314 patents
Page 8 of 16
Utility
System for coating an optical article with a predetermined coating composition, coating device for such a system and method for using the system
7 Dec 21
The invention provides a system for coating an optical article with a coating composition (50), comprising a chamber configured to receive said article, a coating device configured to carry out a coating treatment of said composition for depositing it on said article in said chamber, by vaporizing said composition and by exposing at least a face of said article to the vaporized composition, and a control unit configured to control said coating device for coating said article by vaporizing said composition; said coating device being formed as a single cartridge unit comprising a casing (41) configured to contain said composition, a vaporizing conduit (49) opening both into said casing and outside of said coating device, and a propelling member (52) configured to pressurize said composition; said coating device being configured to put in fluidic communication said propelling member in an operative state with said casing in order to carry out said coating treatment for coating an article.
Arnaud Glacet, Gérald Fournand
Filed: 29 Jul 16
Utility
Method for providing a selection chart of nonprescription ophthalmic lenses
7 Dec 21
A method is provided for providing a selection chart of non-prescription ophthalmic lenses.
Asma Lakhoua, Fabien Muradore, Sebastien Fricker
Filed: 26 Oct 17
Utility
Frame optimization system and method
30 Nov 21
The disclosed embodiments include a system that has a processor for executing computer-executable instructions and a computer-readable storage media for storing the computer-executable instructions.
John Lastinger, Gabriel Keita
Filed: 16 Apr 15
Utility
Method for evaluating cosmetic defects of an optical device
9 Nov 21
Disclosed is a method for evaluating cosmetic defects of an optical device, including: a first step of acquiring a first set of cosmetic defects of the optical device; a second acquiring step during which a second set of cosmetic defects of the optical device is acquired, the second set of cosmetic defects being different from the first set of cosmetics defects and including at least one cosmetic defect corresponding to a cosmetic defect of the first set of cosmetic defects; a determining step, during which a subset of the first set of cosmetic defects of the optical device is determined based on the comparison of the cosmetic defects of the second set of cosmetic defects and the cosmetic defects of the first set of cosmetic defects; and a determining step, during which a quality factor of the optical device is determined based on the subset of cosmetic defects.
Pascal Mathey, Dominique Leguy
Filed: 22 Oct 18
Utility
Optical article comprising an interferential coating with a high reflection in the near infrared region (NIR)
9 Nov 21
This invention relates to an optical article comprising a transparent substrate with a front main face and with a rear main face, at least one of the main faces being coated with an interferential coating, characterized in that said interferential coating comprises a stack comprising: —at least one layer having a low refractive index which is <1.6, called “LI layer”, —at least one HI/VHI/HI triplet of three layers composed of one layer: •having a very high refractive index which is ≥2.1, called “VHI layer”, •surrounded on both sides by two layers having a high refractive index which is ≥1.6, called “HI layers”, and such that the mean reflectance in ultra violet (UV) region Ruv of said interferential coating is lower than or equal to 10% at an angle of incidence comprised between 30° and 45°.
Xingzhao Ding
Filed: 9 Aug 17
Utility
Method for determining at least one parameter associated with an ophthalmic device
26 Oct 21
A method for automatically determining at least one parameter associated with an ophthalmic device selected by an individual, said device comprising a frame referred to as selected frame, said determination being carried out from an acquired image of the face of the individual wearing the selected frame or a frame of a second ophthalmic device.
Sylvain Le Gallou, Jérome Guenard, Ariel Choukroun, Serge Coural
Filed: 20 Jul 18
Utility
Method for customizing a mounted sensing device
19 Oct 21
A method for customizing a mounted sensing device including a first set of similar or identical sensors having different location and/or orientation, each sensor configured to measure at least one first parameter relating to a wearer of the mounted sensing device, the method including: a sensor selecting during which at least one of the sensors is selected to be used to measure the at least one first parameter, wherein the at least one selected sensor is selected among the first set of similar or identical sensors based on wearer data indicative of morphology of the wearer, and based on their respective location and/or orientation such that the selected at least one sensor is a most appropriate for the wearer and/or for measuring the at least one first parameter.
Denis Rousseau, Marie Lore
Filed: 9 Mar 16
Utility
Distributed optical job and manufacturing computation systems and methods
19 Oct 21
Systems, computer-implemented methods, and computer-readable storage media that execute, are configured to execute, or store instructions that enable modification of optical manufacturing data, including a computer-implemented method for modifying optical manufacturing data.
Sebastien Piraube
Filed: 17 Dec 15
Utility
Method for providing a display unit for an electronic information device
19 Oct 21
A method for providing a display device for an electronic information device configured to display a virtual image to a user, the electronic information device including an optical element having a nonzero optical power and configured to be positioned in front of an eye of a user, the display device including a light source and a guide element configured to guide optical beams emitted by the light source to the eye of the user to allow viewing of the virtual image, the method including: providing a value of a parameter of the virtual image; and determining an optimum value of a display parameter of the display device from at least one optical power at a point of the optical element and from the value of the parameter of the virtual image.
Gilles Le Saux, Aude Bouchier, Pauline Colas, Loic Quere, Matthieu Guillot, Jean Marc Cornier
Filed: 5 Jul 17
Utility
Method for determining an updated visual correction need for designing a new vision correcting device
5 Oct 21
Disclosed is a method for determining an updated visual correction need for designing a new vision correcting device of an individual already having a previous vision correcting device previously designed to correct his/her vision, wherein, in a first step, a previous level of correction of the previous vision correcting device is acquired, in a second step, a current vision acuity parameter of the individual wearing the previous vision correcting device is assessed, and, in a third step, the updated visual correction need is determined based on the previous level of correction of the previous vision correcting device acquired in the first step and on the current vision acuity parameter assessed in the second step.
