Patents by Inventor William CASTELLON-RIVERA

William CASTELLON-RIVERA 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).

  • Method for producing an aperture array for a microlens array
    Patent number: 11762128
    Abstract: A method for producing an aperture array for a microlens array, in particular for a microlens array of a vehicle headlamp, comprising at least the following steps: providing a wafer having a microlens array arranged on a first wafer surface, masking a second wafer surface of the wafer by means of a shadow mask, wherein the shadow mask includes a negative of the aperture array, coating the masked wafer surface with an opaque layer, removing the shadow mask and obtaining the aperture array on the second wafer surface.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: September 19, 2023
    Assignee: Hella GmbH & Co. KGaA
    Inventors: William Castellon Rivera, Benjamin Willeke
  • METHOD FOR PRODUCING AN APERTURE ARRAY FOR A MICROLENS ARRAY
    Publication number: 20220075099
    Abstract: A method for producing an aperture array for a microlens array, in particular for a microlens array of a vehicle headlamp, comprising at least the following steps: providing a wafer having a microlens array arranged on a first wafer surface, masking a second wafer surface of the wafer by means of a shadow mask, wherein the shadow mask includes a negative of the aperture array, coating the masked wafer surface with an opaque layer, removing the shadow mask and obtaining the aperture array on the second wafer surface.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Applicant: Hella GmbH & Co. KGaA
    Inventors: William CASTELLON-RIVERA, Benjamin WILLEKE