Patents by Inventor Yong-Bai Kim

Yong-Bai Kim 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).

  • Nematic liquid crystal compound, and liquid crystal composition having high speed and high temperature comprising the same
    Publication number: 20060177604
    Abstract: The present invention relates to a nematic liquid crystal compound and a liquid crystal composition exhibiting a fast response time over a wide temperature range comprising the same, and more particularly, to a liquid crystal composition with fast response characteristics, and having a high phase transition temperature of liquid crystal, and having a low driving voltage and a nematic phase in a wide temperature range, comprising a nematic liquid crystal compound having an isothionate group and at least one fluorine atom in an aromatic ring of a terminal group.
    Type: Application
    Filed: April 7, 2006
    Publication date: August 10, 2006
    Inventors: Byeong-Seob Ban, Yong-Kuk Yun, Bong-Sung Seo, Bong-Hee Kim, Dong-Sik Sakong, Yong-Bai Kim
  • Nematic liquid crystal compound, and liquid crystal composition having high speed and high temperature comprising the same
    Publication number: 20050062018
    Abstract: The present invention relates to a nematic liquid crystal compound and a liquid crystal composition exhibiting a fast response time over a wide temperature range comprising the same, and more particularly, to a liquid crystal composition with fast response characteristics, and having a high phase transition temperature of liquid crystal, and having a low driving voltage and a nematic phase in a wide temperature range, comprising a nematic liquid crystal compound having an isothionate group and at least one fluorine atom in an aromatic ring of a terminal group.
    Type: Application
    Filed: April 25, 2002
    Publication date: March 24, 2005
    Inventors: Byeong-Seob Ban, Yong-Kuk Yun, Bong-Sung Seo, Bong-Hee Kim, Dong-Sik Sakong, Yong-Bai Kim