Essilor International

Essilor International (compagnie Generale D'optique)

Ludovic Jouard

Mathieu Meynen

Marc Reignault

Sira Uhalte Nogues

Marius Peloux

Eric Patin

Michel Nauche

Eric Gacoin

Denis Rousseau

Loic Quere

Carlos Rego

Benoit Callier

Laurent Guillermin

Bruno Amir

Chefik Habassi

Loïc Baillon

Cedric Gilbert

Dominick Hubacz

Patricia Koh

Mélanie Heslouis

Paul Joret

Thierry Devanneaux

Frédéric Corbasson

Shindhe Gunputh

Hélène Perchepied

Chéfik Habassi

Laurent Essilor International Guillermin

The present disclosure relates to an eyewear skeleton to be integrated into an active eyewear adapted for a wearer, including at least two elements selected among the following elements: a lens housing, and/or at least one temple, and/or at least one optical lens. At least part of the two elements is to be dressed by at least one dressing element, each of the at least two elements including at least one electronic component, the at least one electronic component of the at least two elements interacting one with the other.

Eyewear skeleton

A method of manufacturing an optical lens including at least one electronic component. The method includes providing a mechanical reference system on an optical lens blank, the optical lens blank being configured to be processed to form the optical lens, providing edging data configured to be used to edge the optical lens blank to form the optical lens, and embedding the at least one electronic component in the optical lens based on edging data and on the mechanical reference system.

Method and system for manufacturing an optical lens having an electronic component

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.

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

A spectacle frame including a first part, at least a second part, a joining part joining the second part to the first part allowing to fold and unfold the second part relative to the first part so that the second part be movable between respective closed position and open position, at least an electrical wiring arranged through the joining part to allow an electrical connectivity between the first part and the second part, wherein the joining part is elastically deformable with curvature radius values higher than a predefined minimum curvature radius value.

Spectacle frame comprising electrical conductors and having a controlled foldability, method of manufacturing

A method for manufacturing an optical article including the following steps: a. providing a first substrate with a main surface, b. depositing a second substrate on the main surface with an adhesive layer so that the space between the first substrate and second substrate is filled by the adhesive layer, c. curing the adhesive layer to induce a polymerization of the adhesive layer, wherein a tension step takes place after steps a. and b., and before step c., the tension step including applying symmetrically a tension, preferentially with a central symmetry, preferentially a radial isotropic tension or an ortho-distributed symmetrical tension, on the edges of the second substrate sensibly in a tension plan parallel to a plan representative of the main surface.

Method for manufacturing an optical article

Disclosed is a method for manufacturing a three-dimensional article, including: a step of producing the article by an additive manufacturing technology, the article including at least two parts that face, at least partially, each other or that have edges facing, at least partially, each other; and a step of finishing of the article. According to the invention, the two parts are produced together with a temporary connection that links the two parts, and the method includes, after the step of finishing, a step of unlinking the temporary connection in order to separate the two parts.

Method for manufacturing a three-dimensional article by an additive manufacturing technology

Disclosed is a spectacle frame including a pair of lens holding rims interconnected by a bridge, each rim being encircling and holding a lens in a central aperture of the rim, each rim being linked laterally to a temple, each rim having at least one cut allowing expansion of the central aperture or retraction and closure of the central aperture by closing the cut. The spectacle frame further includes a lock allowing closure and locking the cuts of the rims. The bridge attaches to the rims to allow attachment of one bridge chosen among bridges having different shapes and/or sizes and/or decorations to adapt the spectacle frame to different morphological features of wearers and/or to choices of the wearers, and wherein the rims and the bridge includes complementary bridge connector to attach and connect the bridge to each rim. A kit of parts and an eyewear are also disclosed.

Spectacle frame with cut rims and attachable bridge, kit of parts and eyewear

The present invention relates to an optical device usable in a head-mounted display which comprises a light conducting element and at least one wafer, and to a head-mounted device which is configured to provide an informative display of augmented reality for a wearer of the head-mounted device and which comprises such an optical device. This optical device () comprises: a light conducting element () which has two first and second opposite main faces (and) and which inputs and conducts by total internal reflections a light () received from the light source () and partially outputs it out of said element, at least one wafer () which comprises an internal surface () facing a said first main face of said light conducting element, and interposition means in contact with said first main face and said internal surface and defining a gap () optically isolating said element. According to the invention, said interposition means comprise a peripheral sealing arrangement () which extends along its peripheral length between and in sealing contact with a peripheral area () of said internal surface and a facing zone () of said first main face, at least one portion of said sealing arrangement exhibiting a locally reduced optical coupling with said first main face to preserve said internal reflections at said at least one portion toward the inside of said element.

