737 patents
Page 22 of 37
Utility
Optical Systems, Spectacle Lens and Eyewear Including the Same
29 Jul 21
An illumination system adapted for an eyewear that includes a light source configured to emit a first light including a power spectrum having full width at half maximum of less than 100 nm in a first range of wavelengths and a second light including a power spectrum having full width at half maximum of less than 100 nm in a second range of wavelengths, the power spectrum of the first light and the power spectrum of the second light differ from each other, and the light source is further configured to emit pulses of light with a pre-determined time function.
Daniel SPIEGEL
Filed: 19 Jul 19
Utility
Device and process for marking an ophthalmic lens with a pulsed laser of wavelength and energy selected per pulse
27 Jul 21
A device for marking an ophthalmic lens (3), the lens (3) being made of at least one preset material, includes a laser (1) configured to produce permanent engravings on the lens (3) and configured to emit a focused beam of pulsed ultraviolet laser radiation that includes at least one radiation wavelength ranging between 200 nm and 300 nm, has a pulse length ranging between about 0.1 ns and about 5 ns, and has an energy per pulse ranging between about 5 μJ and about 100 μJ.
Sebastien Maurice, Frederic Dubois
Filed: 28 Sep 18
Utility
Semi-finished lens to be machined for forming an ophthalmic lens to be mounted in a spectacle frame, set and a method involving the same
27 Jul 21
Disclosed is a semi-finished lens that includes a blank formed in a first material having a first hardness, the blank having an outline, a first face and a second face configured to be surfaced so as to constitute a first optical face of the ophthalmic lens, and a top layer formed in a second material having a second hardness greater than the first hardness, the top layer having an outline, a first face and a second face, the second face of the top layer being arranged on the first face of the blank.
Jean-Marc Padiou, Jeanne Marchal, Jonathan Saulny
Filed: 7 Jun 18
Utility
Lens element
27 Jul 21
A lens element worn in front of an eye of a person includes a refraction area having a first refractive power based on a prescription for correcting an abnormal refraction of the eye of the person and a second refractive power different from the first refractive power and a plurality of at least three optical elements, at least one optical element having an optical function of not focusing an image on the retina of the eye so as to slow down the progression of the abnormal refraction of the eye.
Matthieu Guillot, Björn Drobe
Filed: 15 Mar 21
Utility
Improved Adhesive for Pc-mof Application
22 Jul 21
Disclosed are methods (100) for preparing a laminate incorporable to a surface of an optical lens and methods (500) for incorporating the laminate on the surface of the optical lens.
Elliot FRENCH, Peiqi JIANG
Filed: 13 May 19
Utility
Optical device
20 Jul 21
An optical device including an optical substrate providing with an optical filter configured to inhibit transmission of harmful UV and/or blue light wherein the optical device is further configured to allow retinal exposure of an eye to at least one selected range of wavelengths of light in the visible spectrum of 460 nm to 560 nm, preferably of 480 nm to 520 nm.
Coralie Barrau, Thierry Villette
Filed: 2 Sep 15
Utility
Lens element
20 Jul 21
A lens element intended to be worn in front of an eye of a person includes a prescription portion having a first refractive power based on a prescription for correcting an abnormal refraction of the eye of the person and a second refractive power different from the first refractive power.
Matthieu Guillot, Cyril Guilloux
Filed: 23 Dec 20
Utility
Ophthalmic progressive addition lens for a farsighted and presbyopic wearer; method for providing such a lens
20 Jul 21
An ophthalmic progressive addition lens for a farsighted and presbyopic wearer having a mean refractive power, PPO(α, β), a module of resulting astigmatism, ASR(α, β), an acuity loss value ACU(α, β), wherein the (α, β) functions are determined in as-worn conditions of the lens by the wearer, and a first acuity criterion, AcuityCriterion1 which fulfils following requirement: AcuityCriterion1≥44 D2.deg, and wherein: AcuityCriterion1 is defined as a combination of PPO(α, β), ASR(α, β), ADDp, and ACU(α, β).
Melanie Heslouis, Benjamin Rousseau, Sebastien Fricker
Filed: 11 Oct 16
Utility
Functional Laminate Using Water-based Adhesive, Method for Making Such Laminate, and Lens Using Such Laminate
15 Jul 21
Disclosed are methods for preparing a laminate incorporable to a surface of an optical lens.
Peiqi JIANG, Marvin POUNDERS
Filed: 27 May 19
Utility
Method for improving the edging of an optical article by providing a temporary layer of an organic matter
13 Jul 21
Methods for edging optical articles comprising two main faces, at least one of which being coated with an outermost layer comprising fixing the optical article to a chuck with a holding pad that adheres to both the optical article and the chuck, wherein the surface of the holding pad contacting the optical comprises an adhesive material; and edging the optical article with an edging device; wherein prior to fixing the optical article to the chuck, at least one temporary layer of an organic material is formed onto said outermost layer of the optical article, the organic material of the temporary layer comprising at least one organic compound having a fluorinated functional moiety and at least one linking functional moiety capable of establishing at least one intermolecular bond or interaction with the adhesive material of the holding pad.
