Publication number: 20210380617
Abstract: A compound comprising a ligand LA of Formula I, is disclosed. In Formula I, each of Z1, Z2, Z3, Z4, Z5, and Z6 is C or N; K is selected from a direct bond, O, and S; if K is O or S, then Z6 is C; ligand LA is coordinated to a metal by the dash lines; M is coordinated to at least one other ligand; L1 is an organic linker; if M is selected from Ru, Os, or Ir, then K is O or S; if M is selected from Pt, Pd, Cu, Ag, or Au, and K is a direct bond, then M forms at least one bond to oxygen or sulfur; when M is selected from Pt, Pd, Cu, Ag, or Au, and K is O or S, then L1 is selected from —CR?N—, —CR?R?CR?R?—, —NR?BR?—, —CR?R?O—, —CR?R?S—, —CR??CR?O—, —CR??CR?S—, —CR??CR?NR—, —CR??CR?CR2—, —C(?N—)—, and —C(?CR—)—.
Type:
Application
Filed:
May 11, 2021
Publication date:
December 9, 2021
Applicant:
UNIVERSAL DISPLAY CORPORATION
Inventors:
Alexey Borisovich DYATKIN, Geza SZIGETHY, Jui-YI TSAI, Pierre-Luc T. BOUDREAULT, Joseph A. MACOR, Neil PALMER