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Patent Searching and Data


Matches 151 - 200 out of 4,816

Document Document Title
WO/2012/093994
Method for fabricating a Fresnel lens or other lens having a structured surface such as refractive and/or diffractive bi-focal or other multi-focal lenses includes press-coating the structured surface with a low or very low refractive in...  
WO/2012/084211
The invention relates to a micro-optical inspection arrangement (1) with micro-focusing elements (10) which are composite bodies consisting of a main part (15) and an additional part (20) and which have a reference focal length. The main...  
WO/2012/085730
A lighting system and manufacturing method in which a light guide comprises a laminate of at least two layers, comprising an outer layer of optically transparent cladding and a core layer which comprises a layer of first refractive index...  
WO/2012/082704
Described are methods for covalently attaching one or more functional compounds to an ophthalmic lens. The method involves (a) contacting the lens with a functional compound, wherein the functional compound comprises at least one group c...  
WO/2012/080775
The invention relates to a method of dip-coating a segmented multifocal lens (1 ) having a segment with a curved portion and a straight line portion, the method comprising the steps of: - placing the lens (1 ) on a basket support (21 ); ...  
WO/2012/080468
A method for transferring objects between two consecutive processing stations is disclosed, comprising the steps of: -removing the objects from a preceding processing station, in which said objects are advanced with a first cycle speed, ...  
WO/2012/080387
The invention relates to a method for producing a separation screen disk for an autostereoscopic display device, in which a separation screen structure is printed on a transparent carrier disk by means of screen printing in a clean room ...  
WO/2012/078969
Disclosed is a lens blocking composition and lens blocks as well as methods of blocking and processing a lens. In particular, a thermoplastic lens blocking composition for blocking an optical substrate in a processing position is disclos...  
WO/2012/078457
The invention provides a method for washing, with a water-based system, reusable molds for making silicone hydrogel contact lenses. The water-based washing system comprises an ethoxylated silicone polyether surfactant. The water-based sy...  
WO/2012/078221
A lens sheet having one or more lens arrays positioned in selected discrete areas. Each lens array includes a plurality of lenses, each having a width, a height, and a lens peak. The lens array is set below the planar surface of the lens...  
WO/2012/078152
A method for producing an ophthalmic lens (20) comprised of a base lens (10) and a film structure (2) bound to said base lens includes a pressure-free heating. Said heating is performed after assembling the film structure with a semi-fin...  
WO/2012/074861
The invention provides a method of coating and thereby affecting the surface properties of a substrate such as a contact lens or other ophthalmic device. The method comprises the steps of generating an atmospheric plasma flow from a work...  
WO/2012/074859
The invention provides a method of making ophthalmic lenses with an enhanced quality and enhanced yield achieved by reducing mold separation force and lens- mold adhesion. The method comprises the steps of generating an atmospheric plasm...  
WO/2012/073034
Methods, devices, and systems for manufacturing ophthalmic lenses are described in which lens bodies (66) are placed in cavities (52) of lens carriers (44) that are fluidly connected to reservoirs (70), flow ducts (72) and sub-cavity bas...  
WO/2012/070456
To provide a plastic optical element with reduced birefringence. An angle formed by a line segment that connects a gate corresponding part (B) of a core lens (2) to the center (A) of the core lens and a line segment that connects a gate ...  
WO/2012/069590
The invention relates to a method for producing a molded optical part (2), in particular a lens element (2), by producing a preform (4) in a molding tool by injection molding a first plastic, and by producing at least one covering layer ...  
WO/2012/069689
A method includes producing a first layer of optical liquid, shaping contactlessly the first layer of the optical liquid according to a desired form, and curing the shaped first layer of the optical liquid with electromagnetic radiation ...  
WO/2012/069757
The subject of the present invention is a lens-holder device (1) intended to be hooked onto a support (101) of determined direction belonging to a conveyor carriage intended for transporting optical lenses (10) so that an optical test ca...  
WO/2012/069756
The invention relates to a lens-holding device (1) intended to be hooked on a mounting (101) of a conveyor carriage for transporting optical lenses (10) in order for said lenses to be treated by immersion in at least one bath of a treatm...  
WO/2012/069615
In manufacturing a contact lens, a contact lens mould arrangement in which the engagement between the mould halves is unconstrained and at least one mould half is sufficiently pliable or flexible that during the curing of the contact len...  
WO/2012/069757
The subject of the present invention is a lens-holder device (1) intended to be hooked onto a support (101) of determined direction belonging to a conveyor carriage intended for transporting optical lenses (10) so that an optical test ca...  
WO/2012/066060
A gripper (2) for grasping an ophthalmic lens immersed in a liquid (L), in particular for a contact lens (CL) such as a soft contact lens, the gripper (2) including: - a housing (20) having an opening (200) arranged at the distal end of ...  
WO/2012/062732
A method for manufacturing a trough mirror for a solar trough (2) mirror power station by: providing a coil (3) of a sheet ( 3a) coated or laminated with a reflection film, providing a first and a second slide (4, 5) which both extend pe...  
WO/2012/064699
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 Butylated Polyvinylpyrrolidone int...  
WO/2012/063665
Provided is a method of producing a composite optical element, including performing stress removal after molding a composite optical element by integrating a resin material (2) with one surface of a glass material (1) in a heated state, ...  
