Patents Assigned to SUMATION CO. LIMITED
  • Light-emitting Device and Materials Therefor
    Publication number: 20100276674
    Abstract: An organic light-emitting device comprising an anode; a hole transport layer; a light-emitting layer; and a cathode, characterised in that the hole transport layer comprises a polymer having a repeat unit comprising a 9,9 biphenyl fluorene unit wherein the 9-phenyl rings are independently and optionally substituted and the fluorene unit is optionally fused.
    Type: Application
    Filed: November 18, 2008
    Publication date: November 4, 2010
    Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, SUMATION CO., LIMITED
    Inventors: Natasha M. Conway, Mary J. McKiernan, Brian Tierney
  • Light Emissive Device
    Publication number: 20100096978
    Abstract: A composition for use in an organic light emissive device, the composition comprising a fluorescent organic light emissive material and a phosphorescent organic light emissive material of the same colour.
    Type: Application
    Filed: October 3, 2007
    Publication date: April 22, 2010
    Applicants: CDT Oxford Limited, Sumation Co. Limited
    Inventor: Richard Wilson
  • Compounds for use in Opto-Electrical Devices
    Publication number: 20100013377
    Abstract: A composition for use in fabricating opto-electrical devices comprising a solution processable triazine host material and a phosphorescent moiety.
    Type: Application
    Filed: August 30, 2007
    Publication date: January 21, 2010
    Applicants: CDT OXFORD LIMITED, SUMATION CO. LIMITED
    Inventors: Nigel Male, Jonathan Pillwo
  • High Bandgap Arylene Polymers
    Publication number: 20090036622
    Abstract: Luminescent polymers having sterically twisted arylene repeat units are provided, which are particularly suited as electroluminescent polymers. Monomers necessary for the synthesis of the sterically twisted polyarylene are provided, as are electroluminescent device utilizing these polymers.
    Type: Application
    Filed: February 22, 2006
    Publication date: February 5, 2009
    Applicant: SUMATION CO. LIMITED
    Inventors: Matthew L. Marrocco, Virgil J. Lee, Farshad J. Motamedi