POLYMER COMPOUND, RETICULATED POLYMER COMPOUND PRODUCED BY CROSSLINKING THE POLYMER COMPOUND, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC EL DISPLAY, AND ORGANIC EL LIGHTING

摘要

Disclosed is a polymer compound that has a high hole transport capacity, has excellent electrochemical stability, and is suitable for film formation by a wet film forming method. Also disclosed is an organic electroluminescent element having a high current efficiency, a low drive voltage, and a long drive lifetime. The polymer compound is characterized by having a crosslinking group that is present through at least one single bond from an arylamine site contained in repeating units.