Patents by Inventor Martin Guy Salt

Martin Guy Salt 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).

  • Light emitting diode with improved efficiency
    Patent number: 6967437
    Abstract: An LED, and in particular an LED employing emissive semi-conductors such as conjugated polymeric materials, consists of a pair of electrodes, one or more intermediate semi-conductor layers arranged therebetween and optionally one or more futher layers, and incorporates a microstructured feature adapted to manipulate spontaneous emission or propagation of light. The invention also consists of a method for the production of such an LED and the use of such a LED as an light emitting display.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: November 22, 2005
    Assignees: University of Durham, University of Exeter
    Inventors: Ifor David William Samuel, John Mark Lupton, Benjamin James Matterson, William Leslie Barnes, Martin Guy Salt