Electrophosphorescent arrangement comprising conductive polymers

1. A layer arrangement comprising (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, arid (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound,

wherein the organic conductive polymer system is a cationically charged polythiophene comprising structural units of the formula (V)

in which

A 1 and A 2 , independently of one another, represent optionally substituted (C 1 -C 18 )-alkyl or together form optionally substituted (C 1 -C 18 )-alkylene, and

n represents an integer from 2 to 10,000, in the presence of polyanions.

2. A layer arrangement according to claim 1 wherein the electrically conductive layer of the transparent substrate is a transparent conductive inorganic layer and the organic conductive polymer system is applied to the transparent conductive inorganic layer.

3. A layer arrangement according to claim 2 wherein the transparent inorganic conductive layer comprises indium tin oxide.

4. A layer arrangement comprising (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, and (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound,

wherein the organic conductive polymer system is a cationically charged polythiophene comprising structural units of the formula (V)

in which

A 1 and A 2 , independently of one another, represent optionally substituted (C 1 -C 18 )-alkyl or together form optionally substituted (C 1 -C 18 )-alkylene, and

n represents an integer from 2 to 10,000, in the presence of polyanions,

wherein the electrophosphorescent compound is a phosphorescent organic iridium or osmium compound.

5. A layer arrangement according to claim 4 wherein the electrophosphorescent compound is a phosphorescent organic indium compound of the formula

6. A layer arrangement according to claim 1 wherein the organic conductive polymer system is a polyaniline, a polypyrrole, or a polythiophene system.

7. A layer arrangement comprising (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, and (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound,

wherein the organic conductive polymer system is a cationically charged polythiophene comprising structural units of the formula (V)

in which

A 1 and A 2 , independently of one another, represent optionally substituted (C 1 -C 18 )-alkyl or together form optionally substituted (C 1 -C 18 )-alkylene, and

n represents an integer from 2 to 10.000, in the presence of polyanions,

wherein a hole conductor layer that contains an aromatic amine of the formula (VI)

in which

R 6 represents hydrogen, optionally substituted alkyl, or halogen, and R 7 and R 8 , independently of one another, represent optionally substituted (C 1 -C 10 )-alkyl, alkoxycarbonyl-substituted (C 1 -C 10 )-alkyl, or aryl, aralkyl or cycloalkyl, each of which is optionally substituted,

is additionally applied to the electrically conductive polymer system.

8. A layer arrangement comprising (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, and (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound,

wherein the organic conductive polymer system is a cationically charged polythiophene comprising structural units of the formula (V)

in which

A 1 arid A 2 , independently of one another, represent on optionally substituted (C 1 -C 18 )-alkyl or together form optionally substituted (C 1 -C 18 )-alkylene, and

n represents an integer from 2 to 10,000, in the presence of polyanions; and

an electron transport layer that contains a gallium complex selected from the group consisting of Ga(qa) 2 OR 9 , Ga(qa) 2 OCOR 9 , or Ga(qa) 2 —O—Ga(qa) 2 , in which

R 9 represents substituted or unsubstituted alkyl, aryl, aralkyl, or cycloalkyl, and

(qa) represents

9. A layer arrangement according to claim 1 wherein the transparent substrate is glass or a plastic.

10. A layer arrangement according to claim 1 wherein at least one of the two substrates is a plastic substrate.

11. A layer arrangement according to claim 9 wherein the plastic is a polycarbonate, copolycarbonate, polyester, polysulfone, polyethersulfone, polyimide, polypropylene, polyethylene, cyclic polyolefin, cyclic olefin copolymer, hydrogenated styrene polymer, or hydrogenated styrene copolymer.

12. A layer arrangement according to claim 10 wherein the plastic is a polycarbonate, copolycarbonate, polyester, polysulfone, polyethersulfone, polyimide, polypropylene, polyethylene, cyclic polyolefin, cyclic olefin copolymer, hydrogenated styrene polymer, or hydrogenated styrene copolymer.

13. A layer arrangement according to claim 9 wherein the plastic substrate is at least one of scratch-resistant end resistant to chemicals.

14. A layer arrangement according to claim 10 wherein the plastic substrate is at least one of scratch-resistant and resistant to chemicals.

15. A layer arrangement according to claim 1 wherein the arrangement is encapsulated.

16. An electroluminescent apparatus containing a layer arrangement according to claim 1 .