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2,5-LINKED POLYFLUORENES FOR OPTOELECTRONIC DEVICES

United States Patent Application

*** PATENT GRANTED ***
20100092801
7,968,004
A1
View the Complete Application at the US Patent & Trademark Office
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.
Cella, James Anthony (Clifton Park, NY), Shiang, Joseph John (Niskayuna, NY), Shanklin, Elliott West (Altamont, NY), Smigelski, JR., Paul Michael (Scotia, NY)
General Electric Company (Schenectady NY)
12/ 250,770
October 14, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] This invention was made with Government support under contract number DE-FC26-05NT42343 awarded by the U.S. Department of Energy. The Government may have certain rights in the invention.