Organic electroluminescent materials and devices
2 Assignments
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Accused Products
Abstract
A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer.
81 Citations
10 Claims
- 1. A compound having the formula:
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6. A first device comprising a first organic light emitting device, further comprising:
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an anode; a cathode; and an organic layer disposed between the anode and the cathode, the organic layer further comprising a compound having the formula; - View Dependent Claims (7, 8, 9, 10)
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Specification