Patent classifications
B29D11/00865
APPARATUS FOR MANUFACTURING LIGHT CONTROL FILM AND LIGHT CONTROL FILM MANUFACTURED BY SAME
An apparatus for manufacturing a light control film and a light control film manufactured by the same are provided. The apparatus comprises a film supply device supplying a base film, and a pattern formation mold applying pressure onto one side of the base film to form a pattern thereon, wherein the pattern formation mold comprises a main body and a pattern formation structure protruding from an outer surface of the main body and extending in a first direction, wherein a cross-section perpendicular to the first direction of the pattern formation structure comprises a pair of first intersecting lines, one ends of which are connected to the main body, and having a first intersecting angle; and a pair of second intersecting lines extending from the other ends of the pair of first intersecting lines respectively, and having a second intersecting angle smaller than the first intersecting angle.
METHOD FOR MANUFACTURING AN OPTICAL COMPONENT WITH IMPROVED QUALITY SURFACE USING ADDITIVE MANUFACTURING
A method of manufacturing an optical component having at least one optical function, comprising: —manufacturing using an additive manufacturing process at least part of an optical element (40) by depositing a plurality of pre-determined volume elements (14) of polymerizable material, a part of the optical element (40) being configured to provide at least a part of the optical function of an optical component, said additively manufacturing being performed such that the optical element (40) comprises an unfinished peripheric surface (42), said unfinished peripheric surface (42) having a relief pattern (44) formed by traces of the additive manufacturing process and having at least one depression (18) with regard to another part of the peripheric surface (42), —coating said unfinished peripheric surface (42) with a layer (50) of coating liquid (46) configured to at least partially fill the at least one depression (18).
LENS ASSEMBLY, CAMERA MODULE HAVING A LENS ASSEMBLY FOR MOTOR VEHICLES, AND A METHOD FOR MAKING LENS ASSEMBLY
The camera module has a lens assembly comprising a body and a heating element with an optically transparent coating applied to the body for heating it as electric current flows for removing water-based obstructions. The module includes a power supply for supplying electric current to the optically transparent coating through conductors, and a lens barrel (for receiving the body comprising a passageway for the conductors extending within the lens barrel towards the lens body. The method comprises applying to the lens body, high- and low-refractive index layers and an aluminium-doped zinc oxide layer.
COATINGS OF NON-PLANAR SUBSTRATES AND METHODS FOR THE PRODUCTION THEREOF
A coated article may comprise a substrate and an optical coating. The substrate may have a major surface comprising a first portion and a second portion. A first direction that is normal to the first portion of the major surface may not be equal to a second direction that is normal to the second portion of the major surface. The optical coating may be disposed on at least the first portion and the second portion of the major surface. The coated article may exhibit at the first portion of the substrate and at the second portion of the substrate hardness of about 8 GPa or greater at an indentation depth of about 50 nm or greater as measured on the anti-reflective surface by a Berkovich Indenter Hardness Test.
Holder for Holding a Substrate, in Particular a Spectacle Lens, During Vacuum Coating Thereof in a Box Coating Apparatus and Device for Loading/Unloading the Substrate into/from such Holder
A holder (10) for holding a substrate (L) during vacuum coating comprises a base body (12) with a masking portion (14) provided with an opening (16) adapted to receive the substrate. The opening in the masking portion is shaped to correspond to or closely match the shape of the substrate to be held without substantial gaps therebetween. The masking portion is provided with a slot (22) that extends radially outward from an inner edge (18) of the opening. A narrow spring arm of a spring arrangement mounted to the holder is received in the slot and adapted to resiliently bear against an outer edge (E) of the substrate to urge the substrate toward a support area (24) at the inner edge of the opening on a side opposite said slot. Further, a loading/unloading device (60) for loading the substrate into such holder and for unloading it therefrom is proposed.
Ophthalmic lens and method for manufacturing the same
The invention is to provide an ophthalmic lens and manufacturing method thereof. The ophthalmic lens comprises a lens body, a polydopamine layer formed on a surface of the lens body and a first cellulose nanofiber (CNF) layer bonded to the polydopamine layer.
Wetting layers for optical device enhancement
Embodiments described herein relate to methods and materials for optical device fabrication. In one embodiment, a method of fabricating an optical device is provided. The method includes depositing a dielectric film on a substrate, depositing a wetting layer on the dielectric film, and depositing a metal containing film on the wetting layer. In another embodiment, an optical device is provided. The device includes a substrate, a dielectric film deposited on and contacting the substrate, a wetting layer deposited on and contacting the dielectric film, and a metal containing film deposited on and contacting the wetting layer.
Optical article with gradient light influencing properties and method of making the same
A method of making an optical article having a gradient tint and a gradient polarization. The method includes providing an optical element including a coating having at least one alignment zone. A dye composition is contacted with the coating. The dye composition includes at least one of: a dichroic dye, a photochromic-dichroic dye, or a combination thereof to diffuse at least a portion of the dye composition into the coating at a predetermined concentration gradient along at least a portion of the coating to provide the gradient tint and the gradient polarization. A kit for making an optical article having a gradient tint and a gradient polarization. An optical article prepared from a method for making an optical article having a gradient tint and a gradient polarization.
Optical film
The present invention provides a method for producing an optical film excellent in anti-fouling properties and scratch resistance as well as anti-reflection properties. The method includes the steps of: (1) applying a lower layer resin and an upper layer resin; (2) forming a resin layer having the uneven structure on a surface thereof by pressing a mold against the lower layer resin and the upper layer resin from the upper layer resin side in the state where the applied lower layer resin and upper layer resin are stacked; and (3) curing the resin layer, the lower layer resin containing at least one kind of first monomer that contains no fluorine atoms, the upper layer resin containing a fluorine-containing monomer and at least one kind of second monomer that contains no fluorine atoms, at least one of the first monomer and the second monomer containing a compatible monomer that is compatible with the fluorine-containing monomer and being dissolved in the lower layer resin and the upper layer resin.
Optical adhesive and optical laminates and lenses formed with same
The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same.