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    Gate driving circuit and display device including gate driving circuit
    1.
    发明授权
    Gate driving circuit and display device including gate driving circuit 有权

    公开(公告)号：US12073794B2

    公开(公告)日：2024-08-27

    申请号：US18054872

    申请日：2022-11-11

    Applicant: LG Display Co., Ltd.

    Inventor： Jaeyi Choi ,  Seongho Yun ,  SooHong Choi

    IPC: G09G3/3266 ,  G09G3/3291

    CPC classification number: G09G3/3266 ,  G09G3/3291 ,  G09G2310/0278 ,  G09G2310/08

    Abstract: The present disclosure relates to a gate driving circuit and a display device including the gate driving circuit, and more particularly, to a gate driving circuit having a reduced size and a display device including the gate driving circuit. The gate driving circuit comprises a plurality of dummy stage circuits and stage circuits, which supply gate signals to each gate line and comprise a Q node, a QH node, and a QB node. A gate signal output circuit included in each of the stage circuits can output first to j-th gate signals based on first to j-th scan clock signals or a first low voltage according to the voltage level of the Q node or the voltage level of the QB node.

    Gate driving circuit and light emitting display apparatus comprising the same
    3.
    发明授权
    Gate driving circuit and light emitting display apparatus comprising the same 有权

    公开(公告)号：US11250767B2

    公开(公告)日：2022-02-15

    申请号：US17129412

    申请日：2020-12-21

    Applicant: LG Display Co., Ltd.

    Inventor： JaeKyu Park ,  SooHong Choi ,  HongJae Shin ,  Seongho Yun ,  Jeongrim Seo

    IPC: G09G3/32

    Abstract: A gate driving circuit and a light emitting display apparatus comprising the same are discussed, in which a charging characteristic of a control node is improved. The gate driving circuit comprises first to mth stage circuits, wherein each of the first to mth stage circuits includes first to third control nodes, a node control circuit controlling a voltage of each of the first to third control nodes, and an output buffer circuit outputting each of a scan signal, a sense signal and a carry signal in accordance with each of the first to third control nodes, the node control circuit including a node setup circuit charging a first gate high potential voltage in the first control node in response to a first carry signal supplied from a front stage circuit.

    Organic light emitting display device and method of manufacturing the same
    4.
    发明授权
    Organic light emitting display device and method of manufacturing the same 有权
    有机发光显示装置及其制造方法

    公开(公告)号：US09136315B1

    公开(公告)日：2015-09-15

    申请号：US14583935

    申请日：2014-12-29

    Applicant: LG Display Co., Ltd.

    Inventor： Hong Suk Kim ,  SooHong Choi

    IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01L21/00 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  G02F1/1362 ,  G02F1/1335

    CPC classification number: H01L27/3276 ,  G02F1/133512 ,  G02F1/136209 ,  H01L27/3211 ,  H01L27/3258 ,  H01L27/3272 ,  H01L51/5271 ,  H01L51/5281 ,  H01L51/5284 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5307

    Abstract: Provided are an organic light emitting display (OLED) device and a method of manufacturing the same. The OLED device includes: an array substrate, an intermediate layer over the array substrate, an insulating layer over the intermediate layer, and a plurality of driving signal lines over the insulating layer in a non-display area of the array substrate, the plurality of driving signal lines being completely separated from the intermediate layer by the insulating layer, each of the plurality of driving signal lines being configured to supply a driving signal from a driving circuit unit to a respective sub-pixel of a pixel among a plurality of pixels, wherein the intermediate layer under the plurality of driving signal lines is configured to reduce visibility of the driving signal lines such that incident light on the intermediate layer is uniformly reflected or absorbed with the plurality of driving signal lines.

    Abstract translation: 提供了一种有机发光显示（OLED）装置及其制造方法。 OLED装置包括：阵列基板，阵列基板上的中间层，中间层上的绝缘层，以及在阵列基板的非显示区域中的绝缘层上的多个驱动信号线，多个 所述驱动信号线通过所述绝缘层与所述中间层完全分离，所述多个驱动信号线中的每一个被配置为将来自驱动电路单元的驱动信号提供给多个像素中的像素的相应子像素， 其中多个驱动信号线下的中间层被配置为降低驱动信号线的可视性，使得中间层上的入射光被均匀地反射或被多个驱动信号线吸收。

    Display Device and Display Panel
    8.
    发明公开
    Display Device and Display Panel 审中-公开

    公开(公告)号：US20240290246A1

    公开(公告)日：2024-08-29

    申请号：US18443268

    申请日：2024-02-15

    Applicant: LG Display Co., Ltd.

    Inventor： Jeongrim Seo ,  SooHong Choi ,  HongJae Shin

    IPC: G09G3/20 ,  G09G3/3225 ,  G09G3/3266 ,  H10K59/131

    CPC classification number: G09G3/2096 ,  G09G3/3225 ,  G09G3/3266 ,  H10K59/131 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0291 ,  G09G2320/0223

    Abstract: A display panel comprising a display area including a plurality of subpixels, a gate driving circuit disposed in a non-display area outside the display area to supply a plurality of scan signals to the plurality of subpixels, and a plurality of gate high-potential voltage lines which are disposed in the non-display area for transferring a plurality of gate high-potential voltages to the gate driving circuit, wherein plurality of gate high-potential voltage lines include a first gate high-potential voltage line transferring a first gate high-potential voltage for charging a first node of the gate driving circuit, a second gate high-potential voltage line transferring a second gate high-potential voltage for charging a second node of the gate driving circuit, and a third gate high-potential voltage line which is branched from the first gate high-potential voltage line for transferring a third gate high-potential voltage to stabilize a transistor controlling the first node.

    Organic light emitting display device and repair method thereof
    9.
    发明授权
    Organic light emitting display device and repair method thereof 有权

    公开(公告)号：US10276078B2

    公开(公告)日：2019-04-30

    申请号：US14980784

    申请日：2015-12-28

    Applicant: LG DISPLAY CO., LTD.

    Inventor： YoonJu Lee ,  JeongHwan Kim ,  SooHong Choi ,  HongJae Shin ,  KwangMo Park ,  JaYeon Song

    IPC: G09G3/20 ,  G09G3/3291 ,  G09G3/00 ,  H01L27/32 ,  H01L51/56 ,  G09G3/3233 ,  G09G3/3283

    Abstract: An organic light emitting display device and a method of repairing the device are discussed. According to an embodiment, the device includes a display panel having pixels, each including an OLED in every pixel area defined as scan and data lines intersect with each other and having a repair structure in at least one of horizontal and vertical directions between adjacent pixels by one or more repair lines; a timing controller configured to generate compensation data when a dark spot is generated in one of the plurality of pixels of the display panel, and adjust a magnitude of image data according to the compensation data; and a data driver configured to adjust a magnitude of a data voltage according to the image data adjusted in magnitude, and output the data voltage adjusted in magnitude to the data lines.

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