H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 33/14 (2006.01) C08K 5/18 (2006.01) C08L 65/00 (2006.01) C09K 11/02 (2006.01) C09K 11/06 (2006.01) H01L 51/50 (2006.01) H01L 51/52 (2006.01)
Patent
CA 2266095
Electroluminescent assemblies containing a substrate, an anode, an electro- luminescent element and a cathode, where at least one of the two electrodes is transparent or semitransparent in the visible spectral region and the electro-luminescent element can contain in order: a hole injection zone, a hole transport zone, an electroluminescent zone, an electron transport zone and an electron injection zone, characterized in that the hole injection zone contains an uncharged or cationic polythiophene of the formula (I), Image , where Q1 and Q2 represent, independently of one another, hydrogen, substituted or unsubstituted (C1-C20)-alkyl, CH2OH or (C6-C14)-aryl or Q1 and Q2 together represent -(CH2)m-CH2- where m = 0 to 12, preferably 1 to 5, (C6-C14)-arylene, and n represents an integer from 2 to 10,000, preferably from 5 to 5000, and the hole transport zone adjoining the hole injection zone contains one or more aromatic amine compounds.
Andries Hartwig
Elschner Andreas
Heuer Helmut Werner
Huppauff Martin
Jonas Friedrich
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Heraeus Clevios Gmbh
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