Abstract: A cast photochromic lens including a photochromic film and a cast resin, curable by heat or radiation.

Abstract: 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.

Abstract: A method of forming an optical device having secondary surface features thereon includes disposing a photopolymerizable material between a first substrate and a second substrate such that a rear surface of the photopolymerizable material contacts the first substrate and a front surface of the photopolymerizable material contacts the second substrate, the first substrate being a compliant substrate; and irradiating the photopolymerizable material from the front surface thereof using collimated light so as to induce at least partial polymerization of the photopolymerizable material, wherein the secondary surface features are formed at the rear surface of the photopolymerizable material.

Abstract: A lens film with small warpage even when a transparent base is thin is provided. Pole prisms made of a hardening resin are arranged along the extending direction on a transparent base made of a flexible material. The transparent base has a depression according to a valley between the pole prisms adjacent to each other. The pole prism has a sloping face extending to an inner wall of the depression. The transparent base is in contact with the valley. A layer not functioning as a prism, that is, a so-called skirt layer does not exist between the transparent base and the pole prisms.

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: To provide a manufacturing method of an intraocular lens wherein by using a mold having an optical part molding part for forming a member becoming the optical part by molding, and a support part molding part for forming a member becoming the support part by molding, in which the front optical surface and the rear optical surface can be directly obtained by molding the optical molding part, and the support part can be obtained by applying a additional machining to the member obtained by molding, the method comprises the steps of: injecting a raw material of an intraocular lens into the mold, then polymerizing and hardening the raw material, then machining the member becoming the support part into a shape of the support part in a state that at least the front optical surface and the rear optical surface in the polymerized or hardened members are covered with the optical part molding part of the mold, and releasing the optical part molding part from the mold.

Abstract: According to a method for producing a diffraction optical element of the present invention, the center of a molding face 2 and the center of a substrate 4 are positionally aligned to each other based on a marker 3 of a prescribed shape which is formed at the center of the molding face 2 of a mold 1 and the shape of a diffraction grating 5 of the substrate 4. A nanocomposite material 9 is located between the molding face 2 and the diffraction grating 5, and the material 9 is pressed by the mold 1 and the substrate 4 to form an optical adjusting layer 10 on the diffraction grating 5.

Abstract: A method for coating hydrogel and silicone hydrogel articles, and articles made by the method, are provided in which the coating is first applied to the molding surface in which an article-forming material will be cured to form the article. The method permits the thickness and uniformity of the coating to be more easily controlled than in known coating methods.

Abstract: The present invention includes molds for forming ophtalmic 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 producing a hybrid optical element grouping, wherein a molding die excellent in durability and mold releasing property is used to produce high quality plastic lenses having no strain. This method for producing a hybrid optical element grouping is a method for producing a hybrid optical element grouping comprising a flat glass plate and, disposed thereon, plural optical members formed from an actinic radiation curable resin. The method is characterized by applying the actinic radiation curable resin to a plastic molding die having plural cavities having shapes corresponding to the optical members to fill the cavities with the resin, disposing the flat glass plate on the resin, and irradiating the resin with light from at least one of the molding die side and the flat-glass-plate side to cure the actinic radiation curable resin packed in the molding die.

Abstract: The present invention provides a method for making an ophthalmic device. In particular, the present invention provides a method for production of a contact lens by means of stereolithography. A preferred stereolithography technique is based on polymerization and solidification of a contact lens forming liquid material by actinic irradiation one layer at a time. In addition, the present invention provides systems and methods for making a contact lens for a specific patient based on the prescription.

Abstract: Provided are a lens unit, a lens assembly, a camera module, a method of fabricating the camera module and the lens assembly, a method of fabricating an optic member, and an apparatus of fabricating the optic member. The lens unit comprises a lens portion and a supporting portion. The lens portion has a curved surface. The supporting portion extends from the lens portion. The supporting portion comprises a protrusion or a recess. The method of fabricating the optic member comprises injecting a resin composition inside a mold die, pressing the resin composition; and irradiating light onto the resin composition. Due to the pressure, shrinkage of a photo-curable resin composition can be reduced, and thus, the lens unit comprising the protrusion or recess can be easily fabricated.