Dominique Conte, Gérald Fournand, Agnès Jallouli, Laurianne Vagharchakian
Filed: 16 May 16
Utility
Method for Determining a Parameter of an Optical Device Comprising at Least an Optical Lens
8 Jul 21
Disclosed is a method for determining a parameter of an optical device including at least an optical lens, the method including: an optical system providing step, during which an optical system including a visual target, the optical device and an image acquisition module is provided in an initial configuration state, a parameter determining step during which a parameter of the optical device is determined based on the blur level of the images of the visual target acquired by the image acquisition module through the optical device in at least two different configuration states.
Dominick HUBACZ, Stéphane GUEU
Filed: 22 Feb 16
Utility
Lens Element
1 Jul 21
A lens element worn in front of an eye of a person includes a refraction area having a first refractive power based on a prescription for correcting an abnormal refraction of the eye of the person and a second refractive power different from the first refractive power and a plurality of at least three optical elements, at least one optical element having an optical function of not focusing an image on the retina of the eye so as to slow down the progression of the abnormal refraction of the eye.
Matthieu GUILLOT, Bjorn DROBE
Filed: 15 Mar 21
Utility
Computer-implemented Method for Designing an Interferential Stack for an Optical Component
1 Jul 21
Disclosed is a computer-implemented method for designing an interferential stack of an antireflective coating for an optical component to minimize the deviation in the optical performance when associated with different substrates, the method including the steps of: determining for a plurality of configurations a deviation of the optical performance between a plurality of substrates depending on values of a same configuration determined for each substrate, a deviation of the optical performance being determined for each optical property; and selecting a configuration of the interferential stack having at least one minimized deviation of the optical performance.
Xingzhao DING, Yu Richard LIU, William TROTTIER-LAPOINTE
Filed: 30 Dec 20
Utility
Optometry device and method of performing a test using such an optometry device
29 Jun 21
An optometry device for testing an individual's eye includes: a casing; an imaging module located in the casing and adapted to produce a light beam directed to the individual's eye; and a refraction module adapted to provide a variable optical correction to the individual's eye looking there through into the casing.
Michel Nauche, Stéphane Boutinon, Vincent Tejedor Del Rio, Joel Batisse, Christophe Condat, Pierre Rolland, Didier Grand-Clement
Filed: 20 Sep 17
Utility
Method of Optimizing a Support Material for an Operation of Surfacing of a Lens Blank
24 Jun 21
In a method of preparing a lens blank for a surfacing operation, the lens blank is fastened to a support with a base and a support material via which the lens blank is fastened.
Sébastien PIRAUBE, Xavier BULTEZ, Jérome MOINE
Filed: 8 Oct 18
Utility
Optical Lens
24 Jun 21
An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.
Claudine BIVER, David ESCAICH, Mariska BARTHELEMY, Marie ENGEL, Sira UHALTE NOGUES
Filed: 18 Oct 18
Utility
Method for Manufacturing an Ophthalmic Lens, Support and Manufacturing System
24 Jun 21
A method for manufacturing an ophthalmic lens using an additive manufacturing technology, the ophthalmic lens having at least one useful optical surface and a peripheral region surrounding at least in part the useful optical surface, includes the steps of: providing a support; manufacturing a part of the ophthalmic lens including a portion of the peripheral region, and being in contact with the support by the portion of the peripheral region so that the support bears the part of the ophthalmic lens being manufactured while the useful optical surface is free from any contact with the support.
Jérôme MOINE, Mathieu FEUILLADE, Xavier BULTEZ
Filed: 18 Oct 18
Utility
Methods, Apparatuses, and Systems for Edge Sealing Laminate Wafers Containing a Soft Deformable Inner Film
17 Jun 21
The present disclosure includes systems, apparatuses, and methods for an optical system.
Zbigniew TOKARSKI, Eric BEGG, Ahmed DRAMMEH, Hao-Wen CHIU
Filed: 14 Dec 20
Utility
Wafer Holder Band for Mold Injection Process
17 Jun 21
The present disclosure includes systems, devices, and methods for preventing contamination during formation of an optical article.
Peiqi JIANG, Arnaud GLACET, Zbigniew TOKARSKI
Filed: 14 Dec 20
Utility
Color-balanced Lenses Exhibiting Reduced Blue Light Transmittance
17 Jun 21
The object of this invention is to provide optical articles having one or more transmittance-attenuating dyes.
Christelle MARCK, Elliot FRENCH
Filed: 11 Jun 19