MULTI-SENSOR TOUCH INTEGRATED DISPLAY DRIVER CONFIGURATION FOR CAPACITIVE SENSING DEVICES
First Claim
1. An integrated control system for use in an integrated input device comprising a display device integrated with a sensing device, the control system comprising:
- an integrated controller comprising;
display circuitry coupled to a plurality of source driver output pads, wherein the source driver output pads are configured to transfer a display updating signal to a display within the input device; and
capacitive sensing circuitry coupled to a plurality of capacitive sensing pads that are configured to transfer capacitive sensing signals during a capacitive sensing operation performed by the input device,wherein each of the plurality of capacitive sensing pads and the driver output pads are arranged in an order in a first direction, and the order includes at least one of the plurality of capacitive sensing pads that is disposed between two source driver output pads.
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Accused Products
Abstract
Embodiments of the disclosure generally provide an integrated control system having an integrated controller that is configured to provide both display updating signals to a display device and a capacitive sensing signal to a sensor electrode that is disposed within the integrated input device. The internal and/or external signal routing configurations described herein can be adapted to reduce signal routing complexity typically found in conventional devices and reduce the effect of electrical interference created by the capacitive coupling formed between the display routing, capacitive sensing routing and/or other components within the integrated control system. Embodiments can also be used to reduce electromagnetic interference (EMI) on the display and touch sensing signals received, transmitted and processed within the integrated control system.
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Citations
21 Claims
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1. An integrated control system for use in an integrated input device comprising a display device integrated with a sensing device, the control system comprising:
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an integrated controller comprising; display circuitry coupled to a plurality of source driver output pads, wherein the source driver output pads are configured to transfer a display updating signal to a display within the input device; and capacitive sensing circuitry coupled to a plurality of capacitive sensing pads that are configured to transfer capacitive sensing signals during a capacitive sensing operation performed by the input device, wherein each of the plurality of capacitive sensing pads and the driver output pads are arranged in an order in a first direction, and the order includes at least one of the plurality of capacitive sensing pads that is disposed between two source driver output pads. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An input device comprising:
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a plurality of sensor electrodes disposed in an array on a surface of a first layer of an integrated input device; and an integrated controller coupled to the plurality of sensor electrodes via a plurality of conductive routing wires in a second layer of the integrated input device, the integrated controller further comprising; a display circuitry coupled to a plurality of source driver output pads, wherein the source driver output pads are coupled to display updating components within the integrated input device via a plurality of conductive routing wires in the second layer; and a capacitive sensing circuitry coupled to a plurality of capacitive sensing pads that are configured to transfer capacitive sensing signals to the plurality of sensor electrodes during a capacitive sensing operation performed by the input device, wherein each of the plurality of capacitive sensing pads and the plurality of source driver output pads are arranged in an order in a first direction, and the order includes at least one of the plurality of capacitive sensing pads that is disposed between two source driver output pads. - View Dependent Claims (19, 20, 21)
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Specification