Provided are a polymer for an organic electroluminescent element, which has improved luminous efficiency and is applicable to a wet process, and an organic electroluminescent element obtained therefrom. The polymer for an organic electroluminescent element has a repeating unit represented by [-(Z)1- -(A)m-]n in repeating units constituting a main chain. In addition, the organic electroluminescent element includes, between an anode and a cathode laminated on a substrate, organic layers including a hole-transporting layer and a light-emitting layer, in which at least one of the organic layers contains the polymer for an organic electroluminescent element. In the repeating unit, Z represents an N-indolocarbazolyl group, A represents a repeating unit different from Z, 1 and m each represent an abundance molar ratio, and 1 is 5 to 100 mol% and m is 0 to 95 mol%, and n is 2 to 10,000.
本文提供了一种发光效率更高并适用于湿法工艺的有机电致发光元件用聚合物,以及由此获得的有机电致发光元件。有机电致发光元件用聚合物具有由[-(Z)1--(A)m-]n代表的重复单元,这些重复单元构成主链。此外,有机电致发光元件还包括层叠在基底上的阳极和阴极之间的有机层,其中包括空穴传输层和发光层,在这些有机层中,至少有一层含有有机电致发光元件用聚合物。在重复单元中,Z代表N-
吲哚咔唑基,A代表与Z不同的重复单元,1和m各自代表丰度摩尔比,1为5至100摩尔%,m为0至95摩尔%,n为2至10,000。