ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING SAME

The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host being an anthracene derivative and a first dopant being a pyrene derivative and positioned between the first and second electrodes; and a first electron blocking layer including an electron blocking material of a spirofluorene-substituted amine derivative and positioned between the first electrode and the first emitting material layer, wherein at least one of hydrogen atoms in the anthracene derivative and the pyrene derivative is deuterated. 本公开涉及OLED，所述OLED包括：第一电极；面向第一电极的第二电极；第一发光材料层，所述第一发光材料层包含作为蒽衍生物的第一主体和作为芘衍生物的第一掺杂剂并且定位在第一电极与第二电极之间；以及第一电子阻挡层，所述第一电子阻挡层包含经螺芴取代的胺衍生物的电子阻挡材料并且定位在第一电极与第一发光材料层之间，其中蒽衍生物和芘衍生物中的氢原子中的至少一者被氘化。