The present application relates to a composition comprising a compound having an indazole ring structure and a phosphorescence-emitting compound, wherein the compound having an indazole ring structure is a polymer comprising a repeating unit which is an indazole ring structure represented by the general formula (1-1), (1-2), (1-3), (1-4), (2-1), (2-2) or (2-3) :
wherein R and R1 each independently represent a hydrogen atom or a monovalent substituent, and when a plurality of R or R1 are present, they may be the same or different.
本申请涉及一种由具有
吲唑环结构的化合物和
磷光发光化合物组成的组合物,其中具有
吲唑环结构的化合物是一种聚合物,其重复单元是由通式(1-1)、(1-2)、(1-3)、(1-4)、(2-1)、(2-2)或(2-3)表示的
吲唑环结构:
其中 R 和 R1 各自独立地代表氢原子或单价取代基,当存在多个 R 或 R1 时,它们可以相同或不同。