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OLED devices with internal outcoupling

United States Patent

March 3, 2015
View the Complete Patent at the US Patent & Trademark Office
Optoelectronic devices that have enhanced internal outcoupling are disclosed. The devices include a substrate, an anode, a cathode, an electroluminescent layer, and a hole injecting layer. The hole injecting layer includes inorganic nanoparticles that have a bimodal particle size distribution and which are dispersed in an organic matrix.
Liu; Jie Jerry (Niskayuna, NY), Sista; Srinivas Prasad (Glenville, NY), Shi; Xiaolei (Niskayuna, NY), Zhao; Ri-An (Niskayuna, NY), Chichak; Kelly Scott (Clifton Park, NY), Youmans; Jeffrey Michael (Saratoga Springs, NY), Janora; Kevin Henry (Schenectady, NY), Turner; Larry Gene (Hagaman, NY)
General Electric Company (Niskayuna, NY)
13/ 599,511
August 30, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT This invention was made with Government support under contract number DOE DE-EE0003250 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.