314 patents
Utility
Method for determining a filter for a transparent support based on a determined individual light sensitivity
16 Jan 24
The invention provides a method for determining at least one filter for a transparent support, the method comprising the following steps: —determining a quantity representative of a light sensitivity threshold of the user; —determining, for each light environment among a group of light environments, an index representative of the level of protection required by the user; —determining a score for each light environment among the group of light environments (40) and for each filter among a group of filters, said score being representative of the capacity of the filter to reach the level of protection required by the user, determining at least one filter among the group of filters based on the scores of said at least one filter in a plurality of light environments (40) among the group of light environments.
Anne-Catherine Scherlen, Camille Ehrismann, Sarah Marie
Filed: 17 Jun 20
Utility
Optical article having directional micro- or nanostructured thin film coating, and its process
9 Jan 24
An optical article includes a substrate with front and rear main faces, one main face coated with a columnar micro- or nano-structured coating.
William Trottier-Lapointe, Bruce Faure, Bill Baloukas, Richard Vernhes, Oleg Zabeida, Ludvik Martinu, Sasha Woodward, Nicolas Desjardins-Lecavalier, Julien Gagnon
Filed: 13 Jun 19
Utility
Method and system for characterizing the visual system of a subject
2 Jan 24
The invention relates to a method for characterizing a visual system of a subject using measures of the sensitivity to contrast, the visual system comprising visual signal processing elements each having an impact on the sensitivity to contrast, wherein a visual test where visual patterns having different spatiotemporal frequencies and with varying luminance levels and with varying levels of visual degradation of the visual patterns are shown to a subject to measure the sensitivity to contrast of said subject, is performed, wherein a predetermined response model of a visual system is preestablished on the basis of a determination of the visual signal processing element that predominantly limits the sensitivity to contrast for each value of luminance and spatiotemporal frequency, said predetermined response model relating the visual signal processing elements predominantly limiting the sensitivity to contrast to the luminances and to the spatiotemporal frequencies, wherein at least one of the visual signal processing elements is selected in order to be investigated, wherein at least one visual test is performed on the visual system of the subject, said visual test being optimized according to said at least one selected visual signal processing element, during the optimized visual test, the variations of the luminance levels and of spatiotemporal frequencies being limited within a range of luminance and a range of spatiotemporal frequency where the predetermined response model locates the visual signal processing element as predominant in limiting the sensitivity to contrast.
Rémy Allard, Daphné Silvestre
Filed: 28 Mar 19
Utility
Methods, apparatuses, and systems for edge sealing laminate wafers containing a soft deformable inner film
5 Dec 23
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
Systems and methods to process eyewear orders
5 Dec 23
The disclosed embodiments include systems and methods to process an eyewear order.
Michael Filipovich
Filed: 30 Mar 18
Utility
Wearable binocular optoelectronic device for measuring light sensitivity threshold of a user
28 Nov 23
Disclosed is a binocular optoelectronic device wearable by a user for measuring a light sensitivity threshold of the user, including: a diffuser configured to face eyes of the user; at least one light source for emitting light toward the diffuser.
Stéphane Perrot, Amandine Debieuvre, Sylvain Chene, Florian Caleff, Loïc Baillon, Anne-Catherine Scherlen, Sarah Marie, Susana Montecelo
Filed: 13 Feb 19
Utility
Systems, devices and methods using spectacle lens and frame
21 Nov 23
A system including a sensor configured so that the presence of a spectacle within a detection range of the sensor is detectable by the sensor when the spectacle includes a predetermined identification structure.
Yu Liu, Chit Yaw Fu, Yassine Fakhreddine, Xingzhao Ding
Filed: 5 Aug 20
Utility
Method for manufacturing at least one ophthalmic lens
21 Nov 23
The invention relates to a method for manufacturing an ophthalmic lens having at least one optical function, comprising the step (200) of providing a starting optical system of the lens, having a basic optical function and the step (500) of additively manufacturing an additional optical element of the lens, by deposition of multiple predetermined bulking components made of at least one material having a predetermined refractive index, directly onto the front surface and/or the rear surface of the starting optical system; wherein the additive manufacturing step comprises the step of determining a manufacturing guideline for the additional optical element on the basis of the characteristics of said at least one optical function to be provided to the lens, the characteristics of said at least one basic optical function, the geometric characteristics of the starting optical system, and the predetermined refractive index of the material.
Loïc Quere, Alexandre Gouraud, Pascal Allione, Cédric Begon
Filed: 8 Jul 14
Utility
Method for determining a postural and visual behavior of a person
14 Nov 23
A method for determining a postural and visual behavior of a person, the method comprising:—a person image receiving step during which a plurality of images of the person are received,—a context determining step during which the plurality of images of the person are analyzed so as to determine context data representative of the context in which the person is on each image of the plurality of images,—an analyzing step during which the plurality of images of the person are analyzed so as to determine at least one oculomotor parameter of the person,—a postural and visual behavior determining step during which a postural and visual behavior of the person is determined based at least on the at least one oculomotor parameter and the context data.
Aurelie Le Cain, Sebastien Fricker
Filed: 18 Jul 18
Utility
System and method for demonstrating an optical disorder
7 Nov 23
A method for demonstrating an optical disorder includes providing two ophthalmic lenses in a first position relative to each other.
Gabriel Keita, John Guerra
Filed: 17 Jan 20
Utility
Method for optimizing a set of optical lens blanks
24 Oct 23
Method implemented by computer for optimizing a set of optical lens blanks used to manufacture a set of optical lenses, each optical lens comprising first and second optical surfaces, the first and second optical surfaces being connected by a external periphery surface, the method comprising: a data providing step during which a set of data for every optical lens of the set of optical lenses is provided, the data comprising at least contour data representative of an external periphery surface of the optical lens, a first dataset representative of the first optical surface of the optical lens and a second dataset representative of the second optical surface of the optical lens; a supply cost function providing step during which a supply cost function is provided, the supply cost function being a function of the number of different optical lens blank comprised in the set of optical lens blanks.
