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    PIXEL CIRCUIT, METHOD FOR DRIVING PIXEL CIRCUIT AND DISPLAY DEVICE
    1.
    发明申请
    PIXEL CIRCUIT, METHOD FOR DRIVING PIXEL CIRCUIT AND DISPLAY DEVICE 有权

    公开(公告)号：US20230010040A1

    公开(公告)日：2023-01-12

    申请号：US17847988

    申请日：2022-06-23

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Jae Sung YU ,  Jae Hoon PARK

    IPC: G09G3/3233

    Abstract: A pixel circuit, a method for driving a pixel circuit and a display device. The pixel circuit includes a driving element including a first electrode connected to a first node, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode to which a preset voltage is applied; a light emitting element including an anode electrode connected to a fourth node and a cathode electrode to which a low-potential power supply voltage is applied, the light emitting element being driven according to a current from the driving element; a first switch element connected between the first node and the second node; and a second switch element connected between the third node and the fourth node.

    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    2.
    发明公开
    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20240221624A1

    公开(公告)日：2024-07-04

    申请号：US18516836

    申请日：2023-11-21

    Applicant: LG Display Co., Ltd.

    Inventor： Yeon Woo SHIN ,  Jae Sung YU

    IPC: G09G3/32

    CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0267 ,  G09G2310/0286

    Abstract: Provided are a gate driver and a display device including the same. The display device may include a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel, a gate driver including a scan signal generation circuit configured to supply a scan signal to the display panel and a light-emitting signal generation circuit configured to supply a light-emitting signal to the display panel, and a clear signal line connected to the gate driver to deliver a clear signal in an alternating current form including a positive voltage and a negative voltage, wherein the gate driver initializes at least one of nodes of the scan signal generation circuit and nodes of the light-emitting signal generation circuit based on the clear signal.

    Liquid Crystal Display Device and Method for Manufacturing the Same
    3.
    发明申请
    Liquid Crystal Display Device and Method for Manufacturing the Same 有权
    液晶显示装置及其制造方法

    公开(公告)号：US20160259195A1

    公开(公告)日：2016-09-08

    申请号：US15156243

    申请日：2016-05-16

    Applicant: LG Display Co., Ltd.

    Inventor： Heesun SHIN ,  Seok Woo LEE ,  Jae Sung YU ,  Ju Han KIM ,  Sun Jung LEE ,  In Hyuk SONG

    IPC: G02F1/1333 ,  G02F1/1343 ,  G06F3/047 ,  G02F1/1368 ,  G06F3/041 ,  G02F1/1335 ,  G02F1/1362

    CPC classification number: G02F1/13338 ,  G02F1/133345 ,  G02F1/133514 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/134372 ,  G02F2001/136295 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04103

    Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

    Abstract translation: 公开了一种LCD装置，其通过使用用于形成电场的公共电极来驱动液晶作为感测电极，并且从液晶面板的上表面去除触摸屏，实现了减小的厚度，简化的处理和降低的成本， 所述LCD装置包括彼此相交的栅极和数据线，以在下基板上限定多个像素; 在所述多个像素中的每一个中的像素电极; 在与像素电极不同的层处图案化的多个公共电极块，其中公共电极块与像素电极一起形成电场并感测用户的触摸; 以及与公共电极块电连接的多个感测线，其中，如果感测线与公共电极块中的一个电连接，则感测线与剩余的公共电极块绝缘。

    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    4.
    发明申请
    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230097004A1

    公开(公告)日：2023-03-30

    申请号：US17953290

    申请日：2022-09-26

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Jae Sung YU ,  Jae Hoon PARK

    IPC: G09G3/3266 ,  G09G3/3291

    Abstract: A gate driving circuit and a display device including the same are disclosed. The gate driving circuit includes signal transmitters receiving a start pulse, a shift clock, a charge/discharge clock, a back-bias clock, a high-potential driving voltage, and a low-potential reference voltage, and connected in a cascade structure. An Nth (N is a positive integer) signal transmitter of the signal transmitters includes a first control node; a second control node; a first controller controlling charging and discharging of the first control node by using at least one transistor to which the back-bias clock is inputted; a second controller controlling charging and discharging of the second control node; a first output buffer outputting a carry pulse in response to voltages of the first and second control nodes; and a second output buffer outputting a gate pulse.

    DISPLAY DEVICE
    6.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20250093695A1

    公开(公告)日：2025-03-20

    申请号：US18969118

    申请日：2024-12-04

    Applicant: LG Display Co., Ltd.

    Inventor： Heesun SHIN ,  Seok Woo LEE ,  Jae Sung YU ,  Ju Han KIM ,  Sun Jung LEE ,  In Hyuk SONG

    IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/041 ,  G06F3/044 ,  G06F3/047

    Abstract: A display device may include: a first data line electrically connected to a first thin film transistor; a first pixel electrode electrically connected with the first thin film transistor; a second data line electrically connected to a second thin film transistor; a second pixel electrode electrically connected with the second thin film transistor; a first touch sensing electrode corresponding to the first pixel electrode and insulated from the first pixel electrode; a second touch sensing electrode corresponding to the second pixel electrode and insulated from the second pixel electrode; a first sensing line electrically connected with the first touch sensing electrode; and a second sensing line electrically connected with the second touch sensing electrode, wherein the first data line overlaps with the first touch sensing electrode and the second touch sensing electrode, and the second data line overlaps with the first touch sensing electrode and the second touch sensing electrode.

    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    7.
    发明申请
    GATE DRIVING CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230110320A1

    公开(公告)日：2023-04-13

    申请号：US17894013

    申请日：2022-08-23

    Applicant: LG Display Co., Ltd.

    Inventor： Yeon Woo SHIN ,  Jae Sung YU

    IPC: G09G3/3266 ,  G09G3/3233

    Abstract: A gate driving circuit and a display device including the same are discussed. A signal transmitter of the gate driving circuit can include a first charge controller configured to charge a first control node in response to a voltage of a VST node, a second charge controller configured to charge a second control node using a first transistor that is turned on in response to an (N+1)th clock generated following an Nth clock, a first discharge controller configured to discharge the first control node in a charging period of the second control node, and a second discharge controller configured to discharge the second control node when the voltage of the VST node is a high voltage or in a charging period of the first control node.

    PIXEL CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    8.
    发明申请
    PIXEL CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230010212A1

    公开(公告)日：2023-01-12

    申请号：US17858904

    申请日：2022-07-06

    Applicant: LG Display Co., Ltd.

    Inventor： Jae Hoon PARK ,  Jae Sung YU

    IPC: G09G3/3233 ,  H01L27/32

    Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first node, a first gate electrode connected to a second node, a second electrode connected to a third node, and a second gate electrode to which a preset voltage is applied; a light emitting element including an anode electrode connected to a fourth node and a cathode electrode to which a low-potential power supply voltage is applied; a first switch element connected between the first node and the second node; a second switch element connected between the third node and the fourth node; a first capacitor connected to the first gate electrode of the driving element; and a second capacitor connected to the third node.

    DISPLAY DEVICE
    9.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20200319491A1

    公开(公告)日：2020-10-08

    申请号：US16908931

    申请日：2020-06-23

    Applicant: LG Display Co., Ltd.

    Inventor： Heesun SHIN ,  Seok Woo LEE ,  Jae Sung YU ,  Ju Han KIM ,  Sun Jung LEE ,  In Hyuk SONG

    IPC: G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G06F3/047

    Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

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