PIXEL CIRCUIT, DRIVING CONTROL METHOD, DISPLAY SUBSTRATE AND DISPLAY DEVICE

    公开(公告)号:US20250098445A1

    公开(公告)日:2025-03-20

    申请号:US18557562

    申请日:2023-01-12

    Abstract: Pixel circuit, driving control method, display substrate and device are disclosed. The pixel circuit includes a driving circuit, a control circuit and a light-emitting module; the driving circuit generates driving current for driving the light-emitting module under control of control end of the driving circuit; the control circuit is connected to first scanning line, power supply voltage line and second end of the driving circuit, and controls connection between the power supply voltage line and the second end of the driving circuit under control of first scanning signal; second end of the light-emitting module is connected to a cathode voltage line. With the control circuit, branch current can be increased by increasing forward and reverse voltages, such that foreign bodies at dark spots can be burnt out and the dark spots can be changed into normal pixels, thereby improving product yield and displaying quality.

    Display Panel and Display Apparatus

    公开(公告)号:US20250089485A1

    公开(公告)日:2025-03-13

    申请号:US18279392

    申请日:2022-11-24

    Abstract: Provided are a display panel and a display apparatus, the display panel includes a substrate and a drive circuit layer, wherein the drive circuit layer includes a pixel circuit (P) arranged in an array, a plurality of first scan signal lines (G1) and a plurality of second scan signal lines (G2). The drive circuit layer includes a plurality of first discharge structures (E1) and/or a plurality of second discharge structures (E2). At least one first discharge structure (E1) is electrically connected to a first scan signal line (G1) and a second scan signal line (G2) respectively, and the first scan signal line (G1) and the second scan signal line (G2) electrically connected to the first discharge structure (E1) are electrically connected to the same row of pixel circuit.

    DISPLAY SUBSTRATE, MAINTENANCE METHOD AND DISPLAY DEVICE

    公开(公告)号:US20250089365A1

    公开(公告)日:2025-03-13

    申请号:US18557810

    申请日:2022-07-28

    Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n−1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n−1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.

    SHIFT REGISTER UNIT, DISPLAY DRIVING CIRCUIT, DISPLAY PANEL AND CONTROL METHOD

    公开(公告)号:US20250078768A1

    公开(公告)日:2025-03-06

    申请号:US18703506

    申请日:2023-08-31

    Abstract: A shift register unit, a display driving circuit, a display panel, and a control method. The shift register unit includes: an input circuit configured to provide signals of an input signal terminal (IN) and a power signal terminal (VGH) to first and second pull-up nodes (Q1, Q2); a first control circuit configured to control potentials of the first pull-down node (QB1), and the first pull-up node (Q1); a second control circuit configured to control potentials of the second pull-up node (Q2) and the second pull-down node (QB2) based on the first pull-up node (Q1) and the first pull-down node (QB1); and an output circuit configured to provide the signal of one of the power signal terminal (VGH) and the reference signal terminal (VGL) to an output signal terminal (OUT) under control of the second pull-up node (Q2) and the second pull-down node (QB2).

    DISPLAY PANEL AND DISPLAY DEVICE
    6.
    发明申请

    公开(公告)号:US20250056994A1

    公开(公告)日:2025-02-13

    申请号:US18933239

    申请日:2024-10-31

    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.

    Scan driving circuit with shift registers, display panel and display apparatus

    公开(公告)号:US12217696B2

    公开(公告)日:2025-02-04

    申请号:US17914047

    申请日:2021-11-09

    Abstract: A scan driving circuit includes shift registers and clock signal lines. A shift register includes: an output circuit electrically connected to a scan input signal terminal and a pull-up node; a black frame insertion circuit electrically connected to a first clock signal terminal, a black frame insertion input signal terminal, a first voltage signal terminal, a second clock signal terminal and the pull-up node; and an output circuit electrically connected to the pull-up node, a third clock signal terminal, a shift signal terminal, a fourth clock signal terminal and a first output signal terminal. The shift registers include first shift registers and second shift registers. Third and fourth clock signal terminals of a first shift register are electrically connected to a same clock signal line. Third and fourth clock signal terminals of a second shift register are electrically connected to different clock signal lines.

    Display substrate and display apparatus

    公开(公告)号:US12217678B2

    公开(公告)日:2025-02-04

    申请号:US18257521

    申请日:2022-04-27

    Abstract: A display substrate includes a plurality of pixel circuits, and the pixel circuits each include a sensing circuit and a light-emitting control circuit. In a second direction, adjacent three rows of pixel circuits are a first row of pixel circuits, a second row of pixel circuits and a third row of pixel circuits. A region between the first row of pixel circuits and the second row of pixel circuits is a first gap region. In the first row of pixel circuits and the second row of pixel circuits, a sensing circuit of each pixel circuit is closer to the first gap region than a light-emitting control circuit of the pixel circuit, and sensing signal terminals of sensing circuits of two pixel circuits in a same column are a same signal terminal.

    COMPENSATION METHOD AND APPARATUS FOR DISPLAY DEVICE, AND STORAGE MEDIUM

    公开(公告)号:US20250006121A1

    公开(公告)日:2025-01-02

    申请号:US18275228

    申请日:2022-07-28

    Abstract: Provided is a compensation method for a display device. The method includes: acquiring first detection voltages of the plurality of subpixels during a first shutdown compensation process; acquiring first position indication information based on the first detection voltages of the plurality of subpixels; and determining first compensation data based on the first position indication information. The first position indication information indicates column positions of pixels to which a plurality of first subpixels of the plurality of subpixels belong. The first compensation data includes first threshold compensation voltages of the plurality of subpixels, and an absolute value of a difference between the first threshold compensation voltage of the first subpixel and a first reference value is less than an absolute value of a difference between a second threshold compensation voltage of the first subpixel in the first compensation data and the first reference value.

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