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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：US20220397999A1
公开(公告)日：2022-12-15
申请号：US17838685
申请日：2022-06-13
Applicant: Japan Display Inc.
Inventor： Makoto HAYASHI , Yuto KAKINOKI , Takaaki KONO
Abstract: An input detection system includes a display device with a detection function including a plurality of pixels, a plurality of drive electrodes, and a plurality of detection electrodes arrayed in a display region, an input device including 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, and a drive electrode scan circuit configured to supply a drive signal to the drive electrodes.
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公开(公告)号：US20220342506A1
公开(公告)日：2022-10-27
申请号：US17723738
申请日：2022-04-19
Applicant: Japan Display Inc.
Inventor： Makoto HAYASHI , Yuto KAKINOKI , Takaaki KONO
Abstract: An input detection system includes a display device with a detection function that includes a plurality of detection electrodes arrayed in a display region, an electronic apparatus case including an accommodation portion accommodating the display device with the detection function and a cover covering the display region of the display device with the detection function, and an input device that is mounted on the cover of the electronic apparatus case so as to rotate around a rotating axis extending in a normal direction to a surface of the cover and includes a first electrode and a second electrode facing the detection electrodes.
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公开(公告)号：US20220147191A1
公开(公告)日：2022-05-12
申请号：US17511940
申请日：2021-10-27
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI , Makoto HAYASHI , Takaaki KONO
Abstract: An input detection system includes a plurality of electrodes arrayed in a detection region, and an input support device including 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 a housing accommodating therein at least the LC circuit. The input support device is disposed overlapping with a plurality of the electrodes, the housing is a conductor, the LC circuit includes a first capacitor and a second capacitor coupled in series between the one end side and the other end side of the LC circuit, and a coupling portion between the first capacitor and the second capacitor is coupled to the housing.
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Patent Agency Ranking
公开(公告)号：US20220137727A1
公开(公告)日：2022-05-05
申请号：US17505816
申请日：2021-10-20
Applicant: Japan Display Inc.
Inventor： Takaaki KONO , Makoto HAYASHI , Yuto KAKINOKI
IPC: G06F3/0362 , G06F3/044 , G06F3/041
Abstract: An input detection system includes a detection device including a plurality of detection electrodes arrayed in a detection region, and an input support device including a first electrode, a second electrode provided so as to be movable on a concentric circle about a rotating axis overlapping with the first electrode, and a coupling portion that electrically couples the first electrode and the second electrode. A position of the rotating axis of the input support device is fixed to the detection region of the detection device, and a reference potential is supplied to the detection electrode corresponding to the first electrode and a drive signal is supplied to the detection electrode corresponding to the second electrode.
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公开(公告)号：US20250148824A1
公开(公告)日：2025-05-08
申请号：US19013266
申请日：2025-01-08
Applicant: Japan Display Inc.
Inventor： Akihiko FUJISAWA , Takaaki KONO
Abstract: A detection device includes a sensor circuit provided with a first photodiode in a semiconductor layer, and a signal detector configured to acquire a detection value corresponding to a signal output from the sensor circuit. The signal detector includes a first detection circuit coupled to one end of the first photodiode, a first switch circuit configured to apply a power supply potential to another end of the first photodiode, and a second switch circuit configured to short both ends of the first photodiode.
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公开(公告)号：US20230169788A1
公开(公告)日：2023-06-01
申请号：US17992048
申请日：2022-11-22
Applicant: Japan Display Inc.
Inventor： Takaaki KONO , Akihiko FUJISAWA
IPC: G06V40/13 , G06V10/145 , H04N25/78
CPC classification number: G06V40/1318 , G06V40/1329 , G06V10/145 , H04N25/78
Abstract: A detection device includes a sensor area provided with a plurality of detection elements each comprising a photoelectric conversion element in a detection area, and a detector configured to detect a potential difference between a voltage generated in a first detection element and a voltage generated in a second detection element adjacent to the first detection element in the detection area.
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公开(公告)号：US20220317819A1
公开(公告)日：2022-10-06
申请号：US17705932
申请日：2022-03-28
Applicant: Japan Display Inc.
Inventor： Takaaki KONO
IPC: G06F3/044
Abstract: A detecting device includes a plurality of drive electrodes extending in a first direction and arrayed in a second direction, a detection electrode facing the drive electrodes in a direction orthogonal to the first direction and the second direction, a drive circuit configured to supply a drive signal to the drive electrodes, and a detector configured to detect proximity of an object to a detection region provided with the detection electrode based on an output from the detection electrode generated according to capacitance generated between the drive electrodes and the detection electrode due to the drive signal.
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公开(公告)号：US20220113812A1
公开(公告)日：2022-04-14
申请号：US17496137
申请日：2021-10-07
Applicant: Japan Display Inc.
Inventor： Yuto KAKINOKI , Makoto HAYASHI , Takaaki KONO
Abstract: An input detection system includes a plurality of electrodes aligned in a detection region, a drive signal supply circuit configured to supply a drive signal to the electrodes, a detection circuit configured to detect signals from the electrodes, an input support device including an LC circuit and a first electrode and a second electrode coupled to the LC circuit and arranged so as to overlap with the electrodes, a first calculation circuit configured to detect the input support device based on an output signal output from the detection circuit, and a second calculation circuit configured to detect a detection target different from the input support device based on the output signal.
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