Patents by Inventor SIEBE TIJERK DE ZWART

SIEBE TIJERK DE ZWART 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).

  • Optical arrangement, lighting device and illumination method
    Patent number: 10533726
    Abstract: An optical arrangement comprises two plates, with complementary shaped lens arrays. A decorative image is provided at the plate on the light input side. The plates are displaceable with respect to each other between a pass through mode with the plates in contact or close proximity, and a decorative image mode with the plates apart.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 14, 2020
    Assignee: Signify Holding B.V.
    Inventors: Siebe Tijerk De Zwart, Jan De Graaf, Michel Cornelis Josephus Marie Vissenberg
  • OPTICAL ARRANGEMENT, LIGHTING DEVICE AND ILLUMINATION METHOD
    Publication number: 20170153004
    Abstract: An optical arrangement comprises two plates, with complementary shaped lens arrays. A decorative image is provided at the plate on the light input side. The plates are displaceable with respect to each other between a pass through mode with the plates in contact or close proximity, and a decorative image mode with the plates apart.
    Type: Application
    Filed: June 23, 2015
    Publication date: June 1, 2017
    Applicant: Philips Lighting Holding B.V.
    Inventors: SIEBE TIJERK DE ZWART, JAN DE GRAAF, MICHEL CORNELIS JOSEPHUS MARIE VISSENBERG