Abstract: A method for producing surface convexes and concaves enabling easy and highly precise formation of desired convex and concave shapes using a photomask is provided. A mask member having light transmitting sections and non-light transmitting sections is disposed over one side of a photosensitive film consisting of a photosensitive resin composition with an interval with respect to the photosensitive film, light is irradiated from a light source disposed on the side of the mask member to subject the photosensitive film to light exposure through the light transmitting sections of the mask member, and exposed portions or unexposed portions of the photosensitive film are removed by development to produce convexes and concaves on the photosensitive film in shapes determined by shapes of the exposed portions or unexposed portions.

Abstract: The invention provide a class of actinically-crosslinkable silicone-containing prepolymers which comprise dangling polysiloxane chains each having a terminal ethylenically-unsaturated group and are obtained in a one-step of RAFT polymerization of a reactive mixture comprising a polysiloxane crosslinker, a hydrophilic vinylic monomer, a RAFT agent, and a free-radical initiator. The present invention is also related to silicone hydrogel contact lenses made from a prepolymer of the invention and methods for making the contact lenses in a cost-effective way and with high consistency and high fidelity to the original lens design.

Abstract: The invention provide a class of actinically-crosslinkable silicone-containing prepolymers obtained by functionalizing an intermediary copolymer to have two or more thiol or ethylenically-unsaturated groups covalently attached thereto, wherein the intermediary copolymer is an atom-transfer radical polymerization (ATRP) product of a reactive mixture comprising a polysiloxane ATRP macroinitiator and at least one hydrophilic vinylic monomer. The present invention is also related to silicone hydrogel contact lenses made from a prepolymer of the invention and methods for making the contact lenses in a cost-effective way and with high consistency and high fidelity to the original lens design.

Abstract: The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids.

Abstract: The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids.

Abstract: A method for manufacturing a lens assembly includes the below steps. Firstly, a lens having an optical central portion and an annular connecting portion having a first surface is provided. Secondly, a filter comprising a glass substrate and a filter film formed thereon is provided, the glass substrate has a second surface. Thirdly, the first surface and the second surface are treated with oxygen plasma to improve a hydrophilic property thereof. Fourthly, the filter is positioned on the annular connecting portion, the first surface is in contact with the second surface, and a lens assembly comprising the lens and the filter is obtained.

Abstract: The subject invention provides methods for creating wavefront aberrators with a desired refractive index profile that is stable against thermal and/or solar exposure. The invention further provides wavefront aberrators produced according to the methods described herein.

Abstract: A processing apparatus for transferring a relief pattern on a mold to a resist on a substrate through a compression of the mold against the resist, includes a supplier for supplying the resist between the substrate and the mold, and an illumination optical system for illuminating ultraviolet light onto the resist via the mold so as to cure the resist.

Abstract: A method of manufacturing a vehicle lamp includes providing a housing having a front opening and a transparent cover having a curved front face and a rear face having a welding face portion. The welding face portion of the transparent cover is placed in a closely contacting state with respect to the housing and the transparent cover is joined with the housing so as to close the front opening of the housing by irradiating a welding light ray toward the welding face portion through the transparent cover. The placing includes applying a pressing force against the housing to the transparent cover in a predetermined direction such that an angle of the welding face portion of the transparent cover with respect to the predetermined direction is closer to a right angle than an angle of the front face of the transparent cover corresponding to the welding surface with respect to the predetermined direction.

Abstract: Light transmission devices, such as lenses and windows for portable electronic devices, are produced using an injection/compression molding technique in which a light transmission device mold includes an integral runner in substantially the same plane and with substantially the same wall thickness as the light transmission device to be produced. The finished light transmission devices are mechanically separated from the molded product. Molding equipment and processes traditionally used to produce information discs can be leveraged to produce light transmission devices. Various processes can be performed to add metallization, coatings, and printing to the light transmission devices.

