Display device

A display device, comprising:

• a base layer;
• a circuit layer disposed on the base layer;
• and
• an element layer disposed on the circuit layer and comprising a plurality of light emitting elements and a light receiving element disposed between the light emitting elements, wherein the element layer comprises:
• a pixel definition layer comprising a plurality of light emitting openings, each overlapping a corresponding light emitting element from among the plurality of light emitting elements, and a light receiving opening overlapping the light receiving element;
• and
• a spacer layer disposed on the pixel definition layer adjacent to the light receiving opening, and comprising a spacer opening overlapping the light receiving opening, and a bridge groove connected to the spacer opening and exposing a top surface of the pixel definition layer;
• and
• a common layer commonly included in the light emitting elements and the light receiving element, wherein the common layer does not overlap the spacer layer.