolidone or a mixture thereof; a monofunctional polysiloxanylalkyl monomer, and a polysiloxane-containing monomer having a perfluorinated side chain on a terminal carbon. The monomer mixture is charged to a mold and then subjected to spin casting or static casting. The casted mold is exposed to visible light or UV radiation. The resulting silicone hydrogel contact lens has an oxygen permeability of at least about 120 Barrers, a water content of at least about 20 weight percent, and a modulus from 40 g/mm | 05-19-2011 |
20110133351 | 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. | 06-09-2011 |
20110147958 | LENS MOLDS WITH PROTECTIVE COATING FOR PRODUCTION OF OPHTHALMIC LENSES - This invention is directed to improved lens molds for the production of ophthalmic lenses, in particular colored contact lenses. The invention involves protective coatings for extended use and repair of reusable glass or quartz molds as well as for improved mold release and print-on-mold properties. The invention is also directed to a method of making the improved lens molds and their use in the manufacture of ophthalmic lenses, in particular colored contact lenses. | 06-23-2011 |
20110233799 | METHOD FOR MANUFACTURING LENS HAVING FUNCTIONAL NANOPATTERN - A method for manufacturing a lens having a functional nanopattern. A photonic crystal pattern is formed on a mold member, and the mold member is pressed against the curved portion of the lens such that the photonic crystal pattern is formed on the surface of the polymer attached to the surface of the curved portion of the lens, thus forming a photonic crystal pattern on the curved surface of the lens, minimizing reflection losses and improving light transmittance. | 09-29-2011 |
20120038071 | OPTICAL IMPRINTING METHOD AND DEVICE - In an optical imprinting method, after pressing a mold with a mold pressing mechanism detachably holding a mold against a resist applied to a transferred body to firmly attach the mold to the transferred body and detaching the mold from the mold pressing mechanism, arranging a UV light source above the up side surface of the laminated body of the mold and irradiating UV light to cure the resist. Then, after completing the resist curing, retracting the mold and the transferred body from the UV light source and separating the mold from the transferred body. | 02-16-2012 |
20120043679 | METHOD AND DEVICE FOR MAKING AN OPTICAL PLATE FORMED WITH A MICROSTRUCTURE - A method for making an optical plate formed with a microstructure includes: extruding a substrate material and advancing the same to pass through a first nip formed between an embossing roller and a first pressing roller, the embossing roller having a micropatterned surface formed with a plurality of protrusions and a plurality of grooves, the protrusions and the grooves cooperatively defining a microstructure-forming space; applying a photosensitive resin to the micropatterned surface and filling the same into the microstructure-forming space upstream of the first nip to form a plurality of microelements respectively in the microstructure-forming space; allowing the photosensitive resin applied to the micropatterned surface to pass through the first nip together with the substrate material, thereby bonding the microelements to the substrate material; and irradiating and curing the photosensitive resin downstream of the first nip to form the optical plate. | 02-23-2012 |
20120080811 | 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. | 04-05-2012 |
20120104637 | METHOD FOR PRODUCING OBJECTS WITH A DEFINED STRUCTURED SURFACE - The invention relates to a method for fabricating objects with a structured optically effective surface for fabricating lenticular screens. The method may comprise: | 05-03-2012 |
20120187590 | 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. | 07-26-2012 |
20120205827 | METHOD OF FABRICATING CONTIGUOUS MICROLENS ARRAY - A method of fabricating a contiguous microlens array is disclosed. First, an array of photoresist patterns is formed, wherein each photoresist pattern has a substantially circular or polygonal shape in a top view and neighboring photoresist patterns are connected with each other or close to each other. Then a reflow step is performed to heat the photoresist patterns thereby rounding a surface of each photoresist pattern and connecting the neighboring photoresist patterns that are close to each other. Finally, a fixing step is performed to fix a shape of each photoresist pattern. The shape of the curved surface of a microlens in the microlens array is selectively adjusted according to its position in the array and the incident angle of light incident thereto. | 08-16-2012 |
20120273981 | METHOD FOR MAKING LENS ARRAY - An exemplary method for making a lens array requires an imprinting mold and a substrate. A blob of molding material is applied on each molding section of the substrate. First alignment marks, and second alignment mark of the imprinting mold aligned with third and fourth alignment marks on each one of the imprinting regions, respectively. The imprinting mold is pressed on the molding material on the imprinting region. The pressed portions of the imprinting region are solidified to obtain lenses in the imprinting region. The imprinting mold is pressed on another one of the imprinting region, and the imprinting mold is removed. This process is repeated for each other imprinting region. Thus, a large-scale lens array is obtained. | 11-01-2012 |
