本发明的目的是提供具有高的激发三重态能级并完全约束了发磷光物质的三重态激发的发射层中的主体化合物。
The invention aims at providing host compounds for light-emitting layers which have high excited triplet energy levels and can completely confine phosphor triplet excitons.
本发明的目的是提供具有高的激发三重态能级并完全约束了发磷光物质的三重态激发的发射层中的主体化合物。
The invention aims at providing host compounds for light-emitting layers which have high excited triplet energy levels and can completely confine phosphor triplet excitons.
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