A display device comprising: a substrate ; and a plurality of pixels (PX), wherein each pixel (PX) includes: a first electrode , a partition wall including a first opening overlapping the first electrode , and a low refractive layer including a second opening overlapping the first opening , the plurality of pixels (PX) being positioned on the substrate and comprising: a first plurality of pixels (PX) having a first gap (G1) between an edge of the first opening and an edge of the second opening in a direction parallel to an upper surface of the substrate , a second plurality of pixels (PX) having a second gap (G2) between an edge of the first opening and an edge of the second opening in the direction parallel to the upper surface of the substrate , the first gap (G1) and the second gap (G2) having different lengths from each other in the direction parallel to the upper surface of the substrate , characterised in that at least one of the first plurality of pixels (PX) and at least one of the second plurality of pixels (PX) emit light of the same color as each other. a substrate ; and a plurality of pixels (PX), wherein each pixel (PX) includes: a first electrode , a partition wall including a first opening overlapping the first electrode , and a low refractive layer including a second opening overlapping the first opening , the plurality of pixels (PX) being positioned on the substrate and comprising: a first plurality of pixels (PX) having a first gap (G1) between an edge of the first opening and an edge of the second opening in a direction parallel to an upper surface of the substrate , a second plurality of pixels (PX) having a second gap (G2) between an edge of the first opening and an edge of the second opening in the direction parallel to the upper surface of the substrate , the first gap (G1) and the second gap (G2) having different lengths from each other in the direction parallel to the upper surface of the substrate , characterised in that at least one of the first plurality of pixels (PX) and at least one of the second plurality of pixels (PX) emit light of the same color as each other. a first electrode , a partition wall including a first opening overlapping the first electrode , and a low refractive layer including a second opening overlapping the first opening , the plurality of pixels (PX) being positioned on the substrate and comprising: a first plurality of pixels (PX) having a first gap (G1) between an edge of the first opening and an edge of the second opening in a direction parallel to an upper surface of the substrate , a second plurality of pixels (PX) having a second gap (G2) between an edge of the first opening and an edge of the second opening in the direction parallel to the upper surface of the substrate , the first gap (G1) and the second gap (G2) having different lengths from each other in the direction parallel to the upper surface of the substrate , characterised in that at least one of the first plurality of pixels (PX) and at least one of the second plurality of pixels (PX) emit light of the same color as each other. a first plurality of pixels (PX) having a first gap (G1) between an edge of the first opening and an edge of the second opening in a direction parallel to an upper surface of the substrate , a second plurality of pixels (PX) having a second gap (G2) between an edge of the first opening and an edge of the second opening in the direction parallel to the upper surface of the substrate , the first gap (G1) and the second gap (G2) having different lengths from each other in the direction parallel to the upper surface of the substrate , characterised in that at least one of the first plurality of pixels (PX) and at least one of the second plurality of pixels (PX) emit light of the same color as each other. <EOS>