Patent classifications
B29D11/00865
PRIMER COATING COMPOSITION FOR POLARIZING OPHTHALMIC LENS
A primer coating composition for bonding a functional laminate to a lens during cast-polymerization, including an acrylic polymer; a urethane acrylate oligomer; a reactive component capable of reacting with a lens-casting monomer for casting the cast-polymerized lens, a UV initiator or a thermal initiator, and a solvent. A method for cast-polymerizing a lens, including applying the primer coating composition to at least one external surface of a functional laminate; cutting and forming the functional laminate, placing the shaped functional laminate to which the primer coating is applied and a monomer for casting a lens in a casting cell so that the monomer contacts the primed surface of the functional laminate, and cast-polymerizing the monomer in the casting cell. An ophthalmic lens, including a cast-polymerized lens including at least one polymer, a functional laminate, and a primer coating obtained y curing the primer coating composition and deposited on at least one external surface of the functional laminate.
METHOD FOR FORMING AN OPTICAL ARTICLE COMPRISING MICROLENSES
It is disclosed a method of forming an optical article comprising: providing a base lens substrate (10) having opposite first and second optical surfaces, and at least one microlens protruding from the second optical surface, placing the base lens substrate in a mold (90) comprising first (91) and second (92) mold portions such that the first optical surface is disposed on a molding surface of the first mold portion (91), and that a volume is defined between a molding surface of the second mold portion and the second optical surface, filling the volume with a moldable material suitable for forming abrasion resistant coating; and setting the moldable material to form an abrasion-resistant coating (20) over the base lens substrate (10), wherein the abrasion resistant coating encapsulates each microlens (30).
WIRE GRID POLARIZER AND MANUFACTURING METHOD THEREOF
The invention provides a wire grid polarizer and a manufacturing method thereof. The method comprising steps of providing a substrate, forming a conductive layer on the substrate, forming an inverted wire grid structure on the conductive layer by nano-imprint or lithography process, and depositing a metal on the inverted wire grid structure to form a wire grid structure by electroforming or electrodeless coating technology. The conductive layer is transparent to the light wave band of the application. Since the method is an additive process, nano-imprint electroplating, electroforming, or electrodeless coating technology can be used, and the steps are simplified compared with subtractive process. Thus, the invention reduces or eliminates the need for expensive lithography technology, and avoids the use of complicated dry etching process.
CASTING A LENS WITH SURFACE MICROSTRUCTURES
A mold element (350) is fabricated (305, 310, 315) using a first mold (5) with which microstructures (323) are integrally formed in relief on the mold element (350). A lens (340) is cast (320, 325, 330, 335) using a second mold (7) that includes the mold element (350) such that the microstructures (337) are integrally formed on the lens (340).
OPTICAL FILMS WITH MICROSTRUCTURED LOW REFRACTIVE INDEX NANOVOIDED LAYERS AND METHODS THEREFOR
A microstructured article includes a nanovoided layer having opposing first and second major surfaces, the first major surface being microstructured to form prisms, lenses, or other features. The nanovoided layer includes a polymeric binder and a plurality of interconnected voids, and optionally a plurality of nanoparticles. A second layer, which may include a viscoelastic layer or a polymeric resin layer, is disposed on the first or second major surface. A related method includes disposing a coating solution onto a substrate. The coating solution includes a polymerizable material, a solvent, and optional nanoparticles. The method includes polymerizing the polymerizable material while the coating solution is in contact with a microreplication tool to form a microstructured layer. The method also includes removing solvent from the microstructured layer to form a nanovoided microstructured article.
OPHTHALMIC LENS WITH REDUCED WARPAGE
Ophthalmic lens comprising an ophthalmic thermoplastic substrate and a light polarizing structure onto said substrate. The ophthalmic lens reduced warpage, in particular when submitted to mechanical, thermal and/or chemical treatment.
MONOLITHIC OPTICAL SYSTEMS
Disclosed are monolithic optical systems using an aerogel molded around a mandrel. A method of manufacturing an optical system includes applying a reflective coating to at least a portion of a surface of a mandrel, placing the mandrel in a tank and subsequently filling the tank with aerogel to a predetermined depth below a top of the mandrel. The method includes adding a separation layer to the tank on top of the aerogel at the predetermined depth, catalyzing the separation layer into a solid, and adding aerogel on top of the separation layer filling the tank with aerogel above a height of the mandrel, and removing the aerogel and mandrel from the tank, drying the aerogel into a solid aerogel structure, catalyzing the reflective coating to bond the reflective coating with the aerogel, and removing the mandrel from the aerogel structure to produce the aerogel structure having a hollowed-out interior.
Method of making an eyeglass lens
The invention relates to a spectacle lens (3) which comprises at least one structural element (SE) on the outer edge (4) and/or the front or rear surface thereof, wherein the at least one structural element (SE) is formed by a material which is applied in liquid form on the edge (3) and/or the front/rear surface of the spectacle lens (4), is connected in a bonded manner to the lens and is hardened chemically or by radiation. The invention further relates to a method for the production thereof.
Coatings for implantable devices
Intraocular pressure sensors, systems, and methods of use. Implantable intraocular pressure sensing devices that are hermetically sealed and adapted to wirelessly communicate with an external device. The implantable devices can include a hermetically sealed housing, the hermetically sealed housing including therein: an antenna in electrical communication with a rechargeable power source, the rechargeable power source in electrical communication with an ASIC, and the ASIC in electrical communication with a pressure sensor.
METHOD FOR PRODUCING OPTICAL MULTILAYER BODY
This method for producing an optical laminate is a method for producing an optical laminate including a plastic film, an adhesion layer, an optical function layer, and an antifouling layer which are laminated in this order. The method includes an adhesion layer forming step of forming an adhesion layer, an optical function layer forming step of forming an optical function layer, a surface treatment step of performing glow discharge treatment of a surface of the optical function layer, and an antifouling layer forming step of forming an antifouling layer on the optical function layer which has been subjected to surface treatment. An integrated output of the glow discharge treatment is 130 W.Math.min/m.sup.2 to 2000 W.Math.min/m2.