20130032959 | METHOD FOR FORMING OPTICAL FILM - A method for manufacturing an optical film includes providing a molding machine. The molding machine includes a hopper, a first cylindrical roller, a second cylindrical roller, and a UV light source. The first and second cylindrical rollers are located at two opposite sides of a narrow outlet of the hopper and positioned at substantially a same height just below the narrow outlet. Thereafter, a UV-curable material is provided into the hopper, and flows out from the narrow outlet of the hopper. The UV light source is turned on toward the UV-curable material. Furthermore, the first and second cylindrical rollers are rotated to directly press the UV-curable material when the UV-curable material is cured. | 02-07-2013 |
20130056890 | METHOD OF FABRICATING LIQUID CRYSTAL DISPLAY - A first substrate and a second substrate are provided. An alignment process is performed on a surface of the first substrate and a surface of the second substrate respectively. A liquid crystal mixture is prepared, where the liquid crystal mixture includes a liquid crystal molecule and a liquid crystal monomer having a functional group of diacrylates, and the liquid crystal monomer having the functional group of diacrylates occupies 0.01-2 wt % of the liquid crystal mixture. The first substrate and the second substrate are assembled, and the liquid crystal mixture is filled therebetween. A polymerization curing process is performed such that the liquid crystal monomer having the functional group of diacrylates is polymerized to respectively form a liquid crystal polymer film on the aligned surfaces of the first and second substrates. The method enhances anchoring energy and reduces problems of V-T shift, surface gliding, and residual image. | 03-07-2013 |
20130127078 | Photochromic Lens - A cast photochromic lens including a photochromic film and a cast resin, curable by heat or radiation. | 05-23-2013 |
20130140724 | METHOD OF DETERMINING MANUFACTURING CONDITION OF EYEGLASS LENS AND METHOD OF MANUFACTURING EYEGLASS LENS - An aspect of the present invention relates to a method of determining a manufacturing condition of a polythiourethane eyeglass lens obtained via a process of obtaining polythiourethane by polymerization reaction of an iso(thio)cyanate compound and a thiol compound, comprising determining a candidate composition for a starting material mixture and a candidate polymerization reaction condition employed in the polymerization reaction in actual manufacturing; polymerizing the starting material mixture of the candidate composition that has been determined under the candidate polymerization reaction condition to obtain a test sample; testing the obtained test sample by irradiation with a xenon lamp to determine whether or not change into red-like color is present following irradiation with the xenon lamp; and determining a starting material mixture composition and a polymerization reaction condition to be employed in the polymerization reaction in actual manufacturing with the use of a result of the determination as an indicator. | 06-06-2013 |
20130168884 | CONTACT LENSES WITH IDENTIFYING MARK - The present invention is related to a method for making contact lenses with identifying mark, in particular to silicone hydrogel contact lenses. The present invention is also related to a method of high intensity UV curing the identifying mark print on the mold and high intensity UV treating mold for making silicone hydrogel contact lenses with identifying mark. | 07-04-2013 |
20130175721 | COLORED CONTACT LENSES AND METHOD OF MAKING THE SAME - The present invention generally relates to a method for making colored contact lenses, in particular to colored silicone hydrogel contact lenses. The present invention is also related to a method of a first high intensity UV curing the colored print on the mold and a second high intensity UV treating mold for making colored silicone hydrogel contact lenses. The present invention illustrates the right combination of the first high intensity UV exposure and the second high intensity UV exposure allows a lens that maintains good ion permeability (IP) value and a good print quality. | 07-11-2013 |
20130241092 | FILM-FORMING COMPOSITION FOR OPTICAL IMPRINT AND METHOD FOR PRODUCING OPTICAL MEMBER - A film-forming composition for optical imprint including (A) a photopolymerizable monomer having a hydrophilic group, (B) inorganic nanoparticles, and (C) a photopolymerization initiator, and the composition has an organic solvent content of 20% by mass or less, contains a monomer having a viscosity of 500 cP or less as component (A) at a proportion of 30% by mass or more relative to the total amount of component (A) and component (B), and has a refractive index after curing of 1.56 or higher. | 09-19-2013 |
