314 patents
Page 2 of 16
Utility
Polymer composition and methods using said polymer composition to manufacture ophthalmic lens
12 Sep 23
Robert Valeri, John Biteau
Filed: 8 Oct 20
Utility
Durable electrochromic device including tungsten oxide film prepared in high ion bombardment and low pressure deposition environment, and/or methods of making the same
12 Sep 23
Certain example embodiments of this invention relate to electrochromic devices (100, 1500), assemblies incorporating electrochromic devices, and methods of making the same.
Francis Blanchard, Bill Baloukas, Ludvik Martinu
Filed: 8 Sep 17
Utility
Device and method for forming a functional film intended to be laminated on an optical article
5 Sep 23
A film structure including at least a functional film, a carrier layer, and a counter-force liner, the functional film being in between the carrier layer and the counter-force liner.
Youval Katzman, Marc Peter, Christelle Marck, Jeanne Marchal
Filed: 28 Jun 19
Utility
Apparatus, method, and computer-readable storage medium for expanding an image database for evaluation of eyewear compatibility
5 Sep 23
The present disclosure relates to a method for expanding an image database for evaluation of eyewear compatibility.
Pascal Allione, Thierry Bonnin
Filed: 11 Dec 20
Utility
Process for manufacturing light absorbing polymer matrix
15 Aug 23
An ophthalmic lens comprising a transparent polymer matrix and core shell nanoparticles which are dispersed in the transparent polymer matrix, wherein the core of core shell nanoparticles results from polymerization of a composition comprising nanoparticle core precursors and at least one photochromic compound, and the shell of core shell nanoparticles comprises a mineral compound.
John Biteau, Ronald Berzon, Pierre Fromentin
Filed: 19 Dec 18
Utility
Molds having cooling behind insert technology and related methods
8 Aug 23
This disclosure includes injection molds for reducing cycle times and related methods.
Tareq Haque, Gary Clark, David Rys
Filed: 1 Mar 19
Utility
Item having improved thermomechanical properties, comprising an organic-inorganic layer
25 Jul 23
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
Method for detecting a defect in a zone of interest of an optical lens
25 Jul 23
Method for detecting a defect in a zone of interest of an optical lens, the method including: an image reception step, during which a plurality of images is received, each image includes a view of the zone of interest in front of a plurality of specific patterns, each specific pattern including a bright area and a dark area, and at least one image received is saturated in light intensity; a sampling step, during which each image of the plurality of images are sampled based on a common sampling pattern; a recombination step, during which a recombined image of the zone of interest is determined based on the common sampling pattern; and a defect detection step, during which a defect is detected in the zone of interest of the optical lens based on an analysis of the recombined image.
Cédric Lemaire
Filed: 21 Jun 19
Utility
Heat curable epoxy compositions and transparent heat-cured coatings with durable adhesion prepared therefrom
25 Jul 23
The present disclosure provides heat-curable coating compositions for optical articles.
Haipeng Zheng, Christopher Thai
Filed: 3 Oct 19
Utility
Method for injection molding weld line free minus power lens elements
11 Jul 23
A method for injection molding of a weld line free minus power lens element comprises injecting a melt of thermoplastic material at a temperature higher than a glass transition temperature (Tg) of the thermoplastic material in an initial molding cavity delimited by two facing mold inserts, wherein the melt of thermoplastic material comprises at least one UV absorber.
Hao-Wen Chiu, Shannon Loiselle, Shawn Mcdermott
Filed: 26 Jan 18
Utility
Apparatus and method for measuring subjective ocular refraction with high-resolution spherical and/or cylindrical optical power
30 May 23
Disclosed is an apparatus for measuring subjective ocular refraction including a display device configured to display a least one optotype and a refractive optical system arranged between an eye of a viewer and the display device, the refractive optical system having an optical power that can be varied according to a determined minimum step.
Gildas Marin, Philippe Pinault
Filed: 23 Oct 17
Utility
Lens holding block and method for blocking, unblocking an optical lens component
30 May 23
Disclosed is a lens holding block for positioning and retaining a lens substrate in a processing machine, including a bottom part that is able to immobilize the lens holding block in the processing machine and an upper part.
Michael Mauderer, Holger Schaefer, Herger Alt
Filed: 22 Mar 19
Utility
Method for manufacturing an optical article
23 May 23
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.
Mathieu Meynen, Ludovic Jouard, Marc Reignault, Sira Uhalte Nogues
Filed: 26 Apr 18
Utility
Method for injection molding plus power lens elements
23 May 23
A method for injection molding of a plus power lens element comprises injecting a melt of thermoplastic material comprising at least one UV absorber at a temperature higher than a glass transition temperature (Tg) of the thermoplastic material in an initial molding cavity delimited by two facing mold inserts.
Hao-Wen Chiu, David Bracero, Shawn McDermott
Filed: 26 Jan 18
Utility
Eyewear frame, an eyewear, and a method of adjusting an eyewear frame
23 May 23
An eyewear frame having at least one frame component including a stimuli-responsive polymer is provided.
Muriel Godeau, Mathieu Feuillade, Pauline Colas, Anna Yeo, Yee Ling Wong
Filed: 19 Feb 19
Utility
Methods for preparing functional optical films
16 May 23
The disclosure provides post-production methods for functionalization of optical quality films produced by top tier manufactures.
Zbigniew Tokarski
Filed: 25 Jun 18
Utility
Optical systems, spectacle lens and eyewear including the same
16 May 23
An illumination system adapted for an eyewear that includes a light source configured to emit a first light including a power spectrum having full width at half maximum of less than 100 nm in a first range of wavelengths and a second light including a power spectrum having full width at half maximum of less than 100 nm in a second range of wavelengths, the power spectrum of the first light and the power spectrum of the second light differ from each other, and the light source is further configured to emit pulses of light with a pre-determined time function.
Daniel Spiegel
Filed: 19 Jul 19
Utility
Ophthalmic tinted lens
9 May 23
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: 11 Feb 19
Utility
Methods and systems for determining a refraction of at least an eye of a person
2 May 23
Method for determining a refraction of at least an eye of a person under specific spectral conditions, the method including: an eye illumination step, during which the eye of the person is illuminated under the specific spectral conditions, the specific spectral conditions being provided by a polychromatic source having a spectrum which is different from the spectrum of a white light source and/or by a chromatic filter positioned before the eye of the person and illuminated by a source; and a refraction determination step during which the refraction of the eye of the person is determined under the specific spectral conditions.
Marie Dubail, Anne-Catherine Scherlen
Filed: 4 Dec 18
Utility
Method for manufacturing a three-dimensional article by an additive manufacturing technology
2 May 23
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.
Ludovic Jouard, Loïc Baillon
Filed: 9 May 18