A triarylamine-based compound of formula 1, a method of preparing the same, and an organic light emitting device including the triarylamine-based compound of formula 1:
where Ar
1
through Ar
4
are independently a substituted or unsubstituted C6-C30 aryl group or a substituted or unsubstituted C2-C30 heterocyclic group; R is a halogen atom, a cyano group, a substituted or unsubstituted C1-C30 alkyl group; n is an integer of 1 through 3; and m is an integer of 1 through 3. The triarylamine-based compound of formula 1 has excellent electrical properties and a great charge transporting capability. An organic light emitting device including an organic layer formed of the triarylamine-based compound has high efficiency, low operating voltage, great luminance, and long lifetime.
公式1的三芳基胺化合物,其制备方法,以及包括公式1的三芳基胺化合物的有机发光器件:其中Ar1至Ar4独立地表示取代或未取代的C6-C30芳基或取代或未取代的C2-C30杂环基;R是卤素原子、
氰基、取代或未取代的C1-C30烷基;n是1至3的整数;m是1至3的整数。公式1的三芳基胺化合物具有优异的电学性能和出色的电荷传输能力。包括由三芳基胺化合物形成的有机层的有机发光器件具有高效率、低工作电压、出色的亮度和长寿命。