Optical device for a head-mounted display, and head-mounted device incorporating it for augmented reality

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.

Electronic frames

Method for encapsulating at least partly a light-guide optical element in a transparent capsule, the method comprising at least: &#x2014;a transparent capsule providing step during which a transparent capsule is provided, &#x2014;a light-guide optical element providing step during which a light-guide optical element is provided, &#x2014;an adhesive deposing step during which an adhesive is deposited on at least part of a face of the transparent capsule and/or of a face of the light-guide optical element, &#x2014;a positioning step during which the transparent capsule and the light-guide optical element are positioned one relative to the other so as to form an optical system, &#x2014;a bonding step during which the light-guide optical element and the transparent capsule are made integral with the adhesive, wherein the method further comprises prior to the bonding step a control step during which at least one parameter of the optical system is controlled.

Method for encapsulating a light-guide optical element in a transparent capsule

An electronic frame for an optical device, including: a frame surface element configured to house, at least in part, at least one lens, and connected to at least one temple by respective ends; a circuit controlling operation of at least one electronic component; at least one magnetic or electric field transmitter and one magnetic or electric field sensor, at least one of the sensor or transmitter mounted to be movable relative to one another between first and second positions, the sensor configured to detect a first field direction and a first field value emitted by the transmitter in the first position, and a second field direction and a second field value emitted by the transmitter in the second position, to generate a first position signal or a second position signal towards the control circuit to prompt a response from the control circuit towards the at least one electronic component.

Electronic frame for an optical device and a method for operating said electronic frame

An electronic spectacle frame including: a face element including a housing for at least partially receiving a lens; and at least one electronic component. The face element includes at least one recess for receiving the at least one electronic component.

Electronic spectacle frame

A method for determining an optical performance parameter of a head mounted display device adapted for a wearer includes a head mounted display device providing step, during which a head mounted display device adapted for a wearer is provided, an optical measurement device providing step, during which an optical measurement device is provided that includes an entrance pupil and a sensor receiving light through the entrance pupil, a positioning step, during which the optical measurement device and the head mounted display device are positioned so that the position of the entrance pupil of the optical measurement device corresponds to the position of the pupil of the wearer when wearing the head mounted display device, an optical performance parameter determining step during which at least one optical performance parameter of the head mounted see-through display device is determined based on the data measured by the optical measurement device.

Method for determining an optical performance of a head mounted display device

The invention relates to a process for manufacturing an ophthalmic lens equipped with an insert (), by means of a mold, comprising: &#x2014;a step of molding a puck () comprising two faces (A,B) and said insert () positioned between said faces; and &#x2014;a step of machining at least one of said faces (A,B) of said puck in order to form one of the front or back faces of said ophthalmic lens, the insert () being positioned relative to one portion of the mold before said molding step, According to the invention, an element associated with the insert or an imprint of this element left in the puck after the element has been removed comprises at least one of its portions providing a positional reference relative to said insert () in the machining step.

Process for manufacturing an ophthalmic lens equipped with an insert

A method of reading the outline of the bezel of a rim of an eyeglass frame, includes contacting the bottom of the bezel and a feeler finger () belonging to a feeler () and pointing along a feeler axis (C) or with a feeler blade belonging to a feeler and extending in a feeler plane, and moving the feeler along the bezel In order to feel the bottom of the bezel by turning about an axis of rotation. The invention, the feeler blade or finger, at least when located in a temple zone of the rim of the frame, points obliquely towards the rim of the frame and towards its rear side that is to be placed facing the eyes of a wearer, such that its feeler axis or its feeler plane forms a non-zero feeler angle (A) with a plane orthogonal to the axis of rotation of the feeler.

Growing community of inventors

Charenton-le-Pont, France

Ludovic Jouard