Abstract: 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.

Abstract: 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.

Abstract: An optical component and a method of producing the same, which optical component is obtained by photopolymerizing a photopolymerizable composition so as to comprise a matrix and numerous columnar structure bodies oriented in one direction within the matrix, wherein the columnar structure bodies differ in refractive index from the matrix and are arrayed in a lattice in the plane perpendicular to said orientation direction to have a highly arrayed structure whose refractive index periodically changes on the order of 80 nm to 1,000 micrometer. The optical component according to the invention is imparted with a structure whose refractive index periodically changes with high regularity on the order of about 80 nm to 1,000 micrometer and, owing to this property, is usable in optical sheet, optical film and other ordinary optical applications.

Abstract: A method for mechanical and/or optical functionalization of a transparent timepiece component, including: forming a body of methyl polymethacrylate, including a bottom surface and a mechanical and/or optically functionalized intermediate surface; coating the body with a layer made by injecting a second transparent polymerizable material into a cavity between a mold and the body or an intermediate body delimited by a complementary intermediate surface of a contact surface of a preceding mold, the last mold being the negative of the top surface of the component; polymerizing the second material therein; removing the component from the flexible mold by deformation of the mold. Hardness can be improved by UV irradiation of a component.

Abstract: A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substrate, the photocatalyst-containing layer containing a material of which the wettability is variable through photocatalytic action upon pattern-wise exposure.

Abstract: 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.

Abstract: Provided is a material suitable for an optical element, which can be applied by inkjet, has an ultraviolet curable characteristic, and yields a cured product excellent in transparency and hardness and having a refractive index of more than 1.5. Specifically, an optical element excellent in transparency and hardness and having a refractive index of more than 1.5 is obtained by preparing a resin composition including at least: (A) 5 to 45 mass % of a vinyl group-containing copolymer obtained by copolymerization of a divinyl aromatic compound; (B) 55 to 94 mass % of a liquid photocurable polyfunctional (meth)acrylate having two or more (meth)acryloyl groups; (C) 0.97 to 20 mass % of a photopolymerization initiator; and (D) 0.03 to 1 mass % of a surfactant, and applying the resin composition onto a support substrate by inkjet, followed by photocuring.

Abstract: 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.

Abstract: A material is provided for contact lens including a first siloxane macromer represented by the following formula (I): wherein R1, R2 and R3 are independently C1-C12 hydroxyl group, C1-C12 alkyl groups or C1-C12 siloxane group; R4 is C1-C6 alkylene group or C1-C6 alkylene substituted with ether group; R5 is —H, —CH3, —CH(CH3)2, —CH(CH3)CH2(CH3), —CH2CH(CH3)2, —CH2C6H5, —CH2OH, —CH(OH)CH3, —CH2CONH2 or —CH2CH2CONH2: R6 is —NHCONH—, —NHCO—, —R8NHCONH— or —R8NHCO—, wherein R8 is —O—, —O(CH2)n— or —(CH2)n— and n is an integer of 1-10; R7 is hydrogen or methyl; and m is an integer of 10-100.

Abstract: A cosmetic contact lens includes a first polymerized diffractive film of predetermined shape that is polymerized within a second polymer that supports the first polymerized diffractive film at a desired position and forms the contact lens.

Abstract: 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.

Abstract: 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.

Abstract: An encapsulated polymer stabilized cholesteric texture (EPSCT) light shutter is formed from a cholesteric liquid crystal and monomer that is encapsulated into micron sized, polymer-coated droplets by either an emulsification or phase separation process. The polymer-coated droplets are disposed between transparent electrodes, where they are irradiated by ultra-violet (UV) light to polymerize the monomer.

Abstract: 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.

Abstract: A LGP plate-to-plate manufacturing includes the steps of: preparing an optical substrate with a first surface and a second surface; mechanically extruding a first integrated microstructure on the first surface of the optical substrate; coating an optical layer on the first or second surface of the optical substrate; and curing the optical layer to directly form a second microstructure on the first or second surface of the optical substrate; wherein the first integrated microstructure and the second microstructure are separately formed at a time to provide a light guide plate structure. In an embodiment, an additional optical layer is provided on the optical substrate.

Abstract: 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.

Abstract: 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.

Abstract: A liquid crystal display device including an array of pixels each including first and second substrates, first and second electrodes formed on opposing surfaces of the first and second substrates, which surfaces are positioned opposite to the second and first substrates, first and second alignment restricting portions provided in the first and second electrodes, first and second alignment films covering respectively the first and second electrodes, the first and second alignment restricting portions, and the opposing surfaces of the first and second substrates, and a liquid crystal layer formed between the first and second alignment films and containing liquid crystal molecules, wherein, in each pixel, major axes of a group of liquid crystal molecules are positioned substantially in the same imaginary plane in a predetermined overlapped region between the first and second electrodes, and a pre-tilt is given to the liquid crystal molecules by at least the first alignment film.