Abstract: A total reflection illuminated sensor chip is employed in a detecting method for detecting a detection target substance including the steps of: supplying a sample that includes the detection target substance onto a metal film formed on a surface of a dielectric prism, irradiating a measuring light beam onto the interface between the dielectric prism and the metal film such that conditions for total reflection are satisfied at the interface, and utilizing evanescent waves which are generated due to the irradiation of the measuring light beam to detect the detection target substance. Polishing streaks in the region of a metal film formation surface of the dielectric film, on which the metal film is formed, have directional properties with respect to a single direction.

Abstract: This invention includes methods and systems for processing hydrogel biomedical devices, such as ophthalmic lenses using polyethylene glycol to facilitate release of the devices from a mold part.

Abstract: 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.

Abstract: An active energy ray curable resin composition for a sheet-like optical article capable of providing a cured material having a dynamic elastic modulus at 25° C. of 950 MPa or less and a dynamic elastic modulus at 60° C. of 100 MPa or more and a sheet-like optical article prepared from the resin composition are disclosed. The sheet-like optical article (e.g., prism sheet) has good heat resistance and extremely small warpage.

Abstract: The instant invention pertains to a method and a fluid composition for producing contact lenses with improved lens quality and with increased product yield. The method of the invention involves adding a phospholipid into a fluid composition including a lens-forming material in an amount sufficient to reduce an averaged mold separation force by at least about 40% in comparison with that without the phospholipids.

Abstract: A method of forming a waveguide including a core region, a cladding region, and an index contrast region situated therebetween includes depositing a polymerizable composite on a substrate to form a layer, patterning the layer to define an exposed area and an unexposed area of the layer, irradiating the exposed area of the layer, and volatilizing the uncured monomer to form the waveguide, wherein the polymerizable composite includes a polymer binder and sufficient quantities of an uncured monomer to diffuse into the exposed area of the layer and form the index contrast region. The resulting waveguide includes an index contrast region which has a lower index of refraction than that of the core and cladding regions.

Abstract: A method for making an optical element comprises polymerizing a first monomer to form a first polymer, the first polymer having a spatially varying degree of cure that provides a predetermined refractive index profile; and polymerizing a second monomer in the presence of the first polymer to form a second polymer intermixed with the first polymer, the second polymer stabilizing the first polymer and the refractive index profile.

Abstract: A heat-ray reflective film, containing: a convex-concave portion formed by arranging a plurality of concave portions in one surface of the heat-ray reflective film using the surface as a base plane; and a conductive layer formed on a surface of the convex-concave portion, wherein each of the concave portions has a depth of less than 1 ?m, and the conductive layer has a thickness of 1 ?m or less, and wherein the convex-concave portion contains a slanted side wall, and the heat-ray reflective film satisfies the relationship of: (A/B)×100?20% where A denotes a projected area obtained by vertically projecting the slanted side wall of the convex portion onto a horizontal plane, and B denotes a projected area obtained by vertically projecting the entire concave portion onto a horizontal plane.

Abstract: Molded articles, such as a lens, are produced by multiple repetitions of a transfer process composed of the transformation step of bringing a transfer member (62) provided with a transfer configuration area consisting of the same configuration as that of a lens part with aspherical configuration or the configuration opposed to the lens part with aspherical configuration into contact with a photohardening resin to thereby transform the photohardening resin in conformity with the transfer configuration of the transfer member (62); the hardening step of irradiating at least a transformed area of the transformed photohardening resin with light by the use of a light irradiation unit (60) to thereby attain hardening; and the departing step of letting the photohardened resin and the transfer member depart from each other.

