Abstract: The invention provides a cost-effective method for making a silicone hydrogel contact lens which has a good wettable coating with a good durability.

Abstract: In a process for the production of mouldings, e.g. contact lenses, a starting material which contains a photoinitiator with a spectral absorption (AC) in a given wavelength range is exposed to a predefined amount of light of a wavelength from this given wavelength range. Polymerisation and/or crosslinking of the starting material is thereby initiated, and in this way a demouldable moulding is formed The intensity of light is measured, to which end a broadband photoreceiver (511) is used, in front of which receiver a filter (510) is arranged, the transmission (TC1, TC2, TC3; TC4) of which is designed such that the light passing through the filter (510) and impinging on the photoreceiver (511) corresponds in its intensity to the light absorbed by the photoinitiator based on its spectral absorption (AC) at the wavelength from the given wavelength range.

Abstract: A mold structure, a patterning method thereof and a method of fabricating an LCD device using the same are disclosed, which can realize a conformal contact by applying a voltage between a mold structure and a material layer being opposite to each other in an In-Plane Printing process, so as to prevent defective patterns, wherein the mold structure comprises a mold whose surface is provided with patterns; a backplane for supporting the mold; and a conductive film formed between the backplane and the mold.

Abstract: The present invention provides a lens barrel array, a lens array and a method of making the same. The lens barrel array is realized all together in collective operation, and intended to be separated later on to be used as lens barrels of individual module. The lens array including plates, each of which has a hollow portion, attached together and lenses mounted in the hollow portions respectively. The lens array is intended to be separated later on to be used as lens barrels of individual module. The method includes the steps of providing a plurality of plates with hollow portions thereon, installing lenses into the hollow portions respectively, and attaching the plates together to form lens barrel array with a plurality of lens, each of which includes the hollow portion and the lenses, intended to be separated later on to be used as lens barrels of individual module.

Abstract: A method for treating a surface of a fluorinated silicone-containing ophthalmic device is provided, the method comprising plasma treating the fluorinated silicone-containing ophthalmic device with a hydrogen-containing atmosphere in the presence of an oxidizing source thereby increasing the wettability and/or biocompatibility of the device.

Abstract: The present invention provides inks and methods for making colored silicone hydrogel contact lenses. The ink of the invention comprises an actinically-curable binder copolymer comprising fluorine-containing segments and is characterized by having capability to be cured actinically or thermally to form a colored film on a molding surface of a mold or a silicone hydrogel contact lens and by having an increased durability in a solvated state in a silicone-hydrogel lens formulation in relation to a control colored film obtained from a control ink including an actinically-curable fluorine-free binder copolymer. The invention also provides methods for making colored silicone hydrogel contact lenses based on print-on-mold processes for producing colored contact lenses.

Abstract: There is provided an optical component. An optical component according to an aspect of the invention includes a lens holder including a first electrode, an insulating structure formed on the first electrode and having a through hole provided as an optical path, and at least one second electrode formed inside the insulating structure to encompass the through hole, and at least one microlens located in the through hole and formed of transparent resin.

Abstract: The present invention provides a method of modifying a lens, for example an ophthalmic lens. The method comprises providing an optically transparent lens comprising an organic polymer composition containing a photochemically active dye. The optically transparent lens is irradiated with light having a wavelength and an intensity sufficient to transform at least a portion of the photochemically active dye into a photoproduct or photoproducts within the irradiated volume elements of the optically transparent lens to produce refractive index variations in a modified optically transparent lens. In certain embodiments, the modified optically transparent lens is subjected to a stabilization step to provide a light stable modified optically transparent lens. Stabilization is required only when the starting photochemically active dye and/or the photoproduct(s) are unstable under ambient conditions.

Abstract: The present invention generally relates to a laminated image panel and a fabrication method thereof for projecting images projected from an image optical engine, on a screen by reflecting and/or transmitting the images. The laminated image panel in accordance with the present invention comprises front elements, rear elements disposed in opposition to the front elements, sealants for forming a predetermined cell by mutually bonding opposed rim parts of the front elements and the rear elements and for sealing the front and rear elements by separating the front elements from the rear elements at certain intervals, and a diffusing medium injected into the cell and uniformly diffusing the projection images in transparent and/or semitransparent state.

Abstract: The present invention provides a lithographic method for manufacturing molds, and mold inserts, for use in producing ophthalmic lenses. The invention may be used in a method for the delivery of customized ophthalmic lenses to a lens wearer.

Abstract: An optical fabrication method which is capable of adjusting a hardness and a density needed for each optical fabrication area in fabricating a three-dimensional fabricated article through sintering with a light beam, and is excellent in a working efficiency performs the steps of forming a powder layer of a predetermined thickness and then sintering the powder layer with a light beam, a predetermined number of times, cutting a periphery of the powder layers, and changing a degree of sintering by changing an amount of irradiation per unit area of a light-beam sintered surface according to a shortest distance from a peripheral surface of each powder layer.

