公开(公告)号：US20240302923A1

公开(公告)日：2024-09-12

申请号：US18434832

申请日：2024-02-07

Applicant: Sharp Display Technology Corporation

Inventor： Takuma YAMAMOTO ,  Takenori MARUYAMA ,  Shinji YAMAGISHI ,  Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0414

Abstract: Provided is a touch panel system including a touch panel and a controller. The controller includes a signal acquisition unit that acquires a signal value from a position detection electrode and acquires a signal value from a pressing force detection electrode, a position detection unit that detects a position of a pointer, based on a position signal value acquired by the signal acquisition unit, and a pressing force determination unit that determines a presence or absence of a pressing operation at a pointed position. The pressing force determination unit acquires a second derivative value of a pressing force value and determines the presence or absence of the pressing operation at the pointed position, based on the second derivative value.

公开(公告)号：US20240264687A1

公开(公告)日：2024-08-08

申请号：US18413377

申请日：2024-01-16

Applicant: Sharp Display Technology Corporation

Inventor： Takenori MARUYAMA ,  Shinji YAMAGISHI ,  Takuma YAMAMOTO ,  Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/041 ,  G06F1/16 ,  G06F3/02

CPC classification number: G06F3/0412 ,  G06F1/1607 ,  G06F3/0227

Abstract: An attachment is attachable to and detachable from a touch panel of an input device including the touch panel, and supports user operation on the input device by being attached to the touch panel. The attachment includes one or more operation units that receive user operation and transmit the user operation to a corresponding position of the touch panel when attached to the touch panel.

公开(公告)号：US20240231498A1

公开(公告)日：2024-07-11

申请号：US18522626

申请日：2023-11-29

Applicant: Sharp Display Technology Corporation

Inventor： Takuma YAMAMOTO ,  Yasuhiro SUGITA ,  Shinji YAMAGISHI

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/14

CPC classification number: G06F3/016 ,  G06F3/0416 ,  G06F3/14 ,  G06F3/04886

Abstract: A haptic touch panel display includes: a display panel; a touch panel disposed on an upper surface of the display panel or in the display panel; a back bezel configured to support a lower surface of the display panel; a plurality of actuators; and a plurality of rigid bodies disposed between the back bezel and the plurality of actuators, each of the plurality of rigid bodies being positioned between one of the plurality of actuators and the back bezel.

公开(公告)号：US20240028168A1

公开(公告)日：2024-01-25

申请号：US18219747

申请日：2023-07-10

Applicant: Sharp Display Technology Corporation

Inventor： Takenori MARUYAMA ,  Kazutoshi KIDA ,  Shinji YAMAGISHI ,  Takuma YAMAMOTO ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044

CPC classification number: G06F3/0443 ,  G06F3/0446 ,  G06F2203/04105

Abstract: A touch panel includes: a drive electrode supplied with a drive signal; a position detecting electrode detecting a position included in a touch surface and touched with a pointing object, and a pressure detecting electrode detecting pressure applied on the touch surface with the pointing object, the position detecting electrode and the pressure detecting electrode being disposed across the drive electrode from the touch surface; and a floating electrode having a floating potential. The position detecting electrode, the pressure detecting electrode, and the floating electrode are formed in a layer.

公开(公告)号：US20250138663A1

公开(公告)日：2025-05-01

申请号：US18890905

申请日：2024-09-20

Applicant: Sharp Display Technology Corporation

Inventor： Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Takenori MARUYAMA ,  Takuma YAMAMOTO ,  Shinji YAMAGISHI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/044

Abstract: A touch panel system includes a touch panel and a controller. The touch panel includes an active matrix substrate, a color filter substrate, and a liquid crystal layer located between the active matrix substrate and the color filter substrate. The active matrix substrate includes a drive electrode and a detection electrode. The drive electrode and the detection electrode are disposed on a surface of the active matrix substrate which faces the liquid crystal layer. The color filter substrate includes a conductor. The conductor is disposed on a surface of the color filter substrate which faces the liquid crystal layer. The controller is configured to supply a drive signal to the drive electrode and obtain a signal value from the detection electrode and to detect a pressing force applied to the touch panel by an indicator, based on the signal value obtained from the detection electrode.

