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Organic electronic devices using phthalimide compounds

United States Patent

October 23, 2012
View the Complete Patent at the US Patent & Trademark Office
Organic electronic devices comprising a phthalimide compound. The phthalimide compounds disclosed herein are electron transporters with large HOMO-LUMO gaps, high triplet energies, large reduction potentials, and/or thermal and chemical stability. As such, these phthalimide compounds are suitable for use in any of various organic electronic devices, such as OLEDs and solar cells. In an OLED, the phthalimide compounds may serve various functions, such as a host in the emissive layer, as a hole blocking material, or as an electron transport material. In a solar cell, the phthalimide compounds may serve various functions, such as an exciton blocking material. Various examples of phthalimide compounds which may be suitable for use in the present invention are disclosed.
Hassan; Azad M. (Los Angeles, CA), Thompson; Mark E. (Anaheim, CA)
The University of Southern California (Los Angeles, CA)
12/ 854,297
August 11, 2010
This invention was made with support from the United States Government, under Contract No. DE-FG02-03ER83813, awarded by the U.S. Dept. of Energy. The Government may have certain rights in this invention. The claimed invention was made by, on behalf of, and/or in connection with one or more of the following parties to a joint university corporation research agreement: Princeton University, The University of Southern California, and the Universal Display Corporation. The agreement was in effect on and before the date the claimed invention was made, and the claimed invention was made as a result of activities undertaken within the scope of the agreement.