Patent ID: 9542023
Date: 2017-01-10
CPC Classifications: G02F,G06F

Claim:
1. An input device comprising: a display device configured to sense input objects; a plurality of sensor electrodes disposed in a first layer of a stack, wherein each of the plurality of sensor electrodes comprises at least one common electrode of the display device that is configured for display updating and capacitive sensing; a plurality of sub-pixels corresponding to a display line of the display device; a plurality of gate lines, wherein a first gate line of the plurality of gate lines is coupled to a first subset of the plurality of sub-pixels in the display line and a second gate line of the plurality of gate lines is coupled to a second subset of the plurality of sub-pixels in the display line; a plurality of conductive routing traces disposed in a second layer of the stack, wherein each of the plurality of routing traces couples to only one of the plurality of sensor electrodes in the first layer; a plurality of source lines disposed in the second layer of the stack, the plurality of source lines is coupled to the plurality of sub-pixels; and a processing system coupled to the plurality of conductive routing traces, the processing system is configured to perform absolute capacitive sensing using the plurality of sensor electrodes, wherein a first sensor electrode of the plurality of sensor electrodes is coupled to a first conductive routing trace of the plurality of conductive routing traces, wherein the first conductive routing trace is selectively coupled to a driver module and a receiver module of the processing system.