737 patents
Page 26 of 37
Utility
Item Having Improved Thermomechanical Properties, Comprising an Organic-Inorganic Layer
28 Jan 21
The invention relates to an item comprising a substrate having at least one main surface coated with a multilayer interferential coating comprising at least one layer with a refractive index higher than 1.65 and at least one layer with a refractive index lower than, or equal to, 1.65, at least one of the layers of the interferential coating being an organic-inorganic layer that has been deposited in a vacuum environment and has a thickness of at least 30 nm, said interferential coating having a thickness of at least 450 nm and/or at least 8 layers.
Sébastien CHIAROTTO, Karin SCHERER
Filed: 8 Jul 20
Utility
a 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
28 Jan 21
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
Utility
Electronic frame for optical device and optical device comprising such a frame
26 Jan 21
An electronic frame for an optical device, the frame including a front frame element able to partially house at least one lens and including at least one electronic component, the front element extending, on either side of said at least one lens, over a retained length of said at least one lens.
Eric Patin
Filed: 8 Sep 16
Utility
Determining Method for an Ophthalmic Lens with Targeted Transmission Spectrum
21 Jan 21
Disclosed is a method of manufacturing an ophthalmic lens having at least one optical function, including the determination of a transmission spectrum in a wavelength range from 280 to 2000 nm, the determination of a matrix including at least two compounds absorbing light having a wavelength from 280 to 2000 nm, with regard to the determined transmission spectrum, and additively manufacturing the matrix.
Mathieu FEUILLADE, Pierre FROMENTIN, Gregory HERVIEU, David MONTOYA, Aref JALLOULI
Filed: 3 Jun 19
Utility
a Method for Determining a Single Vision Ophthalmic Lens
21 Jan 21
A method implemented by a computer for determining a single vision ophthalmic lens that is adapted to a wearer, the method including awearer prescription data providing step during which wearer prescription data indicative at least of the prescribed optical power of the wearer are provided, a wearing data providing step during which wearing data indicative of the wearing parameters of the single vision ophthalmic lens by the wearer are provided, a single vision ophthalmic lens determining step during which the single vision ophthalmic lens is determined so that in wearing conditions corresponding to the wearing parameters, the single vision ophthalmic lens provides to the wearer the prescribed optical power in at least a first gazing direction when gazing at a first distance and second gazing direction when gazing at a second distance, wherein the first and second distances are different and the first and second gazing directions are different.
Laurent CALIXTE, Matthieu GUILLOT, Carlos REGO
Filed: 28 Mar 19
Utility
Eyewear Comprising an Ophthalmic Lens Having an Edge Coating
14 Jan 21
An eyewear comprising an ophthalmic lens is provided.
Mabeline TAN, Hui YU, Prakhar KASTURE
Filed: 19 Mar 19
Utility
Primer for Tac Film and Laminate
14 Jan 21
Embodiments of the disclosure relate to primer compositions for increasing the adhesion between a polarizing film laminate to a cast-polymerized lens.
Ronald A. BERZON
Filed: 14 Mar 19
Utility
Method for providing a head mounted optical system
12 Jan 21
Method for providing a head mounted optical system, the method comprising: an optical system providing step (S1), during which an optical system with an active function is provided and, an encapsulating step (S8), during which the optical system is at least partly encapsulated in a transparent capsule by stacking in close contact the optical system with at least one substrate of the transparent capsule and made integral with an adhesive.
Benoit Callier, Loïc Quere, Marc Reignault, Sira Uhalte Nogues, Mathieu Meynen, Denis Cohen Tannoudji
Filed: 2 May 14
Utility
Heat-curable Hybrid Epoxy Functional Composition and Transparent Heat-cured Abrasion-resistant Coatings Prepared Therefrom
6 Jan 21
Disclosed is a heat-curable composition including at least one epoxy monomer including two or three epoxy groups, which is not a hydrolysis-polymerizable silicon compound (“monomer (a)”), at least one epoxy compound bearing at least one silicon atom having at least one hydrolyzable group directly linked to the silicon atom and at least one epoxy group, at least one epoxy ring-opening catalyst and at least one organic solvent selected from glycol monoethers.
Haipeng ZHENG, Matthew FREEMAN
Filed: 27 Nov 18
Utility
Lens Element
6 Jan 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: 28 Feb 19
Utility
Device for testing the visual behavior of a person, and method for determining at least one optical design parameter of an ophthalmic lens using such a device
4 Jan 21
A device for testing visual behavior of a person, including: an active display configured to display at least one visually predominant target in a plurality of positions that are variable over time and that are aligned along at least one line or column, and a unit for controlling the display.
