An input sensing device, comprising: a first base layer; a plurality of first sensing electrodes (IE1-1 to IE1-6) arranged on the first base layer along a first direction; a plurality of second sensing electrodes (IE2-1 to IE2-6) arranged on the first base layer in different rows from the plurality of first sensing electrodes; a plurality of third sensing electrodes (IE3-1 to IE3-6) arranged on the plurality of second sensing electrodes (IE2-1 to IE2-6) along a second direction different from the first direction, wherein the plurality of third sensing electrodes (IE1-3 to IE3-6) overlaps the plurality of second sensing electrodes (IE2-1 to IE2-6); a plurality of fourth sensing electrodes (IE4-1 to IE4-6), wherein the plurality of fourth sensing electrodes (IE4-1 to IE4-6) is arranged on a same layer as the plurality of third sensing electrodes (IE3-1 to 131-6) and overlaps the plurality of first sensing electrodes (IE1-1 to IE1-6), characterised in that the sensing device further comprises: a touch driving circuit that senses a change in capacitance between the plurality of second sensing electrodes (IE2-1 to IE2-6) and the plurality of third sensing electrodes (IE3-1 to IE3-6) during the touch pressure sensing operation, wherein the input sensing device is configured such that a constant voltage is applied to the plurality of third sensing electrodes (IE3-1 to IE3-6) during a touch pressure sensing operation. a first base layer; a plurality of first sensing electrodes (IE1-1 to IE1-6) arranged on the first base layer along a first direction; a plurality of second sensing electrodes (IE2-1 to IE2-6) arranged on the first base layer in different rows from the plurality of first sensing electrodes; a plurality of third sensing electrodes (IE3-1 to IE3-6) arranged on the plurality of second sensing electrodes (IE2-1 to IE2-6) along a second direction different from the first direction, wherein the plurality of third sensing electrodes (IE1-3 to IE3-6) overlaps the plurality of second sensing electrodes (IE2-1 to IE2-6); a plurality of fourth sensing electrodes (IE4-1 to IE4-6), wherein the plurality of fourth sensing electrodes (IE4-1 to IE4-6) is arranged on a same layer as the plurality of third sensing electrodes (IE3-1 to 131-6) and overlaps the plurality of first sensing electrodes (IE1-1 to IE1-6), characterised in that the sensing device further comprises: a touch driving circuit that senses a change in capacitance between the plurality of second sensing electrodes (IE2-1 to IE2-6) and the plurality of third sensing electrodes (IE3-1 to IE3-6) during the touch pressure sensing operation, wherein the input sensing device is configured such that a constant voltage is applied to the plurality of third sensing electrodes (IE3-1 to IE3-6) during a touch pressure sensing operation. a touch driving circuit that senses a change in capacitance between the plurality of second sensing electrodes (IE2-1 to IE2-6) and the plurality of third sensing electrodes (IE3-1 to IE3-6) during the touch pressure sensing operation, wherein the input sensing device is configured such that a constant voltage is applied to the plurality of third sensing electrodes (IE3-1 to IE3-6) during a touch pressure sensing operation.