20130256927 | LENS AND LENS FABRICATION METHOD - Provided is a lens fabrication method including filling liquid-phase resin in a first mold, primarily hardening the liquid-phase resin by heating the liquid-phase resin, secondarily hardening the primarily-hardened resin by irradiating Ultraviolet (UV) rays to the primarily-hardened resin to form a lens, and separating the lens from the first mold. | 10-03-2013 |
20130300009 | Method Of Making Stamped Multi-Layer Polymer Lens - A method of forming lenses includes providing a lens handler having a plurality of cavities formed into an upper surface thereof. For each of the cavities, the method includes dispensing a first polymer material into the cavity, pressing a non-planar stamp surface onto the first polymer material wherein an upper surface of the first polymer material is conformed to the non-planar stamp surface, and applying UV light to the first polymer material to cure the first polymer material. A dispenser carrier can be used that includes a plurality of liquid polymer dispensers. A stamp carrier can be used that includes a plurality of stamps each having a non-planar stamp surface. Alternately, a stamp handler having a plurality of stamps arranged along a curved surface can be used to roll along the polymer material such that an upper surface thereof conforms to the non-planar stamp surfaces. | 11-14-2013 |
20130300010 | METHOD FOR MANUFACTURING CONTACT LENSES AND CONTACT LENSES MANUFACTURED THEREFROM - The invention provides a method for manufacturing contact lenses, including: (a) mixing a siloxane macromer represented by formula (I), a siloxane macromer represented by formula (II), a hydrophilic monomer, a crosslinking agent and an initiator to form a mixture for manufacturing contact lenses, wherein the mixture for manufacturing contact lenses is free of solvent; and (b) injecting the mixture into a mould of contact lenses and conducting a UV irradiating treatment or a thermal treatment to form contact lenses, wherein formula (I) and formula (II) are shown in following: | 11-14-2013 |
20130313732 | APPARATUS AND METHOD FOR MANUFACTURING OPTICAL FILM - An apparatus includes a feed hopper containing hot melt UV curable glue, a first pressing roller defining a first central axis, a second pressing roller defining a second central axis, and two UV lamp assemblies received in the two pressing rollers respectively. The first pressing roller rotates about the first central axis in a first direction. The second pressing roller rotates about the second central axis in a second direction opposite to the first direction. The first central axis and the second central axis are arranged on a common horizontal plane and parallel to each other. A molding channel is formed between the two pressing rollers. The two pressing rollers cooperatively press the hot melt UV curable glue flowing into the molding channel from the feed hopper. The UV lamp assemblies emit UV light beams to solidify the pressed UV curable glue to form an optical film. | 11-28-2013 |
20130341811 | LENS COMPRISING LOW AND HIGH MOLECULAR WEIGHT POLYAMIDES - The present invention relates to a contact lens formed from components including (i) at least one silicone component, (ii) at least one low molecular weight polyamide having a weight average molecular weight of less than 200,000, and (iii) at least one high molecular weight polyamide having a weight average molecular weight of greater than 200,000, wherein the low molecular weight polyamide does not contain a reactive group. | 12-26-2013 |
20140054807 | Methods For Forming A Lens Plate For An Integrated Camera Using UV-Transparent Molds And Methods For Forming UV-Transparent Molds - Suspended lenses in a spacer wafer and lens-in-a-pocket structures are replicated from UV-transparent molds. The fabrication of UV-transparent molds can include providing a substrate with pedestals, fabricating a lens on each pedestal using a step-and-repeat process, replicating an intermediate mold from the substrate with pedestals having lenses on the pedestals, and replicating a UV-transparent mold from the intermediate mold. The fabrication of UV-transparent molds can also include providing a substrate with holes, fabricating a lens in each hole and replicating a UV-transparent mold from the substrate with the holes having the lenses. | 02-27-2014 |
20140110868 | METHOD OF MANUFACTURING DISPLAY DEVICE - A method for forming a display device includes forming a liquid crystal layer between a first substrate and a second substrate spaced apart from the first substrate, in which the liquid crystal layer includes a liquid crystal composition including a reactive mesogen, applying an electric field to the liquid crystal layer, firstly curing the liquid crystal layer at a temperature from about −20° C. to about 60° C., and secondly curing the liquid crystal layer without applying the electric field. The liquid crystal composition includes the reactive mesogen in an amount exceeding 0 percent by weight and equal to or smaller than about 30 percent by weight relative to a total weight of the liquid crystal composition. | 04-24-2014 |
