An integrated liquid crystal display touch screen having plural rows of display pixels, comprising from bottom to top (Fig. 20): a bottom polarizer; a bottom substrate having an active matrix layer thereon; a liquid crystal layer; a first plurality of electrodes configured to operate as touch drive electrodes for touch scanning and to operate as a counter electrode (Vcom) for the display pixels for display update; a top substrate; a second plurality of electrodes configured to operate as touch sense electrodes; a top polarizer; wherein the touch drive electrodes and the touch sense electrodes spaced apart from one another to form a mutual capacitive coupling node at each crossing of one of the touch drive electrodes with one of the touch sense electrodes; the touch drive electrodes forming a plurality of touch drive segments (2700-2704, 2803, 2903, 3604), each touch drive segment (2701 -2704) composed of groups of touch drive electrodes overlapping one or more rows of the plural rows of display pixel; the plural rows (2705, 2804, 2902) of display pixels configured to be updated at a predetermined refresh rate during the display update; the touch drive segments connected to a drive circuit that is configured to apply a drive signal to the touch drive segments during the touch sensing at a predetermined scan rate; and capacitance sensing circuitry configured to measure changes in mutual capacitance between the touch sense electrodes and the touch drive electrodes resulting from a perturbation of an electric field as an object approaches the touch screen; and circuitry configured to perform the display update of the plural rows of display pixels and simultaneously, to perform the touch scanning of touch drive segments (2701 -2704), an area of the display currently being updated not overlapping a touch drive segment to which a drive signal is being applied. a bottom polarizer; a bottom substrate having an active matrix layer thereon; a liquid crystal layer; a first plurality of electrodes configured to operate as touch drive electrodes for touch scanning and to operate as a counter electrode (Vcom) for the display pixels for display update; a top substrate; a second plurality of electrodes configured to operate as touch sense electrodes; a top polarizer; wherein the touch drive electrodes and the touch sense electrodes spaced apart from one another to form a mutual capacitive coupling node at each crossing of one of the touch drive electrodes with one of the touch sense electrodes; the touch drive electrodes forming a plurality of touch drive segments (2700-2704, 2803, 2903, 3604), each touch drive segment (2701 -2704) composed of groups of touch drive electrodes overlapping one or more rows of the plural rows of display pixel; the plural rows (2705, 2804, 2902) of display pixels configured to be updated at a predetermined refresh rate during the display update; the touch drive segments connected to a drive circuit that is configured to apply a drive signal to the touch drive segments during the touch sensing at a predetermined scan rate; and capacitance sensing circuitry configured to measure changes in mutual capacitance between the touch sense electrodes and the touch drive electrodes resulting from a perturbation of an electric field as an object approaches the touch screen; and circuitry configured to perform the display update of the plural rows of display pixels and simultaneously, to perform the touch scanning of touch drive segments (2701 -2704), an area of the display currently being updated not overlapping a touch drive segment to which a drive signal is being applied.