Polymer, composition for organic electroluminescence device, organic electroluminescence device, organic EL display device and organic EL lighting

摘要

The object of the present invention is to provide a polymer capable of being insolubilized at a low temperature in a short time, having a high hole injecting and transporting ability and a high durability, and a composition for organic electroluminescent element comprising the polymer. The polymer of the present invention comprises a crosslinkable group represented by the following formula (1): wherein 1,2-dihydrocyclobuta [a] naphthalene ring in the formula (1) may have a substituent.