Abstract: The corneal implant of the current invention takes the general form of a thin, transparent, flexible, porous, biocompatible film of suitable polymer material. The implant is sufficiently porous, the porosity being imparted by the film being irradiated to produce tracks and the material in those tracks being subsequently removed through an etching process, to allow the adequate flow of gaseous and tissue fluid components through the film. Specific embodiments of the invention are achieved by the addition of features to the general form. The embodiment applicable to corneal reshaping features a surface relief pattern in the implant. The artificial iris embodiment features an imprinted partly to fully opaque or partially reflective annular iris pattern of selected inner and outer diameters.

Abstract: An optical element manufacturing method according to the present invention includes: disposing a mask on a transparent photosensitive resin; patterning said transparent resin by applying an exposure light to said transparent photosensitive resin through said mask to form a transparent layer; forming a light absorbing layer by filling a gap in the transparent layer with a black curable resin; and illuminating a mask surface of the mask with the exposure light at an angle.

Abstract: The present invention includes molds for forming opthalmic lenses, such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that includes two or more mold parts with at least one of the mold parts including a flange surface and a static charge differential between each mold part, including the flange surface.

Abstract: A method for making an optical element includes the steps of: coating a curable resin on a substrate so as to form a curable resin layer on the substrate; embossing the curable resin layer so as to form a plurality of micro-protrusions thereon; and exposing the curable resin layer directly to a power source so as to cure the curable resin layer.

Abstract: An exemplary image sensor includes a micro lens arranged in a horizontal direction and a vertical direction, neighboring lenses in the horizontal direction and the vertical direction in the micro lens array without having a gap, and a gap between the neighboring lenses in a diagonal direction.

Abstract: A color sensor includes: a substrate; first to third light receiving elements on the substrate; a red light filter for passing a red light and a first near infrared light block filter for blocking a near infrared light on the first light receiving element; a green light filter for passing a green light and a second near infrared light block filter on the second light receiving element; a visible light block filter for blocking a visible light on the third receiving element; and an ultraviolet light block plate disposed over the first and second near infrared light block filters and the visible light block filter.

Abstract: A method for joining optical members, comprising a step of forming one dielectric thin film on a joining surface of one optical member, a step of forming another dielectric thin film on a joining surface of another optical member, and a step of making contact without scattering light between the one dielectric thin film and the another dielectric thin film together, wherein optical wavelength property as required can be obtained by joining the another dielectric thin film with the one dielectric thin film.

Abstract: There is provided a radiation sensitive refractive index changing composition containing an inorganic oxide particle, a polymerizable compound, a radiation sensitive decomposer and an escapable compound. The radiation sensitive decomposer decomposes upon exposure to radiation to form an acid, base or radical, and this decomposed product increases the molecular weight of the polymerizable compound.

Abstract: The present invention is directed to a body having a first area and a second area separated by a recess. The recess is dimensioned to reduce, if not prevent, a liquid moving along a surface of the body from traveling between the first and second areas. One or more alignment marks may be positioned within one of the first and second areas. In this manner, the recess functions as a moat by reducing, if not preventing, a quantity of the liquid from being in superimposition with the alignment marks.

Abstract: The footprint of a reactive atom plasma processing tool can be modified using an aperture device. A flow of reactive gas can be injected into the center of an annular plasma. An aperture can be positioned relative to the plasma such that the effective footprint of the plasma can be changed without adjusting the gas flows or swapping out the tool. Once the aperture and tool are in position relative to a workpiece, reactive atom plasma processing can be used to modify the surface of the workpiece, such as to etch, smooth, polish, clean, and/or deposit material onto the workpiece. If necessary, a coolant can be circulated about the aperture. Multiple apertures can also be used to provide a variety of footprint sizes and/or shapes. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.

Abstract: The present invention includes molds for forming a biomedical device, such as an ophthalmic lens. The present invention also includes methods and systems for forming a mold part to process biomedical devices, such as ophthalmic lenses.

Abstract: Anti-glare film including anti-glare layer. The anti-glare film is obtained by coating or casting a liquid compositions containing a polymer, a curable resin precursor, and a solvent on a transparent plastic film, evaporating the solvent, forming a phase separation structure by spinodal decomposition, and curing the curable resin precursor by irradiation with light. The disclosed anti-glare film prevents reflection of surrounding scenery and dazzle in a display surface.

Abstract: Provided is a method of producing a multilayer optical recording medium, which is capable of producing the recording medium with high accuracy of distances between layers without necessity of disposing stampers, and which includes the steps of (a) forming a resin layer with respect to a support substrate; (b) disposing a stamper on the resin layer and irradiating a light beam thereto through the support substrate or the stamper to transfer an unevenness pattern of the stamper to the resin layer; (c) forming a recording layer on the resin layer; (d) repeating the steps (a) to (c) n times to stack n layers of resin layer with recording layer on the support substrate; (e) bonding a base substrate to the n-th recording layer through an adhesive layer; and (f) peeling off the support substrate.

