Patents Assigned to Oled-T Limited
  • Buffer Layer
    Publication number: 20080199727
    Abstract: Electroluminescent devices with an improved buffer layer on the anode, wherein the buffer material is selected from metal tetra-p-tolyl porphonato complexes, and bianthryl compounds of Formula (I) or (II).
    Type: Application
    Filed: November 1, 2005
    Publication date: August 21, 2008
    Applicant: OLED-T LIMITED
    Inventors: Poopathy Kathirgamanathan, Subramaniam Ganeshamurugan, Muttulingam Kumaraverl, Arumugam Partheepan, Gnanamoly Paramaswara
  • Electroluminescent Complexes
    Publication number: 20080124569
    Abstract: An electroluminescent material is a complex of boron and a beta diketone.
    Type: Application
    Filed: November 4, 2005
    Publication date: May 29, 2008
    Applicant: OLED-T LIMITED
    Inventors: Poopathy Kathirgamanathan, Sivagnanasundram Surendrakumar
  • Electroluminescent devices
    Patent number: 7354661
    Abstract: An electroluminescent device has, as the electroluminescent layer, a metal compound selected from organic complexes of non rare earth metals.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: April 8, 2008
    Assignee: OLED-T Limited
    Inventor: Poopathy Kathirgamanathan
  • Electroluminescent device
    Patent number: 7303824
    Abstract: An electroluminescent device which has an electroluminescent layer formed of a binuclear, trinuclear or polynuclear rare earth organic complex in which the metals are linked through a bridging ligand.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: December 4, 2007
    Assignee: OLED-T Limited
    Inventors: Poopathy Kathirgamanathan, Lisa Marie Bushby, Richard David Price
  • Electroluminescent devices incorporating mixed metal organic complexes
    Patent number: 7235311
    Abstract: An electroluminescent device in which there is an electroluminescent which comprises a complex of general formula (L?)nM1M2 or of general formula (L?)n M1M2 (Lp), where Lp is a neutral ligand and where M1 is a rare earth, transition metal, lanthamide or an actimide, M2 is a non rare earth metal, L?is an organic complex and n is the combined valence state of M1 and M2.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: June 26, 2007
    Assignee: Oled-T Limited
    Inventors: Poopathy Kathirgamanathan, Seenivasagam Ravichandran, Sivagnasundram Surendrakumar
  • Electroluminescent materials and devices
    Patent number: 7211334
    Abstract: An electroluminescent material is a metal complex, preferably aluminium, of a substituted pyrazol-5-one.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: May 1, 2007
    Assignee: Oled-T Limited
    Inventors: Poopathy Kathirgamanathan, Subramaniam Ganeshamurugan, Sivagnanasundram Surendrakumar