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    Display device, method of driving display device, and electronic apparatus
    34.
    发明授权
    Display device, method of driving display device, and electronic apparatus 有权
    显示装置，驱动显示装置的方法和电子装置

    公开(公告)号：US09256320B2

    公开(公告)日：2016-02-09

    申请号：US14167069

    申请日：2014-01-29

    Applicant: Japan Display Inc.

    Inventor： Tadayoshi Katsuta

    IPC: G09G5/00 ,  G06F3/041 ,  G09G3/36 ,  G06F3/044

    CPC classification number: G09G3/3648 ,  G06F3/0418 ,  G06F3/044 ,  G09G3/3611 ,  G09G2300/0426 ,  G09G2310/08

    Abstract: According to an aspect, a display device includes: a display region in which a plurality of pixels are arranged in a matrix; a plurality of signal lines that extend in a second direction in the display region; a vertical drive circuit that is coupled to first ends of the scanning lines and applies a vertical scanning pulse to the first ends to select each row of the pixels in the display region; a horizontal drive circuit that performs a display operation of supplying an image signal to each of the pixels in the row selected by the vertical drive circuit through the signal lines; and a plurality of switches that are coupled to second ends of the scanning lines respectively. Each of the switches supplies the same potential as that supplied to the first ends by the vertical drive circuit to the second end corresponding thereto in an idle period.

    Abstract translation: 根据一个方面，一种显示装置包括：多个像素排列成矩阵的显示区域; 多个信号线，其在所述显示区域中沿第二方向延伸; 垂直驱动电路，其耦合到扫描线的第一端，并向第一端施加垂直扫描脉冲，以选择显示区域中的每一行像素; 水平驱动电路，其通过信号线执行向由垂直驱动电路选择的行中的每个像素提供图像信号的显示操作; 以及分别耦合到扫描线的第二端的多个开关。 每个开关提供与通过垂直驱动电路提供给第一端的电位相同的电位到与空闲时段相对应的第二端。

    DISPLAY DEVICE PROVIDED WITH SENSOR AND METHOD OF DRIVING THE SAME
    35.
    发明申请
    DISPLAY DEVICE PROVIDED WITH SENSOR AND METHOD OF DRIVING THE SAME 有权
    用传感器提供的显示装置及其驱动方法

    公开(公告)号：US20150355765A1

    公开(公告)日：2015-12-10

    申请号：US14729515

    申请日：2015-06-03

    Applicant: Japan Display, Inc.

    Inventor： Toshiaki FUKUSHIMA ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Gen Koide ,  Tadayoshi Katsuta

    IPC: G06F3/041 ,  G06F3/0488 ,  G06F3/045 ,  G09G3/36 ,  G06F3/044 ,  G06F3/047

    CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G09G3/3655 ,  G09G3/3666 ,  G09G2300/0876 ,  G09G2310/0286

    Abstract: According to one embodiment, a display device provided with a sensor, includes a plurality of electrodes for a touch sensor, which comprise a plurality of drive electrodes and a plurality of detection electrodes, and a display panel, wherein a plurality of common electrodes for display which are provided in the display panel are also applied as the drive electrodes, an image display operation of the display panel and a driving operation of the electrodes for the touch sensor are performed in a time sharing manner, and in the driving operation of the electrodes for the touch sensor, a code division multiplexing (CDM) drive is performed in units of successive common electrodes, and a drive signal which synchronizes with the CDM drive is input to all common electrodes other than successive common electrodes subjected to the CDM drive.

    Abstract translation: 根据一个实施例，设置有传感器的显示装置包括多个用于触摸传感器的电极，其包括多个驱动电极和多个检测电极，以及显示面板，其中多个用于显示的公共电极 在显示面板中也设置有作为驱动电极的显示面板的图像显示动作和触摸传感器用电极的驱动动作，并且在电极的驱动动作中 对于触摸传感器，以连续的公共电极为单位执行码分复用（CDM）驱动，并且将与CDM驱动同步的驱动信号输入到经受CDM驱动的连续公共电极以外的所有公共电极。

    Display device with touch sensor, potential control method and program
    36.
    发明授权
    Display device with touch sensor, potential control method and program 有权
    带触摸传感器的显示设备，电位控制方式和程序

    公开(公告)号：US09207481B2

    公开(公告)日：2015-12-08

    申请号：US13675832

    申请日：2012-11-13

    Applicant: Japan Display Inc.

    Inventor： Takeya Takeuchi ,  Hiroshi Mizuhashi ,  Tadayoshi Katsuta ,  Takehiro Shima

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

    CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04104 ,  G06F2203/04108 ,  G09G3/3614 ,  G09G3/3648 ,  G09G2300/0809 ,  G09G2310/0291

    Abstract: A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.

