Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.

Abstract: Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.

Abstract: The present invention generally provides systems, methods and ophthalmic lenses for image display of a virtual image, such as the display of a holographic image. According to the invention, an ophthalmic lens is advantageously configured for optimizing the visualization of said displayed virtual images.

Abstract: Disclosed is a multilayer structure for an electrochromic cell, to a electrochromic cell and an ophthalmic device incorporating the multilayer structure, to corresponding uses of the multilayer structure, and to methods for manufacturing the multilayer structure, the electrochromic cell and the ophthalmic device. The multilayer structure includes:—a transparent flexible substrate including a thermoplastic polymeric film, the flexible substrate having two main surfaces, at least one being configurated to be a barrier to oxygen, water vapor and/or solvents, and—a electrically conductive layer which surmounts the flexible substrate to form a flexible first part of the electrochromic cell, the electrically conductive layer being configured to form an electrode of the electrochromic cell and including a deformable electrically conductive nanostructure. The flexible first part is formed to a curved shape defined by a first curvature including at least one of a cylindrical, toric and spherical curvature.

Abstract: The present invention concerns an optical system intended to be held by a frame and worn by a wearer, the optical system comprising a lens, the lens further comprising a metasurface formed by at least a set of nanostructures, at least the lens and the metasurface being designed to achieve an optical system transmission target optical function and an optical system reflective target optical function.

Abstract: An electrically-controlled optical device intended to be placed in front of a user's eye, the electrically-controlled optical device being an ophthalmic device, the electrically-controlled optical device comprising: a front shell defining a front surface and a back surface opposed to the front surface, the front shell comprising a slab, at least one functional layer arranged on the back surface and one primer layer, said primer layer being arranged between the at least one functional layer and the slab; and an electrically-controlled object facing the back surface of the front shell wherein the primer layer is conformed such that the electrically-controlled optical device is mechanically resistant to an impact energy of at least 200 mJ.

Abstract: An optical lens intended to be placed before a wearer's eye and having a front surface and a rear surface, the rear surface being the surface intended to be the closest to the wearer's eye when the optical lens is placed before a wearer's eye, the optical lens having a mineral glass element on the front surface and further comprising an eye protector that is configured to prevent any piece of the mineral glass element from reaching the wearer's eye when the element is broken, said eye protector comprising a polymer wafer arranged on the rear surface.

Abstract: An electrochromic device including a selective membrane separating two liquid media including at least one electrochromic compound and at least one compound able to be oxidized or reduced and showing low energy consumption.

Abstract: 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.

Abstract: The invention relates to a process for manufacturing an ophthalmic lens element equipped with an insert (1), this ophthalmic lens element comprising a front face and a back face, comprising steps consisting in: providing a first portion or intermediate product (2, 2?) made of a first material comprising a first and second frontal face (2A, 2B, 2A?, 2B?), said second face forming the back or front face of said ophthalmic lens element; placing the insert (1) on said first face of said intermediate product; depositing a second material in liquid form on said first face of the intermediate product (2, 2?) so as to cover at least partially said insert with said second material; and solidifying said second material in order to form an integral second portion (4) of said intermediate product. According to the invention, said first material is organic.

Abstract: Active optical filter adapted for a spectacle lens, the active optical filter being configured so as to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.

Abstract: The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.

Abstract: An active optical filter adapted for a spectacle lens, the active optical filter configured to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.

Abstract: An optical article including a substrate, and a holographic waveguide covering at least part of the substrate and including two main surfaces, at least one of them conforming to a surface of the substrate, and at least first and second zones that are configured so that light incoming on one of the first and second zones is at least partially guided towards the other of the first and second zones.

Abstract: The present invention generally provides systems, methods and ophthalmic lenses for image display of a virtual image, such as the display of a holographic image. According to the invention, an ophthalmic lens is advantageously configured for optimizing the visualization of said displayed virtual images.

Abstract: Electrochromic compounds and optical articles containing them The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.

Abstract: Systems, methods and ophthalmic lenses for image display of a virtual image, such as display of a holographic image. An ophthalmic lens is configured to optimize visualization of the displayed virtual images.

Abstract: The invention relates to an ophthalmic device including an electrically controllable amplitude variation cell, in particular an electrochromic transmission variation cell. More particularly, the cell (3) comprises a main convex surface on the front. This arrangement makes it possible for the cell to process a lateral luminous flux (RP), unlike cells in the prior art (1AA).

Abstract: The invention relates to an ophthalmic device (1) which includes an electrochromic cell (3) comprising at least two transparent layers (4, 5) having curved inner surfaces (4a, 5a) and defining therebetween a closed recess (6) filled with an electrochromic composition (7), the recess (6) being defined peripherally by a sealing gasket (11) made from an adhesive material (20), the sealing gasket (11) being suitable for keeping the two transparent layers (4, 5) assembled together.

Abstract: The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.