20140183767 | Wettable Silicone Hydrogel Contact Lenses And Related Compositions And Methods - Silicone hydrogel contact lenses having ophthalmically acceptable surface wettabilities are obtained from pre-extracted polymerized silicone hydrogel contact lens products having relatively large amounts of removable or extractable materials. The silicone hydrogel contact lenses can be obtained from non-polar resin based contact lens molds and without surface treatments or an interpenetrating polymeric network of a polymeric wetting agent. Related lens products, polymerizable compositions, and methods are also described. | 07-03-2014 |
20140197559 | MOLD, MOLD MANUFACTURING METHOD AND METHOD FOR MANUFACTURING ANTI-REFLECTION FILM USING THE MOLD - A mold of at least one embodiment of the present invention includes: a base; a conductive layer provided on the base; and an anodized film provided on the conductive layer, the anodized film having an inverted motheye structure in its surface, the inverted motheye structure having a plurality of recessed portions whose two-dimensional size viewed in a direction normal to the surface is not less than 10 nm and less than 500 nm, wherein the base, the conductive layer, and the anodized film are capable of transmitting ultraviolet light. | 07-17-2014 |
20140232028 | DIFFRACTIVE OPTICAL ELEMENT AND METHOD FOR MANUFACTURING SAME - An element includes a first resin layer and a second resin layer disposed between a first glass lens substrate and a second glass lens substrate, a boundary surface between the first resin layer and the second resin layer having a diffraction grating shape including a plurality of inclined surfaces and wall surfaces. The second resin layer is composed of a fluororesin in which fine metal oxide particles are dispersed. Since a refractive index distribution easily occurs in this material during curing by application of ultraviolet light, by applying ultraviolet light substantially perpendicular to the inclined surfaces of the diffraction grating shape, a refractive index distribution is formed in the thickness direction perpendicularly to the inclined surfaces. | 08-21-2014 |
20140264981 | PROCESS FOR MANUFACTURING AN INTRAOCULAR LENS WITH AN EMBEDDED MASK - Intraocular implants and methods of making intraocular implants are provided. The intraocular implant can include a mask adapted to increase depth of focus. The method of manufacturing the implant can include positioning the mask with an aperture on a protruding pin of a positioning mold portion. The protruding pin can be configured to center the mask in the intraocular lens. | 09-18-2014 |
20140264982 | FABRICATING METHOD OF TRANSPARENT LIQUID CRYSTAL DISPLAY - A fabricating method of a transparent liquid crystal display includes the following steps. First, a first substrate and a second substrate are assembled. Then, a liquid crystal composition is injected between the first substrate and the second substrate. The liquid crystal composition includes a plurality of liquid crystal molecules and a polymerizable material, wherein the polymerizable material includes a polyether polyol acrylate monomer and a liquid crystal polymerization initiator. Afterward, an irradiation procedure and a thermal procedure are executed. | 09-18-2014 |
20140284826 | DEVICE FOR MANUFACTURING OPTICAL FILM AND A METHOD FOR MANUFACTURING THE SAME - A device includes a feed unit containing hot melted UV curable glue, a first pressing roller defining a first central axis, a second pressing roller defining a second central axis, and two UV lamp assemblies received in the two pressing rollers respectively. The first pressing roller rotates about the first central axis in a first direction. The second pressing roller rotates about the second central axis in a second direction opposite to the first direction. The first central axis and the second central axis are arranged on a common horizontal plane and parallel to each other. A molding channel is formed between the two pressing rollers. The two pressing rollers cooperatively press the hot melted UV curable glue transmitted into the molding channel from the feed unit. The UV lamp assemblies emit UV light beams to solidify the pressed UV curable glue to form an optical film. | 09-25-2014 |
20150336340 | METHOD FOR PRODUCING A LIGHT CONTROL PANEL PROVIDED WITH PARALLELLY-ARRANGED LIGHT-REFLECTIVE PORTIONS - There are a first step of preparing a transparent concave-convex plate material | 11-26-2015 |
20160176132 | REUSABLE LENS MOLDS AND METHODS OF USE THEREOF | 06-23-2016 |
20160176133 | REUSABLE LENS MOLDS AND METHODS OF USE THEREOF | 06-23-2016 |
20160176134 | REUSABLE LENS MOLDS AND METHODS OF USE THEREOF | 06-23-2016 |
20160375612 | METHODS OF PRODUCING PARTITION WALL, DISPLAY ELEMENT AND ELECTROWETTING DISPLAY - A method of producing a partition wall comprises (a) forming a film using a photosensitive composition, (b) exposing the thus formed film, (c) developing the thus exposed film with an aqueous alkaline solution, and (d) applying wind to the thus developed film. The partition wall compartmentalizes a housing space which is formed between first and second electrode layer stacks and which contains a polar liquid and a non-polar liquid that are immiscible with each other. | 12-29-2016 |
20180024273 | COMPOSITION FOR MANUFACTURING CONTACT LENSES | 01-25-2018 |