Patents by Inventor Mao-Jin Chern

Mao-Jin Chern 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).

  • Liquid crystal display and photopolymerizable sealant therefor
    Patent number: 4297401
    Abstract: A method of making a liquid crystal display cell wherein the planar glass plates of the cell are bonded together with a photopolymerizable epoxy-containing material to form a hermetically sealed cell and wherein the photocured seal is chemically resistant to the contents of the liquid crystals cell. Adhesion of the photopolymerizable epoxy material to the glass plates of the liquid crystal cell is improved by addition of glycidoxypropyl triethoxy silane or its precondensate.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: October 27, 1981
    Assignee: Minnesota Mining & Manufacturing Company
    Inventors: Mao-Jin Chern, Robert D. Lowrey
  • Liquid crystal display system
    Patent number: 4236150
    Abstract: A liquid crystal display system having improved response time. The display system employs a refresh signal having a frequency which is controlled as a function of temperature to provide optimum decay time.
    Type: Grant
    Filed: October 18, 1978
    Date of Patent: November 25, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Mao-Jin Chern