Class / Patent application number | Description | Number of patent applications / Date published |
351159560 | With polarization | 25 |
20120086907 | CURVED RETARDER BASED OPTICAL FILTERS AND EYEWEAR - Curved polarization filters and methods of manufacturing thereof. One method includes laminating a planar polarization layer to a planar retarder layer at a predetermined orientation and bending the laminate to create a curved filter. The strain on the retarder layer results in stress-induced birefringence, and the predetermined orientation of the retarder substantially compensates for the stress-induced birefringence. | 04-12-2012 |
20120218511 | Production Of Optical Elements - A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affixing either the first thermoplastic sheet or the second thermoplastic sheet to the power portion, with the other of the first or second thermoplastic sheets being open to atmosphere. | 08-30-2012 |
20120229759 | INFRARED ABSORBING EYEGLASS LENS SUBSTRATE - An infrared absorbing polarized eyeglass lens substrate includes a polarizing element including a polarizing film and a polyurethane resin material containing an infrared absorbing agent and covering both surfaces of the polarizing film, and an eyeglass lens substrate made of a polyurethane resin not containing an infrared absorbing agent and configured to be ground for adjusting lens power. The polarizing element is superposed on one side of the eyeglass lens substrate and integrated therewith by insert molding which accompanies polymerization reaction of the polyurethane resin material. | 09-13-2012 |
20120262669 | CURVED LENSES AND RELATED METHODS - Curved lenses and methods for making curved lenses are described. One embodiment of a method of making a curved lens includes curving a lens blank made of a linear polarizer layer laminated together with a plurality of polymeric layers. The lens blank is curved by engendering rotational motion about a rotational axis of a roller having a forming surface thereon and lateral motion of a belt in contact with the forming surface. The lens blank is heated and pressed between the belt and the forming surface at a pressure, the pressure being supplied by tension on the belt. The pressure is maintained for a time sufficient to allow the lens blank to conform to the shape of the forming surface. Methods of the invention may be used to make curved lenses with different polarization properties and curvatures. | 10-18-2012 |
20130141693 | EYEWEAR WITH CHROMA ENHANCEMENT - Some embodiments provide a lens including a lens body and an optical filter configured to attenuate visible light in certain spectral bands. At least some of the spectral bands can include spectral features that tend to substantially increase the colorfulness, clarity, and/or vividness of a scene. In certain embodiments, eyewear incorporates an optical filter that enhances chroma within one or more spectral bands. In some embodiments, a wearer of the eyewear can perceive the increase in chroma when viewing at least certain types of scenes. | 06-06-2013 |
20130208239 | PROCESS FOR MANUFACTURING A POLARIZED OPTICAL ARTICLE AND POLARIZED OPTICAL ARTICLE - A process for manufacturing a polarized optical device and the resulting optical device. In the process, an optical device is coated with an adhesive. A PVA polarizing film is moistened to render it formable. The PVA polarizing film is laminated on to the adhesive coating so that the PVA polarizing film forms to the shape of the optical device. The film, adhesive, device ensemble is then heat annealed. The PVA polarizing film is then contacted with a boric acid solution to crosslink the PVA so that it can withstand use and further processing. A polarized optical device includes an adhesive disposed between an optical base element and a PVA polarizing film. | 08-15-2013 |
20130271725 | COLOR CONTRAST ENHANCING SUNGLASS LENS - A color contrast enhancing sunglass lens includes a lens body and a multi-layer coating disposed on the lens body. The multi-layer coating includes a set of alternating layers formed of materials having different refractive indices and confines the transmission of visible light to a predetermined spectral profile having at least three high transmission bands that include blue, green and red bands and that have a maximum of spectral transmittance no less than 60%, three low transmission bands that include purple, cyan and yellow bands and that have a minimum of spectral transmittance no greater than 40%, and no spectral transmittance being less than 15% between 475 and 650 nm. The color contrast enhancing sunglass lens as disclosed meets the ANSI specification | 10-17-2013 |
20130329184 | TINTED POLYCARBONATE OPHTHALMIC LENS PRODUCT AND METHOD OF MANUFACTURE - The present invention describes ophthalmic lens products comprising a multilayer wafer and an injection-molded polycarbonate inner portion. The multilayer wafer includes a dyed, photochromic or polarized layer between a tinted inner layer and an outer polymeric layer. The inner layer may be solid or gradient-tinted. The polycarbonate inner portion of the lens product is directly fused to the tinted inner layer of the multilayer wafer during injection molding. The invention further describes a method to produce a gradient-tinted polarized polycarbonate eyewear lens product by obtaining a multilayer wafer having an outer layer, an inner polycarbonate layer, and a polarized layer between the inner and outer layers, applying a gradient tint to the wafer's inner layer, placing the gradient tinted wafer within an injection-molding cavity, and injecting molten polycarbonate directly against the wafer's gradient-tinted layer to form the inner portion of the lens product and to fuse it to the wafer. | 12-12-2013 |
