737 patents
Page 25 of 37
Utility
Method for determining a dioptric parameter of an ophthalmic lens to be provided to a person
16 Mar 21
A method for determining a dioptric parameter includes: first, a test optical element having a dioptric function having a specific value of the dioptric parameter to be determined is provided and the person looks at a visual target using the test optical element; second, evaluation data and certitude data are collected, the evaluation data being indicative of the visual assessment expressed by the person looking at the visual target using the test optical element and certitude data being indicative of the degree of certainty of the person upon expressing the visual assessment.
Gildas Marin, Jean-Luc Perrin, Martha Hernandez Castaneda
Filed: 18 Jul 17
Utility
Phase Change Optical Device
11 Mar 21
An optical device including an aerogel located in an encapsulating structure, an optically non isotropic material presenting a refractive index which can be changed upon submitting said material to an electrical field, preferentially a liquid crystal mixture, embedded in the aerogel, and first and second electrodes arranged to generate an electric field in the encapsulating structure.
Samuel ARCHAMBEAU, Claudine BIVER, Pascal ETIENNE, Sylvie CALAS ETIENNE, Laurent BONNET
Filed: 29 Jan 19
Utility
Polymer Composition and Methods Using Said Polymer Composition to Manufacture Ophthalmic Lens
11 Mar 21
Robert VALERI, John BITEAU
Filed: 8 Oct 20
Utility
Spectacle Lens Comprising an Activable Optical Filter
11 Mar 21
A spectacle lens including an activable optical filter, the activable optical filter being configured to be actively switched between at least three configurations, wherein in the first configuration, the color perception of the spectacle wearer is unaltered, in the second configuration the activable optical filter provides a specific filtering function, in the third configuration vision of the spectacle wearer is protected against glare.
Jerome BALLET, Samuel ARCHAMBEAU, Jean-Paul CANO, Frederic ARROUY, Loic QUERE
Filed: 20 Feb 18
Utility
Optical system for treating chronobiological disorders and/or myopia
9 Mar 21
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: 10 Apr 17
Utility
Method for determining an optical system of a progressive lens
9 Mar 21
A method for determining an optical system of a personalized progressive lens for a given wearer including: a) providing a mean direction of gaze determined for the wearer in a reference frame tied to the head of the wearer; b) determining a target value for at least one optical design parameter as a function of the mean direction of gaze determined in a); c) calculating the optical system of the progressive lens by an optical optimization procedure on the basis of target values, wherein the target value of each optical design parameter as a function of the mean direction of gaze determined in b) is a target value.
Benjamin Rousseau, Guilhem Escalier, Isabelle Poulain, Juliette Wierzbicki, Laurent Calixte, Nacer Lakhchaf, Sarah Marie, Thierry Bonnin, Valerie Jolivet
Filed: 11 Oct 16
Utility
Liquid polymerizable composition comprising mineral nanoparticles and its use to manufacture an optical article
2 Mar 21
Disclosed is a liquid polymerizable composition including a phosphine oxide or a phosphine sulphide monomer composition with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.
Mathieu Feuillade, Guillaume Cantagrel
Filed: 26 Jun 13
Utility
Process for Manufacturing Light Absorbing Polymer Matrix
25 Feb 21
An ophthalmic lens comprising a transparent polymer matrix and core shell nanoparticles which are dispersed in the transparent polymer matrix, wherein the core of core shell nanoparticles results from polymerization of a composition comprising nanoparticle core precursors and at least one photochromic compound, and the shell of core shell nanoparticles comprises a mineral compound.
John BITEAU, Ronald BERZON, Pierre FROMENTIN
Filed: 19 Dec 18
Utility
Methods and Systems for Augmented Reality
25 Feb 21
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
Method for optimizing a set of optical lens blanks
23 Feb 21
Method implemented by computer means for optimizing a set of optical lens blanks to be used to manufacture a set of optical lenses, each optical lens comprising a first optical surface, a second optical surface, 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, a lens blank cost function providing step during which a lens blank cost function is provided, the lens blank cost function being a function of the price of the optical lens blanks comprised in the set of optical lens blanks, a material cost function providing step during which a material cost function is provided, the material cost function being a function of the quantity of material to be removed from an optical lens blank so as to provide an optical lens adapted to the provided data, a lens blank optimization step during which the number and the contours of the different lens blanks comprised in the set of lens blanks to be used to manufacture the set of optical lenses adapted to the provided data and that minimizes a global cost function is determined, the global cost function being a weighted sum of the supply cost function, the lens blank cost function and the material cost function with the weight of the cost functions different from zero.
