A liquid crystal display device comprising a liquid crystal display panel having liquid crystal sandwiched between a first substrate and a second substrate, and a plurality of pixels arranged in a matrix, wherein the liquid crystal display panel includes: a plurality of detection electrodes of a touch panel arranged on the second substrate; pixel electrodes arranged in the respective pixels; counter electrodes arranged in the respective pixels and divided into M blocks when M is an integral number of 2 or more (M≥2); a driver circuit configured to apply a counter voltage and a touch panel scan voltage to the counter electrodes of each of the M divided blocks; and a detector circuit configured to detect whether a touch is present, or not, on the basis of a current flowing in the plurality of detection electrodes, wherein the counter electrodes of each of the M divided blocks are shared with the respective pixels of a plurality of continuous display lines, and are also arranged as the scanning electrodes of the touch panel, wherein the driver circuit includes a touch panel scanning voltage generator circuit which is configured to sequentially apply the touch panel scanning voltage to the counter electrodes of each of the M divided blocks, and to output an (M+1) th touch panel scanning voltage, which is not applied to the counter electrodes wherein the detector circuit includes: a first unit that is configured to detect whether the touch is present, or not, on the basis of a current flowing in the plurality of detection electrodes when the touch panel scanning voltage is applied to the counter electrodes of each of the M divided blocks; a second unit that is configured to detect noise on the basis of a current flowing in the plurality of detection electrodes in synchronization with the touch panel scanning voltage generator circuit outputting the (M+1) th touch panel scanning voltage; and a third unit that is configured to identify a fictional touch generated by noise when the noise is detected by the second unit. a plurality of detection electrodes of a touch panel arranged on the second substrate; pixel electrodes arranged in the respective pixels; counter electrodes arranged in the respective pixels and divided into M blocks when M is an integral number of 2 or more (M≥2); a driver circuit configured to apply a counter voltage and a touch panel scan voltage to the counter electrodes of each of the M divided blocks; and a detector circuit configured to detect whether a touch is present, or not, on the basis of a current flowing in the plurality of detection electrodes, wherein the counter electrodes of each of the M divided blocks are shared with the respective pixels of a plurality of continuous display lines, and are also arranged as the scanning electrodes of the touch panel, wherein the driver circuit includes a touch panel scanning voltage generator circuit which is configured to sequentially apply the touch panel scanning voltage to the counter electrodes of each of the M divided blocks, and to output an (M+1) th touch panel scanning voltage, which is not applied to the counter electrodes wherein the detector circuit includes: a first unit that is configured to detect whether the touch is present, or not, on the basis of a current flowing in the plurality of detection electrodes when the touch panel scanning voltage is applied to the counter electrodes of each of the M divided blocks; a second unit that is configured to detect noise on the basis of a current flowing in the plurality of detection electrodes in synchronization with the touch panel scanning voltage generator circuit outputting the (M+1) th touch panel scanning voltage; and a third unit that is configured to identify a fictional touch generated by noise when the noise is detected by the second unit. a first unit that is configured to detect whether the touch is present, or not, on the basis of a current flowing in the plurality of detection electrodes when the touch panel scanning voltage is applied to the counter electrodes of each of the M divided blocks; a second unit that is configured to detect noise on the basis of a current flowing in the plurality of detection electrodes in synchronization with the touch panel scanning voltage generator circuit outputting the (M+1) th touch panel scanning voltage; and a third unit that is configured to identify a fictional touch generated by noise when the noise is detected by the second unit.