Patent ID: 8900725
Filing Date: 2014-12-02
Classification: C08G,C09K,H01L,H05B,Y10S

Abstract:
1. A dendrimer comprising a core unit, a bridge unit, and a dendron unit, wherein the core unit comprises a trivalent or tetravalent functional group selected from the group consisting of a substituted or unsubstituted C 1 -C 50 aliphatic hydrocarbon, a substituted or unsubstituted C 6 -C 50 aromatic hydrocarbon, and a substituted or unsubstituted C 3 -C 50 hetero aromatic hydrocarbon, wherein the bridge unit comprises a divalent or trivalent functional group selected from the group consisting of a substituted or unsubstituted C wherein the dendron unit comprises a monovalent fluorene-based functional group represented by Formula 1 below: where Z is selected from the group consisting of a single bond, Ar X Y R * is a binding site between one selected from the group consisting of Ar