Essilor International

Essilor International (compagnie Generale D'optique)

Mathieu Meynen

Marc Reignault

Matthieu Guillot

Eric Gacoin

Jérôme Moine

Ludovic Jouard

Loic Quere

Benoit Callier

Jeanne Marchal

Sira Uhalte Nogues

Hao-Wen Chiu

Christophe Plessis

Alexandre Gourraud

Jean-Marc Padiou

Marius Peloux

Loïc Quere

Chefik Habassi

Denis Cohen Tannoudji

Bernard Pons

Dominick Hubacz

Sunil Madhukar Bhangale

Luis Ricardo Castro Martinez

Hasana Sadiki

Joël Bernard

Thierry Devanneaux

Luis Ricardo Castro-Martinez

Alexis Raposo

Chéfik Habassi

The present disclosure includes an optical article for use with an eyewear apparatus. In some implementations, the optical article includes a single optical member having opposing first and second lens surfaces and a magnet coupled to the optical member and configured to be coupled to a frame of an eyewear apparatus. The optical article may also include a mounting bracket coupled to the optical member and configured to be coupled to the frame of the eyewear apparatus.

Rx add-on for glasses

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

The present disclosure includes optical articles comprising a film layer that has first and second film surfaces and is embossed such that the first film surface defines a plurality of concave optical elements and the second film surface defines a plurality of convex optical elements. The present optical articles can include one or more optical layers coupled to the film layer. Each of the optical layer(s) can encapsulate the concave optical elements or the convex optical elements.

Optical articles having embossed films defining encapsulated microlenses and methods of making the same

The present disclosure includes optical articles comprising a lens having first and second lens surfaces and a protective layer having first and second protective surfaces that is coupled to the lens such that the first protective surface is disposed on the second lens surface. The optical article can comprise a plurality of convex or concave optical elements defined on the second lens surface or the first protective surface. The protective layer can have a maximum thickness larger than a maximum height of each of the optical elements such that the protective layer encapsulates the optical elements.

Optical articles comprising encapsulated microlenses and methods of making the same

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 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

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

Method for providing a head mounted optical system, the method comprising: an optical system providing step (S), during which an optical system with an active function is provided and, an encapsulating step (S), 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.

Method for providing a head mounted optical system

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.

Optical device adapted for a wearer

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

Disclosed is a machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect. The method includes a step (-) of determining a turning configuration for machining by turning the at least one surface of the ophthalmic lens, the turning configuration including turning parameters and machine defects parameters associated to the turning parameters.

Machining method by turning at least one surface of an ophthalmic lens, using a turning machine having at least one geometrical defect

An optical device adapted for a wearer includes an emitting system, a first wafer and a gap. The emitting system includes a halt conducting element configured to output a light through an exit face of the light conducting element towards an eye of the wearer. The first wafer includes an internal face facing the light conducting element. The gap is arranged between at least the exit face of the light conducting element and the wafer. The internal face of the wafer includes at least a curved surface facing the exit face and has a curvature greater than 0 D.

Disclosed is a method implemented by computer for determining a lens blank intended to be used for the manufacturing of a finished optical article. The method includes: &#x2014;a virtual volume data determining step, during which virtual volume data are determined based at least on finished optical article data representative of the volume of the finished optical article and over-thickness data representative of over-thickness requirements, the virtual volume data are determined so that the virtual volume defined by the virtual volume data includes the volume of the finished optical article volume of the finished optical article and the over-thickness, &#x2014;a lens blank determining step, during which a lens blank is determined based on the virtual volume data so as to include the virtual volume defined by the virtual volume data.

Growing community of inventors

Charenton-le-Pont, France

Mathieu Meynen