Blue emitter with high efficiency based on imidazo[1,2-f] phenanthridine iridium complexes
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Abstract
Imidazo[1,2-f]phenanthridine compounds are provided. The compounds have a twisted aryl moiety further substituted by alkyl having four or more atoms. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
49 Citations
16 Claims
- 1. A compound having the formula:
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10. A compound selected from the group consisting of:
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11. A compound including a ligand having the formula:
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12. A first device comprising 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 formula; - View Dependent Claims (13, 15, 16)
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14. A first device comprising 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 selected from the group consisting of;
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Specification