Embodiments of the invention provides a light emitting device, which comprises a backplane, an encapsulating structure, and a light emitting structure and a scattering layer disposed between the backplane and the encapsulating structure; the scattering layer is located on the light exiting side of the light emitting structure; the light emitting structure is isolated into a plurality of light emitting units, the scattering layer is isolated into a plurality of scattering units, and the plurality of light emitting units correspond to the plurality of scattering units one to one; wherein each of the light emitting units comprises a first light emitting sub-unit, a second light emitting sub-unit and a third light emitting sub-unit. The embodiments of the invention may be used for a display device and a lighting lamp, thereby increasing the light emitting area and achieving uniform mixed emergent light.