abstract |
An object of the present invention is to provide a composition having a low content of foreign substances as a composition for an organic electroluminescent device. The present invention is a composition for an organic electroluminescent device for forming at least one layer selected from the group consisting of a light emitting layer, a hole injection layer and a hole transport layer of an organic electroluminescent device, an aromatic amine-based polymer having a weight average molecular weight of 3,000 to 1,000,000 and organic It relates to a composition for an organic electroluminescent device comprising a solvent, the Zn concentration in the composition is less than 0.5 ppm. |