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公开(公告)号：US11567585B2
公开(公告)日：2023-01-31
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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公开(公告)号：US11650677B2
公开(公告)日：2023-05-16
申请号：US17850345
申请日：2022-06-27
Applicant: Japan Display Inc.
Inventor： Yuto Kakinoki , Makoto Hayashi , Takaaki Kono , Takayuki Nakanishi
IPC: G06F3/0362 , G06F3/044
CPC classification number: G06F3/0362 , G06F3/0443
Abstract: An input detection system includes a detection device including a plurality of drive electrodes and a plurality of detection electrodes arrayed in a detection region, and a drive electrode scan circuit configured to supply a drive signal to the drive electrodes, and 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. The drive electrode scan circuit supplies the drive signal to at least equal to or more than one of the drive electrodes and supplies, to the others of the drive electrodes, an opposite phase signal as a drive signal having an opposite phase to a phase of the drive signal.
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公开(公告)号：US11620025B2
公开(公告)日：2023-04-04
申请号：US17497070
申请日：2021-10-08
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 the LC circuit and arranged so as to overlap with at least equal to or more than one of the electrodes, and a housing accommodating therein at least the LC circuit. The housing is a conductor, and one end side of the LC circuit is coupled to the housing through a coupling member or a capacitor and another end side of the LC circuit is coupled to the first electrode.
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公开(公告)号：US11614838B2
公开(公告)日：2023-03-28
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：US11543917B2
公开(公告)日：2023-01-03
申请号：US17344437
申请日：2021-06-10
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Yoshio Owaki
Abstract: An object of the present disclosure is to provide a display device that enables the prevention of forming a ghost even though a water droplet is attached. A display device includes a display panel having a semiconductor device disposed at an end portion of an array substrate, and a translucent cover member covering the display panel. The display panel includes a plurality of drive electrodes that detect an external proximity object, and a conductive layer between the translucent cover member and the semiconductor device. At least a part of the conductive layer overlaps with at least a part of the semiconductor device in a planar view.
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Patent Agency Ranking
公开(公告)号：US12008196B2
公开(公告)日：2024-06-11
申请号：US17838685
申请日：2022-06-13
Applicant: Japan Display Inc.
Inventor： Makoto Hayashi , Yuto Kakinoki , Takaaki Kono
CPC classification number: G06F3/04166 , G06F3/0412 , G06F3/0446
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：US11868550B2
公开(公告)日：2024-01-09
申请号：US17505816
申请日：2021-10-20
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Makoto Hayashi , Yuto Kakinoki
IPC: G06F3/041 , G06F3/044 , G06F3/0362
CPC classification number: G06F3/0362 , G06F3/0416 , G06F3/0443 , G06F3/0448
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：US11804066B2
公开(公告)日：2023-10-31
申请号：US17969025
申请日：2022-10-19
Applicant: Japan Display Inc.
Inventor： Akihiko Fujisawa , Takaaki Kono
CPC classification number: G06V40/1318
Abstract: A detection device includes a plurality of detection elements arranged in a matrix having a row-column configuration in a detection area of a substrate, and an initialization circuit configured to apply an initialization potential to each of the detection elements. The initialization circuit has a first mode to apply a same initialization potential to all the detection elements and a second mode to apply different initialization potentials to the detection elements adjacent to each other.
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公开(公告)号：US11650703B2
公开(公告)日：2023-05-16
申请号：US15930717
申请日：2020-05-13
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Yoshio Owaki , Makoto Hayashi , Hiroyuki Miyake
CPC classification number: G06F3/0445 , G06F3/0416 , G06F3/0448 , G06F2203/0382 , G06F2203/04101 , G06F2203/04108
Abstract: An object of the present invention is to provide a technique for providing a detection function of detecting that an external approaching object approaches a sensor region of a touch sensor, without increasing an area of the touch sensor and making a circuit complex. According to an aspect, a display device includes a first detection electrode that detects a position of an external approaching object within a detection surface, and plural second detection electrodes that detect that the external approaching object approaches the detection surface. The second detection electrodes extend in a second direction and are arranged in a first direction intersecting the second direction. The second detection electrodes overlap the first detection electrode in a plan view.
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公开(公告)号：US11861932B2
公开(公告)日：2024-01-02
申请号：US17992048
申请日：2022-11-22
Applicant: Japan Display Inc.
Inventor： Takaaki Kono , Akihiko Fujisawa
IPC: G06V40/13 , H04N25/78 , G06V10/145
CPC classification number: G06V40/1318 , G06V10/145 , G06V40/1329 , 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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