| abstract |
The present invention relates to metal complexes which contain mixed elements of the group IB and IVA and to electronic devices, more particularly organic electroluminescent devices, which contain such metal complexes. The claimed compounds are described by formula (1), formula (2) or formula (3): wherein, for the symbols and indices used, the following applies: at every occurrence M is identical or different Cu, Ag or Au; at every occurrence E is identical or different Si, Ge or Sn; the other variables are as defined in the claims. |