POLYMER, COMPOSITION FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC EL DISPLAY DEVICE, AND ORGANIC EL ILLUMINATION

摘要

Provided are a polymer having high hole injection/transport ability and high durability, a composition for an organic electroluminescent element which includes the polymer, an organic electroluminescent element having high luminous efficiency which is fabricated using the composition, and a display device and illumination device which use the organic electroluminescent element. This polymer contains units represented by formula (1) as repeating units. (In formula (1), Ar1, R1, and T1 are each the same as defined in the specification.)