Patents by Inventor I.-E. Sophie BLATTMANN

I.-E. Sophie BLATTMANN 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).

  • Photoalignment composition for the stabilization of the pre-tilt angle in liquid crystal layers
    Patent number: 11561440
    Abstract: The present invention relates to a photoalignment composition for the alignment of liquid crystals and the stabilization of the pre-tilt angle in liquid crystal layers. Further the present invention relates to the liquid crystal alignment film and coating layer prepared from the said composition and the use to fabricate optical and electrooptical elements and devices.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: January 24, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Jean-Francois Eckert, I. -E. Sophie Blattmann, Yuichiro Yamada, Masato Hoshino, Qian Tang
  • NEW PHOTOALIGNMENT COMPOSITION FOR THE STABILIZATION OF THE PRE-TILT ANGLE IN LIQUID CRYSTAL LAYERS
    Publication number: 20200073181
    Abstract: The present invention relates to a photoalignment composition for the alignment of liquid crystals and the stabilization of the pre-tilt angle in liquid crystal layers. Further the present invention relates to the liquid crystal alignment film and coating layer prepared from the said composition and the use to fabricate optical and electrooptical elements and devices.
    Type: Application
    Filed: February 27, 2018
    Publication date: March 5, 2020
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Jean-Francois ECKERT, I.-E. Sophie BLATTMANN, Yuichiro YAMADA, Masato HOSHINO, Qian TANG