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Excited state management

United States Patent

March 27, 2018
View the Complete Patent at the US Patent & Trademark Office
Arrangements and techniques for providing organic emissive layers are provided, in which the emissive layer includes a first dopant having a dissociative energy level. A second dopant in the emissive layer provides a solid state sink energy level, to which doubly excited excitons and/or polarons may transition instead of to the dissociative energy level, thereby decreasing the undesirable effects of transitions to the dissociative energy level.
Forrest; Stephen R. (Ann Arbor, MI), Slootsky; Michael (Ann Arbor, MI), Thompson; Mark E. (Anaheim Hills, CA)
The Regents of the University of Michigan (Ann Arbor, MI), The University of Southern California (Los Angeles, CA)
14/ 724,238
May 28, 2015
STATEMENT REGARDING GOVERNMENT RIGHTS This invention was made with government support under Contract No. DOE DE-SC00001013 awarded by the Department of Energy, and under FA9550-14-1-0245 awarded by the U.S. Air Force Office of Scientific Research. The government has certain rights in the invention.