Patents Examined by Wiliiam Choi
  • Electrophoretic medium and process for the production thereof
    Patent number: 7079305
    Abstract: A two-phase electrophoretic medium comprises a continuous phase and a discontinuous phase. The discontinuous phase comprises a plurality of droplets, each of which comprises a suspending fluid and at least one particle disposed within the suspending fluid and capable of moving through the fluid upon application of an electric field to the electrophoretic medium. The continuous phase surrounds and encapsulates the discontinuous phase. The discontinuous phase comprises at least about 40 percent by volume of the electrophoretic medium.
    Type: Grant
    Filed: February 2, 2005
    Date of Patent: July 18, 2006
    Assignee: E Ink Corporation
    Inventors: Richard J. Paolini, Jr., David D. Miller, Barrett Comiskey