Abstract: A rotation table transfers a casting mold M injected with a plastic composition in a circular manner. An active-energy-ray irradiating area is provided to irradiate active energy rays onto the casting mold M in a predetermined angular range when the casting mold M is loaded on the rotation table and the rotation table is rotated once. A servo motor drives the rotation axis of the rotation table. A controller controls the servo motor such that the active energy rays from an ultraviolet lamp are irradiated onto the casting mold M in the active-energy-ray irradiating area for a required time. When the rotation table is intermittently rotated by 60° degrees in a counterclockwise direction, the casting mold M supplied from a supplying/removing area is irradiated by the ultraviolet rays in the active-energy-ray irradiating area, gradually cooled in the cooling area, and returned to the supplying/removing area again and is removed.

Abstract: Disclosed are photo or electron beam curable polymerizable compositions, and preparation thereof and devices containing such cured material. The composition contains completely or substantially completely hydrogenated hydrocarbon-based material completely free or substantially free of carbon-carbon double and triple bonds containing photo or electron beam curable terminal or pendant groups, low-outgassing photoinitiators, an optional viscosity adjustment component and an optional filler. The composition is visible light, UV or electron beam curable. It cures into a low-modulus, low outgassing polymer material. The composition can be used as an adhesive, sealant or lens potting material. It is ideal for use in lithographic tools and other optical devices involving deep or vacuum ultraviolet radiations, in particular, as lens potting materials for 248 nm, 193 nm and 157 nm lithographic tools, as well as other optical devices involving using high fluence irradiation.

Abstract: The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 ?m, and in contacting the irradiated face of the article with a colouring agent so as to diffuse the colouring agent in the entire thickness of the photodegraded surface layer of the article. The invention is useful for optical and ophthalmologic articles.

Abstract: The invention relates to a method of manufacturing a replica, which method comprises the provision of a polymerizable resin composition between a front mold having a pre-shaped surface and a back mold having a pre-shaped surface, carrying out a curing treatment and removing the replica thus manufactured from the molds. The invention further relates to a replica obtained by carrying out a UV light-initiated cationic polymerization.

Abstract: A method and mold assembly to control the polymerization of a cast optical device. The mold assembly includes at least one mold portion having a non-critical surface with fresnel or diffractive geometry. Alternately, a fresnel lens or diffractive lens may be placed at a predetermined distance from the mold.

Abstract: A contact lens blocking composition with desirable melt properties can comprise a water soluble polymer such as a polyalkylpolyimine combined with a filler such as a highly soluble salt composition. The blocking composition can be readily removed from a shaped contact lens after machining and from the mandrel or other tool used in shaping the lens. The blocking composition is readily removed using an aqueous wash, aqueous washing solutions or ultrasonic cleaning procedures.

Abstract: A method for manufacturing a brightness enhancement film of a liquid crystal display and a structure thereof are provided. The method includes: (a) providing a first substrate, (b) forming a first macromolecule liquid crystal on said first substrate, (c) curing a part of said first macromolecule liquid crystal on said first substrate for forming a first light transmitting layer, (d) providing a second substrate, (e) forming a second macromolecule liquid crystal on said second substrate, (f) curing a part of said second macromolecule liquid crystal on said second substrate for forming a second light transmitting layer, (g) combining a non-curing part of said first macromolecule liquid crystal and said second macromolecule liquid crystal for forming a third macromolecule liquid crystal between said first light transmitting layer and said second light transmitting layer, and (h) curing said third macromolecule liquid crystal for forming a third light transmitting layer.

Abstract: The invention relates to a rapid prototyping apparatus for the manufacturing of three dimensional objects by additive treatment of cross sections comprising a wholly or partially light-sensitive material, said apparatus comprising at least one light source for illumination of a cross section of the light-sensitive material by at least one spatial light modulator of individually controllable light modulators, wherein at least one light source is optically coupled with a plurality of light guides arranged with respect to the spatial light modulator arrangement in such a manner that each light guide illuminates a sub-area of the cross section. According to the invention, it is possible to obtain a significant simplification of an RP design system, just as the apparatuses designed are essentially capable of creating prototypes of any size, according to the invention.

Abstract: An antireflective member with stability and a low reflectance at low cost may be provided by performing an antireflective treatment to a substrate in a molding process of the substrate. A roughened surface with a continuous pattern in a fine pyramidal shape is formed on a surface of a transparent substrate, the roughened surface is a diffraction surface with zeroth-order diffraction to visible light, and the pattern of the roughened surface is transferred from a mold at a transfer rate of not less than 70%.