Guilhem Escalier, Isabelle Poulain, Benjamin Rousseau
Filed: 13 Oct 16
Utility
Method for Determining an Optical Parameter of a Lens
30 Dec 20
A method implemented by computer means for determining at least one optical parameter of a lens of eyewear adapted for a person, the method comprising: —an image reception step, during which at least a first image and a second image are received, the first image comprising a front view of the face of the person with at least one part of an eye of the person being directly visible, and the second image comprising a front view of the face of the person with said part of the eye of the person being visible through at least part of the lens, and —an optical parameter determination step, during which at least one optical parameter of the lens is determined based on a comparison between said part on the first and the second image.
Stephane GUEU, Julien ANDOCHE, Daniel TANG
Filed: 19 Dec 18
Utility
Molds Having Cooling Behind Insert Technology and Related Methods
30 Dec 20
This disclosure includes injection molds for reducing cycle times and related methods.
Tareq HAQUE, Gary CLARK, David RYS
Filed: 28 Feb 19
Utility
Lens Element
30 Dec 20
A lens element worn in front of an eye of a person 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 optical elements, wherein the optical elements are configured so that along at least one section of the lens the mean sphere of optical elements increases from a point of the section towards the peripheral part of the section.
Matthieu GUILLOT, Björn DROBE
Filed: 28 Feb 19
Utility
Monitoring component of the position of a head mounted device
28 Dec 20
A monitoring component for monitoring relative position of a head mounted device and a user of the head mounted device, the head mounted device including at least one sensor, the monitoring component including: a memory configured to store computer executable code, and a processor configured to execute the computer executable codes stored in the memory of: a communication code configured to receive data from the head mounted device indicative of at least one feature sensed by the at least one sensor of the head mounted device, an information generating code configured to generate an information indicative of the relative position of the head mounted device and the user of the head mounted device based at least on the data received from the head mounted device.
Denis Rousseau, Konogan Baranton
Filed: 31 Mar 16
Utility
Optical article comprising a substrate with an antireflective coating
28 Dec 20
An optical article including a substrate with two main surfaces, at least one of which is covered by a polymer coating having an outer surface, said coating including a first superficial layer beneath the outer surface having a first refractive index n1 and a second layer beneath the first superficial layer having a second refractive index n2, with n2<n1 and having the lowest refractive index of said polymer coating, and said coating exhibiting antireflective properties due to the difference between refractive indexes n1 and n2, said refractive index difference within the coating resulting from a plasma, corona, and/or an ion beam treatment of an initial polymer coating, through the outer surface.
William Trottier-Lapointe, Oleg Zabeida, Ludvik Martinu, Jolanta Klemberg-Sapieha, Karin Scherer
Filed: 10 May 17
Utility
Optical article comprising an antireflective coating with a high reflection in the near infrared region (NIR)
28 Dec 20
This invention relates to an ophthalmic lens comprising 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 antireflective coating, characterized in that the number of layers of said antireflective coating is higher than or equal to 5, and the antireflective coating comprises: —at least one layer having a low refractive index which is <1.6, defined as “LI layer”, —at least one layer having a very high refractive index which is ≥2.2, defined as “VHI layer” and —at least one layer having a high refractive index which is ≥1.6 and <2.2, defined as “HI layer”, the HI layer being the layer which is the nearest from said substrate amongst said LI, HI and VHI layers, and such that the mean reflection factor in the near infrared (NIR) region RmNIR of said antireflective coating is higher than or equal to 40% at an angle of incidence lower than 35°.
Xingzhao Ding
Filed: 3 May 17
Utility
Wearable Binocular Optoelectronic Device for Measuring Light Sensitivity Threshold of a User
23 Dec 20
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: 12 Feb 19
Utility
Ophthalmic Tinted Glass
23 Dec 20
An ophthalmic tinted glass (10) comprises a substrate-forming base eyeglass (1), a first layered structure (2) which covers a convex face (Cx) of the base eyeglass, and optionally a second layered structure (3) which covers a concave face (Cc) of the base eyeglass.
Francisco DE AYGUAVIVES, Xiaohong ZHANG, William TROTTIER-LAPOINTE
Filed: 14 Feb 19
Utility
Ophthalmic Tinted Lens
23 Dec 20
An ophthalmic tinted lens has a visual transmission value TV for quantifying a first light intensity ratio which relates to light effective for human vision and transmitted through the lens in daylight condition, and also has a value of a chronobiological factor FC for quantifying a second light amount ratio which relates to light effective for a non-visual physiological effect and also transmitted through the lens in daylight condition.
Coralie BARRAU, Montserrat BURGOS, Natalia SCHIANCHI
Filed: 10 Feb 19