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公开(公告)号：US20210263362A1
公开(公告)日：2021-08-26
申请号：US17317970
申请日：2021-05-12
Applicant: Japan Display Inc.
Inventor： Naoki TAKADA , Takayuki NAKANISHI , Yuto KAKINOKI
IPC: G02F1/1333 , G02F1/1368 , G02F1/1362 , G01L1/22
Abstract: According to an aspect, a display device includes: a display region in which a plurality of pixels are arrayed in a row direction and a column direction; gate lines each of which is configured to supply gate signals to the pixels aligned in the row direction; signal lines each of which is configured to supply pixel signals to the pixels aligned in the column direction; at least one first semiconductor force sensor provided in the display region; at least one second semiconductor force sensor provided in a frame region outside the display region; and a detection circuit that detects force applied to the display region based on a middle-point voltage between the first semiconductor force sensor and the second semiconductor force sensor.
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公开(公告)号：US20230384893A1
公开(公告)日：2023-11-30
申请号：US18143186
申请日：2023-05-04
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI , Hirofumi NAKAGAWA
CPC classification number: G06F3/04186 , G06F3/0443
Abstract: Provided is a sensor module including a plurality of sensor electrodes, a plurality of sensor wirings, a plurality of auxiliary electrodes, and a driver circuit. The plurality of sensor electrodes is arranged in a matrix having first to mth rows and first to nth columns. The plurality of sensor wirings is respectively connected to the plurality of sensor electrodes. The plurality of auxiliary electrodes is respectively connected to the plurality of sensor electrodes and extends from the plurality of sensor electrodes in a direction opposite to the direction in which the plurality of sensor wirings extends from the plurality of sensor electrodes. The driver circuit is connected to the plurality of sensor wirings and is configured to obtain sensor values of the plurality of sensor electrodes on the basis of potential fluctuations of the plurality of sensor electrodes.
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公开(公告)号：US20230004254A1
公开(公告)日：2023-01-05
申请号：US17941543
申请日：2022-09-09
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI
Abstract: An input detection system includes a plurality of drive electrodes arrayed in a detection region, a drive signal supply circuit that supplies a drive signal to the drive electrodes, a storage circuit that stores therein a table having information about a correction value for a drive frequency of the drive signal, a correction value selection circuit that selects the correction value for the drive frequency on the basis of the table, and an input support device that includes an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to the other end side of the LC circuit.
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公开(公告)号：US20220137722A1
公开(公告)日：2022-05-05
申请号：US17516128
申请日：2021-11-01
Applicant: Japan Display Inc.
Inventor： Makoto HAYASHI , Yuto KAKINOKI , Takaaki KONO
IPC: G06F3/038 , H03K17/96 , G06F3/044 , G06F3/0362 , G06F3/039
Abstract: An input support device arranged above a detection device including a plurality of electrodes, the input support device comprising: an LC circuit; a first electrode coupled to one end side of the LC circuit; a second electrode coupled to another end side of the LC circuit, and an adjustment circuit coupled to the LC circuit and configured to adjust circuit characteristics of the LC circuit.
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公开(公告)号：US20220066597A1
公开(公告)日：2022-03-03
申请号：US17522102
申请日：2021-11-09
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI , Naoki TAKADA
IPC: G06F3/044 , G06F3/0362 , G06F3/02 , G06F3/046
Abstract: According to one embodiment, a sensor device includes a touch panel, an input device configured such that a resonant circuit including first and second conductive materials, a magnetic field generation source disposed at a position overlapping the touch panel, and a sensor controller. Each of the first and second conductive materials is capacitively coupled to at least one of a plurality of electrodes included in the touch panel. The resonant circuit is electromagnetically coupled to the magnetic field generation source so as to resonate based on a magnetic field. The sensor controller detects positions of the first and second conductive materials on the touch panel by applying a voltage to each of the plurality of electrodes.
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Patent Agency Ranking
公开(公告)号：US20210311532A1
公开(公告)日：2021-10-07
申请号：US17304405
申请日：2021-06-21
Applicant: Japan Display Inc.
Inventor： Takayuki NAKANISHI , Naoki TAKADA , Yuto KAKINOKI
Abstract: Included are at least one first semiconductor resistance element overlapping with one of the spacers and provided as the same layer as the semiconductor layer of the pixel transistors, at least one second semiconductor resistance element provided as the same layer as the semiconductor layer of the pixel transistors and not overlapping with any of the spacers, and a detection circuit detecting a force applied to the display region based on a midpoint voltage between the first semiconductor resistance element and the second semiconductor resistance element, and a resistance value of the second semiconductor resistance element is equivalent to a resistance value of the first semiconductor resistance element when no force is applied.
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公开(公告)号：US20190102008A1
公开(公告)日：2019-04-04
申请号：US16142908
申请日：2018-09-26
Applicant: Japan Display Inc.
Inventor： Naoki TAKADA , Yuto KAKINOKI
Abstract: According to an aspect, a display device with a touch detection function includes a touch detection electrode, a first electrode, a second electrode, a touch detection controller detecting contact with or proximity to an input surface by a detection target object, and a force detection controller calculating a force detection value. The force detection controller corrects the force detection value based on a first capacitance value between the first electrode and the touch detection electrode while the detection target object is neither in contact with nor in proximity to the input surface and a second capacitance value between the first electrode and the touch detection electrode at a position at which the detection target object is neither in contact with nor in proximity to the input surface while the detection target object applies the force to the input surface.
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公开(公告)号：US20240319820A1
公开(公告)日：2024-09-26
申请号：US18581855
申请日：2024-02-20
Applicant: Japan Display Inc.
Inventor： Takayuki NAKANISHI , Yuto KAKINOKI , Tadashi HANEGI
IPC: G06F3/041
CPC classification number: G06F3/0418 , G06F2203/04108
Abstract: A sensor system according to an embodiment includes: a noncontact sensor module arranged on a display module; and a processor configured to drive the sensor module, wherein the sensor module is configured to detect a first coordinate and a second coordinate of a detection target, the second coordinate is detected before the first coordinate is detected, the processor is configured to calculate move information indicating a moving direction of the detection target in the first coordinate based on the first coordinate and the second coordinate detected by the sensor module, and calculate a correction amount in the first coordinate based on the move information when the detection target approaches the sensor module and a distance between the sensor module and the detection target reaches a correction start distance.
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公开(公告)号：US20240192816A1
公开(公告)日：2024-06-13
申请号：US18504855
申请日：2023-11-08
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI
IPC: G06F3/044 , G02F1/1333
CPC classification number: G06F3/0446 , G02F1/13338
Abstract: Disclosed is a sensor module including a first substrate having an insulating property, a plurality of sensor electrodes over the first substrate, a second substrate having an insulating property over the plurality of sensor electrodes, at least one charge-dispersing film over the second substrate, and a third substrate over the at least one charge-dispersing film. The at least one charge-dispersing film may consist of one charge-dispersing film overlapping all of the plurality of sensor electrodes.
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公开(公告)号：US20230376119A1
公开(公告)日：2023-11-23
申请号：US18198385
申请日：2023-05-17
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI
CPC classification number: G06F3/017 , G06F3/0446 , G06F3/0412 , G06F2203/04101
Abstract: A detecting device includes a sensor unit having a detection region in which a plurality of electrodes are arrayed, and a detector configured to detect a gesture corresponding to movement of an object to be detected in a space on the detection region based on a detected value of each of the electrodes.
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