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Optoelectronic device with nanoparticle embedded hole injection/transport layer

United States Patent

January 3, 2012
View the Complete Patent at the US Patent & Trademark Office
An optoelectronic device is disclosed that can function as an emitter of optical radiation, such as a light-emitting diode (LED), or as a photovoltaic (PV) device that can be used to convert optical radiation into electrical current, such as a photovoltaic solar cell. The optoelectronic device comprises an anode, a hole injection/transport layer, an active layer, and a cathode, where the hole injection/transport layer includes transparent conductive nanoparticles in a hole transport material.
Wang; Qingwu (Chelmsford, MA), Li; Wenguang (Andover, MA), Jiang; Hua (Methuen, MA)
Agiltron, Inc. (Woburn, MA)
11/ 589,338
October 30, 2006
GOVERNMENT LICENSE RIGHTS The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. DE-FG02-04-ER83894 awarded by the Department of Energy (DOE).