Capacitive touch surface in close proximity to display

A method of manufacturing a capacitive touch sensitive display device, comprising:

• providing a display stack configured to emit light through a top surface of the display stack;
• layering a first optically clear adhesive layer on a top surface of the display stack;
• layering a touch sensor having a matrix of capacitors formed by electrodes including metallic conductors positioned above the first adhesive layer;
• layering a second optically clear adhesive layer above the matrix of capacitors;
• layering a touch sheet above the second adhesive layer;
• wherein a distance between a top surface of the touch sheet and the top surface of the display stack is between about 225 and 1500 micrometers;
• and
• wherein the matrix of capacitors is configured to exhibit a change in capacitance of at least one of the capacitors in response to a touch on the top surface of the touch sheet of by a digit or stylus of a user.

A capacitive touch sensitive display device, comprising:

• a touch sheet with a top surface, the touch sheet being about 50 and 500 micrometers in thickness;
• a touch sensor having a matrix of capacitors formed electrodes including metallic conductors positioned below the touch sheet and configured to exhibit a change in capacitance of at least one of the capacitors in response to a touch on the top surface by a digit or stylus of a user, the touch sensor including a receive electrode layer including a plurality of receive electrodes arranged in rows, a transmit electrode layer including a plurality of transmit electrodes arranged in columns, and a dielectric layer positioned intermediate the receive electrode layer and transmit electrode layer, wherein respective capacitors are formed at intersecting regions between each electrode in the receive electrode layer and each electrode in the transmit electrode layer;
• an LCD display stack positioned below the matrix of capacitors and configured to emit light through a top surface of the LCD display stack, to travel in a light emitting direction through the matrix of capacitors and the touch sheet;
• and
• a first optically clear adhesive layer joining a bottom surface of the touch sensor to the top surface of the LCD display stack, the first optically clear adhesive layer being between about 25 and 200 micrometers in thickness;
• wherein a distance between the top surface of the touch sheet and the top surface of the LCD display stack is between about 300 and 1125 micrometers;
• and
• wherein the metallic conductors of the receive electrodes in the columns and the metallic conductors of the transmit electrodes in the rows in the matrix are spaced at a pitch of between 2 and 3.5 mm.