The present invention is generally directed to a hole transport polymer comprising a polymeric backbone having linked thereto a plurality of substituents comprising fused aromatic ring groups, with the proviso that the polymer does not contain groups selected from triarylamines and carbazole groups....http://www.google.fr/patents/US20050124732?utm_source=gb-gplus-shareBrevet US20050124732 - Hole transport polymers and devices made with such polymers
Hole transport polymers and devices made with such polymers
Numéro de demande: 11/035,576 Numéro de publication: US 2005/0124732 A1 Date de dépôt: 14 janv. 2005 Brevet délivré: US7410702 ( Date de délivrance 12 août 2008)
