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OLED devices with internal outcoupling

United States Patent

9,711,748
July 18, 2017
View the Complete Patent at the US Patent & Trademark Office
Optoelectronic devices with enhanced internal outcoupling include a substrate, an anode, a cathode, an electroluminescent layer, and electron transporting layer comprising a fluoro compound of formula I (Ar.sup.2).sub.n--Ar.sup.1--(Ar.sup.2).sub.n I wherein Ar.sup.1 is C.sub.5-C.sub.40 aryl, C.sub.5-C.sub.40 substituted aryl, C.sub.5-C.sub.40 heteroaryl, or C.sub.5-C.sub.40 substituted heteroaryl; Ar.sup.2 is, independently at each occurrence, fluoro- or fluoroalkyl-substituted C.sub.5-40 heteroaryl; and n is 1, 2, or 3.
Chichak; Kelly Scott (Clifton Park, NY), Liu; Jie Jerry (Niskayuna, NY), Shiang; Joseph John (Niskayuna, NY), Natarajan; Arunkumar (Niskayuna, NY), Heller; Christian Maria Anton (Albany, NY)
BOE TECHNOLOGY GROUP CO., LTD. (Beijing, CN)
13/ 599,477
20140061591
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.