Organic electroluminescent materials and devices
First Claim
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1. A compound having the structure of formula (L)n(L′
- )3-nIr, wherein n is 1 or 2, ligand L has a structure
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Abstract
Compounds comprising a metal complex having novel ligands are provided. In particular, the compound is an iridium complex comprising novel aza DBX ligands. The compounds may be used in organic light emitting devices, particularly as emitting dopants, providing improved efficiency, low operating voltage, and long lifetime.
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Citations
17 Claims
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1. A compound having the structure of formula (L)n(L′
- )3-nIr, wherein n is 1 or 2, ligand L has a structure
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An organic light emitting device, comprising:
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an anode; a cathode; and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound having the structure of formula (L)n(L′
)3-nIr, wherein n is 1 or 2, ligand L has a structure - View Dependent Claims (14, 15, 16, 17)
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Specification