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    DETECTION DEVICE
    11.
    发明公开
    DETECTION DEVICE 审中-公开

    公开(公告)号：US20230297198A1

    公开(公告)日：2023-09-21

    申请号：US18108389

    申请日：2023-02-10

    Applicant: Japan Display Inc.

    Inventor： Hiroshi YAMAGUCHI ,  Naoki TAKADA

    IPC: G06F3/044

    CPC classification number: G06F3/0446 ,  G06F3/0443 ,  G06F3/0448 ,  G06F3/04166

    Abstract: A detection device includes a plurality of first detection electrodes disposed in a matrix of rows and columns in a detection region of a substrate, at least one second detection electrode disposed in a peripheral region outside the detection region, positioned adjacent to some of the plurality of the first detection electrodes, and provided along a side of the detection region, and a coordinate calculation circuit configured to calculate a detection position of a detection target body.

    SENSOR DEVICE
    12.
    发明申请
    SENSOR DEVICE 有权

    公开(公告)号：US20230004248A1

    公开(公告)日：2023-01-05

    申请号：US17940169

    申请日：2022-09-08

    Applicant: Japan Display Inc.

    Inventor： Hayato KURASAWA ,  Toshihiko TANAKA ,  Naoki TAKADA ,  Chihiro TANAKA ,  Koji ISHIZAKI

    IPC: G06F3/041 ,  G02F1/1343 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/133

    Abstract: A sensor device is provided and includes detection electrodes each having a mesh shape; and lead lines each including a first part and a second part, wherein the detection electrodes are connected to the lead linens, respectively, the first part has a first end and a second end opposed to the first end, and extends in a first direction, the second part extends in a second direction different from the first direction, the first part is connected to a corresponding one of the detection electrodes at the first end and connected to the second part at the second end, and a width of the first part is different from a width of the second part.

    SENSOR DEVICE
    13.
    发明申请
    SENSOR DEVICE 有权

    公开(公告)号：US20220283689A1

    公开(公告)日：2022-09-08

    申请号：US17825791

    申请日：2022-05-26

    Applicant: Japan Display Inc.

    Inventor： Naoki TAKADA ,  Hiroshi YAMAGUCHI ,  Kisho YAMAMOTO

    IPC: G06F3/041 ,  G06F3/044

    Abstract: According to one embodiment, a sensor device includes a panel and a control circuit. The panel includes an insulating layer, a first electrode, and a second electrode. The control circuit including a first circuit including a timing control circuit and a first amplifier, and a second circuit including a detection circuit connected to a floating ground line. During a first sensing drive period, the first output unit outputs a first synchronization signal, the timing control circuit outputs a second synchronization signal, the first amplifier provides the amplified second synchronization signal to each of the floating ground line and the first electrode, and the detector reads a change in a sensor signal.

    DETECTING DEVICE AND DISPLAY DEVICE
    15.
    发明申请
    DETECTING DEVICE AND DISPLAY DEVICE 有权

    公开(公告)号：US20220187975A1

    公开(公告)日：2022-06-16

    申请号：US17684627

    申请日：2022-03-02

    Applicant: Japan Display Inc.

    Inventor： Akihiko FUJISAWA ,  Naoki TAKADA ,  Kisho YAMAMOTO

    IPC: G06F3/041 ,  G06F3/044

    Abstract: A detecting device includes a plurality of first electrodes arrayed in a first direction and a second direction intersecting the first direction in a detection region, an electrode drive circuit configured to supply a drive signal to the first electrodes, a detection circuit configured to detect a detection signal received from the first electrodes, and a coupling circuit configured to couple part of the first electrodes to the detection circuit as a detection electrode and couple the first electrodes disposed side by side with the detection electrode in at least the first direction and the second direction to the electrode drive circuit as a drive electrode in a first detection period.

    DISPLAY DEVICE
    16.
    发明申请
    DISPLAY DEVICE 有权

    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.

    TOUCH PANEL DRIVING CIRCUIT
    19.
    发明申请
    TOUCH PANEL DRIVING CIRCUIT 有权

    公开(公告)号：US20210055833A1

    公开(公告)日：2021-02-25

    申请号：US17089971

    申请日：2020-11-05

    Applicant: Japan Display Inc.

    Inventor： Toshihiko TANAKA ,  Naoki TAKADA ,  Chihiro TANAKA

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A touch panel driving circuit is provided and includes a plurality of output circuits each outputting a driving signal, respectively; a power supply line connected to a power of the plurality of output circuits; a power supply circuit; and a resistor element that is provided in common for the plurality of output circuits and is different from a resistance of the power supply line, wherein the power of the plurality of output circuits is connected to the power supply circuit through the resistor element and the power supply line.

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