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    Gate driver and display device comprising same
    1.
    发明授权
    Gate driver and display device comprising same 有权

    公开(公告)号：US11915637B2

    公开(公告)日：2024-02-27

    申请号：US17776562

    申请日：2020-09-01

    Applicant: LG DISPLAY CO., LTD.

    Inventor： SeongHwan Ju ,  JinYeong Kim ,  HyeonHo Son ,  Hyunwoo Kim

    IPC: G09G3/32 ,  G09G3/3266

    CPC classification number: G09G3/32 ,  G09G3/3266 ,  G09G2300/0408 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2330/08

    Abstract: According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.

    Display device and data driving circuit
    4.
    发明授权
    Display device and data driving circuit 有权

    公开(公告)号：US12236898B2

    公开(公告)日：2025-02-25

    申请号：US18361741

    申请日：2023-07-28

    Applicant: LG Display Co., Ltd.

    Inventor： Beom-Jin Kim ,  Hyunwoo Kim ,  Bongchoon Kwak ,  HongJu Lee

    IPC: G09G3/3275 ,  G09G3/3266

    Abstract: Embodiments of the disclosure relate to a display device and a data driving circuit. Specifically, there may be provided a display device comprising a display panel where a plurality of gate lines, a plurality of data lines, and a plurality of subpixels are disposed, a gate driving circuit configured to supply scan signals to the plurality of gate lines, a data driving circuit configured to convert digital image data into an analog data voltage and supply the analog data voltage to the plurality of data lines, a timing controller configured to control the gate driving circuit and the data driving circuit, a first gamma circuit generating a first gamma voltage corresponding to a first pixel during a period corresponding to a first color selection signal, and a second gamma circuit generating a second gamma voltage corresponding to a second pixel during a period corresponding to a second color selection signal different from the first color selection signal.

    Amplifier circuit and display apparatus having the same
    6.
    发明授权
    Amplifier circuit and display apparatus having the same 有权

    公开(公告)号：US12119795B2

    公开(公告)日：2024-10-15

    申请号：US18501389

    申请日：2023-11-03

    Applicant: LG Display Co., Ltd.

    Inventor： HongJu Lee ,  Hyunwoo Kim ,  Beom-Jin Kim

    IPC: G09G3/3275 ,  H03F3/21

    CPC classification number: H03F3/211 ,  G09G3/3275 ,  G09G2310/0291 ,  G09G2320/0252 ,  G09G2330/021 ,  H03F2200/366 ,  H03F2200/87

    Abstract: Disclosed is an amplifier circuit comprising a first stage having first and second input terminals, a second stage configured to amplify a voltage supplied from the first stage and including a pull-up node and a pull-down node, a third stage including an output terminal, a tenth PMOS transistor, and a tenth NMOS transistors having gate electrodes respectively connected to the pull-up node and the pull-down node of the second stage, the third stage configured to perform a pull-up driving and pull-down driving of the amplified voltage, a first boosting circuit including an eleventh PMOS transistor having a gate electrode connected to the pull-up node and the first boosting circuit configured to increase a current in the first stage, and a second boosting circuit including an eleventh NMOS transistor having a gate electrode connected to the pull-down node and configured to increase the current in the first stage.

    Display device
    8.
    发明授权
    Display device 有权

    公开(公告)号：US10185168B2

    公开(公告)日：2019-01-22

    申请号：US15608628

    申请日：2017-05-30

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Hyunwoo Kim

    IPC: G02F1/1333 ,  H01L51/50 ,  H01L51/00

    Abstract: The present disclosure relates to a display device including a display module, cover bottom, a PCB, and a cover shield. The PCB includes a guide hole formed therethrough in a thickness direction and coupled to the cover bottom to be disposed on a rear surface of the cover bottom. The cover shield includes a guide protrusion configured to protrude from one surface at a position corresponding to the guide hole to be inserted into the guide hole and configured to be coupled to the cover bottom to cover the PCB. Accordingly, the cover shield is configured in such a way that the guide protrusion of the cover shield is inserted into the guide hole of the PCB interposed between the cover bottom and the cover shield while the cover shield is coupled to the cover bottom, thereby more easily and accurately guiding an assembly position of the cover shield.

    DISPLAY DEVICE
    9.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240290923A1

    公开(公告)日：2024-08-29

    申请号：US18588806

    申请日：2024-02-27

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Hyunwoo Kim

    IPC: H01L33/60 ,  H01L25/16

    CPC classification number: H01L33/60 ,  H01L25/167

    Abstract: A display device including a display panel including a plurality of sub pixels, in which each sub pixel includes at least one light emitting diode, at least one transistor configured to drive the at least one light emitting diode to emit light and a reflection plate including a first part disposed below and overlapping the at least one light emitting diode and a second part extending from the first part, and wherein the first part of the reflection plate includes a material having a higher reflectance than a material of the second part extending from the first part.

    Converting integrator, touch driving circuit, and touch display device
    10.
    发明授权
    Converting integrator, touch driving circuit, and touch display device 有权

    公开(公告)号：US12216853B2

    公开(公告)日：2025-02-04

    申请号：US18389501

    申请日：2023-11-14

    Applicant: LG Display Co., Ltd.

    Inventor： Hongju Lee ,  Hyunwoo Kim ,  Jaekyu Park

    IPC: G06F3/044 ,  G06F3/041

    Abstract: A touch display device can include a plurality of touch electrodes disposed on or in a display panel; and a touch driving circuit configured to drive the plurality of touch electrodes by outputting a touch driving signal having a first level period and a second level period. Also, the touch driving circuit includes a current regulator configured to receive an input current from at least one of the plurality of touch electrodes during at least a partial period of the first level period and at least a partial period of the second level period of the touch driving signal, and scale down the input current to a first current and output the first current; and a converting integrator configured to output a sensing voltage based on the first current or a second current adjusted from the first current.

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