abstract |
The present invention relates to compounds of the formulas (I) or (II) in which 5 are as defined herein Y, Y 1, Y 2, Z, Z 1, Z 2, X, R 1, R 2, R 3, A, R 4 and R, and their use as electron donor and / or electron acceptor in optoelectronic components and optoelectronic components containing at least one compound as described herein. |