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    DISPLAY DEVICE AND MOBILE TERMINAL INCLUDING SAME
    4.
    发明申请
    DISPLAY DEVICE AND MOBILE TERMINAL INCLUDING SAME 有权

    公开(公告)号：US20220019757A1

    公开(公告)日：2022-01-20

    申请号：US17361241

    申请日：2021-06-28

    Applicant: LG Display Co., Ltd.

    Inventor： Man Hyeop HAN ,  Joung Mi CHOI ,  Dong Gun LEE

    IPC: G06K9/00 ,  G09G3/3233 ,  H01L27/30 ,  H01L27/32

    Abstract: A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.

    PIXEL CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME
    5.
    发明公开
    PIXEL CIRCUIT AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20240221645A1

    公开(公告)日：2024-07-04

    申请号：US18220078

    申请日：2023-07-10

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Dong Gun LEE ,  Kyu Jin KIM ,  Ji Ah KIM

    IPC: G09G3/3233

    CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0223

    Abstract: A pixel circuit and a display device including the same are discussed. The pixel circuit can include a first pixel circuit arranged in a first area of a screen at a first resolution and including a first driving element to supply a current to a first light-emitting element and a first storage capacitor disposed between a gate electrode of the first driving element and a power line to which a high-potential supply voltage is applied, and a second pixel circuit arranged in a second area of the screen at a second resolution and including a second driving element to supply a current to a second light-emitting element and a second storage capacitor disposed between a gate electrode of the second driving element and the power line to which the high-potential supply voltage is applied.

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

    公开(公告)号：US20250118265A1

    公开(公告)日：2025-04-10

    申请号：US18903565

    申请日：2024-10-01

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Dong Gun LEE ,  Bo Yun JUNG

    IPC: G09G3/3258 ,  G09G3/20

    Abstract: A display device including a display panel including data lines, gate lines, and pixels applied with pixel driving voltages; a data driver configured to supply pixel data to the data lines; a power supply configured to apply the pixel driving voltage to the pixels; and a compensation circuit configured to generate a pixel driving voltage drop amount using a pixel driving voltage applied from the power supply and a pixel driving voltage fed back from a central portion of the display panel, amplify the generated pixel driving voltage drop amount using a predetermined gain value, and generate a compensation voltage value for compensating a gamma reference voltage for a corresponding pixel using the amplified pixel driving voltage drop amount.

    DISPLAY DEVICE AND DRIVING METHOD THEREOF
    10.
    发明申请
    DISPLAY DEVICE AND DRIVING METHOD THEREOF 有权

    公开(公告)号：US20230035356A1

    公开(公告)日：2023-02-02

    申请号：US17846765

    申请日：2022-06-22

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Kyu Jin KIM ,  Seung Taek OH ,  Dong Gun LEE

    IPC: G09G3/34 ,  G09G3/3266 ,  G09G3/3233

    Abstract: A display device can include a display panel to display an input image across a first subpixel region and a second subpixel region; a display panel driver to supply pixel data of the input image to subpixels of the display panel; a light source disposed under the display panel in an area overlapped by the second subpixel region; and a controller to drive the light source in an emission permitting section set within a non-driving period of a group of subpixels among the subpixels that are disposed in at least a portion of the second subpixel region.

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