Thierry Baudart, Florence Morel
Filed: 20 Jan 15
Utility
Machine and method for an automated filling of a mold assembly for molding an ophthalmic lens
23 Feb 21
The present disclosure relates to a machine for an automated filling of a mold assembly for molding an ophthalmic lens, comprising: filling means to fill the mold assembly with a molding material through a filling aperture provided in the mold assembly, acquiring means to acquire an input value linked to the internal volume of the mold assembly, and control means for controlling the flow rate of molding material injected by the filling means in the mold assembly according to a flow rate profile deduced as a function of said input value.
Amparo Acda, Ratchapoom Maruthanont, Chatree Homwongs
Filed: 23 Dec 14
Utility
Method for monitoring an optical lens manufacturing process
23 Feb 21
A method for monitoring an optical lens manufacturing process at a first lens manufacturing side, the method including: a manufacturing data collecting, during which sets of manufacturing data indicative of at least a manufacturing process parameter and/or a manufacturing device parameters and/or an operator parameter and/or an environment parameter at the first lens manufacturing side are collected; a manufacturing information generating, during which at least one manufacturing information indicative of at least a manufacturing process parameter and/or a manufacturing device parameters and/or an operator parameter and/or an environment parameter at a second lens manufacturing side is generated based on the collected manufacturing data.
Ronald Gauthier, Stephane Gueu, Benoit Cazal, Isabelle Simon
Filed: 27 Jan 17
Utility
Lens Element
18 Feb 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: 1 Mar 19
Utility
Optical Lens and Method of Coating an Edge Surface of an Optical Lens
18 Feb 21
A method of coating an edge surface of an optical lens is provided.
Mabeline TAN, Hui YU, Ker Chin ANG, David HERFORT
Filed: 14 Mar 19
Utility
Lens Element
18 Feb 21
A lens element intended to be worn in front of an eye of a wearer includes a refraction area having a refractive power based on a prescription for said eye of the wearer.
Matthieu GUILLOT, Bruno FERMIGIER, Gilles LE SAUX, Marius PELOUX
Filed: 1 Mar 19
Utility
Nanoparticles of Encapsulated Light-Absorbing Agent, Preparation Thereof and Ophthalmic Lens Comprising Said Nanoparticles
18 Feb 21
The invention relates to nanoparticles of a composite material comprising a light absorbing agent dispersed in a matrix of a mineral oxide, to a method for the preparation of such nanoparticles, to the use of said method to modify the hue of nanoparticles of composite material comprising a light absorbing agent, and to an ophthalmic lens comprising such nanoparticles.
Pierre FROMENTIN, Tipparat LERTWATTANASERI, Waranya PHOMPAN
Filed: 9 Feb 18
Utility
Method for obtaining a material comprising a liquid crystal mix with a stabilized blue phase and optical article comprising this material
16 Feb 21
A method for obtaining a material containing mesogenic compounds forming a liquid crystal mix with a stabilized blue phase.
Samuel Archambeau, Jean-Paul Cano, Sebastian Guaza
Filed: 6 Jul 16
Utility
Frame recognition system and method
16 Feb 21
The disclosed embodiments provide an improved method for enabling consumers to identify and purchase a desired frame that is captured in an image.
Jean Sahler, Adrien Boularot, Francois-Dumas Lattaque, Vivien Pouget
Filed: 6 May 15
Utility
Variable Optical Transmission Device and Associated Control Method
4 Feb 21
A variable optical transmission device (2) comprising: —ariable transmission optics (4a, 4b) capable of varying an optical transmission between an initial transmission value (TV (ti)) and a target transmission value (TVtarget), and —a control unit (5) configured to control a transmission parameter of the variable transmission optics, wherein the control unit (5) is configured to control a response duration of the variable transmission optics as a function of the initial transmission value (TV (ti)) and the target transmission value (TVtarget).
Marius PELOUX
Filed: 5 Feb 19
Utility
Method for updating an index of a person
2 Feb 21
A method for updating an index of a person, the method includes: an index providing during which an index is defined as a function of at least one parameter related to the person is provided; a parameter monitoring during which the at least one parameter of the person is monitored over time; an index update during which the index of the person is updated based on the evolution over time of the at least one parameter of the person.
Marie Lore, Marion Swital
Filed: 1 Apr 16