Patents by Inventor Delphine Passard

Delphine Passard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10288905
    Abstract: The present invention relates to a transparent ophthalmic lens comprising a substrate having a main front face and a main rear face, said main front face being coated with a multilayer interference coating, preferably an anti-reflection coating, comprising a stack of at least one layer have a refractive index greater than 1.6 and at least one layer having a refractive index less than 1.55, characterized in that: the mean reflection factor on said main front face coated with said interference coating, between 350 nm and a wavelength between 380 and 400 nm, preferably between 350 and 380 nm, weighted by the function W(I), is greater than or equal to 35% for at least one angle of incidence between 0° and 17°; the light reflection factor at 400 nm on said main front face coated with said interference coating is less than or equal to 35% for at least one angle of incidence between 0° and 17°.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: May 14, 2019
    Assignee: ESSILOR INTERNATIONAL
    Inventors: Delphine Passard, Nicolas Maitre
  • Patent number: 10048515
    Abstract: The ophthalmic lens includes a substrate, the substrate having a rear face and a front face, and at least one external interferential coating, the at least one interferential coating being such that it enables to selectively reflect light arriving on the rear face with a local maximum of reflection of at least 10% for a wavelength within the range between 450 nm and 490 nm.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: August 14, 2018
    Assignee: ESSILOR INTERNATIONAL
    Inventors: Nicolas Maitre, Delphine Passard, Melanie Tessieres
  • Publication number: 20170351119
    Abstract: The present invention relates to a transparent ophthalmic lens comprising a substrate having a main front face and a main rear face, said main front face being coated with a multilayer interference coating, preferably an anti-reflection coating, comprising a stack of at least one layer have a refractive index greater than 1.6 and at least one layer having a refractive index less than 1.55, characterised in that: the mean reflection factor on said main front face coated with said interference coating, between 350 nm and a wavelength between 380 and 400 nm, preferably between 350 and 380 nm, weighted by the function W(I), is greater than or equal to 35% for at least one angle of incidence between 0° and 17°; the light reflection factor at 400 nm on said main front face coated with said interference coating is less than or equal to 35% for at least one angle of incidence between 0° and 17°.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 7, 2017
    Inventors: Delphine PASSARD, Nicolas MAITRE
  • Publication number: 20160187673
    Abstract: The ophthalmic lens includes a substrate, the substrate having a rear face and a front face, and at least one external interferential coating, the at least one interferential coating being such that it enables to selectively reflect light arriving on the rear face with a local maximum of reflection of at least 10% for a wavelength within the range between 450 nm and 490 nm.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 30, 2016
    Inventors: Nicolas MAITRE, Delphine PASSARD, Melanie TESSIERES
  • Patent number: 8591026
    Abstract: This invention relates to an optical article having antistatic and antireflection or reflective properties, comprising a substrate having at least one main surface coated with an antireflection or reflective coating, said coating comprising at least one electrically conductive layer comprising at least 30% tin oxide (SnO2) by weight relative to the total weight of the electrically conductive layer, said electrically conductive layer having been deposited by ion-assisted deposition, and said substrate having a water uptake rate equal to or greater than 0.6% by weight relative to the total weight of said substrate, the water uptake rate being measured after predrying said substrate and then storing it for 800 hours in a chamber at 50° C. under 100% relative humidity and at atmospheric pressure.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: November 26, 2013
    Assignee: Essilor International (Compagnie Generale d'Optique)
    Inventors: Dominique Conte, Delphine Passard, Karin Scherer, Jean-Louis Sirjean
  • Publication number: 20120013845
    Abstract: This invention relates to an optical article having antistatic and antireflection or reflective properties, comprising a substrate having at least one main surface coated with an antireflection or reflective coating, said coating comprising at least one electrically conductive layer comprising at least 30% tin oxide (SnO2) by weight relative to the total weight of the electrically conductive layer, said electrically conductive layer having been deposited by ion-assisted deposition, and said substrate having a water uptake rate equal to or greater than 0.6% by weight relative to the total weight of said substrate, the water uptake rate being measured after predrying said substrate and then storing it for 800 hours in a chamber at 50° C. under 100% relative humidity and at atmospheric pressure.
    Type: Application
    Filed: March 26, 2010
    Publication date: January 19, 2012
    Applicant: Essilor International (Compagnie Generale d'Optiqu
    Inventors: Dominique Conte, Delphine Passard, Karin Scherer, Jean-Louis Sirjean