Provided is an organic optoelectronic diode and a display device comprising the organic optoelectronic diode, the organic optoelectronic diode comprising: an anode and a cathode facing each other; an emission layer located between the anode and the cathode; an electron transport layer located between the cathode and the emission layer; and an auxiliary electron transport layer located between the electron transport layer and the emission layer, wherein the auxiliary electron transport layer comprises at least one type of first compound represented by chemical formula 1 below. Chemical formula 1 is the same as that described in the description.
