Patents by Inventor Marina Lavrentovich

Marina Lavrentovich 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).

  • Viewing angle for liquid crystal display system and method
    Patent number: 6995823
    Abstract: A display system is disclosed. The display system includes a light source and a display element illuminated by the light source. The display system also includes a first liquid crystal polymer compensation film layer that is disposed adjacent to the first side of the display element. The display also includes a second liquid crystal polymer compensation film layer disposed adjacent a second side of the display element. Further, the display system includes a third liquid crystal polymer compensation film layer that is disposed adjacent the second liquid crystal polymer compensation film layer.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: February 7, 2006
    Assignee: Rockwell Collins, Inc.
    Inventors: Jack Kelly, Marina Lavrentovich, Shu Li
  • Elliptically polarizing plate and liquid crystal display
    Patent number: 6839103
    Abstract: An elliptically polarizing plate, comprising a polarizer, a first optical anisotropic layer having positive refractive index anisotropy and an optical axis of the anisotropy that is tilted, and a second optical anisotropic layer having negative refractive index anisotropy and an optical axis that is tilted, have accurate retardation compensation of a liquid crystal cell, and the liquid crystal display maintains a display contrast having a sufficient visibility when the viewing angle is changed and which does not generate colorization.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: January 4, 2005
    Assignee: Kent State University
    Inventors: Jack Kelly, Tatiana Sergan, Marina Lavrentovich, Yuuichi Nishikouji, Tadayuki Kameyama
  • Elliptically polarizing plate and liquid crystal display
    Publication number: 20030164920
    Abstract: An elliptically polarizing plate, comprising a polarizer, a first optical anisotropic layer having positive refractive index anisotropy and an optical axis of the anisotropy that is tilted, and a second optical anisotropic layer having negative refractive index anisotropy and an optical axis that is tilted, have accurate retardation compensation of a liquid crystal cell, and the liquid crystal display maintains a display contrast having a sufficient visibility when the viewing angle is changed and which does not generate colorization.
    Type: Application
    Filed: February 28, 2002
    Publication date: September 4, 2003
    Inventors: Jack Kelly, Tatiana Sergan, Marina Lavrentovich, Yuuichi Nishikouji, Tadayuki Kameyama