SHIFT REGISTER, SCANNING DRIVING CIRCUIT AND DISPLAYING DEVICE

    公开(公告)号:US20250095589A1

    公开(公告)日:2025-03-20

    申请号:US18576574

    申请日:2023-04-28

    Abstract: The present application relates to a shift register, a scanning driving circuit and a displaying device. The shift register includes a first inputting circuit, a first outputting circuit, a second inputting circuit, a second outputting circuit and a second controlling circuit. The second controlling circuit is electrically connected to a first node, a second node, a fifth voltage terminal, a second clock-signal terminal and a controlling terminal. The second controlling circuit is configured for, under the control of the signal of the second node, the control of a second clock signal and the control of the signal of the controlling terminal, when the first outputting circuit is switched on, disconnecting the electric connection between the first node and the fifth voltage terminal, and when the second outputting circuit is switched on, writing the signal of the fifth voltage terminal into the first node.

    Shift register, driving method thereof, display substrate and display device

    公开(公告)号:US12236890B2

    公开(公告)日:2025-02-25

    申请号:US18033365

    申请日:2022-05-27

    Abstract: A shift register includes a first control sub-circuit, a second control sub-circuit, a pull-up control sub-circuit and an output control sub-circuit, wherein the first control sub-circuit is configured to provide a signal of a third power supply terminal or a clock signal terminal to a first node and a third node under the control of a signal input terminal, the clock signal terminal and a second node; the pull-up control sub-circuit is configured to provide a signal of a second power supply terminal to the first node under the control of the third node; the second control sub-circuit is configured to provide a signal of the signal input terminal to the second node and a fourth node under the control of the clock signal terminal and the first power supply terminal.

    Pixel circuit including a compensation control circuit, pixel driving method and display device

    公开(公告)号:US12223907B2

    公开(公告)日:2025-02-11

    申请号:US18021472

    申请日:2022-04-21

    Inventor: Yao Huang Ming Hu

    Abstract: A pixel circuit includes a light-emitting element, a driving circuit, a first light-emission control circuit, a first initialization circuit, an energy storage circuit, a compensation control circuit and a data written-in circuit. A first terminal of the energy storage circuit is electrically connected to a control terminal of the driving circuit, and a second terminal of the energy storage circuit is electrically connected to a first electrode of the light-emitting element. The data written-in circuit writes a data voltage into a first terminal of the driving circuit under control of a written-in control signal. The compensation control circuit controls the control terminal of the driving circuit to be electrically connected to a second terminal of the driving circuit under control of a compensation control signal.

    Display panel and display apparatus

    公开(公告)号:US12213363B2

    公开(公告)日:2025-01-28

    申请号:US17800847

    申请日:2021-09-30

    Abstract: A display panel includes pixel-driving circuits distributed in an array along a first direction and a second direction and including a driving transistor and a capacitor with a first electrode connected to a gate of the driving transistor and a second electrode connected to a power line; a substrate base; a second conductive layer and a fifth conductive layer which is located on a side of the second conductive layer away from the substrate base and includes the power lines connected to at least one conductive wire. The second conductive layer, located on a side of the substrate base, includes second conductive portions corresponding to the pixel-driving circuits and forming the second electrode of a corresponding capacitor, and at least two adjacent second conductive portions form the conductive wire; orthographic projections of the power lines are spaced along the first direction and extend along the second direction.

    Display substrates and display devices

    公开(公告)号:US12213356B2

    公开(公告)日:2025-01-28

    申请号:US17771170

    申请日:2021-05-31

    Abstract: A display substrate (1) and a display device, which can reduce the number of power lines (22), and improve the light transmittance of a first display sub-region (111). The display substrate (1) includes a first display sub-region (111) and a second display sub-region (112), where a light transmittance of the first display sub-region (111) is higher than that of the second display sub-region (112); the display substrate (1) includes: a plurality of first-type sub-pixels (21) and a plurality of power lines (22), where the first-type sub-pixels (21) and the power lines (22) are located in the first display sub-region (111); the first-type sub-pixels (21) are arranged in an array along a row direction (X) and a column direction (Y); each first-type sub-pixel (21) comprises a light emitting element and a pixel circuit for driving the light emitting element to emit light; the plurality of power lines (22) are connected to one another; the plurality of power lines (22) comprise at least one of first-type power lines (221) or second-type power lines (222), the first-type power lines (221) are configured to be connected to pixel circuits of the first-type sub-pixels (21) arranged along the row direction (X), and the second-type power lines (222) are configured to be connected to pixel circuits of the first-type sub-pixels (21) arranged in the column direction (Y); a sum of a number of the first-type power lines (221) and a number of the second-type power lines (222) is smaller than a sum of a number of rows and a number of columns of the array.

    Display panel and display device
    38.
    发明授权

    公开(公告)号:US12213355B2

    公开(公告)日:2025-01-28

    申请号:US17620371

    申请日:2021-01-06

    Abstract: A display panel is described that includes a light-transmitting area, a main display area, a first transition display area, and a first wiring area. The display panel further includes: a plurality of first light-emitting units, a plurality of first pixel driving circuits, a plurality of first signal lines, a plurality of second signal lines, and a plurality of third signal lines. The plurality of first light-emitting units are located in the light-transmitting area; the plurality of first pixel driving circuits are located in the first transition display area; the plurality of first signal lines extend in the second direction and are located in the first transition display area for providing a potential signal to the first pixel driving circuit.

    Pixel driving circuit and driving method thereof, and display panel

    公开(公告)号:US12205542B2

    公开(公告)日:2025-01-21

    申请号:US18014766

    申请日:2021-07-30

    Abstract: A pixel driving circuit includes: a driving transistor, a data write circuit, a threshold compensation circuit, a first capacitor, and a second capacitor. A gate of the driving transistor is coupled to a first node, a first electrode is coupled to a second node, and a second electrode is coupled to a third node. The data write circuit is configured to transmit a signal of a data signal terminal to the second node in response to a signal of a first gate driving signal terminal. The threshold compensation circuit is configured to communicate the first node with the third node in response to a signal of a second gate driving signal terminal. The first capacitor is coupled between the first node and the first gate driving signal terminal. The second capacitor is coupled between the first node and the second gate driving signal terminal.

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