Liquid crystal display device
    11.
    发明授权

    公开(公告)号:US10156926B2

    公开(公告)日:2018-12-18

    申请号:US14987358

    申请日:2016-01-04

    摘要: A liquid crystal display device includes a liquid crystal element array having liquid crystal display elements arranged in matrix, scanning lines arranged in each row of the liquid crystal element array and supplying a scanning signal to the liquid crystal display elements in a corresponding row, signal lines arranged in each column of the liquid crystal element array and supplying an image signal to the liquid crystal display elements in a corresponding column, drive electrodes arranged in the column of the liquid crystal element array and to which a drive signal to detect a touch is supplied, a signal line drive circuit arranged along one side of the liquid crystal element array parallel to the row of the liquid crystal element array and forming the image signal, and a first electrode drive circuit arranged along the other side of the liquid crystal element array and forming the drive signal.

    Display device with touch sensor, potential control method and program
    13.
    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:US09575593B2

    公开(公告)日:2017-02-21

    申请号:US14931211

    申请日:2015-11-03

    摘要: 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.

    摘要翻译: 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 WITH TOUCH DETECTION FUNCTION AND ELECTRONIC APPARATUS
    15.
    发明申请
    DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION AND ELECTRONIC APPARATUS 审中-公开
    具有触摸检测功能的显示设备和电子设备

    公开(公告)号:US20140292709A1

    公开(公告)日:2014-10-02

    申请号:US14198224

    申请日:2014-03-05

    IPC分类号: G06F3/041 G06F3/044

    摘要: According to an aspect, a display device with a touch detection function includes: a display region; a plurality of drive electrodes; a control device; a touch detection electrode that is opposed to the drive electrodes and forms capacitance with respect to the drive electrodes; power supply wiring arranged in a frame region positioned outside the display region; and a plurality of drive electrode scanning units that select the drive electrode to be coupled to the power supply wiring. when the drive electrode scanning unit simultaneously selects the drive electrodes of which number is equal to or larger than the number of pieces of the power supply wiring, the control device supplies a touch driving signal that is multiplexed based on a certain code to each of the selected drive electrodes.

    摘要翻译: 根据一方面,具有触摸检测功能的显示装置包括:显示区域; 多个驱动电极; 控制装置; 触摸检测电极,其与驱动电极相对并相对于驱动电极形成电容; 布置在位于显示区域外部的框架区域中的电源布线; 以及选择要耦合到电源布线的驱动电极的多个驱动电极扫描单元。 当驱动电极扫描单元同时选择数量等于或大于电源布线数量的驱动电极时,控制装置将基于特定代码复用的触摸驱动信号提供给每个 选定的驱动电极。

    DISPLAY DEVICE, METHOD OF DRIVING DISPLAY DEVICE, AND ELECTRONIC APPARATUS
    16.
    发明申请
    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:US20140210752A1

    公开(公告)日:2014-07-31

    申请号:US14167069

    申请日:2014-01-29

    发明人: Tadayoshi Katsuta

    IPC分类号: G06F3/041 G09G3/36

    摘要: 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.

    摘要翻译: 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。

    Detection device
    17.
    发明授权

    公开(公告)号:US12119358B2

    公开(公告)日:2024-10-15

    申请号:US17714478

    申请日:2022-04-06

    发明人: Tadayoshi Katsuta

    摘要: A detection device includes: a substrate; photoelectric conversion elements provided to the substrate; transistors; and signal lines each of which is between adjacent photoelectric conversion elements. Each detection element includes one of the photoelectric conversion element and the transistors adjacent to the photoelectric conversion element. A first signal line among the signal lines is between the photoelectric conversion element of a first detection element and the photoelectric conversion element of a second detection element adjacent to one side of the first detection element and is coupled to the first detection element and the second detection element. A second signal line among the signal lines is between the photoelectric conversion element of the first detection element and the photoelectric conversion element of a third detection element adjacent to another side of the first detection element and is coupled to the first detection element and the third detection element.

    Liquid crystal display device configured for speeding up gate drive of pixel transistors

    公开(公告)号:US11562707B2

    公开(公告)日:2023-01-24

    申请号:US17479090

    申请日:2021-09-20

    摘要: The display control circuit includes a drive signal generation circuit that generates a gate drive signal, a scanning line drive circuit that supplies the gate drive signal to the scanning line, and a first wire through which the gate drive signal from the drive signal generation circuit is supplied to the scanning line drive circuit. The drive signal generation circuit includes a first potential supply circuit that supplies, to the first wire, a first potential equal to or lower than an off-potential of the pixel transistor, a second potential supply circuit that supplies, to the first wire, a second potential lower than the first potential, a third potential supply circuit that supplies, to the first wire, a third potential higher than the first potential, and a fourth potential supply circuit that supplies, to the first wire, a fourth potential equal to or higher than an on-potential of the pixel transistor.

    Display device with a touch detection function

    公开(公告)号:US11500485B2

    公开(公告)日:2022-11-15

    申请号:US17139215

    申请日:2020-12-31

    摘要: A display device with a touch detection function is provided and includes a display area where a plurality of pixel electrodes are arranged in a matrix having a first direction and a second direction crossing the first direction above a substrate; common electrodes provided so as to face the pixel electrodes; an insulating layer between the common electrodes and the pixel electrodes; a display functional layer having an image display function of displaying an image on the display area; a plurality of pixel signal lines each coupled to the pixel electrodes, the pixel signal lines each extending in the first direction; a source selector that are coupled to the pixels through the pixel signal lines and that performs a switching operation, the source selector including a plurality of source switches; and a control device for performing image display control by applying a display drive voltage between the pixel electrodes and the common electrodes based on an image signal to exert the image display function of the display functional layer.