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: The gauge lens with anti-fog includes a substantially planar transparent lens substrate having an outer surface and an inner surface and a thin film possessing anti-fog properties adjacent and substantially covering the inner surface of the lens substrate to provide a low angle of contact for water and moisture. The anti-fog film is bonded to the lens substrate during the molding process that produces the lens substrate shape. The anti-fog film comprises a hydrophilic material or is coated with a hydrophilic coating. In addition to the anti-fog film, in another embodiment, the outer surface of the lens substrate has a hard coat film adjacent and substantially covering the outer surface of said lens. The materials for the lens substrate, anti-fog film, and hard coat film are selected based on the application, performance, and stability of the gauge lens in the environment that it is operated.

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: The present invention aims to improve shape precision of a molded body when a plurality of molded bodies, which are projections or recesses made of a curable resin, are formed on both sides of a glass substrate. Disclosed is a method for producing a molded body, which comprises a step of preparing a first mold having a plurality of negative molding surfaces having shapes corresponding to a plurality of molding parts; a step of applying a curable resin onto a surface of the first mold on which the molding surfaces are formed; and a curing step of curing the applied curable resin. The curing step includes a photocuring step wherein curing of the curable resin is carried out by irradiating the resin with light, and a heat curing step wherein the curable resin partly cured by the photocuring step is further cured by being subjected to a heat treatment.

Abstract: A method and system for generating an optical fiber is provided. The method includes creating a green fiber consisting primarily of a ceramic material and sintering the green fiber with a laser by moving the green fiber through a beam of the laser to increase the density of the fiber after sintering. The system for creating a continuous optical fiber includes an extruder, a processing chamber and a laser. The extruder is configured to extrude a ceramic slurry as a green fiber. The processing chamber is configured to receive and process the green fiber. And, the laser is configured to direct a laser spot on the green fiber exiting the processing chamber to sinter the green fiber.

Abstract: There is described a method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens. After polymerization and/or cross-linking of a lens forming material (P) within a mold cavity (4) of a mold (1) comprising female and male mold halves (2, 3) to form an ophthalmic lens non-polymerized and/or non-cross-linked lens forming material is flushed away from the mold halves (2, 3) with a jet of a fluid flushing medium, such as, e.g., water or a solvent or an inert gas. Subsequently the molded lens is dried. In accordance with the invention the flushing is accomplished with the mold halves (2, 3) still in the closed position. There is also described an apparatus for carrying out the method.

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: Apparatus and methods for injection molding intraocular lenses includes an embodiment having first and second runners extending into first and second optic cavities of a mold configured to make a dual optic lens device.

Abstract: A mold set includes: a first mold and a second mold placed so that they sandwich an optical material and face each other; and a first spacer and a second spacer provided between the first and second molds, wherein: the first spacer secures an interval between the first and second molds at a first temperature achieved in a process of pressurizing the optical material; the first spacer shrinks in a mold opening-closing direction more greatly than the second spacer while the first temperature is changing to a second temperature achieved in a process of cooling the optical material; and the second spacer secures the interval between the first and second molds at the second temperature.

Abstract: A system for determining the shape of a cornea of an eye illuminates at least one of the interior surface, the posterior surface, and the interior region of the eye with infrared light of a wavelength that can generate fluorescent light from the portion of the cornea illuminated. The generated fluorescent light is then detected. A step of illuminating can comprise focusing the infrared light in a plurality of different planes substantially perpendicular to the optical axis of the eye. From the detected light it is possible to create a map of at least a portion of the interior surface, at least a portion of the posterior surface, and/or portion of the interior region of the cornea. Clarity of vision can be determined by generating autofluorescence from proteins in the pigment epithelial cells of the retina.

Abstract: A method for producing a mold for molding a lens wherein the upper surface of a glass material to be molded is molded by a thermal sag method using a continuous heating furnace. A mold having a curvature distribution on the molding surface is used, the highest temperature direction from the geometric center of the molding surface to the highest temperature point in the furnace is determined in one or more regions by measuring the temperature at a plurality of measuring points on the molding surface and the mold is rotated during the forming of the mold in which an eyeglass lens is subsequently molded.

Abstract: A method for fabricating a light guide plate includes the following steps. Injection molding a light guide plate to obtain a light guide plate with a stub. Cutting away the stub to obtain a light guide plate with a cut edge. Providing a thermal resetting apparatus having an nano release material layer. A thermal melting temperature of the nano release material layer is higher than that of the light guide plate, heating the thermal resetting apparatus to make a temperature of the nano release material layer higher than the thermal melting temperature of the nano release material layer. And resetting the cut edge of the light guide plate by contacting the nano release material layer of the thermal resetting apparatus with the cut edge of the light guide plate to obtain a light guide plate with a smooth edge.

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: 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: The present invention relates to a structure with luminous and visual effects, a light transmissive sheet thereof, and a method for making the same. The light transmissive sheet includes a first layer, a light transmissive intermediate layer and a second layer. The material of the first layer, the light transmissive intermediate layer and the second layer is polyurethane resin. The light transmissive intermediate layer is disposed on the first layer, and the second layer is disposed on the light transmissive intermediate layer. At least one pattern is formed on the first layer or the second layer, and the pattern penetrates the first layer or the second layer. When light irradiates the light transmissive sheet, the pattern is shown, so the light transmissive sheet has luminous and visual effects.

Abstract: A method of making an ocular lens device (and resulting lens device) from a polyolefin copolymer material having a crosslinking component, wherein the material is processed to remove unwanted reaction byproducts that can contribute to reduced transparency of the polyolefin copolymer material in the ocular environment of the eye.

Abstract: A method of manufacturing a mold includes following steps. Providing a solution, which includes a solvent, a solute and a plurality of nanoparticles. Providing a first substrate. Spin coating the solution on the first substrate, and then vaporizing the solvent to form a first mold on the first substrate. Thus, an upper surface of the first mold has a plurality of first porous structures. The present invention further includes forming an optical film having protrusion patterns with the aforementioned mold.

Abstract: A method of directly molding a fiber optic ferrule on an end of a fiber optic cable is disclosed. The method preferably includes stripping a cable jacket and/or a buffer layer from optical fibers of the fiber optic cable and trimming the optical fibers with a laser thereby creating trimmed ends on the optical fibers. The optical fibers and preferably a pin assembly are held near the end of the fiber optic cable by an optical fiber and pin locator. The optical fiber and pin locator can statically or dynamically hold and position the optical fibers and pin assembly. After the optical fibers and/or the pin assembly are positioned, a fixture is attached to the trimmed ends of the optical fibers and/or the pin assembly thereby preserving their relative position to each other. After the fixture is attached, the optical fiber and pin locator is removed, and the end of the fiber optic cable with the attached fixture is placed into a mold cavity.

Abstract: A processing method for a mold (1) to form a pattern of recessed portions (13) on a product forming surface (11) formed on the mold (1) includes a photoresist forming step in which a thermally deformable heat-mode photoresist layer (12) is formed on the product forming surface (11), a laser beam illumination step in which a laser beam is applied to the photoresist layer (12) by an exposure device incorporating a semiconductor laser to form a pattern of recessed portions (13), and an asperity forming step in which asperities are formed on the product forming surface (11) by making use of the pattern of recessed portions (13).