Abstract: An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in a mould, surfaces complementary to the working and neutral surfaces of the component; and moulding the component on these surfaces of the mould. The step of forming the complementary surfaces in the mould is carried out by continuous cutting of a block of material using a cutting tool.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.

Abstract: An ophthalmic lens made from a crosslinkable polymer containing H-active groups bonded to the oligomer or polymer backbone, some or all of whose hydrogen atoms have been substituted by radicals of a N-hydroxyalkyl (meth)acrylamide. The lens transmits at least 70% of visible light.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, save prescription information, and generate one or more job tickets. One or more of the job tickets may be readable by a monitoring device.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.

Abstract: A method of manufacturing an optical device including: on at least one of a light transmitting first substrate and a second substrate which includes a first optical element having a first optical portion and a second optical element having a second optical portion, forming a first spacer in a form to surround the first optical portion, and then forming a second spacer in a form to surround the second optical portion; sealing the first and second optical portions with the first substrate and the first and second spacers by connecting the first substrate to the second substrate with the first and second spacers interposed; and cutting the second substrate to separate the first and second optical elements respectively having the first and second sealed optical portions.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.

Abstract: A microlens array having a resin layer forming convex lenses, wherein the resin layer comprises a cured product of a polycarbodiimide resin represented by formula: wherein R represents a diisocyanate residue; R1 represents a monoisocyanate residue; and n represents an integer of 1 to 100.

Abstract: The present invention provides a method for forming an optical coupling device on a substrate by disposing a material onto the substrate that is polymerizable in response to actinic radiation. A stack of the material is formed by contacting the material with a template having a stepped-recess formed therein. The material is then solidified into an optically transparent body with a surface having a plurality of steps by subjecting the stack to actinic radiation. To that end, the material may comprise an acrylate component selected from a set of acrylates consisting essentially of ethylene dio diacrylate, t-butyl acrylate, bisphenol A diacrylate, acrylate terminated polysiloxane, polydifluoromethylene diacrylate, perfluoropolyether diacrylates and chlorofluorodiacrylates. Alternatively, the material may include a silylated component selected from a group consisting essentially of (3-acryloxypropyltristrimethylsiloxy) silane.

Abstract: A microlens of the present invention may include a liquid droplet whose position and/or surface curvature may be changed (tuned), e.g., by selectively biasing one or more electrodes configured to said droplet. The droplet may then be solidified to fix a desired configuration (e.g., focal length) of the microlens. In one embodiment, the droplet has an optically curable liquid adhesive that is polymerized under exposure to UV light. Microlenses of the present invention may be used, for example, in optical devices to obtain and then maintain optimal coupling between various optical components.

Abstract: A high refractive index, curable, synthetic resin composition comprising a core resin composition composed of a mixture of ethylenically unsaturated compounds, and an initiation system containing both photo and thermal initiators, particularly a photochromic resin composition which further includes at least one photochromic dye. Also a curing process, which includes a combination of multi-step radiation curing and thermal annealing. Articles produced of cured composition exhibit superior physical and, in appropriate cases, photochromic properties and can be easily mass produced on a commercial scale due to short processing time and use of readily available chemicals.

Abstract: To improve the quality of transfer signal by reducing loss of azimuth when the magnetic transfer is performed by bringing a master carrier and a slave medium into close contact with each other and applying transfer magnetic field thereto, even if the width of track is narrowed. The master carrier 3 has a pattern which corresponds to a transfer information for high density recording and is formed of a soft magnetic layer 32 with a width W of track of 3 ?m or less, wherein the pattern is written and formed by scanning with an electron beam EB of which a writing diameter d is smaller than the width W of track, on a same track over plural times. Writing is performed approximately to a rectangular shape, whereby the loss of azimuth can be reduced and the accuracy of transfer can be enhanced.

Abstract: This invention relates to the preparation of molds for the production of contact lenses and other ophthalmic articles. By using an inorganic material to coat the optical surfaces and sidewalls of mold parts made from clear-resin materials, manufacturers can produce lens molds with greater dimensional stability and chemical resistance. In addition to protecting the clear resin from interaction with otherwise reactive monomers from which the molded article is made, such coatings can also be used to achieve preferential release of the molded article. The resulting mold is especially useful for providing an economical way to improve manufacturing quality of contact lenses.

Abstract: In a method of manufacturing a plastic optical fiber by heating and drawing either one end portion of a transparent plastic rod, a plastic optical fiber having a cross sectional form approximately similar to the cross sectional form of the transparent plastic rod, the transparent plastic rod is heated by exposing near infrared ray which is radiated from a near infrared ray source. This can prevent the plastic optical fiber from causing to blow many bubbles on the surface and heat degradation to allow the plastic optical fiber to be obtained with a high quality.

Abstract: A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner.