Pyridyl carbene phosphorescent emitters
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Abstract
Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
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Citations
8 Claims
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1. A compound selected from the group consisting of:
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2. 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, wherein the organic layer comprises a compound selected from the group consisting of; - View Dependent Claims (3, 4, 5, 6, 7, 8)
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Specification