20130329185 | METHOD FOR PRODUCING A POLARISING LENS AND CORRESPONDING POLARISING LENS - A polarizing lens is constituted in succession by a mechanical support layer made of polycarbonate, the intermediate layer made of polyvinyl alcohol, and an outer layer made of cellulose triacetate. The invention also provides a method of fabricating such a lens. | 12-12-2013 |
20130342808 | ELECTRONIC VISION-THERAPY APPARATUS - An electronic vision-therapy apparatus includes a frame, a lens module and a control unit. The lens module includes first and second liquid crystal lenses. The control unit is for controlling the first and second liquid crystal lenses to cooperatively generate and display a light filtering pattern. The light filtering pattern has an opaque part and a plurality of transparent parts. The control unit configures a part of the first liquid crystal lens that corresponds to the opaque part to allow only light having a first polarization to pass therethrough, and configures a part of the second liquid crystal lens that corresponds to the opaque part to allow only light having a second polarization orthogonal to the first polarization to pass therethrough. | 12-26-2013 |
20140028970 | NYLON POLARIZED LENS AND MOULDING MOLD THEREOF - A nylon polarized lens includes a nylon material layer and a polarized film. The nylon material layer has four corners formed with positioning portions to position the polarized film. The nylon material layer has buffer grooves at two opposing end surfaces thereof. A moulding mold to manufacture a nylon polarized lens includes an upper die and a lower die. The lower die has a top surface which is an arc concave surface. Two opposing sides of the top surface of the lower die are formed with buffer flanges which are adapted to form buffer grooves of the nylon polarized lens. The top surface of the lower die is further formed with positioning portions to position the polarized film. The upper die has a bottom surface which is an arc convex surface. The upper die cooperates with the lower die to form a chamber for shaping the lens. | 01-30-2014 |
20140104564 | Production Of Optical Elements - A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affixing either the first thermoplastic sheet or the second thermoplastic sheet to the power portion, with the other of the first or second thermoplastic sheets being open to atmosphere. | 04-17-2014 |
20140139802 | TRANSPARENT OPTICAL ELEMENT WITH DUAL LIGHT-POLARIZING EFFECT - A transparent optical element with dual light-polarizing effect comprises a first film forming a linear light-polarizer in a first surface portion of the element, and a second film forming a retarder plate within a second surface portion. The second surface portion is contained in the first surface portion. Such element may form an eyeglass adapted for providing stereoscopic vision by light polarization selection in the second surface portion, while providing protection against excessive light intensity in the first surface portion. | 05-22-2014 |
20140176902 | SHUTTER AND POLARIZED EYEWEAR - Apparatuses and methods of shuttering glasses are disclosed. One apparatus includes a first lens operable to blank for a first blocking time, wherein light passing through the first lens is polarized in a first orientation, a second lens operable to blank for a second blocking time, wherein light passing through the second lens is polarized in a second orientation, wherein the second orientation is different than the first orientation, and a controller for controllably setting at least one of the first blocking time and the second blocking time. | 06-26-2014 |
20140232983 | POLARIZED MIRRORED GLASSES LENS - Provided is a spherical or aspherical polarized mirrored glasses lens that substantially prevents the appearance of reflections caused by reflection from the mirrored surface, has a high transmittance, and with the use of a colored absorption-polarization film layer, allows arbitrary selection of the color of the field of view of the sunglasses user and the color of the lens as seen by others. A polarized mirrored glasses lens is fabricated, said lens being characterized by having, in order from the light-incidence side, at least a reflection-polarization film layer and an absorption-polarization film layer, and further characterized in that: the transmission axes of said layers are aligned; and the light-incidence side is a convex spherical or aspherical surface. | 08-21-2014 |
20140293217 | POLARIZING LENS AND METHOD OF MANUFACTURING THE SAME - The invention relates to a method of manufacturing a polarizing lens, including conducting curved surface processing to change a shape of a polarizing film into a shape of a curved surface, conducting heat treatment by heating polarizing film that has been processed into a curved surface to a heating temperature of equal to or higher than 105° C. but less than 150° C., assembling an upper mold, a lower mold, and a seal member to provide a casting mold having a cavity within which the polarizing film following heating treatment is positioned, upper and lower molds being positioned opposite each other to sandwich the polarizing film at a space therebetween, and seal member sealing space between the upper and lower molds, casting a curable composition into the cavity, curing curable composition to provide a polarizing lens within which a polarizing film is positioned, and separating polarizing lens thus provided from casting mold. | 10-02-2014 |
