Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 24, 2012
Patent Application Number
12767433
Date Filed
April 26, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
Novel organic compounds comprising a bicarbazole core are provided. In particular, the compound has a 3;3′-bicarbazole core substituted at the 9th position with at least one of dibenzofuran, dibenzothiophene, dibenzoselenophene, azadibenzofuran, azadibenzothiophene and azadibenzoselenophene. The compounds may be used in organic light emitting devices to provide devices having improved efficiency and improved lifetime.
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