Light emitting device having light-emitting layer including a manganese complex and quantum dots

A display device including a plurality of light emitting devices, each of the plurality of light emitting devices comprising:

• a first electrode;
• a second electrode opposite to the first electrode;
• and
• an emission layer between the first electrode and the second electrode, the emission layer comprising a manganese complex compound as a host and a quantum dot as a dopant,
• wherein the quantum dot is at least one half in weight of the emission layer.

A display device, comprising:

• a display panel including a plurality of light emitting devices;
• and
• a light control layer on the display panel,
• wherein the light emitting devices comprise:
• a first light emitting device comprising a first emission layer, in which a first quantum dot and a first host are included;
• a second light emitting device comprising a second emission layer, in which a second quantum dot and a second host are included;
• and
• a third light emitting device comprising a third emission layer, in which a third quantum dot and a third host are included,
• wherein at least one of the first to third hosts is a manganese complex compound represented by the following Chemical Formula 1:
• XpMnYq, Chemical Formula 1
• wherein in Chemical Formula 1, X is a univalent or divalent cationic organic compound group, Y is a halogen atom, p is 1 or 2, and q is 4 or 6, and
• wherein the first quantum dot is at least one half in weight of the first emission layer, the second quantum dot is at least one half in weight of the second emission layer, and the third quantum dot is at least one half in weight of the third emission layer.