Polychromatic Light Emitting Devices and Versatile Hole Transporting Matrix for Them
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Mar 23, 2015
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Mar 25, 2014
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The present invention relates to organic light-emitting diodes (OLEDs) comprising at least one substantially organic layer comprising 1,N,N,N′,N′-pentakis(1,1′-biphenyl-4-yl)-phenylene-3,5-diamine matrix compound and to new 1,N,N,N′,N′-pentakis(1,1′-bi-phenyl-4-yl)-phenylene-3,5-diamine compound useful especially as hole-transporting and/or electron-blocking layer matrix in OLEDs.
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