Highly efficient phosphorescent materials
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Abstract
Novel phosphorescent heteroleptic iridium complexes with substituted phenylquinoline ligands are provided. The alkyl substitution on the phenylquinoline ligands together with larger alkyl substituents on the acetylacetone-derived ligands produces complexes with improved properties that are useful when incorporated into OLED devices.
87 Citations
16 Claims
- 1. A compound having the formula:
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10. A first device comprising a first organic light emitting device, comprising:
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an anode; a cathode; and an organic layer, disposed between the anode and the cathode, comprising a compound having the formula; - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification