Patents by Inventor Jung-II Kong

Jung-II Kong 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).

  • Ink compositions, methods of preparing ink compositions and display panels including ink compositions
    Patent number: 8786936
    Abstract: Core-shell coated pigment particles are prepared by core-shell coating using pigment particles, at least one hydrophilic organometallic compound, at least one hydrophobic organometallic compound, distilled water and a solvent. Ink particles coated with an ionized organometallic compound are prepared by using the core-shell coated pigment particles, the solvent and a halogen compound. The ink particles, a dispersing agent and a dielectric liquid are mixed to prepare an ink composition. The ink composition has an electrophoresis property to exhibit an electric movement and has a good dispersibility in a dielectric liquid. The ink composition may be applied in a reflective type color display device.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: July 22, 2014
    Assignee: Noroo Holdings Co., Ltd.
    Inventors: Jung-II Kong, Jung-Sok Noh, Hoon Cheong, Deok-Min Park, Hee-Jong Kim, Jin-Hwan Jung, Cheol-Woo Kim