Pascal Allione, Thierry Bonnin, Jean Sahler, Stéphane Gueu, Sébastien Maurice
Filed: 14 Sep 17
Utility
Method and ophthalmic element for stimulating a non-visual physiological effect
5 Oct 21
A computed factor allows quantifying the efficiency of a light filter to stimulate a non-visual physiological effect which is responsive to light entering into a subject's eye.
Coralie Barrau, Montserrat Burgos
Filed: 21 Dec 16
Utility
Method for determining a filter for an ophthalmic lens as a function of a quantity representing a dynamic sensitivity of the eye of a wearer to a variation in a luminous flux
5 Oct 21
Anne-Catherine Scherlen, Marie Dubail, Adèle Longo, Coralie Barrau, Sarah Marie, Elise Poletto
Filed: 12 Mar 17
Utility
Method for calibrating a binocular displaying device
5 Oct 21
A calibrating method for calibrating the position of pictures on display elements of a binocular displaying device, the binocular displaying device comprising a right display element and a left display element to display right and left pictures.
Denis Rousseau
Filed: 14 Jun 16
Utility
Optical lens
28 Sep 21
A lens element adapted for a person including a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of the person, a plurality of optical elements placed on at least one surface of the holder to at least one of: slow down, retard, or prevent a progress of the abnormal refraction of an eye of the person, and at least one layer of at least one coating element covering at least a zone of at least one optical element and at least a zone of the holder on which the optical elements are placed, wherein said at least one layer of at least one coating element adds an optical power of 0.1 diopter in absolute value in specific wearing conditions when measured over said zone of the optical element covered by said at least one layer of at least one coating element.
Matthieu Guillot, Helene Guillou, Carlos Rego, Eric Gacoin
Filed: 10 Mar 21
Utility
Near infrared light-cutting optical articles with low residual color
21 Sep 21
The present invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and at least one near infrared absorber, wherein TVIS is higher than or equal to 70%, TNIR is lower than or equal to 85%, TNIR and TVIS being respectively the average optical transmittance in the 780-1400 nm and in the 380-780 nm wavelength range for the optical material through a 2 mm thick layer of said optical material.
Pierre Fromentin
Filed: 20 Oct 17
Utility
Method for determining a parameter of an optical equipment
21 Sep 21
A method for determining a parameter of an optical equipment including an optical equipment positioning step, during which an optical equipment comprising a pair of optical lenses mounted on a spectacle frame is positioned in a first position, a portable electronic device positioning step, during which a portable electronic device comprising an image acquisition module is positioned in a second position determined and/or known relatively to the first position so as to acquire an image of a distant element seen through at least part of the optical lenses of the optical equipment in the first position, a parameter determining step, during which at least one optical parameter of the optical equipment is determined based on the image of a distant element seen through at least part of the optical lenses of the optical equipment in the first position.
Stephane Gueu, Jean Carrier
Filed: 14 Nov 19
Utility
Spectacle lens provided with a permanent marking
7 Sep 21
A spectacle lens includes a substrate and an anti-reflection or mirror interference coating covering the substrate on the side of the front face, the interference coating forming a one-dimensional or two-dimensional bar code pattern, the marking being formed by a plurality of point holes on a portion of a thickness of the interference coating, the front face having, away from the point holes, a coefficient of reflection of light having a predetermined nominal value and, in each the point hole, a coefficient of reflection of light having a particular predetermined value that is different from the nominal value.
Sébastien Maurice, Christophe Hubert, Stéphane Auffray, Daniel Ferreira
Filed: 7 Sep 17
Utility
System and method for conformal cooling during a lens manufacturing process
7 Sep 21
The disclosed embodiments include a system and method for manufacturing a lens.
Paresh Kitchloo, Nathan Payne, Severine Tisne
Filed: 25 Mar 16
Utility
Temporary polar patches
31 Aug 21
Optical polymeric sheets with specific ranges of optical retardation, elastic modulus, and Shore A hardness were used to construct flexible polar patches.
Hao-Wen Chiu, Haifeng Shan, Elliot French
Filed: 19 Oct 16
Utility
Machine for coating an optical article with an anti-soiling coating composition and method for using the machine
24 Aug 21
A machine for coating an optical article with an anti-soiling coating composition, includes a vacuum chamber (8) configured to receive the optical article, a vacuum pump (20) connected to the vacuum chamber (8), a plasma generator (11) configured to carry out a vacuum plasma treatment of the optical article, an evaporation device (10) configured to carry out a vacuum evaporation treatment of the composition for depositing it on the optical article, a control unit (2) controlling the plasma generator for removing an initial outermost anti-soiling coating of the article, controlling the evaporation device for recoating the article with the anti-soiling coating composition, being configured to causes the vacuum pump (20) to suck gases from the chamber (8) during vacuum plasma treatment and being further configured to causes the vacuum pump (20) not to suck gases from the chamber (8) during vacuum evaporation treatment.
Reto Strobel, Stephan Scholze, Gérald Fournand, Narendra Borgharkar
Filed: 6 Oct 16