This invention relates to a highly reliable material for an organic electroluminescent element exhibiting high luminance, high luminous efficiency, little deterioration in emission, and suitability for use and storage at high temperatures and to an organic electroluminescent element using said material. The material is a diaminodibenzodioxin derivative represented by general formula (1)
wherein Ar1, Ar2, Ar3, and Ar4 are substituted or unsubstituted aryl groups and Ar1, Ar2, and the nitrogen atom bonded thereto or Ar3, Ar4, and the nitrogen atom bonded thereto may form a nitrogen-containing heterocyclic ring; and this diaminodibenzodioxin derivative may be incorporated in the light-emitting layer, the hole-transporting layer, or the hole-injecting layer of an organic electroluminescent element.
这项发明涉及一种用于有机电致发光元件的高可靠性材料,该元件表现出高亮度、高发光效率、发射减少、适用于高温使用和存储,并且涉及使用该材料的有机电致发光元件。该材料是一种由通式(1)所表示的二
氨基二苯并二氧杂
芳烃衍
生物,其中Ar1、Ar2、Ar3和Ar4是取代或未取代的芳基,并且Ar1、Ar2及其结合的氮原子或Ar3、Ar4及其结合的氮原子可能形成含氮杂环;这种二
氨基二苯并二氧杂
芳烃衍
生物可以被纳入有机电致发光元件的发光层、载流子传输层或注入空穴层中。