Abstract: Linear notch patterns at fixed intervals are formed by contacting blades 6a on a drum 6 with a film F and mechanically transferring the shape of the blades 6a to the film F. The notch pattern is formed to be approximately parallel to the axial direction of the drum 6. When a flexural stress is applied in the direction of the film F transport by passing the film over the bending roll 8 while applying a predetermined tension thereto, crazes or cracks are formed inside the notch patterns, with the notches in the notch patterns serving as starting points thereof. Since crazes or cracks are formed using the notch patterns as starting points, relatively large crazes or cracks can be obtained, and optical characteristics can be controlled at a high level.

Abstract: 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. In order to create a novel, continuous method for the production of structured optical materials, which is more economical than the known production method, it is proposed within the scope of the invention that optical material be applied to a carrier, a carrier or protective film be laminated onto the optical material, the resulting laminate be exposed to light and thereby structured, and subsequently a delamination of at least one of the films be performed.

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: Methods and systems are provided for making an ophthalmic lens. The present methods and systems are effecting in coupling two mold sections together at two or more discrete regions. Embodiments of the methods and systems form a bore that extends completely through one of the mold sections and only partially through the other mold section. During formation of the bore, the mold material in proximity to the bore being formed becomes molten and diffuses from the bore. A portion of the molten mold material is provided at a contact point between the two mold sections and when the molten material cools, the material forms a spot weld between the mold sections. By forming multiple hollow spot welds in a mold assembly, the two mold sections can be securely coupled to each other during the manufacture of an ophthalmic lens, such as a silicone hydrogel contact lens.

Abstract: Methods and apparatus are provided for making an ophthalmic lens. Apparatus are provided for filling contact lens shaped cavities of contact lens molding assemblies. Methods of coupling and fusing contact lens mold sections are also provided and generally include providing first and second mold sections which, when coupled together, are effective to form a lens-shaped cavity and contact regions between the mold sections. One or both of the mold sections may include one or more recessed regions or projections which provide areas of non-fusion and areas of fusion, respectively, when the mold sections have been filled with a contact lens precursor material and are fused together, for example, by focused ultrasound energy.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: 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.

Abstract: A method for fabricating micro-lenses and a method for fabricating micro-lenses by photolithography are provided. The method includes forming a plurality of micro-cavities in a substrate, filling lens material into each of the micro-cavities, and heating the lens material, thereby reflowing the lens material so as to form a plurality of micro-lenses in the substrate. The micro-cavities define a boundary of each of the micro-lenses formed by reflowing the lens material, thereby preventing adjacent micro-lenses from fusing together by reflowing when overheated. The process uses negative photoresist and positive photoresist as micro-cavities and lens material respectively, thereby streamlining the fabrication method and its steps.

Abstract: This invention discloses methods and apparatus for providing a media insert with a Data Processor into an ophthalmic lens. An energy source is capable of powering the Data Processor included within the ophthalmic lens. In some embodiments, an ophthalmic lens is cast molded from a silicone hydrogel.

Abstract: A sheet-like optical member being difficult to damage a shape of a lens part. The sheet-like optical member includes: a substrate; and a lens part, which is formed on the substrate, is made of an active energy ray-curable resin, and has a plurality of unit prisms. The maximum logarithmic attenuation rate ?E of the lens part measured by a rigid body pendulum method is 0.4 or less.

Abstract: The present invention provides an optical sheet placed in a backlight assembly and the manufacturing method therefor. There are pluralities of first microstructures on the surface of the optical sheet. The optical sheet is mainly made of cured photo resin, for instance: ultraviolet glue. The optical sheet has higher performance and lower cost.

Abstract: Devices and components that can interact with or modify propagation of electromagnetic waves are provided. The design, fabrication and structures of the devices exploit the properties of reactive composite materials (RCM) and reaction products thereof.

Abstract: A molded product having a phase separation structure formed by photopolymerization of a photopomerizable composition and imparting a sharp diffraction spot at a high diffraction efficiency, and a method for manufacturing same are provided. The molded product (1) comprises a matrix (2) and a multiple columnar structures (3) disposed within the matrix (2) and having an index of refraction different from the matrix (2), wherein the half width of a diffraction spot is 0.6° or less and diffraction efficiency is 10% or greater in an angular spectrum obtained by irradiation with a laser beam having an intensity distribution of standard normal distribution and a half width of the intensity distribution of 0.5°. The multiple columnar structures (3) are oriented in approximately the same direction, and are aligned in a regular lattice on a plane perpendicular to said orientation direction.

