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    Electroluminescence display and method for driving the same
    1.
    发明授权
    Electroluminescence display and method for driving the same 有权

    公开(公告)号：US10939514B2

    公开(公告)日：2021-03-02

    申请号：US16002197

    申请日：2018-06-07

    Applicant: LG Display Co., Ltd.

    Inventor： Gyungmin Kim ,  Beomjin Kim

    IPC: H05B33/10 ,  H01L51/56 ,  G09G3/3233 ,  G09G3/30

    Abstract: An electroluminescence display and a method for driving the same are provided to enhance the aging performance of the electroluminescence display. The electroluminescence display comprises: a display panel on which a plurality of pixels each comprising an electroluminescence element; and a power supply part that outputs a drive voltage for driving the pixels, wherein an externally applied aging signal is applied to a cathode of the electroluminescence element to perform aging on the display panel.

    Light emitting display device
    2.
    发明授权
    Light emitting display device 有权

    公开(公告)号：US11063104B2

    公开(公告)日：2021-07-13

    申请号：US16719219

    申请日：2019-12-18

    Applicant: LG Display Co., Ltd.

    Inventor： Hyoung-Su Kim ,  Jonghyeok Im ,  Gyungmin Kim

    IPC: H01L27/32 ,  H01L49/02

    Abstract: A display device can include a first sub pixel disposed on a substrate; a second sub pixel disposed on the substrate, the second sub pixel being adjacent to the first sub pixel; a first electrode disposed in each of the first and second sub pixels; a first capacitor disposed on the first electrode in each of the first and second sub pixels, the first capacitor being located at a periphery of the corresponding first electrode; an emission layer disposed on the first electrode in each of the first and second sub pixels; and a second electrode disposed on the emission layer in each of the first and second sub pixels.

    Display device with auxiliary electrode in trench
    4.
    发明授权
    Display device with auxiliary electrode in trench 有权

    公开(公告)号：US11917877B2

    公开(公告)日：2024-02-27

    申请号：US18151862

    申请日：2023-01-09

    Applicant: LG Display Co., Ltd.

    Inventor： Jonghyeok Im ,  Hyoung-Su Kim ,  Gyungmin Kim

    IPC: H10K59/131 ,  H10K50/84 ,  H10K50/856 ,  H10K59/35 ,  H10K59/38

    CPC classification number: H10K59/131 ,  H10K50/84 ,  H10K50/856 ,  H10K59/35 ,  H10K59/38

    Abstract: A display device includes a substrate provided with a plurality of pixels, a circuit element layer provided on the substrate and provided with an auxiliary electrode, an insulating layer provided on the circuit element layer and provided with a plurality of connection electrodes spaced apart from one another and a first trench, a fence structure provided on the plurality of connection electrodes, an organic light emitting layer provided on the fence structure, and a second electrode arranged on the organic light emitting layer, wherein the plurality of connection electrodes are electrically connected with the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first trench, and the second electrode is in contact with a connection electrode exposed from the first trench. Therefore, a luminance difference between an outer portion of a panel and a center portion of the panel may be reduced.

    Electroluminescent display apparatus comprising multilayer electrode
    6.
    发明授权
    Electroluminescent display apparatus comprising multilayer electrode 有权

    公开(公告)号：US11282896B2

    公开(公告)日：2022-03-22

    申请号：US16526035

    申请日：2019-07-30

    Applicant: LG Display Co., Ltd.

    Inventor： Ho-Jin Kim ,  Gyungmin Kim ,  Sul Lee

    IPC: H01L27/32 ,  H01L51/52

    Abstract: An electroluminescent display apparatus includes: a substrate including: first to third subpixels, a circuit device layer including a driving thin-film transistor respectively in each of the first to third subpixels on the substrate, a first electrode respectively in each of the first to third subpixels, a light-emitting layer on the first electrodes, and a second electrode on the light-emitting layer, wherein the first electrode of the first subpixel includes: a first lower electrode, and a first upper electrode, wherein the first electrode of the second subpixel includes: a second lower electrode, and a second upper electrode, wherein a distance between the first lower electrode and the first upper electrode differs from a distance between the second lower electrode and the second upper electrode, and wherein the first lower electrode and the first upper electrode are electrically connected to each other through a first contact electrode therebetween.

    Display device with auxiliary electrode in trench
    8.
    发明授权
    Display device with auxiliary electrode in trench 有权

    公开(公告)号：US11581387B2

    公开(公告)日：2023-02-14

    申请号：US16990617

    申请日：2020-08-11

    Applicant: LG Display Co., Ltd.

    Inventor： Jonghyeok Im ,  Hyoung-Su Kim ,  Gyungmin Kim

    IPC: H01L27/32 ,  H01L51/52

    Abstract: A display device includes a substrate provided with a plurality of pixels, a circuit element layer provided on the substrate and provided with an auxiliary electrode, an insulating layer provided on the circuit element layer and provided with a plurality of connection electrodes spaced apart from one another and a first trench, a fence structure provided on the plurality of connection electrodes, an organic light emitting layer provided on the fence structure, and a second electrode arranged on the organic light emitting layer, wherein the plurality of connection electrodes are electrically connected with the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first trench, and the second electrode is in contact with a connection electrode exposed from the first trench. Therefore, a luminance difference between an outer portion of a panel and a center portion of the panel may be reduced.

    Organic light emitting display apparatus
    9.
    发明授权
    Organic light emitting display apparatus 有权

    公开(公告)号：US11538874B2

    公开(公告)日：2022-12-27

    申请号：US17119647

    申请日：2020-12-11

    Applicant: LG Display Co., Ltd.

    Inventor： Hyoung-Su Kim ,  Jonghyeok Im ,  Gyungmin Kim

    IPC: G09G3/32 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H04N5/225 ,  H04M1/02

    Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.

    Electroluminescent display device
    10.
    发明授权
    Electroluminescent display device 有权

    公开(公告)号：US11024691B2

    公开(公告)日：2021-06-01

    申请号：US16546575

    申请日：2019-08-21

    Applicant: LG Display Co., Ltd.

    Inventor： Gyungmin Kim ,  HyeSeon Eom ,  DooHyun Yoon

    IPC: H01L27/32 ,  G09G3/20 ,  G02B27/01 ,  G06F1/16 ,  H01L27/12

    Abstract: Discussed is an electroluminescent display device, wherein a first electrode of a first sub pixel includes a first lower electrode and a first upper electrode, a first electrode of a second sub pixel includes a second lower electrode and a second upper electrode, a first electrode of a third sub pixel includes a third lower electrode and a third upper electrode, a distance between the first lower electrode and the first upper electrode, a distance between the second lower electrode and the second upper electrode, and a distance between the third lower electrode and the third upper electrode are different from one another, the third upper electrode includes a third lower layer and a third upper layer, and the third lower layer is formed in the same pattern as that of the third lower electrode in an upper surface of the third lower electrode.

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