The present disclosure provides an organic light-emitting diode structure and a display device. The electron blocking layer, the luminescent layer and the hole blocking layer in the organic light-emitting diode structure satisfy: HOMOhost−HOMOEBL≤0.3 eV, LUMOhost>LUMOHBL, and HOMOHBL−HOMOhost≥0.1 eV, wherein HOMO is the highest occupied molecular orbital, LUMO is the lowest unoccupied molecular orbital, host refers to the host material, EBL refers to the electron blocking layer, and HBL refers to the hole blocking layer.