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Surface plasmon-mediated energy transfer of electrically-pumped excitons

United States Patent

August 25, 2015
View the Complete Patent at the US Patent & Trademark Office
An electrically pumped light emitting device emits a light when powered by a power source. The light emitting device includes a first electrode, a second electrode including an outer surface, and at least one active organic semiconductor disposed between the first and second electrodes. The device also includes a dye adjacent the outer surface of the second electrode such that the second electrode is disposed between the dye and the active organic semiconductor. A voltage applied by the power source across the first and second electrodes causes energy to couple from decaying dipoles into surface plasmon polariton modes, which then evanescently couple to the dye to cause the light to be emitted.
An; Kwang Hyup (Ann Arbor, MI), Shtein; Max (Ann Arbor, MI), Pipe; Kevin P. (Ann Arbor, MI)
The Regents of The University of Michigan (Ann Arbor, MI)
12/ 954,368
November 24, 2010
GOVERNMENT RIGHTS This invention was made with government support under Grant No. DE-SC0000957 awarded by the Department of Energy and Grant No. FA9550-06-1-0399 awarded by the Air Force Office of Scientific Research. The government has certain rights in the invention.