METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f ]PHENANTHRIDINE AND DIIMIDAZO[1,2-a:1',2'-c ]QUNIAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF
First Claim
1. A compound comprising a phosphorescent metal complex comprising a monoanionic, bidentate ligand selected from the group below, wherein the metal is selected from the group consisting of the non-radioactive metals with atomic numbers greater than 40, and wherein the bidentate ligand may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand;
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Abstract
Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.
43 Citations
20 Claims
- 1. A compound comprising a phosphorescent metal complex comprising a monoanionic, bidentate ligand selected from the group below, wherein the metal is selected from the group consisting of the non-radioactive metals with atomic numbers greater than 40, and wherein the bidentate ligand may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand;
- 12. A compound comprising a phosphorescent metal complex comprising a monoanionic, bidentate ligand selected from the group below, wherein the metal is selected from the group consisting of the non-radioactive metals with atomic numbers greater than 40, and wherein the bidentate ligand comprises a carbene donor and may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand:
- 15. A compound comprising a phosphorescent metal complex comprising a monoanionic, bidentate ligand selected from the group below, wherein the metal is selected from the group consisting of the non-radioactive metals with atomic numbers greater than 40, and wherein the bidentate ligand comprises a carbene donor and may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand:
- 18. A compound comprising a phosphorescent metal complex comprising a monoanionic, bidentate ligand selected from the group below, wherein the metal is selected from the group consisting of the non-radioactive metals with atomic numbers greater than 40, and wherein the bidentate ligand may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand:
Specification