Thierry Baudart, Florence Morel
Filed: 14 Jan 21
Utility
Method for manufacturing an ophthalmic lens to be mounted in a frame, ophthalmic lens, frame and eyeglasses equipment
17 Oct 23
Disclosed is a method for manufacturing an ophthalmic lens to be mounted in a frame, the ophthalmic lens including an optical front face, an optical rear face, and a peripheral edge that surrounds the optical front and rear faces and that has a base portion carrying a fixing unit suitable for attaching the ophthalmic lens to at least a part of the frame, the method includes the steps of: determining a central part of the ophthalmic lens that includes at least one of the optical front face and the optical rear face; determining the peripheral edge with the fixing unit; calculating a planned manufactured device including both the fixing unit and the central part together; and manufacturing, using an additive manufacturing technology, the planned manufactured device in order to form the ophthalmic lens.
Sébastien Maurice, Thierry Baudart
Filed: 7 May 19
Utility
Blue light cutting optical material having a bluish appearance
3 Oct 23
The present invention relates to an optical material cutting blue light, comprising at least one UV absorber that at least partially blocks light having a wavelength ranging from 400 to 450 nm, at least one absorbing dye A having its maximum absorption wavelength in the range from 520 nm to 640 nm, the optical material being made of a material chosen from polythiourethane materials, polyurethane urea materials, materials resulting from the polymerization or copolymerization of polyepisulfide monomers or oligomers, and materials resulting from the polymerization or copolymerization of allylic monomers or oligomers, the optical material having a colorimetric coefficient b* as defined in the CIE (1976) L*a*b* international colorimetric system that is lower than or equal to 6, and a hue angle h higher than or equal to 120° and lower than or equal to 180°, for an optical material thickness of 2 mm.
Pierre Fromentin, Armel Jimenez, Waranya Phompan
Filed: 29 Apr 19
Utility
Optical system for treating chronobiological disorders and/or myopia
3 Oct 23
An optical system having a spectral transmission profile having an average transmittance Ta between 380 nm and 780 nm and an average red light transmittance Tr between a first limit L1 and a second limit L2, with Tr<2*Ta/3 and L1=600 nm and L2=780 nm, and the optical system being configured to allow selectively retinal exposure of an eye to at least one selected range of wavelengths of light in the visible spectrum of 460 nm to 530 nm.
Coralie Barrau, Denis Cohen Tannoudji, Thierry Villette
Filed: 3 Feb 21
Utility
Method of additively manufacturing an ophthalmic lens with at least one added function
3 Oct 23
A method of manufacturing an ophthalmic lens having at least one optical function includes: a step of additively manufacturing a complementary optical element by depositing a plurality of predetermined volume elements on a predetermined build support, the complementary optical element being configured to provide at least a part of the optical function of the ophthalmic lens, wherein the build support includes at least one added value or adhesive configured to provide to the ophthalmic lens at least one added function.
Jean-Marc Padiou, Mathieu Feuillade, Alexandre Gourraud, Loïc Quere, Olivier Roussel
Filed: 5 Dec 18
Utility
Optical articles comprising encapsulated microlenses and methods of making the same
3 Oct 23
The present disclosure includes optical articles comprising a lens having first and second lens surfaces and a protective layer having first and second protective surfaces that is coupled to the lens such that the first protective surface is disposed on the second lens surface.
Matthieu Guillot, Mathieu Meynen, Hao-Wen Chiu, Christophe Plessis, Jeanne Marchal, Bjorn Drobe
Filed: 26 Oct 22
Utility
Functionalized laminated optical element with improved edging resistance
3 Oct 23
The invention relates to a functionalized laminated optical element comprising: —An optical base element; —A functional film structure consisting of a single layer or a multilayer structure; —A layer of a pressure-sensitive adhesive of optical quality, placed between one surface of the optical base element and the functional film structure so as to permanently retain said functional film structure on the surface of the optical base element.
Violaine Coue, Catherine Berger, Manuela Desousa, Tatsuya Suzuki, Katsuhiko Kamiya, Kiyoe Shigetomi, Shinji Hoshino, Junichi Nakayama
Filed: 29 Mar 16
Utility
Adhesive for PC-MOF application
19 Sep 23
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
Methods and systems for augmented reality
19 Sep 23
A method and system for image display with a head-mounted device, which use a seethrough tunable diffractive mirror, such as a see-through tunable holographic mirror or seethrough tunable LCD array mirror, which mirror is useful in providing augmented reality.
Aude Bouchier, Jean-Paul Cano, Samuel Archambeau
Filed: 10 Nov 20
Utility
Holding system for supporting a wafer and an optical element conformed so as to form an optical system and a method for forming such optical system
12 Sep 23
Disclosed is a holding system for supporting a wafer having a first surface, a second surface and a third surface joining the first and second surfaces, and an optical element having a first surface, a second surface and a third surface joining the first and second surfaces, the holding system including: a support including first support unit configured to support the second and/or third surface of the wafer and second support unit configured to support the second and/or third surface of the optical element; a positioning unit configured to position the second surface of the wafer relative to the first surface of the optical element; and a mechanical unit configured to move the first and second support units one relative to the other so as to move the second surface of the wafer and the first surface of the optical element to form an optical system.
Ludovic Jouard, Sira Uhalte Nogues, Mathieu Meynen
Filed: 13 Feb 19