公开(公告)号：US20230315233A1

公开(公告)日：2023-10-05

申请号：US18128214

申请日：2023-03-29

Applicant: Sharp Display Technology Corporation

Inventor： Takenori MARUYAMA ,  Kazutoshi KIDA ,  Shinji YAMAGISHI ,  Takuma YAMAMOTO ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0445 ,  G06F3/0446 ,  G06F2203/04105 ,  G06F2203/04107

Abstract: A touch panel system includes a capacitive touch panel and a controller that controls the touch panel. The touch panel includes a plurality of drive electrodes and a plurality of floating island electrodes located on a first substrate and a plurality of pressure detection electrodes and a plurality of position detection electrodes located on a second substrate. The controller provides a drive signal to the drive electrodes and corrects a pressure detection signal obtained from each of the pressure detection electrodes by using a position detection signal obtained from the position detection electrode.

公开(公告)号：US20230073370A1

公开(公告)日：2023-03-09

申请号：US17903744

申请日：2022-09-06

Applicant: Sharp Display Technology Corporation

Inventor： Takuma YAMAMOTO ,  Takenori MARUYAMA ,  Shinji YAMAGISHI ,  Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044 ,  G06F3/041

Abstract: A touch panel includes a transmission electrode layer that includes a transmission electrode to which a drive signal is supplied, a reception electrode layer that includes a position detection electrode and a pressing force detection electrode that form capacitance between the transmission electrode layer and themselves, in accordance with the capacitance, at least one of touching and pressing force is detected. The touch panel further includes a pressure-sensitive layer interposed between the transmission electrode layer and the reception electrode layer. The pressure-sensitive layer includes a first dielectric layer of which dielectric constant exhibits negative temperature properties in a predetermined temperature range, and a second dielectric layer of which dielectric constant exhibits positive temperature properties in the predetermined temperature range.

公开(公告)号：US20240272737A1

公开(公告)日：2024-08-15

申请号：US18414625

申请日：2024-01-17

Applicant: Sharp Display Technology Corporation

Inventor： Takenori MARUYAMA ,  Shinji YAMAGISHI ,  Takuma YAMAMOTO ,  Kazutoshi KIDA ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0446 ,  G06F2203/04105

Abstract: A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressure detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire a signal value from each of the position detection electrode and the pressure detection electrode. The controller is configured to detect a touch range by a pointer based on the signal value obtained from the position detection electrode, determine a pressure detection range corresponding to the touch range, of the signal value obtained from the pressure detection electrode, and calculate a magnitude of a pressure by the pointer based on the signal value in the pressure detection range.

公开(公告)号：US20230205386A1

公开(公告)日：2023-06-29

申请号：US18079776

申请日：2022-12-12

Applicant: Sharp Display Technology Corporation

Inventor： Shinji YAMAGISHI ,  Takenori MARUYAMA ,  Kazutoshi KIDA ,  Takuma YAMAMOTO ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044

CPC classification number: G06F3/0448 ,  G06F2203/04105 ,  G06F2203/04107 ,  G06F3/0443

Abstract: A touch panel system includes a touch panel, a cover member overlapping the touch panel, and a controller. The controller includes a position detection unit configured to detect a position of a pointer, based on a signal value obtained from a position detection electrode, an amplification processing unit configured to perform amplification processing on at least one signal value in a pressing force detection range corresponding to the position of the pointer detected by the position detection unit among signal values obtained from a pressing force detection electrode, and a pressing force detection unit configured to calculate magnitude of a pressing force generated by the pointer, based on a signal value after the amplification processing being a signal value in the pressing force detection range including a signal value obtained by amplification by the amplification processing unit.

公开(公告)号：US20230096398A1

公开(公告)日：2023-03-30

申请号：US17947103

申请日：2022-09-17

Applicant: Sharp Display Technology Corporation

Inventor： Takenori MARUYAMA ,  Kazutoshi KIDA ,  Shinji YAMAGISHI ,  Takuma YAMAMOTO ,  Yasuhiro SUGITA ,  Hiroshi FUKUSHIMA

IPC: G06F3/044 ,  G06F3/041

Abstract: A touch panel include a cover member, a drive electrode, a pressure detecting electrode, and a position detecting electrode. The pressure detecting electrode and the position detecting electrode are alternately arranged in a first direction. The pressure detecting electrode includes a plurality of pressure detecting sections, arranged side by side in a second direction orthogonal to the first direction, that each independently detect a pressure. The position detecting electrode includes a plurality of position detecting sections, arranged side by side in the second direction, that each independently detect a touched position. The area of a pressure detecting section is larger than the area of a position detecting section.