Organic electroluminescent materials and devices
First Claim
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1. A first device, comprising an organic light emitting device comprising:
- an anode;
a cathode; and
a first organic layer disposed between the anode and the cathode, comprising a compound having the formula;
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Abstract
Compounds comprising a 3,9-linked oligocarbazole moiety and a dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-dibenzothiophene, aza-dibenzofuran, or aza-dibenzoselenophene are provided. The 3,9-linked oligocarbazole and dibenzo or aza-dibenzo moiety are separated by an aromatic spacer. The compounds may be used as non-emissive materials for phosphorescent OLEDs to provide devise having improved performance.
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11 Claims
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1. A first device, comprising an organic light emitting device comprising:
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an anode; a cathode; and a first organic layer disposed between the anode and the cathode, comprising a compound having the formula; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification