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Patent Searching and Data


Matches 1 - 50 out of 8,231

Document Document Title
WO/2018/138285A1
A method for injection molding of a weld line free minus power lens element comprises injecting a melt of thermoplastic material at a temperature higher than a glass transition temperature (Tg) of the thermoplastic material in an initial...  
WO/2018/138490A1
This invention concerns an optical device comprising a unitary substrate of optically transparent material. The unitary substrate has formed therein at least one collection lens (104a to 104f) and channel (106a to 106f), the channel (106...  
WO/2018/137901A1
The present invention relates to improved coloring of an optical glass, in particular of a spectacle lens, comprising a predetermined glass material, in order to achieve a target coloration of the optical glass. In this case, a method ac...  
WO/2018/139253A1
To make it possible to restrain generation of chipping or cracking in a substrate of a laminated lens structure. A laminated lens structure includes substrates with lens which each have a lens disposed inside a through-hole formed in the...  
WO/2018/138287A1
A method for injection molding of a plus power lens element comprises injecting a melt of thermoplastic material comprising at least one UV absorber at a temperature higher than a glass transition temperature (Tg) of the thermoplastic ma...  
WO/2018/139259A1
There is provided a stacked lens structure including a first lens substrate having a first through-hole and a second lens substrate having a second-through hole. The first lens substrate may be directly bonded to the second lens substrat...  
WO/2018/132564A1
The present invention generally relates to devices and methods for determining a variety of different species. In one aspect, a nanoparticle positioned within a cavity within a waveguide can affect the resonance of light applied to the w...  
WO/2018/128096A2
Provided is a lens module including a substrate in which a wafer level lens is formed. When the wafer level lens is divided into individual units, an intersection hole is formed at an intersection of a dicing line along which dicing is p...  
WO/2018/121852A1
A method for imparting an optical element with at least one light influencing property in a gradient pattern. The method includes (a) providing an optical substrate having first and second surfaces; (b) depositing a first composition ove...  
WO/2018/119276A1
An optical device includes variable optical material that alters at least one of: incident ambient light, spectral content of incident ambient light or direction of incident ambient light through the optical device in response to a stimu...  
WO/2018/116254A1
The invention discloses a thick thermoplastic article having varying thicknesses is injection moulded including two stages of injection of a material filling stage and a packing stage, cooled for a predetermined time by a first cooling a...  
WO/2018/113999A1
A method of producing an optical article includes applying an imbibition composition having at least one dye onto at least a portion of at least one imbibable surface (45) of a substrate (20) to form a coated substrate (10). The method f...  
WO/2018/118534A1
Processes and systems described herein enable item authentication using a composite label. In some embodiments, a computing device may receive an authentication request for an item to which a composite label is attached. The computing de...  
WO/2018/117420A1
Provided are a polarizing plate and an optical display apparatus including the same, the polarizing plate comprising: a polarizing film; and a phase contrast layer disposed on the polarizing film, wherein the phase contrast layer is an e...  
WO/2018/108197A1
In a method for producing a transmissive or reflective optical element from a blank, material is removed from the blank by means of a material removal laser and the pulse duration of the material removal laser is less than 1 ns and is pr...  
WO/2018/109492A1
A contact lens comprises a hydrogel lens body and a non-expandable object embedded within the hydrogel lens body. The surface energy of the non-expandable object and the modulus of the hydrogel lens body are selected so as to reduce dist...  
WO/2018/108194A1
The invention relates to a method for ultraprecise centering of a lens (25) having an aspherical front lens face, which has an axis of symmetry (29), and an opposing rear lens face, wherein the lens is gripped in an ultraprecise centerin...  
WO/2018/108508A1
The present invention refers to a multifocal lens, in particular ophthalmic multifocal lens, being built in an inkjet printing process of depositing droplets of printing ink side by side and one above the other in several consecutive dep...  
WO/2018/108192A1
The invention relates to a method for producing a transmissive optics from a blank, wherein a material removal is achieved on the blank using an ablation laser and the pulse duration of the ablation laser is less than 1 ns and is prefera...  
WO/2018/109716A1
A method producing contact lenses, comprising the step of: separating the mold into the male and female mold halves, with the silicone hydrogel contact lens (85) adhered on one of the male (81) and female mold halves; bring a shaped ultr...  
WO/2018/099648A1
In a first aspect, the present disclosure relates to a method for designing a pattern of a stress relief layer for a flat device to be transformed into a shape-retaining non-flat device by deformation of the flat device. The flat device ...  
WO/2018/099660A1
The invention provides a method for manufacturing an ophthalmic article comprising a substrate and a functional wafer securely fastened to a first curved face of said substrate, said manufacturing method comprising the steps of providing...  
WO/2018/095837A1
The present application discloses a method for three-dimensional deposition printing to manufacture optical elements including ophthalmic devices by controlling the level of oxygen in the polymerization mixture and the printing environme...  
WO/2018/095679A1
The present invention relates to an optical filtering coating composition, comprising at least one dye that at least partially inhibits transmission of light within the 400-500 nm wavelength range and has a conjugated chromophore, one or...  
WO/2018/092038A1
Described herein is a cost-effective and time-efficient method for making contact lenses having a hydrophilic surface and a reduced uptake of cationic compounds, e.g. from care solutions. The method is based on conducting one of the proc...  
