Gate driver and display device including the same

    公开(公告)号:US11996053B2

    公开(公告)日:2024-05-28

    申请号:US18049274

    申请日:2022-10-24

    CPC classification number: G09G3/3266 G09G2310/08

    Abstract: There are provided a gate driver and a display device including the same. The gate driver includes: a first scan driver; a first sensing driver; a first scan clock line; and a first sensing clock line. The first scan clock line includes a first scan clock main line extending in one direction, and a first scan clock connection line connected to the first scan clock main line and the first scan driver. The first sensing clock line includes a first sensing clock main line extending in one direction, and a first sensing clock connection line connected to the first sensing clock main line and the first sensing driver. The first scan clock main line is closer to each of the first scan driver and the first sensing driver than the first sensing clock main line.

    Display device
    33.
    发明授权

    公开(公告)号:US11563077B2

    公开(公告)日:2023-01-24

    申请号:US17160284

    申请日:2021-01-27

    Abstract: A display device includes: a substrate; first, second, and third data lines extending in a first direction on the substrate and disposed to be adjacent along a second direction crossing the first direction; a semiconductor layer disposed on the first, second, and third data lines; a first insulating layer disposed on the semiconductor layer; first, second, and third lower storage electrodes disposed on the first insulating layer and arranged to be adjacent along the first direction; a second insulating layer disposed on the first, second, and third lower storage electrodes; a first scan line extending in the second direction on the second insulating layer; a first pixel connected to the first scan line and the first data line; a second pixel connected to the first scan line and the second data line; and a third pixel connected to the first scan line and the third data line.

    Scan driver and display device having the same

    公开(公告)号:US11348530B2

    公开(公告)日:2022-05-31

    申请号:US16707994

    申请日:2019-12-09

    Abstract: A stage of a scan driver includes: a first driving controller for controlling a voltage of a first node and a voltage of a second node; a second driving controller for controlling a voltage of a first driving node, based on a sensing-on signal, a next carry signal, a first control clock signal, a second control clock signal, the voltage of the first node, and a voltage of a sampling node, and controlling a voltage of a second driving node, based on the voltage of the sampling node and the voltage of the first driving node; an output buffer for outputting a carry signal, the first scan signal, and the second scan signal; and a coupling controller. The second driving controller maintains the voltage of the first driving node as a gate-off voltage in response to the voltage of the second driving node and a third control clock signal.

    Pixel circuit and display apparatus having the same

    公开(公告)号:US11322093B2

    公开(公告)日:2022-05-03

    申请号:US17062971

    申请日:2020-10-05

    Abstract: A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.

    Display panel and display device
    37.
    发明授权

    公开(公告)号:US11199573B2

    公开(公告)日:2021-12-14

    申请号:US16851590

    申请日:2020-04-17

    Abstract: A display panel includes: a pixel region comprising a plurality of pixels; an open/short test region comprising a plurality of open/short test pads; a dummy stage configured to generate a carry signal in response to a scan start signal; and a plurality of stages configured to sequentially provide a plurality of scan signals to the plurality of pixels in response to the carry signal, wherein the plurality of stages is spaced apart by a first distance from the pixel region, and the dummy stage is spaced apart by a second distance greater than the first distance from the open/short test region.

    Organic light emitting display device and driving method thereof

    公开(公告)号:US11081056B2

    公开(公告)日:2021-08-03

    申请号:US15989673

    申请日:2018-05-25

    Abstract: An organic light emitting display device includes a plurality of pixels. A pixel on an ith horizontal line includes a first transistor coupled between a first power source and a first node and having a gate electrode coupled to a second node. An organic light emitting diode is coupled between the first node and a second power source. A second transistor is coupled between the second and third nodes and is turned on when a first scan signal is supplied to an ith first scan line. A third transistor is coupled between the third and first nodes. A first capacitor is coupled between an ith control line and the second node. A second capacitor is coupled between the third node and a data line. The pixels are simultaneously driven during first, second, and third periods of a frame period and sequentially driven during a fourth period of the frame period.

    DISPLAY DEVICE
    39.
    发明申请
    DISPLAY DEVICE 审中-公开

    公开(公告)号:US20200185489A1

    公开(公告)日:2020-06-11

    申请号:US16596952

    申请日:2019-10-09

    Abstract: A display device including: a substrate; an active layer disposed on the substrate and including active patterns; a first conductive layer disposed on the active layer; a second conductive layer disposed on the first conductive layer and including a data line; a third conductive layer disposed on the second conductive layer; and a light-emitting element disposed on the third conductive layer, wherein the first conductive layer includes a scan line, a first voltage line, and a second voltage line, the third conductive layer includes a third voltage line connected to the first voltage line and a fourth voltage line connected to the second voltage line, the first voltage line and the second voltage line extend in a first direction, the third voltage line and the fourth voltage line extend in a second direction, and the third voltage line and the fourth voltage line are alternately arranged in the first direction.

    ORGANIC LIGHT EMITTING DIODE DISPLAY
    40.
    发明申请

    公开(公告)号:US20200185481A1

    公开(公告)日:2020-06-11

    申请号:US16698121

    申请日:2019-11-27

    Abstract: According to an exemplary embodiment, an organic light emitting diode display includes: a substrate; a semiconductor layer; a first gate insulating layer disposed on the oxide semiconductor layer; a first gate layer disposed on the first gate insulating layer; a first interlayer insulating layer disposed on the first gate layer; a first data layer disposed on the first interlayer insulating layer; a second interlayer insulating layer disposed on the first data layer; a driving voltage line and a driving low voltage line disposed on the second interlayer insulating layer and separated from each other; an upper insulating layer covering the driving voltage line and the driving low voltage line; and an anode disposed on the upper insulating layer and overlapping the driving voltage line or the driving low voltage line.

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