Abstract: The present invention provides a method for smoothing an optical surface of an optical component for EUVL. Specifically, the present invention provides a method for smoothing an optical surface of an optical component for EUVL made of a silica glass material containing TiO2 and comprising SiO2 as a main component with a laser having an oscillation wavelength, to which the optical component for EUVL has an absorption coefficient of 0.01 ?m?1 or more, at a fluence of 0.3 to 1.5 J/cm2 in an atmosphere having a water vapor partial pressure of 3.6 mmHg or less.

Abstract: A hybrid optical film, a display device having the same, and a method of manufacturing the same are provided. The hybrid optical film is provided in front of a display module of a display device to serve as a display filter. The hybrid optical film is in the form of a single-film. The hybrid optical film includes a film substrate; a first optical pattern directly formed on one side of the film substrate; and a second optical pattern directly formed on the other side of the film substrate. The hybrid optical film can reduce manufacturing costs due to a simplified structure and improve productivity due to a simplified manufacturing process.

Abstract: Systems and methods are operable to focus light. An exemplary embodiment has a MEMS substrate, a first cylindrical lens having a first cylindrical surface, and a second cylindrical lens having a second cylindrical surface that is oriented perpendicular to the first cylindrical surface. Light passing through the first and second cylindrical lenses is focused.

Abstract: An optical element (50; 72a-d; 80; 90), which has a first optical member (1; 51; 86; 93; 101) with at least one indentation (2a-f; 20; 25; 30; 35; 40; 57a-c; 100) at a first surface (3) thereof, and a second optical member (5; 52; 87a-c; 94; 104) attached to the first surface (3) of the first optical member (1; 51; 86; 93; 101), this second optical member (5; 52; 87a-c; 94; 104) essentially conforming to the at least one indentation (2a-f; 20; 25; 30; 35; 40; 57a-c; 100) in the first optical member. The optical element further comprises at least one reflector (9-10; 55a-c; 85a-c; 92a-e) at an interface between the first and second optical members, the at least one reflector being located at the at least one indentation. The reflector (9-10; 55a-c; 85a-c; 92a-e) is formed by an interface between a cavity (8) formed between the first and second optical members and one of the first and second optical members.

Abstract: The present invention relates to a radiation curable resin composition which comprises epoxy (meth)acrylate, a monofunctional (meth)acrylate, a bifunctional (meth)acrylate having a specific structure, and a bifunctional (meth)acrylate obtained from an aliphatic dihydric alcohol having an oxyalkylene structure and (meth)acrylic acid and further contains a thermoplastic resin, thereby causing satisfactory adhesion to plastic substrates, sufficient shape retention, and excellent shape recovery properties, and satisfaction in moldability including casting efficiency and shape reproducibility, as well as a high refractive index and appropriateness for use as a lens sheet.

Abstract: An actinic-energy-ray-curable resin composition (10) is supplied to the nip between a roll-shaped die (7) obtained by subjecting the peripheral surface of a roll-shaped metal member to blasting to thereby form a finely roughened structure and a filmy light-transmitting substrate (9) disposed along the peripheral surface of the roll-shaped die (7), thereby forming the actinic-energy-ray-curable resin composition (10) into a thin film. The finely roughened structure in the peripheral surface of the roll-shaped die (7) is transferred to a surface of the thin film. This actinic-energy-ray-curable resin composition (10) is cured to form a light-transmitting thin film. This film is bonded to the surface of the light-transmitting substrate (9) to obtain an antiglare film. That surface of the light-transmitting thin film which has the finely roughened structure has an arithmetic average inclination angle of 0.5-3.5 degrees.