Patents by Inventor Paul Lahti

Paul Lahti 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).

  • Organic electroluminescent materials and devices
    Patent number: 11716898
    Abstract: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: August 1, 2023
    Assignee: Universal Display Corporation
    Inventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis
  • Organic Electroluminescent Materials and Devices
    Publication number: 20200295276
    Abstract: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 17, 2020
    Inventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis
  • Organic electroluminescent materials and devices
    Patent number: 10707427
    Abstract: This invention relates to the development of heterocyclic materials for use in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: July 7, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis
  • Organic Electroluminescent Materials and Devices
    Publication number: 20170237018
    Abstract: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.
    Type: Application
    Filed: February 8, 2017
    Publication date: August 17, 2017
    Inventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis