Liquid crystal display with integrated touch sensor

    公开(公告)号:US09710083B2

    公开(公告)日:2017-07-18

    申请号:US14023518

    申请日:2013-09-11

    CPC classification number: G06F3/0412 G06F3/0416

    Abstract: A liquid crystal display integrated with a touch sensor includes a first substrate including pixels connected to gate wires and data wires, a second substrate positioned to face the first substrate, a plurality of common electrodes corresponding to the pixels, a plurality of sensing electrodes on the second substrate, a liquid crystal layer between the first substrate and the second substrate, a gate drive unit driven corresponding to a gate control signal and configured to supply a gate signal to the pixels through the gate wires, a common electrode drive unit configured to supply a touch driving signal to the common electrodes during a touch driving period, and a control unit configured to supply a gate control signal synchronized with the touch driving signal to the gate drive unit.

    DISPLAY DEVICE AND DRIVING METHOD THEREOF
    2.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 审中-公开
    显示装置及其驱动方法

    公开(公告)号:US20150116303A1

    公开(公告)日:2015-04-30

    申请号:US14525079

    申请日:2014-10-27

    CPC classification number: G09G3/3233 G09G2310/0213

    Abstract: A display device includes: pixels at areas defined by gate lines and data lines; a gate driver configured to selectively drive the gate lines; a data driver configured to generate data signals set to various voltages, using data to be supplied to the gate lines, and to supply the data signals to the data lines; a timing controller configured to control the gate driver and the data driver; and an order setting unit configured to set a driving order of the gate lines by comparing information values of the gate lines.

    Abstract translation: 显示装置包括:由栅极线和数据线限定的区域的像素; 栅极驱动器,被配置为选择性地驱动栅极线; 数据驱动器,被配置为使用要提供给所述栅极线的数据产生设置为各种电压的数据信号,并将所述数据信号提供给所述数据线; 定时控制器,被配置为控制所述门驱动器和所述数据驱动器; 以及订单设置单元,被配置为通过比较栅极线的信息值来设置栅极线的驱动顺序。

    Display device and driving method therefor

    公开(公告)号:US11875733B2

    公开(公告)日:2024-01-16

    申请号:US17602525

    申请日:2020-06-12

    Abstract: A method of driving a display device, includes: supplying a first sensing data signal corresponding to a first grayscale, first power having a first sensing voltage, and a reference voltage to a pixel during a first sensing period; sensing a first sensing current, generated based on the first sensing voltage, from the pixel during the first sensing period; supplying a second sensing data signal corresponding to a second grayscale and different from the first sensing data signal, the first power having a second sensing voltage, and the reference voltage to the pixel during a second sensing period; sensing a second sensing current, generated based on the second sensing voltage different from the first sensing voltage, from the pixel during the second sensing period; and calculating characteristics of a driving transistor of the pixel using the first sensing current and the second sensing current.

    DISPLAY DEVICE AND DRIVING METHOD THEREOF
    4.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权
    显示装置及其驱动方法

    公开(公告)号:US20140085322A1

    公开(公告)日:2014-03-27

    申请号:US13830734

    申请日:2013-03-14

    CPC classification number: G06T1/60 G09G3/2022 G09G3/3233 G09G5/18 G09G2360/18

    Abstract: A display device includes a driver connected to a display panel and transmitting scan signals or data signals to the display panel, a frame memory connected to the driver, storing image data and transmitting at least some of the image data to the driver, and a controller connected to the driver and the frame memory, generating a control signal and transmitting the control signal to the driver or the frame memory, wherein each of the sub-fields includes an address period in which the scan signals are transmitted to the respective pixel rows, the controller transmits the control signal to the driver to transmit the scan signals to the pixel rows during a current frame such that the scan signals corresponding to the current frame are transmitted after, among the image data corresponding to the current frame, the image data corresponding to the pixel rows are stored in the frame memory.

