Display Device
    1.
    发明公开
    Display Device 审中-公开

    公开(公告)号:US20230195249A1

    公开(公告)日:2023-06-22

    申请号:US17972448

    申请日:2022-10-24

    Abstract: A display device includes a substrate including a plurality of sub pixels; a first touch electrode on the substrate and overlapping at least one subpixel from the plurality of sub pixels; a second touch electrode on the substrate and spaced apart from the first touch electrode and overlapping the at least one sub pixel; an insulating layer covering the first touch electrode and the second touch electrode; a plurality of charging transistors on the insulating layer and electrically connected to one of the first touch electrode and the second touch electrode; a plurality of sensing transistors on the insulating layer and electrically connected to one of the first touch electrode and the second touch electrode; a planarization layer covering the plurality of charging transistors and the plurality of sensing transistors; and a light emitting diode on the planarization layer.

    Touch display device, touch driving circuit, and touch driving method

    公开(公告)号:US12093485B2

    公开(公告)日:2024-09-17

    申请号:US17972467

    申请日:2022-10-24

    CPC classification number: G06F3/0418 G06F3/04164 G06F3/0446

    Abstract: Embodiments of the disclosure relate to a touch display device, a touch driving circuit, and a touch driving method. Specifically, a touch display device comprises a display panel including a plurality of touch electrodes, a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, a touch driving circuit configured to detect touch according to a change in capacitance of the plurality of touch electrodes, and a power management circuit configured to supply a different level of compensation voltages to the plurality of touch electrodes in each of an overlap distortion period in a display driving period, a transition distortion period of the display driving period, and a touch driving period.

    Touch Display Device
    4.
    发明公开

    公开(公告)号:US20230214060A1

    公开(公告)日:2023-07-06

    申请号:US17972461

    申请日:2022-10-24

    Abstract: A touch display device includes a display controller configured to output a control signal and a first touch synchronization signal defining a display period and a touch period, a gate driving circuit configured to receive a high-level gate voltage and the control signal, and output a gate voltage pulse, a display panel comprising gate lines to which the gate voltage pulse is input and sub-pixels, a touch controller configured to receive the first touch synchronization signal, and output a pulse width modulation signal, and a touch power circuit configured to output a voltage generated based on the pulse width modulation signal to the gate driving circuit in at least a first period of the touch period, and output the high-level gate voltage to the gate driving circuit based on a second touch synchronization signal that defines a pseudo display period in a second period of the touch period.

    Display device and driving method thereof
    7.
    发明授权
    Display device and driving method thereof 有权
    显示装置及其驱动方法

    公开(公告)号:US09250731B2

    公开(公告)日:2016-02-02

    申请号:US14310795

    申请日:2014-06-20

    CPC classification number: G06F3/041 G06F3/0416 G06F3/044

    Abstract: Disclosed are a display device and a driving method thereof. The display device includes a first common electrode line connected to a first common electrode of a plurality of common electrodes, and formed to overlap a data line formed in a panel where the plurality of common electrodes are formed. The plurality of common electrodes are separated from each other in a block form, receive a common voltage in an image output period, and receive a touch driving voltage in a touch sensing period. The display device includes a second common electrode separated from the first common electrode line with a protective layer therebetween, and configured to include two second common electrode plates which are separated from each other in a left and right direction with respect to the first common electrode line.

    Abstract translation: 公开了一种显示装置及其驱动方法。 显示装置包括与多个公共电极的第一公共电极连接并形成为与形成有多个公共电极的面板中形成的数据线重叠的第一公共电极线。 多个公共电极以块形式彼此分离,在图像输出周期中接收公共电压,并且在触摸感测周期中接收触摸驱动电压。 显示装置包括与第一公共电极线分离的第二公共电极,其间具有保护层,并且被配置为包括相对于第一公共电极线在左右方向上彼此分离的两个第二公共电极板 。

    Touch display device
    8.
    发明授权

    公开(公告)号:US11768563B2

    公开(公告)日:2023-09-26

    申请号:US17972461

    申请日:2022-10-24

    Abstract: A touch display device includes a display controller configured to output a control signal and a first touch synchronization signal defining a display period and a touch period, a gate driving circuit configured to receive a high-level gate voltage and the control signal, and output a gate voltage pulse, a display panel comprising gate lines to which the gate voltage pulse is input and sub-pixels, a touch controller configured to receive the first touch synchronization signal, and output a pulse width modulation signal, and a touch power circuit configured to output a voltage generated based on the pulse width modulation signal to the gate driving circuit in at least a first period of the touch period, and output the high-level gate voltage to the gate driving circuit based on a second touch synchronization signal that defines a pseudo display period in a second period of the touch period.

    Touch display device, touch circuit and touch driving method thereof

    公开(公告)号:US11526247B2

    公开(公告)日:2022-12-13

    申请号:US17350373

    申请日:2021-06-17

    Abstract: Embodiments of the present disclosure relate to a touch display device, a touch circuit and a touch driving method thereof, and more particularly, a touch display device, a touch circuit and a touch driving method thereof enable to reduce effectively a ghost phenomenon in touch electrode groups by dividing a plurality of touch electrodes into a plurality of touch electrode groups with same patterns. The touch display device may include a display panel including a touch electrode group in which a plurality of long touch electrodes with long length and a plurality of short touch electrodes with short length in a first direction are alternately arranged in a second direction; and a touch circuit sequentially performing a self-capacitance sensing operation and a mutual-capacitance sensing operation for the touch electrode group.

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