Patents Assigned to Cambridge Display Technolog Limited
  • Patent number: 6403809
    Abstract: The present invention provides a compound or complex comprising at least two moieties, each moiety being comprised of two or more thiophenes fused directly to each other. Also provided is a method for the production of the compounds of the present invention, which method comprises the coupling of one fused thiophene derivative to another fused thiophene derivative.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: June 11, 2002
    Assignee: Cambridge Display Technolog Limited
    Inventors: Andrew Bruce Holmes, Stephen Carl Moratti, Xiao-Chang Li, Henning Sirringhaus, Arno Kraft, Michael Mark Murray