POLYMER OR OLIGOMER, HOLE TRANSPORT MATERIAL COMPOSITION, AND ORGANIC ELECTRONIC ELEMENT USING SAME

摘要

An embodiment of the present invention relates to a polymer or oligomer (A) containing a structural unit with hole transport properties, and also containing at least one type of organic group selected from the group consisting of groups having an ester linkage, groups having a carbonyl linkage, groups having an amide linkage, and groups having an imide linkage.