737 patents
Page 27 of 37
Utility
Method for modifying a non-dioptric parameter of an optical system
21 Dec 20
A method is implemented by a computer for modifying a non-dioptric parameter of an optical system including a first and a second surface.
Pascal Allione, Celine Benoit, Laurent Calixte, Sylvain Chene, Jean Sahler
Filed: 11 Apr 16
Utility
Method of Additively Manufacturing an Ophthalmic Lens with at Least One Added Function
16 Dec 20
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: 4 Dec 18
Utility
Lens Element
16 Dec 20
A lens element intended to be worn in front of an eye of a person that includes a refraction area having a refractive power based on a prescription for the eye of the person, and a plurality of at least three non-contiguous optical elements, at least one optical element having a non-spherical optical function.
Matthieu GUILLOT, Bruno FERMIGIER, Marius PELOUX, Björn DROBE
Filed: 28 Feb 19
Utility
Injection molds including vertical snap-gate devices and methods for producing molded articles using the same
14 Dec 20
Disclosed are injection molds, injected molded articles, and methods for using the same.
Gary S. Clark, David J. Rys, Nattapop Napkun, Timothy Holton
Filed: 5 Feb 18
Utility
Determining Method for an Ophthalmic Lens with Optimized Thickness
9 Dec 20
A method of determining at least one parameter of an ophthalmic lens (40) including a complementary optical element (12) obtained by additive manufacturing and configured to provide at least a part of the optical function of the ophthalmic lens, the determining method including a step of providing two characterizing surfaces simulating two opposite surfaces of a complementary optical element (12), the distance between the two characterizing surfaces along a thickness axis (Z) defining the thickness of the complementary optical element; a step of optimizing the distance between the two characterizing surfaces (20) along the thickness axis (Z) so that the thickness of the complementary optical element reaches a thickness threshold while complying with the optical function of the ophthalmic lens (40); and a step of determining at least one parameter of the ophthalmic lens (40) on the basis of the optimized distance.
Jean-Marc PADIOU, Mathieu FEUILLADE, Alexandre GOURRAUD, Loïc QUERE, Olivier ROUSSEL
Filed: 4 Dec 18
Utility
Composition for the Manufacture of an Ophthalmic Lens Comprising an Encapsulated Light-Absorbing Additive
9 Dec 20
The present invention relates to an ophthalmic lens which efficiently absorbs light rays without degradation of the light-absorbing additive, said ophthalmic lens comprising a composite matrix, a catalyst, a UV absorber and at least one light-absorbing additive contained in nanoparticles which are dispersed in said allyl monomer or allyl oligomer.
Pierre FROMENTIN, Tipparat LERTWATTANASERI
Filed: 14 Nov 18
Utility
Method and Assembly for Verifying the Mounting of an Ophthalmic Lens In a Frame
9 Dec 20
Gilles LE SAUX
Filed: 5 Dec 18
Utility
Method and System for Selecting a Color Filter, Optical Article Comprising Such a Color Filter
9 Dec 20
The invention relates to a method for selecting a color filter intended to be worn by a subject in order to improve his visual performance for a given visual task to be realized in a given environment.
Rémy ALLARD, Daphné SILVESTRE, Yannis CHENGUITI
Filed: 5 Dec 18
Utility
Method for providing an ophthalmic lens to a wearer
7 Dec 20
A method for providing an ophthalmic lens to a wearer including: providing the wearer's astigmatism features measured at a first proximity; providing the wearer's astigmatism features measured at a second proximity, wherein the second proximity is greater than the first proximity; determining customized wearer's astigmatism features based on the combination resulting of linear combinations of the wearer's astigmatism features measured at the first proximity and of the wearer's astigmatism features measured at the second proximity; and applying the customized astigmatism features to the ophthalmic lens.
Martha Hernandez-Castaneda, Nisha Singh
Filed: 10 Apr 17
Utility
Electronic frames
7 Dec 20
An electronic frame including: a surface element configured to house at least one lens; at least one sidepiece having an end that is connected to the surface element by a hinge having a hinge axis; a conductor configured to bend and that extends between the surface element and the at least one sidepiece in the region of the hinge; at least one body positioned between the surface element and an end of the at least one sidepiece, the body being movably mounted in the electronic frames and including a through-opening to allow the conductor to pass through.
Ludovic Jouard, Eric Patin
Filed: 7 Sep 16
Utility
TAC Primer Coating with Improved Adhesion
2 Dec 20
An enhanced primer formulation that may be used in a variety of lens and film laminate applications is disclosed herein.
