Light emitting device and display apparatus including same

The invention relates to a light emitting device and a display apparatus including the same. The light emitting device includes a first electrode and a second electrode facing each other, and a light emitting layer disposed between the first electrode and the second electrode, and the light emitting layer includes quantum dots, in which the light emitting layer includes a first light emitting layer close to the first electrode and a second light emitting layer close to the second electrode, the quantum dots of the first light emitting layer include a first ligand on a surface, and the quantum dots of the second light emitting layer include a second ligand on a surface, the first ligand being different from the second ligand, and the HOMO level of the first light emitting layer being lower (shallow) than the HOMO level of the second light emitting layer. 本发明涉及发光器件和包括其的显示设备。发光器件包括彼此面对的第一电极和第二电极、以及设置在所述第一电极和所述第二电极之间的发光层，并且所述发光层包括量子点，其中所述发光层包括靠近于所述第一电极的第一发光层和靠近于所述第二电极的第二发光层，所述第一发光层的量子点在表面上包括第一配体，并且所述第二发光层的量子点在表面上