WO/2012/059527
The invention relates to a solar reflector for concentrated solar power plants, comprising a substrate a) in composite material based on resin reinforced with cut fibres, said substrate having means b) for attachment without either perfo...  
WO/2012/059527
The invention relates to a solar reflector for concentrated solar power plants, comprising a substrate a) in composite material based on resin reinforced with cut fibres, said substrate having means b) for attachment without either perfo...  
WO/2012/055424
The invention relates to a method and a device for producing, in particular for stamping, a lens wafer (25) that has a plurality of microlenses (24), to a lens wafer, and to microlenses produced from the lens wafer.  
WO/2012/054046
A process for applying a film structure (10) onto a lens blank (1) is improved by implementing a wedge piece (30) when the film structure is pressed against the lens blank using a resilient cushion. The wedge piece forces the film struct...  
WO/2012/054482
A method of fabricating an aspherical gradient refractive index lens includes co-extruding a first polymer material having a first refractive index and a second polymer material having a second refractive index different than the first r...  
WO/2012/054482
A method of fabricating an aspherical gradient refractive index lens includes co-extruding a first polymer material having a first refractive index and a second polymer material having a second refractive index different than the first r...  
WO/2012/046186
It refers to an injection molding process and to the related apparatus for carrying out a lens (50) in a plastic material, comprising a first portion or ceiling (30) for the passage of light, and a second portion or body (40) for the cou...  
WO/2012/035477
The present invention relates to a process for manufacturing a segmented optical structure (100), comprising at least the steps consisting in: a) providing a substrate (1) having microwalls (2) on one of the faces (3) of said substrate, ...  
WO/2012/030945
Ophthalmic lenses, coatings for ophthalmic lenses, and methods for manufacturing ophthalmic lenses are provided herein. In one exemplary embodiment, an ophthalmic lens comprising a polymeric lens has a first surface and second surface. A...  
WO/2012/030945
Ophthalmic lenses, coatings for ophthalmic lenses, and methods for manufacturing ophthalmic lenses are provided herein. In one exemplary embodiment, an ophthalmic lens comprising a polymeric lens has a first surface and second surface. A...  
WO/2012/028163
The invention relates to a stamping tool, a device and a method for producing, especially stamping, a monolithic lens wafer (10) comprising a plurality of microlenses (20).  
WO/2012/027420
A method for making a combined light coupler and light pipe comprises providing a mold with an elongated chamber having two ends and having an appropriate shape to form the combined light coupler and light pipe. The formed light pipe has...  
WO/2012/022371
The present invention relates to a method for producing a multi-part medical marker (1) comprising a marker core (2) consisting of at least two corresponding parts (2a, 2b) and comprising a detectable surface, said method comprising the ...  
WO/2012/022000
The invention concerns a method of manufacturing a plurality of optical devices (20a) for cameras, each optical device (20a) having a fix focus lens module (2a) for assembling with an image sensor comprising an image sensor plane (5), ea...  
WO/2012/019771
The invention relates to a surface structure and a Fresnel lens which has at least one such surface structure. Furthermore, the invention relates to a tool for production of a surface structure and a method for production of a surface st...  
WO/2012/013948
Ophthalmic device molds made from at least one water-soluble vinyl alcohol copolymer, ophthalmic devices such as ocular inserts and contact lenses and including silicone hydrogel devices formed using these molds, packaged ophthalmic devi...  
WO/2012/013946
Ophthalmic lens molds made from at least one vinyl alcohol copolymers with high amorphous content, ophthalmic lenses including silicone hydrogel contact lenses formed using these molds, packaged ophthalmic lenses present in a solution co...  
WO/2012/013947
Silicone hydrogel ophthalmic devices, such as ocular inserts and contact lenses, formed in direct contact with molds comprising at least one vinyl alcohol copolymer and related methods are described. The at least one vinyl alcohol copoly...  
WO/2012/013944
Ophthalmic device molds made from at least one highly amorphous vinyl alcohol polymer, ophthalmic devices such as ocular inserts and contact lenses and including silicone hydrogel devices formed using these molds, and related methods are...  
WO/2012/016152
Methods of manufacturing contact lenses using ophthalmic lens molds having a molding surface comprising a thermoplastic polymer, the molding surface having a percent polarity from 3% to 20% and a surface energy from about 25 mN/m to abou...  
WO/2012/016097
The present invention provides an amphiphilic polysiloxane prepolymer which comprises hydrophilic monomeric units derived from at least one hydrophilic vinylic monomer, polysiloxane crosslinking units derived from at least one polysiloxa...  
WO/2012/013945
Ophthalmic device molds made from a first portion of a molding surface formed from a first polymer and a second portion of the molding surface formed from a second polymer are described. When combined, the first portion and the second po...  
WO/2012/016098
A cost-effective method for making a silicone hydrogel contact lens has a crosslinked hydrophilic coating applied thereon. The method involves heating a silicone hydrogel contact lens in an aqueous solution in the presence of a water-sol...  
WO/2012/015361
Embodiments of the invention describe a light guide apparatus (10) comprising a block (100) with at least one embedded light guiding element (200). In one embodiment, the light guiding element may extend between non -opposing surfaces of...  
WO/2012/010776
In line with a method for splicing two optical fibres (11, 12), the procedure involves the following steps: the two fibres (11, 12) are aligned with one of their ends (112, 122) opposite one another, a photopolymerizable composition is p...  

Matches 151 - 200 out of 4,816