ORGANIC LIGHT EMITTING DIODE, AND DISPLAY DEVICE AND ILLUMINATION INCLUDING SAME

摘要

The present invention relates to an organic light emitting diode, and a display device and an illumination including the same, the organic light emitting diode comprising: a substrate; a lower electrode formed on the substrate; an n-doping layer formed on the lower electrode; an organic light emitting layer formed on the n-doping layer; an organic layer including a hole transport layer formed on the organic light emitting layer and a hole injection layer formed on the hole transport layer and having a crystalline organic compound; a transparent upper electrode formed on the organic layer; and a capping layer formed on the transparent upper electrode, wherein the capping layer has a refractive index of 1.0 inclusive to 2.0 exclusive.