Quantum dot light emitting diode having substrate and a method of preparing the bonding layer

Providing a quantum dot light-emitting diode having substrate and a method of preparing the bonding layer. The quantum dot light emitting diode board including a plurality of light emitting sub-pixel region, wherein the light emitting region of each sub-pixel comprises a light emitting layer, the light emitting layer and a layer comprising a bonding layer bonded to the quantum dot binding. The quantum dot light emitting diode board may be a high resolution, and convenient preparation process suitable for mass production.