WO/2018/085983A1
A sandwich color contact lens, and manufacturing method thereof. The contact lens mainly comprises an optical region and a pad printing region. The pad printing region comprises a front polymer layer, a color carrier layer, a coloring ag...  
WO/2018/087011A1
A method of producing a lens with an embedded foil, comprising the steps of positioning a foil (10) on a foil fixation holder, providing adhesive attachment dots (41) on the foil (10) on surface portions (12) opposite to the foil fixatio...  
WO/2018/086880A1
The invention provides a method for manufacturing an ophthalmic article having at least one optical function and at least one predetermined transmission parameter, comprising the steps (102) of surfacing at least a first face of a first ...  
WO/2018/077712A1
The invention provides a method for manufacturing a 3D item by means of 3D printing using a 3D printer with a build platform and an extrusion head comprising a nozzle. The method comprises the steps of (i) providing a 3D-printable materi...  
WO/2018/078598A1
The invention is related to a method for producing silicone hydrogel contact lenses with a stable lubricious hydrogel coating thereon providing a low surface friction. A method of the invention comprises forming a plasma-reactive hydroph...  
WO/2018/078543A1
The invention provides a class of amphiphilic branched polydiorganosiloxane macromers and the uses thereof. Such a macromer comprises a polydiorganosiloxane polymer chain and two terminal groups free of any ethyleneically unsaturated gro...  
WO/2018/080226A1
The present invention relates to an ophthalmic material having a hydrophilized surface and a method for preparing the same. The ophthalmic material according to the present invention has a feature of comprising a hydrophilic layer contai...  
WO/2018/075125A3
The present disclosure relates to patterned photonic crystals. Provided photonic crystals are large scale silk inverse opals with tunable, geometrically defined structural color. Provided photonic crystals exhibit structural color or a p...  
WO/2018/073398A1
The invention relates to a spectacle lens comprising, starting from the object-sided front surface of the spectacle lens to the opposite rear-side of the spectacle lens, at least a) one component A comprising an ultra-thin glass, b) one ...  
WO/2018/073295A1
The invention relates to a spectacle lens (100) comprising a first volume element group, wherein the first volume element group consists of a plurality of first volume elements, wherein the plurality of first volume elements are made fro...  
WO/2018/073397A1
The invention relates to a process, in particular a 3D printing process for producing a spectacle lens, wherein the process comprises the following steps: providing a coated substrate, providing a three-dimensional model of the spectacle...  
WO/2018/071056A1
A composition, method and kit for producing reversibly dyed soft contact lenses is disclosed. The contact lenses are submerged in saline solution and a dye is added to the saline solution, either directly or by means of a strip that has ...  
WO/2018/069868A1
A process for casting-molding contact lenses with enhanced quality and enhanced yield achieved by omitting the previously required check to discover on or in which mold half the contact lens is located after the mold has been opened. The...  
WO/2018/069428A1
The invention relates to molding tools, in which a position of a molding tool (3) within a base tool (1) or a position of molding cores relative to each other can be set by adjusting a position of base tools (1A, 1B) by means of controll...  
WO/2018/069869A1
A method producing contact lenses, including the step of: holding the molded silicone hydrogel contact lens (600) attached to the one of the female mold half or the male mold half (400) with a vacuum supplied with a suction cup; deformin...  
WO/2018/065595A1
The invention concerns an article comprising a nanolaminate coating, wherein the nanolaminate coating has a total thickness ranging from 20 to 500 nm and comprises at least one pair of layers constituted of adjacent first and second laye...  
WO/2018/065464A1
The invention relates to a light deflection device, comprising a flat transparent light guide (2, 2') and a microstructure (4, 4') which is provided on at least some regions of the light guide for out-coupling light coupled into the ligh...  
WO/2018/064531A1
Exemplary embodiments of the present disclosure provide a method and apparatus for forming an ophthalmic lens. An exemplary method includes providing a plurality of posterior tools each having a posterior optic defining surface and a plu...  
WO/2018/060685A1
A method of manufacturing a contact lens (110) is disclosed. The method comprises manufacturing a rod of lens material (101), the rod (101) containing a plurality of electronic components (102) spaced apart along its length, separating t...  
WO/2018/062574A1
The invention related to a method, program, computer program, system for obtaining multiple lenses from one single semi-finished lens, and to corresponding lenses. According to the method, steps are foreseen for obtaining lens specificat...  
WO/2018/055490A1
The invention is generally related to soft contact lenses which comprise a non-silicone hydrogel lens body and a hydrogel coating thereon. The non-silicone hydrogel lens body is composed of a hydrogel material which is free of silicone a...  
WO/2018/054988A1
The combination of selective and high pass filters to cut harmful blue light allowed to achieve the best compromise between high blue cut performance, high UV cut and low yellow index, not achievable when using the filters alone.  
WO/2018/056671A1
An optical film, according to the present invention, may enable the realization of a zero phase difference even when using an acrylic resin having a main chain which does not include a monomer having a cyclic structure. In addition, the ...  
WO/2018/055489A1
The invention is generally related to colored contact lenses which comprise a hydrogel lens body having an opaque color image therein and/or thereon and a durable lubricious coating thereon. The coating comprises an anchoring layer of a ...  
WO/2018/055488A1
The invention is related to a cost-effective method for producing water-soluble thermally-crosslinkable hydrophilic polymeric materials. Resultant materials can find particular use in preparing a packaging solution used for packaging and...  

Matches 1 - 50 out of 8,231