| abstract |
The invention discloses a polymer, a composition comprising the same, an organic electronic device and applications, wherein the polymer includes a repeating structural unit E on the side chain, and the repeating structural unit has thermally excited delayed fluorescence (TADF) characteristics , that is, where Δ(S1(E)‑T1(E))≤0.35eV. Therefore, a TADF polymer suitable for a printing process is provided, thereby reducing OLED manufacturing costs. |