Patents by Inventor Naamah Friedmann

Naamah Friedmann 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).

  • Publication number: 20140126051
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 8, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140126056
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 8, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140126057
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 8, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140126175
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 8, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140126052
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 8, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140118837
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 1, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140118813
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 1, 2014
    Applicant: Lumus Ltd
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20140118836
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: January 7, 2014
    Publication date: May 1, 2014
    Applicant: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Patent number: 8643948
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: February 4, 2014
    Assignee: Lumus Ltd.
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann
  • Publication number: 20100202048
    Abstract: There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided.
    Type: Application
    Filed: April 17, 2008
    Publication date: August 12, 2010
    Inventors: Yaakov Amitai, Mali Hadad, Naamah Friedmann