An organic electroluminescent element comprising a light emission layer and a hole blocking layer adjacent to the light emission layer, wherein, (i) the light emission layer contains a compound having a prescribed partial structure and having a molecular weight of not more than 1700; and (ii) the hole blocking layer contains a derivative selected from the group consisting of a styryl derivative, a boron derivative, a carboline derivative and a carboline derivative of which at least one of carbon atoms constituting a carboline moiety is replaced with a nitrogen atom.
一种有机电致发光元件,包括一个光发射层和一个与光发射层相邻的空穴阻挡层,其中,(i) 光发射层含有一种具有规定的部分结构且分子量不超过 1700 的化合物;(ii) 空穴阻挡层含有一种衍
生物,该衍
生物选自由
苯乙烯衍
生物、
硼衍
生物、咔啉衍
生物和咔啉衍
生物组成的组,其中构成咔啉分子的碳原子中至少有一个被氮原子取代。