Display with dual-function capacitive elements

A method of manufacturing a touch screen, the method comprising:

• forming first regions having a plurality of first electrically conductive lines disposed in a first direction and connecting capacitive elements in a plurality of adjacent display pixels;
• forming in the first regions a plurality of second electrically conductive lines disposed in a second direction and connecting two or more first conductive lines;
• forming first breaks in at least two or more of the plurality of first electrically conductive lines and in at least two or more of the plurality of second electrically conductive lines thereby defining patches of display pixels wherein all of the capacitive elements of display pixels in each of the patches are electrically connected together;
• forming second regions having a plurality capacitive elements of display pixels disposed in the first and second directions, the second regions disposed adjacent the first regions;
• configuring capacitive elements within the first and second groups to provide a display function in a display mode of operation and to provide capacitive coupling between the first and second groups in a touch sensing mode of operation;
• and
• providing touch sensing circuitry to transmit stimulation signals through the capacitive elements of one of the plurality of first or second regions and to receive sense signals from the other of the plurality of first or second regions.

A touch screen including display pixels with capacitive elements, the touch screen comprising:

• a plurality of rows of display pixels, each row disposed along a first direction and having a plurality of first regions, each first region having a plurality of display pixels disposed in a first and second direction;
• a plurality of columns of display pixels, each column disposed along a second direction and forming a second region, each second region having a plurality of display pixels disposed along the first and second directions, the plurality of columns of display pixels thus forming a plurality of second regions;
• a plurality of conductive lines electrically connecting together the capacitive elements of the plurality of display pixels within each of the plurality of first regions and the plurality of second regions along the first and second directions, at least two or more of the plurality conductive lines in the plurality of first regions having first breaks along the first direction and second breaks along the second direction, the plurality of first regions electrically separated from the plurality of second regions disposed adjacent the plurality of first regions by at least the first breaks;
• the capacitive elements of the plurality of display pixels include at least one of storage capacitors and fringe field electrodes;
• and
• touch sensing circuitry operative for transmitting a stimulation signal along one or more of the plurality of conductive lines to the capacitive elements of the display pixels of one of the rows or columns and for receiving a sense signal along one or more of others of the plurality of conductive lines from the other of the rows or columns.

A touch screen including display pixels with capacitive elements, the touch screen comprising:

• a plurality of first electrically conductive lines connecting capacitive elements in a plurality of adjacent display pixels along a first direction;
• and
• a plurality of second electrically conductive lines connecting two or more first conductive lines and disposed along a second direction;
• at least one or more of the plurality of first conductive lines include first breaks along the first direction;
• a plurality of first regions of display pixels disposed along the first direction, each region electrically separated from an adjacent second region by at least one of the first breaks, adjacent second regions forming a plurality of second regions, each of the plurality of second regions disposed along the second direction;
• capacitive elements of display pixels within each region of the plurality of first and second regions electrically connected together;
• the plurality of first regions forming rows of display pixels, the a plurality of second regions forming columns of display pixels;
• and
• touch sensing circuitry operative for transmitting a stimulation signal to one or more of the plurality of first or second regions and for receiving a sense signal from one or more of others of plurality of first or second regions.

A touch screen including display pixels with capacitive elements, the touch screen comprising:

• a plurality of first regions disposed along a first direction, each of the plurality of first regions having a plurality of display pixels disposed along the first direction and along a second directions;
• a plurality of second regions disposed along the second direction, each of the plurality of second regions having a plurality of display pixels disposed along the first and second directions;
• a plurality of first conductive lines electrically connecting together the capacitive elements of the plurality of display pixels within each of the plurality of first regions and within each of the plurality of second regions;
• wherein at least two first regions successively disposed along the first direction have at least one second region disposed therebetween and are electrically separated from the at least one second region by at least two breaks in the plurality of first conductive lines;
• at least one conductive trace disposed on a border region of the touch screen for electrically connecting one of the at least two first regions to the other of the at least two first regions, the at least one conductive trace coupled to at least one of the plurality of first conductive lines in each of the at least two first regions;
• the capacitive elements of the plurality of display pixels include at least one of storage capacitors and fringe field electrodes;
• and
• touch sensing circuitry operative for transmitting a stimulation signal through the capacitive elements of the display pixels in the plurality of first regions and for receiving a sense signal from capacitive elements in the plurality of second regions.