1results about How to "Improve sensing efficiency" patented technology

This disclosure provides a display device including a plurality of light-emitting elements disposed on a substrate, and capable of preventing or reducing optical sensor failures by including the following structure, wherein at least one of the plurality of light-emitting elements includes a first electrode disposed on the substrate, a hole transport layer disposed on the first electrode, an electron blocking layer disposed on the hole transport layer, an emitting layer disposed on the electron blocking layer and having a width greater than that of the electron blocking layer, and a second electrode disposed on the emitting layer.