20150146165 | HIGH REFRACTIVE INDEX POLARIZING LENS - A polyurethane based high refractive index polarizing lens consisting of a polarizing film and a cured monomer mixture placed on both sides of said polarizing film, in which the polarizing film consists of a heated polyvinyl alcohol having a water content of 4.5% or less, and the cured monomer mixture comprises a polyisocyanate and a polythiol, has no problems such as the generation of bubbles, and has excellent adhesiveness. A manufacturing method for high refractive index polarizing lenses including a process for forming lens layers comprising a polyurethane based polymer formed from polyisocyanate and polythiol on both surfaces of a polarizing film, characterized by using a polarizing film whereof the water content is 4.5 wt % or less as the aforementioned polarizing film. | 05-28-2015 |
20150293373 | GLASSES AND MANUFACTURING METHOD THEREOF - The present invention provides glasses and a manufacturing method thereof, and belongs to the field of display technology. The glasses of the present invention comprises lenses, and further comprises a first frame made of a paper material, the first frame comprises legs and a lens frame which are integrally formed, the lens frame is provided with lens holes for viewing, and the lenses are provided at the lens holes. | 10-15-2015 |
20150331259 | Film Laminated Ophthalmic Lenses with Improved Wheel Edging Performance - A laminated optical lens having an edging-optimized laminar configuration and method for manufacturing same. The laminated optical lens includes an optical base lens and a film layered structure including an external film furthest from said lens. An adhesive layered structure is placed between the film layered structure and the optical base lens so as to permanently retain the film layered structure on the surface of the optical base lens. The laminated lens is manufactured by laminating a film layered structure having an external film to an optical base element with an adhesive layered structure. The external film has a thickness of at least 100 μιπ, and preferably a thickness in the range of 150 microns to 300 microns inclusive. The adhesive layered structure has a thickness in the range of 5 microns to 100 microns inclusive, and preferably of 25 microns to 50 microns inclusive | 11-19-2015 |
20150378178 | APPARATUS FOR ENHANCING DISPLAY READABILITY IN AN ENVIRONMENT WITH STRONG AMBIENT LIGHT - An apparatus for enhancing display readability in an environment with strong ambient light can include an eyewear frame configured to be worn by a user, the eyewear frame including a lens holding portion. The apparatus can include at least one lens connected to the lens holding portion of the eyewear frame. The apparatus can include a multi-band pass filter coupled to the at least one lens, the multi-band pass filter can be configured to pass visible red, visible green, visible blue, and visible yellow light emitted through the lens from the display and configured to attenuate other visible and non-visible wavelengths of light through the lens. | 12-31-2015 |
20160026008 | Stabilized Thin Lens - A thin ophthalmic lens stabilized through incorporation of flange around all or a portion of a perimeter of the thin lens. | 01-28-2016 |
20160041408 | TINTED POLARIZED LENSES HAVING SELECTIVE FREQUENCY FILTERING - A tinted polarized lens for attenuating ambient light reducing glare and improving color discrimination for a user is disclosed. In some embodiments, the lens has uniform transmittance across the visible spectrum with selective filtering of light at 480 nm and 580 nm. In some embodiments, the lens may reduce light in the blue region of the spectrum while maintaining color discrimination. In some embodiments, the level of attenuation provided by the lens may vary based on the intensity of light present while maintaining selective filtering at 480 nm and 580 nm. | 02-11-2016 |
20160070119 | EYEWEAR WITH CHROMA ENHANCEMENT - Some embodiments provide a lens including a lens body and an optical filter configured to attenuate visible light in certain spectral bands. At least some of the spectral bands can include spectral features that tend to substantially increase the colorfulness, clarity, and/or vividness of a scene. In certain embodiments, eyewear incorporates an optical filter that enhances chroma within one or more spectral bands. In some embodiments, a wearer of the eyewear can perceive the increase in chroma when viewing at least certain types of scenes. | 03-10-2016 |
20160144582 | METHOD OF MANUFACTURING POLARIZING PLASTIC LENS - An aspect of the present invention relates to a method of manufacturing a polarizing plastic lens, which comprises a reversing step of reversing a convex surface shape into a concave surface shape by pressing a polarizing film that has been curved surface processed, a casting mold assembling step of assembling a casting mold having a cavity within which the reversed polarizing film is positioned with the reversed polarizing film, an upper mold, a lower mold, and a sealing member that maintains a spacing between the upper mold and the lower mold, and a polymerizing and curing step of casting a curable composition into the cavity, and polymerizing and curing the curable composition that has been cast to provide a polarizing plastic lens within which a polarizing film is positioned. | 05-26-2016 |
20160185055 | METHOD FOR MANUFACTURING POLARISED LENSES FOR SPECTACLES AND LENSES PRODUCED USING THAT METHOD - A method of manufacturing a polarising lens for spectacles in which the lens is obtained by injection co-moulding the material of the lens on a polarising optical filter structure is described. The optical filter structure which already has its curved shape received during the stage of filter manufacture is subjected to a thermoforming stage before being inserted into the injection mould in order that the optical filter should obtain the desired curvature for the subsequent stage of injection co-moulding the lens onto the optical filter structure. | 06-30-2016 |