Patents by Inventor Liubov Kreminska

Liubov Kreminska 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).

  • Electronically-controllable polarization independent liquid crystal optical medium and devices using same
    Patent number: 8570460
    Abstract: A liquid crystalline optical medium includes polymer stabilized liquid crystal material. The polymer stabilized liquid crystal material includes a short pitch cholesteric liquid crystal material stabilized by a polymer material. The effective phase retardation of the polarization independent liquid crystal optical medium can be controlled by external (for example, electric and magnetic) fields.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: October 29, 2013
    Assignee: Kent State University
    Inventors: Mingxia Gu, Liubov Kreminska, Andrii Golovin, Oleg D. Lavrentovich
  • Electronically-controllable polarization independent liquid crystal optical medium and devices using same
    Publication number: 20070139586
    Abstract: A liquid crystalline optical medium includes polymer stabilized liquid crystal material. The polymer stabilized liquid crystal material includes a short pitch cholesteric liquid crystal material stabilized by a polymer material. The effective phase retardation of the polarization independent liquid crystal optical medium can be controlled by external (for example, electric and magnetic) fields.
    Type: Application
    Filed: December 19, 2006
    Publication date: June 21, 2007
    Inventors: Mingxia Gu, Liubov Kreminska, Andrii Golovin, Oleg Lavrentovich