Ralf Fink: Patente
| Wehrmann, R; Schmidt, H-W; Fink, R; Thelakkat, M: Triazine polymers and their use in electroluminescent arrangements., WO1998011150 A1 |
| Hueppauff, M; Fink, R; Jonda, C; Schmidt, H-W; Thelakkat, M; Wehrmann, R: Organic electroluminescent devices having electron-conductive layers, WO 9804007 |