    Abstract translation: 显示装置包括连接到显示面板并将扫描信号或数据信号传输到显示面板的驱动器,连接到驱动器的帧存储器,存储图像数据并将至少一些图像数据发送到驱动器的驱动器,以及控制器 连接到驱动器和帧存储器,产生控制信号并将控制信号发送到驱动器或帧存储器,其中每个子场包括其中扫描信号被发送到各个像素行的地址周期, 控制器将控制信号发送到驱动器,以在当前帧期间将扫描信号发送到像素行,使得在与当前帧相对应的图像数据中对应于当前帧的扫描信号之后发送对应于图像数据的图像数据 像素行存储在帧存储器中。

    Display device and driving method thereof
    5.
    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:US09183615B2

    公开(公告)日:2015-11-10

    申请号:US13830734

    申请日:2013-03-14

    CPC classification number: G06T1/60 G09G3/2022 G09G3/3233 G09G5/18 G09G2360/18

    Abstract: A display device includes a driver connected to a display panel and transmitting scan signals or data signals to the display panel, a frame memory connected to the driver, storing image data and transmitting at least some of the image data to the driver, and a controller connected to the driver and the frame memory, generating a control signal and transmitting the control signal to the driver or the frame memory, wherein each of the sub-fields includes an address period in which the scan signals are transmitted to the respective pixel rows, the controller transmits the control signal to the driver to transmit the scan signals to the pixel rows during a current frame such that the scan signals corresponding to the current frame are transmitted after, among the image data corresponding to the current frame, the image data corresponding to the pixel rows are stored in the frame memory.

    Abstract translation: 显示装置包括连接到显示面板并将扫描信号或数据信号传输到显示面板的驱动器,连接到驱动器的帧存储器,存储图像数据并将至少一些图像数据发送到驱动器的驱动器,以及控制器 连接到驱动器和帧存储器,产生控制信号并将控制信号发送到驱动器或帧存储器,其中每个子场包括其中扫描信号被发送到各个像素行的地址周期, 控制器将控制信号发送到驱动器,以在当前帧期间将扫描信号发送到像素行,使得在对应于当前帧的扫描信号之后,在对应于当前帧的图像数据中发送对应于图像数据的图像数据 像素行存储在帧存储器中。

    Display device and driving method therefor

    公开(公告)号:US12266296B2

    公开(公告)日:2025-04-01

    申请号:US18388496

    申请日:2023-11-09

    Abstract: A display device includes pixels connected to scan lines, control lines, data lines, and sensing lines; a scan driver configured to supply a scan signal to the scan lines and supply a control signal to the control lines; a data driver configured to supply one of an image data signal and a sensing data signal to the data lines; a sensing circuit configured to sense the characteristics based on a sensing current supplied through the sensing lines during the sensing period; and a power supply configured to supply a voltage of first power to the pixels. The sensing period includes a first sensing period during which a first sensing current is extracted based on a first sensing data signal corresponding to a first grayscale, and a second sensing period during which a second sensing current is extracted based on a second sensing data signal corresponding to a second grayscale, and the voltage of the first power supplied during the first sensing period is different from the voltage of the first power supplied during the second sensing period.

    Display device and driving method therefor

    公开(公告)号:US11830416B2

    公开(公告)日:2023-11-28

    申请号:US17602525

    申请日:2020-06-12

    Abstract: A method of driving a display device, includes: supplying a first sensing data signal corresponding to a first grayscale, first power having a first sensing voltage, and a reference voltage to a pixel during a first sensing period; sensing a first sensing current, generated based on the first sensing voltage, from the pixel during the first sensing period; supplying a second sensing data signal corresponding to a second grayscale and different from the first sensing data signal, the first power having a second sensing voltage, and the reference voltage to the pixel during a second sensing period; sensing a second sensing current, generated based on the second sensing voltage different from the first sensing voltage, from the pixel during the second sensing period; and calculating characteristics of a driving transistor of the pixel using the first sensing current and the second sensing current.

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