Patents by Inventor Leigh Beckett Richardson

Leigh Beckett Richardson 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).

  • Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronic devices
    Patent number: 7300703
    Abstract: The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins at 230° C. of less than 1%; and a composite film comprising such a substrate layer and on a surface thereof a barrier layer.
    Type: Grant
    Filed: August 14, 2006
    Date of Patent: November 27, 2007
    Assignee: Dupont Teijin Films U.S. Limited Partnership
    Inventors: William Alasdair MacDonald, Leigh Beckett Richardson
  • Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronics devices
    Patent number: 7101627
    Abstract: The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins at 230° C. of less than 1%; and a composite film comprising such a substrate layer and on a surface thereof a barrier layer.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: September 5, 2006
    Assignee: DuPont Teijin Films U.S. Limited Partnership
    Inventors: William Alasdair MacDonald, Leigh Beckett Richardson
  • Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronics devices
    Publication number: 20040247916
    Abstract: The use of a heat-stabilised, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins at 230° C. of less than 1%; and a composite film comprising such a substrate layer and on a surface thereof a barrier layer.
    Type: Application
    Filed: March 25, 2004
    Publication date: December 9, 2004
    Inventors: William Alasdair MacDonald, Leigh Beckett Richardson