ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

原文（中文）

A compound that includes a ligand Lof Formula I, the ligand Lcoordinated to a metal M wherein Xto Xare each independently selected from CRor N; A R, R, and Rindependently represent mono to the maximum possible substitution, or no substitution;A BC wherein at least one of R, R, or Ris selected from the group consisting ofA B C wherein X, X, X, and Xare independently selected from CRor N, and two of X, X, X, or Xare N; D with the proviso that Rand R, and Rand R, do not join to form a fused benzene ring; and wherein the metal M is selected from the group consisting of Ir, Rh, Re, Ru, Os, Pt, Au, Ag, and Cu, and ligand Lis optionally linked to another ligand to form a tridentate, tetradentate, pentadentate, or hexadentate ligand. A compound of Formula VI. The invention is also directed to an OLED that includes an organic layer that comprises a compound of Formula I or Formula VI, and a consumer product that includes the described OLED. A