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    CLOCK GENERATOR AND DISPLAY DEVICE INCLUDING THE SAME
    13.
    发明公开
    CLOCK GENERATOR AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20230162688A1

    公开(公告)日：2023-05-25

    申请号：US18158349

    申请日：2023-01-23

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Sang Hyun LEE ,  Si Duk SUNG ,  Dae Sik LEE

    IPC: G09G3/3266 ,  G09G3/3275

    CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G3/3233

    Abstract: A display device includes a display unit including gate lines and pixels electrically coupled to the gate lines; a timing controller configured to generate an on-clock signal, an off-clock signal, an enable signal, and a common signal; a clock generator configured to generate a plurality of clock signals having different phases based on the on-clock signal and the off-clock signal, when the enable signal has a first voltage level, wherein the clock generator is to insert a common pulse into each of the plurality of clock signals based on the common signal, when the enable signal has a second voltage level different from the first voltage level; and a gate driver configured to generate gate signals based on the plurality of clock signals, and to sequentially provide the gate signals to the gate lines.

    POWER MANAGEMENT DRIVER AND DISPLAY DEVICE HAVING THE SAME
    14.
    发明申请
    POWER MANAGEMENT DRIVER AND DISPLAY DEVICE HAVING THE SAME 有权

    公开(公告)号：US20220293058A1

    公开(公告)日：2022-09-15

    申请号：US17832179

    申请日：2022-06-03

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Dae Sik LEE ,  Si Duk SUNG ,  Sang Hyun LEE

    IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

    Abstract: A power management driver and a display device having the power management driver are provided, including a first power supply configured to supply a first voltage to a first driving power terminal of a pixel through a power line during a sensing period, and supply a second voltage to the first driving power terminal of the pixel through the power line during a display period; a controller configured to control timing at which the first voltage is output and timing at which the second voltage is output during a transition period between the display period and the sensing period in response to a sensing control signal; and a fault detector configured to detect a fault in the power line based on a current flowing through an output terminal during the sensing period.

    BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING SAME
    15.
    发明申请
    BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING SAME 有权

    公开(公告)号：US20220276533A1

    公开(公告)日：2022-09-01

    申请号：US17626259

    申请日：2020-04-07

    Applicant: Samsung Display Co., LTD.

    Inventor： Dae Sik LEE ,  Sung Chul HONG ,  Jun Pyo LEE ,  Ji Eun LEE ,  Song Yi HAN

    IPC: G02F1/1335 ,  G02F1/13357

    Abstract: A backlight unit includes a substrate comprising a first area having light source blocks and a second area having light source blocks, and a light source driver disposed on at least one side of the substrate and electrically connected to the light source blocks of each of the first and second areas through each of first and second sensing lines. The first sensing lines electrically connected to the light source blocks of the first area have a first resistance value, and the second sensing lines electrically connected to the light source blocks of the second area have a second resistance value.

    DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    16.
    发明申请
    DISPLAY DEVICE AND METHOD OF DRIVING THE SAME 有权

    公开(公告)号：US20210209989A1

    公开(公告)日：2021-07-08

    申请号：US17081427

    申请日：2020-10-27

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Si Duk SUNG ,  Dae Sik LEE ,  Sang Hyun LEE

    IPC: G09G3/20

    Abstract: A display device includes a display panel including a plurality of pixels, a scan driver which supplies scan signals and sensing control signals to scan lines and sensing control lines, based on a clock signal, a power manager which applies initialization power to initialization lines, a sensor which senses threshold voltages of driving transistors, a detector which detects an error of the initialization lines and outputs line information indicating an initialization line having the error, a timing controller which changes a sensed threshold voltage using the initialization line having the error and generates image data with reference to a changed threshold voltage, and a data driver which supplies a data signal corresponding to the image data to data lines.

    DISPLAY DEVICE
    17.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210118402A1

    公开(公告)日：2021-04-22

    申请号：US17132936

    申请日：2020-12-23

    Applicant: Samsung Display Co., Ltd.

    Inventor： Dong Beom CHO ,  Hee Bum PARK ,  Dae Sik LEE ,  Song Yi HAN

    IPC: G09G5/00 ,  G09G3/20 ,  G09G5/18 ,  G09G3/36

    Abstract: A display device includes a display panel including a plurality of pixels which are connected to a plurality of gate lines and a plurality of data lines and display a plurality of consecutive frames of images, a data driver driving the data lines, a gate driver driving the gate lines, a clock generator outputting a gate clock signal, which drives the gate driver and swings between a gate-on voltage and a gate-off voltage, and a signal controller outputting a gate pulse signal which drives the clock generator and a data control signal which controls the data driver. The clock generator includes a voltage maintainer maintaining the gate clock signal at a reference voltage that has a fixed value between the gate-on voltage and the gate-off voltage for a predetermined time.

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