Organic electroluminescent materials and devices

摘要

Heteroleptic complexes having at least one diarylamino or carbazole group, as shown in Formula (I), are provided:;wherein R1, R2, R3, R4, R5, and R6 each represent mono, di, tri, tetra, or penta substitutions or no substitution; wherein Z is a single bond connecting the two phenyl rings, or is absent, wherein when Z is absent, the positions on the phenyl rings may be substituted by R5 or R6; wherein any two adjacent substituents are optionally joined together to form a ring, which may be further substituted; wherein each of R1, R2, R3, R4, R5, and R6 is independently selected from various substituents; and wherein m is 1 or 2. Devices, such as organic light emitting devices (OLEDs) that comprise phosphorescent light emitting materials are also provided.

主权项

1. A first device comprising a first organic light emitting device, the first organic light emitting device further comprising:
an anode; a cathode; and an organic layer, disposed between the anode and the cathode, comprising a heteroleptic metal complex of Formula (V): wherein R1, R2, R3, and R4 each represent mono, di, tri, tetra, or penta substitutions or no substitution; wherein R5 and R6 represent no substitutions; wherein any two adjacent substituents are optionally joined together to form a ring, which may be further substituted; wherein each of R1, R2, R3, and R4 is independently selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; and wherein m is 1 or 2.