A touch screen apparatus comprising: a first touch panel having a plurality of first touch sensors (Cm), wherein a capacitance in each first touch sensor (Cm) is changed by a user's touch; a second touch panel having a plurality of second touch sensors (Rm), wherein a resistance value in each second touch sensor (Rm) is changed by a user's touch; and a touch sensing circuit for generating three-dimensional 3D touch information by sensing a touch position through the first touch sensor (Cm) and sensing a touch force through the second touch sensor (Rm) on the basis of touch synchronization signal (Tsync), wherein the touch synchronization signal (Tsync) has first and second periods (P1, P2), and wherein the touch sensing circuit is adapted to: - generate touch raw data by sensing the change of the capacitance in the first touch sensor (Cm) for the first period, - generate force raw data by sensing the change of the resistance value in the second touch sensor (Rm) for the second period, and - generate the 3D touch information based on the touch raw data and the force raw data, and wherein the touch sensing circuit is further adapted to: - generate the force raw data by sensing the change of the resistance value in the second touch sensor (Rm) and simultaneously calculate touch position data (Tdata) from the touch raw data, - calculate touch force data (Fdata) from the force raw data, and - generate the 3D touch information based on the touch position data (Tdata) and the touch force data (Fdata) and output the 3D touch information. a first touch panel having a plurality of first touch sensors (Cm), wherein a capacitance in each first touch sensor (Cm) is changed by a user's touch; a second touch panel having a plurality of second touch sensors (Rm), wherein a resistance value in each second touch sensor (Rm) is changed by a user's touch; and a touch sensing circuit for generating three-dimensional 3D touch information by sensing a touch position through the first touch sensor (Cm) and sensing a touch force through the second touch sensor (Rm) on the basis of touch synchronization signal (Tsync), wherein the touch synchronization signal (Tsync) has first and second periods (P1, P2), and wherein the touch sensing circuit is adapted to: - generate touch raw data by sensing the change of the capacitance in the first touch sensor (Cm) for the first period, - generate force raw data by sensing the change of the resistance value in the second touch sensor (Rm) for the second period, and - generate the 3D touch information based on the touch raw data and the force raw data, and wherein the touch sensing circuit is further adapted to: - generate the force raw data by sensing the change of the resistance value in the second touch sensor (Rm) and simultaneously calculate touch position data (Tdata) from the touch raw data, - calculate touch force data (Fdata) from the force raw data, and - generate the 3D touch information based on the touch position data (Tdata) and the touch force data (Fdata) and output the 3D touch information. - generate touch raw data by sensing the change of the capacitance in the first touch sensor (Cm) for the first period, - generate force raw data by sensing the change of the resistance value in the second touch sensor (Rm) for the second period, and - generate the 3D touch information based on the touch raw data and the force raw data, and wherein the touch sensing circuit is further adapted to: - generate the force raw data by sensing the change of the resistance value in the second touch sensor (Rm) and simultaneously calculate touch position data (Tdata) from the touch raw data, - calculate touch force data (Fdata) from the force raw data, and - generate the 3D touch information based on the touch position data (Tdata) and the touch force data (Fdata) and output the 3D touch information.