A display device comprising: a display panel including: a display unit configured to display images; and a sensor unit, configured to measure a skin moisture content, the sensor unit comprising: driving electrodes and sensing electrodes; driving lines connected to the driving electrodes; sensing lines connected to the sensing electrodes; a driving signal output unit configured to sequentially apply driving signals to groups of P driving lines in a first driving mode, wherein P is a positive integer greater than 1; and a detector configured to receive detection signals from groups of Q sensing lines in the first driving mode, wherein Q is a positive integer and Q is smaller than P, wherein the first driving mode is for calculating a skin moisture content, wherein the display device further comprises a main processor, wherein the detector is configured to convert the detection signals into digital detection data and output the digital detection data in the first driving mode; and wherein the main processor is configured to calculate a skin moisture content based on the digital detection data. a display panel including: a display unit configured to display images; and a sensor unit, configured to measure a skin moisture content, the sensor unit comprising: driving electrodes and sensing electrodes; driving lines connected to the driving electrodes; sensing lines connected to the sensing electrodes; a driving signal output unit configured to sequentially apply driving signals to groups of P driving lines in a first driving mode, wherein P is a positive integer greater than 1; and a detector configured to receive detection signals from groups of Q sensing lines in the first driving mode, wherein Q is a positive integer and Q is smaller than P, a display unit configured to display images; and a sensor unit, configured to measure a skin moisture content, the sensor unit comprising: driving electrodes and sensing electrodes; driving lines connected to the driving electrodes; sensing lines connected to the sensing electrodes; a driving signal output unit configured to sequentially apply driving signals to groups of P driving lines in a first driving mode, wherein P is a positive integer greater than 1; and a detector configured to receive detection signals from groups of Q sensing lines in the first driving mode, wherein Q is a positive integer and Q is smaller than P, driving electrodes and sensing electrodes; driving lines connected to the driving electrodes; sensing lines connected to the sensing electrodes; a driving signal output unit configured to sequentially apply driving signals to groups of P driving lines in a first driving mode, wherein P is a positive integer greater than 1; and a detector configured to receive detection signals from groups of Q sensing lines in the first driving mode, wherein Q is a positive integer and Q is smaller than P, wherein the first driving mode is for calculating a skin moisture content, wherein the display device further comprises a main processor, wherein the detector is configured to convert the detection signals into digital detection data and output the digital detection data in the first driving mode; and wherein the main processor is configured to calculate a skin moisture content based on the digital detection data.