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公开(公告)号：US10831323B2
公开(公告)日：2020-11-10
申请号：US16036018
申请日：2018-07-16
Applicant: Synaptics Incorporated
Inventor： Eric Scott Bohannon , Steve Chikin Lo , Petr Shepelev
Abstract: An input device includes a plurality of sensor electrodes and a processing system that is operable in at least a first mode or a second mode. The processing system is configured to receive an input current from a pair of the sensor electrodes. When operating the first mode, the processing system is configured to measure a capacitance across the pair of sensor electrodes based on the received input current. When operating the second mode, the processing system is configured to measure a resistance between the pair of sensor electrodes based on the received input current.
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公开(公告)号：US10719159B2
公开(公告)日：2020-07-21
申请号：US15906892
申请日：2018-02-27
Applicant: Synaptics Incorporated
Inventor： Petr Shepelev , Kurth Reynolds
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G06F3/0488 , G06F3/0487
Abstract: A processing system includes a sensor module and a determination module. The sensor module is configured to perform a capacitive scan using electrodes disposed in a display device in a first area. The determination module is configured to determine, using the capacitive scan, a bending response of an input surface covering the first area and a second area. The bending response results from an input force being applied to the input surface in the second area. The determination module is further configured to determine, using the bending response, a force estimate of the input force, and determine, based on the force estimate, whether to perform an interface action.
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公开(公告)号：US20200150811A1
公开(公告)日：2020-05-14
申请号：US16745649
申请日：2020-01-17
Applicant: Synaptics Incorporated
Inventor： Petr Shepelev , Eric Bohannon
Abstract: An input device may include various sensor electrodes that define various sensor pixels. The input device may further include a processing system coupled to the sensor electrodes. The processing system may obtain a first resulting signal and a second resulting signal from the sensor electrodes. The processing system may determine, using the first resulting signal, an in-phase estimate of a phase delay at a sensor pixel among the sensor pixels. The processing system may determine, using the second resulting signal, a quadrature estimate of the phase delay at the sensor pixel. The processing system may determine, based at least in part on the in-phase estimate and the quadrature estimate, a phase baseline estimate of the sensor pixels.
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公开(公告)号：US10592022B2
公开(公告)日：2020-03-17
申请号：US14983230
申请日：2015-12-29
Applicant: SYNAPTICS INCORPORATED
Inventor： Petr Shepelev
Abstract: Embodiments described herein include a method, processing system, and input device having a display device with an integrated sensing device. The method comprises selecting, using first gate driver circuitry, a first subset of a first plurality of gate electrodes of the display device for performing display updating during a first period. The method further comprises selecting, using second gate driver circuitry, a first subset of a second plurality of gate electrodes of the display device for display updating during a second period. The method further comprises operating, during a third period between the first and second periods, at least a first sensor electrode of a plurality of sensor electrodes for capacitive sensing.
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公开(公告)号：US20190302951A1
公开(公告)日：2019-10-03
申请号：US15936787
申请日：2018-03-27
Applicant: Synaptics Incorporated
Inventor： Petr Shepelev , Joseph Kurth Reynolds
IPC: G06F3/041 , G06F3/044 , G02F1/1333
Abstract: A method may include determining a display control signal for a display pixel in a display device. The method may further include determining a capacitive sensing control signal that corresponds to a capacitive scan for a sensing region. The capacitive scan may detect a location of an input object in a sensing region using various sensing elements disposed in the display device. The method may further include generating a multiplexed signal that includes the display control signal and the capacitive sensing control signal. The multiplexed signal may cause, using a demultiplexer disposed in the display device, the display device to perform the capacitive scan and update the display pixel.
