| abstract |
The present invention relates to (co)polymers which contain at least one repeat chain unit of the general formula (1) or (2) and optionally repeat units of the general formula (3), ##STR1## in which L 1 and L 2 mutually independently mean a photoluminescent residue, to a process for the production thereof, to the use thereof in electroluminescent devices and to the electroluminescent devices. |