abstract |
The present invention is a composition comprising at least one aromatic ether compound, at least one compound having a boiling point of 200 ° C. or more, and at least one polymer having charge transportability or photoluminescence in a solid state, wherein the boiling point is at least 200 ° C. An aliphatic compound which may have a hetero atom, an alicyclic compound which may have a hetero atom, an aromatic compound having 2 or less substituents, and a heterocyclic compound having 2 or less substituents, wherein the composition is selected from the group consisting of To provide.n n n n Aromatic ether compounds, charge transporting, photoluminescent, polymer light emitting devices |