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Patent Agency Ranking
公开(公告)号：US10261626B2
公开(公告)日：2019-04-16
申请号：US15621713
申请日：2017-06-13
Applicant: SYNAPTICS INCORPORATED
Inventor： Petr Shepelev
Abstract: An example method of driving a display having a touch sensor includes: generating a plurality of display frames having an alternating sequence of display and blanking periods; supplying pixel line data to the display during the display periods and sensing signals to the touch sensor during the blanking periods; and timing the blanking periods so that display frames of a first type each have a first number of the blanking periods and that display frames of a second type each have a second number of the blanking periods, the second number less than the first number.
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公开(公告)号：US10175827B2
公开(公告)日：2019-01-08
申请号：US14581683
申请日：2014-12-23
Applicant: Synaptics Incorporated
Inventor： Petr Shepelev , Adam Schwartz
IPC: G06F3/0354 , G06F3/044
Abstract: In an example, a processing system for an integrated display and capacitive sensing device includes a sensor module and a determination module. The sensor module includes sensor circuitry configured to be coupled to a plurality of sensor electrodes. The sensor module is configured to receive an active pen signal with at least one sensor electrode of the plurality the sensor electrodes. The determination module is configured to adjust a sensing period of the sensor module for alignment with a transmission period of the active pen signal.
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公开(公告)号：US10133421B2
公开(公告)日：2018-11-20
申请号：US14674037
申请日：2015-03-31
Applicant: Synaptics Incorporated
Inventor： Petr Shepelev
Abstract: Capacitive sensing devices that provide short settling time and fast response without creating undesirable visual effects are disclosed herein. In one embodiment, the capacitive sensing device includes a pixel layer stacked with a conductive sensor layer and a metal interconnect layer. The conductive sensor layer has a plurality of sensor electrodes, each of which includes one or more common electrodes. The plurality of sensor electrodes has an areal extent in which an active area of the sensor electrodes is configured to detect input events. The metal interconnect layer is disposed in the active area and includes routing traces. The routing traces are coupled to the plurality of sensor electrodes and extend from within a first region defined by the areal extent of the plurality of sensor electrodes to a second region outward of the areal extent of the plurality of sensor electrodes.
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公开(公告)号：US10088951B2
公开(公告)日：2018-10-02
申请号：US14750721
申请日：2015-06-25
Applicant: SYNAPTICS INCORPORATED
Inventor： Petr Shepelev , Christopher A. Ludden , Jeffrey Lukanc , Stephen L. Morein , Greg P. Semeraro , Joseph Kurth Reynolds
Abstract: Embodiments described herein include an input device, a display device having a capacitive sensing device, a processing system and a method for detecting presence of an input object using a capacitive sensing device. In one embodiment, an input device includes a plurality of sensor electrodes arranged in a planar matrix array. Each sensor electrode is coupled to unique routing trace and has an identical geometric plan form that is symmetrical about a center of area of the sensor electrode. The geometric plan form of each sensor electrode includes core and a plurality of protrusions extending outward from the core. The protrusions are configured to overlap with protrusions extending outward from each adjacent sensor electrode of the matrix array.
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公开(公告)号：US10061428B2
公开(公告)日：2018-08-28
申请号：US15199307
申请日：2016-06-30
Applicant: SYNAPTICS INCORPORATED
Inventor： Petr Shepelev , Byunghwee Park
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1368 , G02F1/1335
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G02F1/1368 , G02F2201/07 , G02F2202/28 , G06F3/0412 , G06F3/0414 , G06F3/044 , G06F2203/04101 , G06F2203/04102 , G06F2203/04103 , G06F2203/04105
Abstract: The input devices described herein include force sensor electrodes that use capacitive sensing to measure the force with which an input object (e.g., a finger or stylus) presses down on the input device. To measure this force, the input device includes a compressible layer disposed between a backlight of a display in the input device and a cover window of the display. In one embodiment, the compressible layer is disposed between the backlight and a transparent thin-film transistor (TFT) layer in the display. In one embodiment, the compressible layer includes an air gap which has a thickness defined by adhesive material disposed on at least two edges of the display.
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