    Abstract translation: 具有触摸传感器的显示装置包括：多个显示像素电极; 与所述显示像素电极相对布置的公共电极; 具有图像显示功能的显示功能层; 显示控制电路，通过基于图像信号，在显示像素电极和公共电极之间施加用于显示的电压，进行图像显示控制，以实现显示功能层的显示功能; 以及与所述公共电极相对设置并在所述触摸检测电极和所述公共电极之间形成电容的触摸检测电极，其中，通过所述显示控制电路施加到所述公共电极的显示的驱动电压被用作所述触摸传感器的驱动信号 并且在施加用于触摸传感器的驱动信号的时段期间，包括在显示像素电极中的TFT电路的栅极电位增加。

    Display device
    37.
    发明授权
    Display device 有权

    公开(公告)号：US12100713B2

    公开(公告)日：2024-09-24

    申请号：US18235146

    申请日：2023-08-17

    Applicant: Japan Display Inc.

    Inventor： Tadayoshi Katsuta

    IPC: H01L27/12 ,  G09G3/20 ,  G09G3/3233

    CPC classification number: H01L27/124 ,  G09G3/2096 ,  G09G3/3233 ,  G09G2320/0247 ,  G09G2320/046 ,  G09G2330/027

    Abstract: A display device includes a pixel, a scanning line, a signal line, and a drive circuit configured to be supplied with a first power supply voltage signal of a positive value and a second power supply voltage signal of a negative value. The drive circuit includes: a gate driver configured to supply a scanning signal to the scanning line; a signal line selection circuit configured to supply a pixel signal to the signal line; and a display control circuit. The display control circuit is configured to, at first time in a power-off sequence, supply the first power supply voltage signal to the scanning line, supply a GND potential to the common electrode, and supply an adjustment potential of a positive value to the signal line. The display control circuit is configured to supply the GND potential to the scanning line at second time after the first time.

    Display device
    38.
    发明授权
    Display device 有权

    公开(公告)号：US11150524B2

    公开(公告)日：2021-10-19

    申请号：US16361508

    申请日：2019-03-22

    Applicant: Japan Display Inc.

    Inventor： Yoshitaka Ozeki ,  Tadayoshi Katsuta ,  Koji Ishizaki ,  Takahiro Takeuchi ,  Koshiro Moriguchi

    IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/15 ,  G02F1/1514

    Abstract: According to one embodiment, a display device includes a base substrate, a switching element including a semiconductor layer, a power supply line, a pixel electrode electrically connected to the switching element, a capacitance electrode positioned between the base substrate and the pixel electrode and electrically connected to the power supply line, a first interlayer insulating film positioned between the pixel electrode and the capacitance electrode, a common electrode, and an electrophoretic element positioned between the pixel electrode and the common electrode. An edge of the capacitance electrode overlaps the pixel electrode over the entire periphery thereof.

    Display device
    39.
    发明授权
    Display device 有权

    公开(公告)号：US11126287B2

    公开(公告)日：2021-09-21

    申请号：US15986919

    申请日：2018-05-23

    Applicant: Japan Display Inc.

    Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Tadayoshi Katsuta

    IPC: G06F3/041 ,  G06F3/046 ,  G09G3/36 ,  G06F3/044

    Abstract: A display device includes a substrate, first electrodes, pixel electrodes, a display functional layer, common electrodes, second electrodes stacked in this order. The display device further includes lines that are provided between the substrate and the display functional layer and intersect with the first electrodes in the plan view. In response to a control signal from a controller, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrodes are supplied with a common signal in the display periods; either of the lines and the first electrodes are supplied with a first drive signal to generate a magnetic field, and the other thereof generate an electromotive force caused by the magnetic field in the first sensing period; the common electrodes are supplied with a second drive signal to generate electrostatic capacitance between the common electrodes and the second electrodes in the second sensing period.

    Input detection device
    40.
    发明授权
    Input detection device 审中-公开

    公开(公告)号：US10671199B2

    公开(公告)日：2020-06-02

    申请号：US16238099

    申请日：2019-01-02

    Applicant: Japan Display Inc.

    Inventor： Tadayoshi Katsuta

    IPC: G09G3/36 ,  G06F3/041 ,  G06F3/0354 ,  G06F3/044 ,  G06F3/046 ,  H03K17/96

    Abstract: Provided is an input detection device capable of suppressing a change in detection sensitivity depending on a position. The input detection device includes: signal wirings having end portions, and arranged so as to extend in a first direction; drive electrodes each extending in a second direction crossing the first direction, and arranged in parallel to the first direction; a plurality of first switches arranged between the end portions of the drive electrodes and the signal wirings; a drive signal circuit supplying a drive signal to the end portions; and a selection circuit controlling the first switches in detecting proximity of an external object.

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