LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE INCLUDING THE SAME

摘要

The present invention provides a light emitting diode which includes a first electrode; a hole injection layer which is formed on the upper side of the first electrode; a hole transport layer which is formed on the upper side of the hole injection layer and includes a first host material; a light emitting material layer which is formed on the upper side of the hole transport layer and includes a second host material and a third host material which is equal to the first host material; an electron transport layer which is formed on the upper side of the light emitting material layer; an electron injection layer which is formed on the upper side of the electron transport layer; and a second electrode which is formed on the upper side of the electron injection layer.