Disclosed herein is an organic light-emitting diode, comprising an anode, a hole transport layer, a light-emitting layer including a host and a dopant, an electron transport layer, and a cathode in that order, wherein an electron-density-controlling layer including an anthracene derivative represented by the following Chemical Formula A is disposed between the light-emitting layer and the electron transport layer, and wherein an affinity Ah (eV) of the host of the light-emitting layer, an affinity Aed (eV) of the electron-density-controlling layer, and an affinity Ae (eV) of the electron transport layer satisfy an relationship of Ah≥Aed≥Ae.
本文公开了一种有机发光二极管,该二极管依次包括阳极、空穴传输层、包括宿主和掺杂剂的发光层、电子传输层和阴极,其中电子密度控制层包括如下
化学式 A 所代表的
蒽衍
生物,该电子密度控制层设置在发光层和电子传输层之间、其中,发光层主层的亲和力 Ah(eV)、电子密度控制层的亲和力 Aed(eV)和电子传输层的亲和力 Ae(eV)满足 Ah≥Aed≥Ae 的关系。