Abstract: A lens forming method comprising the steps of: interposing an uncured resin between a lens molding plate and a flat-shaped transparent substrate that are disposed to face each other so as to keep an externally-opening distance; and performing light irradiation on the resin interposed between the lens molding plate and the transparent substrate so that curing of the resin advances from lens curved-surface parts on the lens molding plate toward a periphery thereof.

Abstract: Various embodiments are disclosed relating to fabrication of an optical wedge. For example, one embodiment provides a method for manufacturing an optical wedge comprising inserting a wedge blank into a vacuum molding tool and applying a vacuum to the vacuum molding tool to temporarily hold the wedge blank against a molding surface of the vacuum molding tool. The method further comprises removing a layer from a top surface of the wedge blank to expose a machined surface of the wedge blank, and casting a finish layer on the machined surface to form a finish layer of a finished optical wedge.

Abstract: 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.

Abstract: A system and method for controlling curl in multi-layer webs. The method can include providing a coated web, curing the coating to form a multi-layer web, and stretching the web during curing of the coating. Some coatings shrink at least partially when cured such that curing the coating induces a strain in the multi-layer web. Stretching the web occurs during curing to induce an opposing strain that at least partially counteracts the strain induced by curing to form a multi-layer web having a desired curvature. The system can include a curing section configured to cure the coating, and can further include a web stretching section, which can be located proximate the curing section and can be substantially coincident with the curing section, such that the web is stretched while the coating is cured.

Abstract: In a method for manufacturing a structure of curable material, a first structure from a first curable material is molded and cured on a substrate, and a second structure of a second curable material is molded and cured on a first surface of the first structure facing away from the substrate, so that at the first surface of the first structure a boundary surface forms between the first and second structures so that the first structure is not covered by the second structure in a passage area. A solvent is introduced into the passage area to dissolve the first curable material of the first structure so that a cavity forms between the second structure and the first surface of the substrate. After curing, the first curable material is soluble and the second curable material is insoluble for the solvent. An optical component and an optical layer stack are made of curable material.

Abstract: An apparatus for manufacturing light guide plate includes a coater containing UV curable glue, a first pressing roller and a second pressing roller. The first pressing roller and the second pressing roller are located nearby each other and space a predetermined distance from each other. The coater distributes UV curable glue on the surface of the first pressing roller or the second pressing roller. The first pressing roller and the second pressing roller cooperatively press the distributed UV curable glue. At least one of the first pressing roller and the second pressing roller includes a transparent shell and a UV lamp in the transparent shell. The UV lamp emits UV light to the other pressing roller. The UV lamp solidifies the UV curable glue pressed between the first pressing roller and the second pressing roller.

Abstract: Methods for inspecting ophthalmic lenses with different wavelengths of radiation are disclosed herein.

Abstract: The present invention relates to a photochromic film and a method of manufacturing the same. Since the photochromic composition according to the present invention is a non-solvent type composition and is capable of being used in a coating method, it is easy to control a thickness of a film, and the film can be manufactured to have a large area as compared to a coating method using a known solvent type composition or a casting method using a non-solvent type composition, thus providing the photochromic film having excellent durability and weather resistance.

Abstract: 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.

Abstract: An optical module comprises an apodizer includes a black resin layer having a concavity the diameter of which gradually changes in a direction light passes through the apodizer, and, provided in the concavity, a transparent resin layer having the same refractive index as the black resin layer, the black resin layer and the transparent resin layer having a total thickness of 0.001 to 0.10 mm, an input lens opposed to the black resin layer of the apodizer and an output lens opposed to the transparent resin layer of the apodizer.

Abstract: A method includes producing a first layer of optical liquid, shaping contactlessly the first layer of the optical liquid according to a desired form, and curing the shaped first layer of the optical liquid with electromagnetic radiation to generate a first optically refracting surface.

Abstract: 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.

Abstract: 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.

Abstract: 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: in formula (I), R1, R2 and R3 are C1-C4 alkyl groups and m is an integer of 10-40, and in formula (II), R4, R5 and R6 are C1-C4 alkyl groups or alcohol groups, R7 is a C1-C4 alkyl group, and n is an integer of 10-130. Also provided are the contact lenses manufactured from the method.

Abstract: Ophthalmic lens molds made from one or more thermoplastic polymer having a low level of UV light transmittance (UV % T) ophthalmic lenses including silicone hydrogel contact lenses molded using these thermoplastic polymer having low UV % T, and methods of manufacturing ophthalmic lenses by cast molding a polymerizable composition in mold members formed of these thermoplastic polymers having low UV % T and curing the polymerizable composition using UV light are described.

