Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 28, 2011
Patent Application Number
12250770
Date Filed
October 14, 2008
Patent Primary Examiner
Patent abstract
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.
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