abstract |
The present invention relates to novel platinum (II) complexes having a bidentate monoanionic phosphite ligand and a monoanionic bidentate N, N ligand or N, O ligand of the general formula (I) as triplet emitters for use in organic light emitting diodes (OLEDs), a process for the preparation of platinum (II) complexes and the use of platinum (II) complexes as emitters in OLEDs. |