Patents by Inventor Liu Ouyang

Liu Ouyang 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).

  • Spectacle lens with antibacterial and/or antiviral properties and method for manufacturing the same
    Patent number: 11940596
    Abstract: A spectacle lens has on at least one surface thereof at least two coatings modified to exhibit an antibacterial effect and/or an antiviral effect. A method of making such a spectacle lens includes dispersing at least one biocidal component in a solvent and/or dissolving at least one biocidal component in a solvent, the dispersed at least one biocidal component and the dissolved at least one biocidal component being different from each other.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: March 26, 2024
    Assignees: Carl Zeiss Vision International GmbH, Carl Zeiss Vision (China) Ltd.
    Inventors: Emad Flear Aziz, Liu Ouyang, Marc Wawerla, Haiming You
  • Photochromic lens with laminated film, method for producing a photochromic lens, and a spectacle frame
    Patent number: 11754860
    Abstract: An optical lens contains a laminated film, which includes a first adhesive layer, a first barrier layer, a photochromic layer, a second barrier layer, and a second adhesive layer. The layers are arranged in succession and the laminated film is substantially incorporated into the optical lens body. A method for producing this optical lens as well as a pair of spectacles containing this optical lens are also disclosed.
    Type: Grant
    Filed: December 21, 2019
    Date of Patent: September 12, 2023
    Assignee: Carl Zeiss Vision International GmbH
    Inventors: Jingye Liang, Liu Ouyang, Stephen Brown, Yong Tian
  • SPECTACLE LENS WITH ANTIBACTERIAL AND/OR ANTIVIRAL PROPERTIES AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20230280504
    Abstract: A spectacle lens having at least one antibacterial and/or antiviral coating and a method for manufacturing the same are disclosed. The spectacle lens includes (i) an anti-reflective coating or (ii) a mirror coating. The (i) anti-reflective coating or the (ii) mirror coating are made from a stack or a plurality of stack layers. The stack has an outermost stack layer containing silver (Ag). The outermost stack layer further contains a SiO2-matrix having a plurality of separated silver (Ag) atoms and/or a plurality of silver (Ag) clusters. Each of the silver (Ag) clusters has a maximum expansion of less than 20 nm.
    Type: Application
    Filed: May 12, 2023
    Publication date: September 7, 2023
    Inventors: Emad Flear Aziz, Liu Ouyang, Bernhard von Blanckenhagen
  • SPECTACLE LENS WITH ANTIBACTERIAL AND/OR ANTIVIRAL PROPERTIES AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20230161081
    Abstract: A spectacle lens has on at least one surface thereof at least two coatings modified to exhibit an antibacterial effect and/or an antiviral effect. A method of making such a spectacle lens includes dispersing at least one biocidal component in a solvent and/or dissolving at least one biocidal component in a solvent, the dispersed at least one biocidal component and the dissolved at least one biocidal component being different from each other.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 25, 2023
    Inventors: Emad Flear Aziz, Liu Ouyang, Marc Wawerla, Haiming You
  • PHOTOCHROMIC LENS WITH LAMINATED FILM, METHOD FOR PRODUCING A PHOTOCHROMIC LENS, AND A SPECTACLE FRAME
    Publication number: 20200201079
    Abstract: An optical lens contains a laminated film, which includes a first adhesive layer, a first barrier layer, a photochromic layer, a second barrier layer, and a second adhesive layer. The layers are arranged in succession and the laminated film is substantially incorporated into the optical lens body. A method for producing this optical lens as well as a pair of spectacles containing this optical lens are also disclosed.
    Type: Application
    Filed: December 21, 2019
    Publication date: June 25, 2020
    Inventors: Jingye Liang, Liu Ouyang, Stephen Brown, Yong Tian