Abstract: The disclosure relates to a method for manufacturing a photoaligning integrated large area metallic stamp, which includes the following steps: making a unit device PLC mold pattern, and molding a unit PLC device pattern through a multistep imprinting method using the PLC mold pattern; heat treating the unit PLC device pattern to minimize scattering loss due to surface roughness; making a groove pattern for supporting an optical fiber; making an integrated PDMS mold for a unit device by aligning the unit PLC device pattern and the groove pattern; and repeatedly replicating the integrated PDMS mold for a unit device to make a large area PDMS pattern, and making a large area stamp through electroforming using the large area PDMS pattern.

Abstract: A polymer opal material comprises a three dimensionally periodic arrangement of core particles in a matrix material and exhibits structural colour via Bragg reflection. IN a process for manufacturing such a material, a sandwich structure is provided, of a precursor composite material held between first and second sandwiching layers. A relative shear strain of at least 10% is imposed on the precursor composite material by curling the sandwich structure around a roller. The shear strain is cycled, in order to promote the formation of the three dimensional periodic arrangement.

Abstract: A method of making an axicon includes providing a structure having an axicon-shape cavity, the cavity having a first end and a second end, the first end of the cavity having a cross sectional dimension that is smaller than the second end, placing a polymeric substance into the axicon-shape cavity, and forming an axicon using the polymeric substance.

Abstract: A method of making lenses includes the following steps: A. Provide a photo-curing material into a cavity between a first die and a second die. B. Expose the photo-curing material under predetermined light, whereby the photo-curing material is solidified, and a transmittance of the solidified photo-curing material is greater than 75%. C. Remove the first die and the second die to obtain a lens material; and D. Cut the lens material to obtain a plurality of lenses.

Abstract: A method of making lenses includes the following steps: A. Provide a photo-curing material into a cavity between a first die and a second die. B. Expose the photo-curing material under predetermined light, whereby the photo-curing material is solidified, and a transmittance of the solidified photo-curing material is greater than 75%. C. Remove the first die and the second die to obtain a lens material; and D. Cut the lens material to obtain a plurality of lenses.

Abstract: 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.

Abstract: A substrate for carrying light emitting diodes and a manufacturing method thereof are provided. The substrate includes a bottom portion, a side portion and a reflective element. The side portion is disposed on the bottom portion. An upper surface of the bottom portion and an inner surface of the side portion define a recess where the light emitting diodes and the reflective element are disposed. More specifically, the light emitting diodes are disposed on the upper surface, while the reflective element is disposed along the inner surface of the recess. With the above-mentioned arrangements, the light extraction efficiency of the light emitting diodes can be increased.

Abstract: 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.

Abstract: Methods of manufacturing a panel and resulting panels include a plurality of microholes arranged in a pattern and filled with light transmissive polymeric material. The light transmissive polymeric material occludes the microholes and is set, or cured, by exposure to an energy source using at least two discrete exposure periods separated by an idle or rest period.

Abstract: 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.

Abstract: The present invention relates generally to flexible thin films for use in electro-active optical systems. Embodiments of the invention include thin films having diffractive structures on at least one surface of the film, and methods of making such films. Embodiments of the invention also include lens blanks that comprise such thin films. Embodiments of the invention also include methods of making lens blanks that comprise such thin films.

Abstract: The invention provides 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 dissolves 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 survives during mold opening and demolding process, thereby increasing the production yield.

Abstract: 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.

Abstract: A method of fabricating a transflective display. The method includes providing a first substrate; forming a first electrode thereon; providing a second substrate having a reflective area and a transmissive area opposite to the first substrate; forming a second electrode having a plurality of slits on the second substrate opposite to the first electrode; disposing a liquid crystal layer including a plurality of liquid crystal molecules and monomers between the first electrode and the second electrode, wherein the monomers have a weight ratio of about 0.1-20%; and polymerizing the monomers to form a plurality of non-liquid crystal polymers adjacent to the first electrode and the second electrode.

Abstract: Method of manufacturing a lens assembly by means of a replication process, wherein the following steps are carried out i) introducing a first, liquid, UV curable composition (2) into a first mould (1) provided with regularly spaced-apart cavities (6), ii) curing said first composition by UV radiation so as to obtain a first lens element comprising lenses arranged beside each other, wherein the surface of the obtained lens element is the negative of that of the cavities, in) applying a second, liquid, UV curable composition (5) to the first composition cured in step ii), iv) placing a second mould (4) on the second composition (5) applied in step iii), which second mould is provided with regularly spaced-apart recesses (7), in such a manner that said recesses will fill with the second composition, v) curing the second composition by UV radiation so as to obtain a second lens element comprising lenses arranged beside each other, wherein the surface of the obtained lens element is the negative of that of the rec

Abstract: 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.

Abstract: Ophthalmic lens molds made from one or more thermoplastic polymers with average polarities from about 1% to about 7%, ophthalmic lenses including silicone hydrogel contact lenses molded using these less polar thermoplastic polymers, and related methods are described. When the molds are used to cast mold silicone hydrogel contact lenses, the resulting polymerized lens bodies have ophthalmically acceptably wettable surfaces.