Peiqi JIANG, Christopher THAI, Marvin POUNDERS
Filed: 18 Sep 16
Utility
Eyeglass lens
30 Nov 20
The present invention addresses the problem of providing an eyeglass lens that has excellent UV absorption properties and low yellowness.
Hideyuki Wakiyasu
Filed: 29 May 17
Utility
Ophthalmic progressive addition lens for a myopic and presbyopic wearer and method for providing same
30 Nov 20
An ophthalmic progressive addition lens for a myopic 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≥1340 D2·deg2, and wherein: AcuityCriterion1 is defined as a combination of PPO(α, β), ASR(α, β), ADDp, and ACU(α, β).
Benjamin Rousseau, Melanie Heslouis, Sebastien Fricker
Filed: 10 Oct 16
Utility
Methods and systems for augmented reality
30 Nov 20
A method and system for image display with a head-mounted device, which use a see-through tunable diffractive mirror, such as a see-through tunable holographic mirror or see-through tunable LCD array mirror, which mirror is useful in providing augmented reality.
Aude Bouchier, Jean-Paul Cano, Samuel Archambeau
Filed: 29 Jun 16
Utility
Ophthalmic progressive addition lens for an emmetropic and presbyopic wearer and method of providing same
30 Nov 20
An ophthalmic progressive addition lens for an emmetropic 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≥435 D2.deg2, 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: 10 Oct 16
Utility
Method of determining a correcting optical function to a virtual image
30 Nov 20
A method implemented by computer device of determining a correcting optical function to be applied on a virtual image to be displayed to a user of an optical system including an optical lens to be placed in front of a user eye and including a back face having an optical design; a see-through displaying device configured to display the virtual image towards the eye, the virtual image being transmitted at least through the back face of the optical lens defining a display area on the back face; the method includes a step, during which optical design data relating to the optical design of the back face of the optical lens are provided; a display area data providing step, during which display area data relative to at least one parameter of the display area are provided; and a correcting optical function determining step, during which a correcting optical function is determined based at least on the optical design data and on the display area data.
Denis Rousseau, Benoit Callier, Marion Swital
Filed: 11 Sep 17
Utility
Method of manufacturing ophthalmic lenses and system for the manufacturing of such ophthalmic lenses
30 Nov 20
The invention concerns a method of manufacturing an ophthalmic lens, comprising the steps of providing, mounting and blocking a substrate (10) on a machining support unit (65), surfacing an upper face (12) of said substrate, edging a peripheral edge (13) of said substrate, wherein said machining support unit comprises a surfacing member (40) and an edging member (30) which are separable, said surfacing member having a cavity (51) in which said edging member is located during said step of surfacing, said surfacing and edging members being configured so that said substrate is mounted and blocked on said machining support unit in a first predetermined position for the surfacing and the edging and, between said steps of surfacing and edging, the method comprises the step of withdrawing said surfacing member from said machining support unit by retaining said substrate on said edging member.
Peiqi Jiang, Gabriel Keita, Leanirith Yean, Gilles Baillet
Filed: 17 Oct 18
Utility
Optical device adapted for a wearer
23 Nov 20
An optical device for a wearer including an optical system with an active function configured to be mounted into a frame, a wafer comprising an internal face facing the optical system, the wafer being configured to be mounted into the frame, and holding means configured to maintain the optical system and the wafer in the frame without contact at least between a part of the optical system and the internal face of the wafer.
Loic Quere, Eric Gacoin, Benoit Callier, Mathieu Meynen, Alexis Raposo, Hasana Sadiki, Marc Reignault
Filed: 27 Jun 16
Utility
Method of retrofitting a vacuum deposition chamber
23 Nov 20
The invention relates to a method of retrofitting a vacuum deposition chamber of an apparatus for coating optical substrates, the vacuum deposition chamber comprising a second resistance evaporator crucible.
Brian McCrady, Alain Mathieu, Cesar Maksoud, Todd Lane Jacobs
Filed: 20 Nov 19
Utility
Optical article protecting from blue light
23 Nov 20
The present invention relates to an optical article comprising a substrate with a front main face and a rear main face, having a colorimetric coefficient b* as defined in the CIE (1976) L*a*b* international colorimetric system that is lower than or equal to 4, a relative light transmission factor in the visible spectrum Tv higher than or equal to 87%, and blocking at least 8% of light having a wavelength ranging from 420 to 450 nm arriving on said front main face.
Aude Carrega, Armel Jimenez, Franck Lestournelle, Amélie Kudla
Filed: 5 Nov 15