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

IPC: G06F3/02 ,  G06F3/044

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.

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.

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

IPC: G06F3/044 ,  G06F3/041

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.

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

IPC: G06F3/044 ,  G06F3/041 ,  G06F1/16 ,  G09G3/00

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.

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

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36

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.

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.

公开(公告)号：US11734947B2

公开(公告)日：2023-08-22

申请号：US17993061

申请日：2022-11-23

Applicant: Japan Display Inc.

Inventor： Takaaki Kono

IPC: G06V40/13

CPC classification number: G06V40/1318

Abstract: A detection device includes a sensor area in which a plurality of detection elements including photoelectric conversion elements are arranged in a matrix having a row-column configuration within a detection region, and a detector configured to calculate a detection value corresponding to the detection elements based on a voltage generated in the detection elements.

公开(公告)号：US11726628B2

公开(公告)日：2023-08-15

申请号：US17705894

申请日：2022-03-28

Applicant: Japan Display Inc.

Inventor： Takaaki Kono ,  Toshinori Uehara

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0445 ,  G06F3/04166

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.

公开(公告)号：US11487385B1

公开(公告)日：2022-11-01

申请号：US17723712

申请日：2022-04-19

Applicant: Japan Display Inc.

Inventor： Yuto Kakinoki ,  Takaaki Kono ,  Makoto Hayashi

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/039 ,  G06F3/0362 ,  G06F3/02

Abstract: An input detection system includes a detection device including a plurality of sensor electrodes arrayed in a detection region, an input support device including an LC circuit, a first electrode coupled to one end side of the LC circuit, and a second electrode coupled to another end side of the LC circuit, and a control circuit including a drive signal supply circuit supplying a drive signal to the sensor electrodes and an adjustment circuit coupled to the sensor electrodes. The adjustment circuit adjusts a circuit constant that is added to a capacitance between the sensor electrode and the first electrode or the second electrode facing the sensor electrode.

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

IPC: G06F3/041 ,  G06F3/044

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.