LUMINESCENT COMPOUNDS WITH CARBENE LIGANDS
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Abstract
An organic light emitting device is provided. The device has an anode, a cathode and an organic layer disposed between the anode and the cathode. The organic layer comprises a compound further comprising one or more carbene ligands coordinated to a metal center.
52 Citations
112 Claims
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1-89. -89. (canceled)
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90. An organic light emitting device, comprising an anode, a cathode and a phosphorescent emissive layer disposed between the anode and the cathode,
wherein the phosphorescent emissive layer comprises a phosphorescent emissive material; - and
wherein the phosphorescent emissive material comprises a cyclometallated, five-membered ring, which includes a metal atom bound to two carbon atoms within the ring, wherein one of the metal-carbon bonds is a metal-carbene bond and the other is a metal-mono-anionic carbon bond. - View Dependent Claims (91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112)
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Specification