CHARGE TRANSPORTING MATERIAL, INK COMPOSITION USING THE MATERIAL, ORGANIC ELECTRONICS ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY ELEMENT, DISPLAY DEVICE AND LIGHTING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a charge transporting material containing a polymer compound which facilitates deposition by coating method and is available in an organic electroluminescent element, and to provide an ink composition containing the material, an organic electroluminescent element excellent in luminous efficiency and emission lifetime, an organic EL element, a display element using them, a lighting system, and a display device.SOLUTION: A polymer compound is composed to contain a first structural unit derived from a condensed polycyclic aromatic hydrocarbon and having three or more branches, and at least three second structural units having charge transportability coupled to the branch of the first structural unit, and used as a charge transporting material.