A display device comprising: a display panel including a light emitting element configured to generate light; and a capacitive input detection layer disposed on the display panel and including: a plurality of first sensing electrodes (IE1-1;IE1-2;IE1-3;IE1-4;IE1-5) disposed on the display panel and arranged in a first direction; a plurality of second sensing electrodes (IE2-1;IE2-2;IE2-3;IE2-4;IE2-5) disposed on the display panel and arranged in a second direction; a plurality of trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5) electrically connected to the plurality of sensing electrodes, respectively; and a pad part including a plurality of input pads (I-PD) respectively connected to one ends of the trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5); wherein at least two of the trace lines comprise: a single layer part (SLP-1;SLP2;SLP3:SLP4:SLP5) including one conductive layer; and a multilayer part (DLP1;DLP2;DLP3;DLP4;DLP5) including a first conductive layer and a second conductive layer with an insulating layer disposed between the first and second conductive layers, wherein the first conductive layer and the second conductive layer are electrically connected to each other via at least one contact hole, and characterized in that a length ratio of the single layer part to a total length of each trace line decreases as a distance between the pad part and a corresponding sensing electrode increases, so that a resistance of each trace line is substantially equal. a display panel including a light emitting element configured to generate light; and a capacitive input detection layer disposed on the display panel and including: a plurality of first sensing electrodes (IE1-1;IE1-2;IE1-3;IE1-4;IE1-5) disposed on the display panel and arranged in a first direction; a plurality of second sensing electrodes (IE2-1;IE2-2;IE2-3;IE2-4;IE2-5) disposed on the display panel and arranged in a second direction; a plurality of trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5) electrically connected to the plurality of sensing electrodes, respectively; and a pad part including a plurality of input pads (I-PD) respectively connected to one ends of the trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5); a plurality of first sensing electrodes (IE1-1;IE1-2;IE1-3;IE1-4;IE1-5) disposed on the display panel and arranged in a first direction; a plurality of second sensing electrodes (IE2-1;IE2-2;IE2-3;IE2-4;IE2-5) disposed on the display panel and arranged in a second direction; a plurality of trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5) electrically connected to the plurality of sensing electrodes, respectively; and a pad part including a plurality of input pads (I-PD) respectively connected to one ends of the trace lines (SL1-1;SL1-2;SL1-3;SL1-4;SL1-5); wherein at least two of the trace lines comprise: a single layer part (SLP-1;SLP2;SLP3:SLP4:SLP5) including one conductive layer; and a multilayer part (DLP1;DLP2;DLP3;DLP4;DLP5) including a first conductive a single layer part (SLP-1;SLP2;SLP3:SLP4:SLP5) including one conductive layer; and a multilayer part (DLP1;DLP2;DLP3;DLP4;DLP5) including a first conductive layer and a second conductive layer with an insulating layer disposed between the first and second conductive layers, wherein the first conductive layer and the second conductive layer are electrically connected to each other via at least one contact hole, and characterized in that a length ratio of the single layer part to a total length of each trace line decreases as a distance between the pad part and a corresponding sensing electrode increases, so that a resistance of each trace line is substantially equal. wherein the first conductive layer and the second conductive layer are electrically connected to each other via at least one contact hole, and characterized in that a length ratio of the single layer part to a total length of each trace line decreases as a distance between the pad part and a corresponding sensing electrode increases, so that a resistance of each trace line is substantially equal.