DISPLAY PANEL AND DISPLAY DEVICE
    1.
    发明公开

    公开(公告)号:US20230351940A1

    公开(公告)日:2023-11-02

    申请号:US18344897

    申请日:2023-06-30

    CPC classification number: G09G3/2092 G09G2310/0286 G09G2310/08 G11C19/28

    Abstract: Provided are a display panel and a display device. The display panel includes a driver circuit including N stages of cascaded shift registers, where N≥2. A shift register includes a first control part and a second control part. The second control part includes a first control unit and a second control unit. The first control unit comprises a first gating unit. One terminal of the first gating unit is connected to a preset node, another terminal of the first gating unit is connected to a fourth node, and a control terminal of the first gating unit is configured to receive a fifth voltage signal. The second control unit is configured to receive at least a third voltage signal and a signal of the fourth node or receive at least a fourth voltage signal and a signal of a fifth node and generate an output signal.

    DISPLAY PANEL AND DISPLAY DEVICE
    2.
    发明公开

    公开(公告)号:US20230290289A1

    公开(公告)日:2023-09-14

    申请号:US18198112

    申请日:2023-05-16

    Abstract: A display panel includes a driving circuit. The driving circuit includes N levels of shift registers cascaded with each other, N≥2. A shift register of the N levels of the shift registers includes a third control unit and a fourth control unit. The third control unit is configured to receive the first voltage signal and a second voltage signal and control a signal of a fourth node in response to the signal of the second node and a signal of a third node. The first voltage signal is a high-level signal and the second voltage signal is a low-level signal. The fourth control unit is configured to receive a third voltage signal and a fourth voltage signal and generate an output signal in response to the signal of the first node and the signal of the fourth node and includes a first transistor and a second transistor.

    DISPLAY PANEL AND DISPLAY DEVICE
    3.
    发明申请

    公开(公告)号:US20220327980A1

    公开(公告)日:2022-10-13

    申请号:US17855139

    申请日:2022-06-30

    Abstract: A display panel and a display device are provided. The display panel includes a driving circuit and the driving circuit includes N-level shift registers cascaded with each other, where N is greater than or equal to two. A shift register of the N-level shift registers includes: a third control unit, configured to control a signal of a fourth node, the third control unit receives a first voltage signal and a second voltage signal, the first voltage signal is a high-level signal, and the second voltage signal is a low-level signal; and a fourth control unit, configured to generate an output signal, the fourth control unit receives a third voltage signal and a fourth voltage signal. The display panel further includes a pixel circuit, the pixel circuit includes a driving transistor, the driving circuit provides a first driving signal.

    DISPLAY PANEL AND DISPLAY DEVICE
    5.
    发明申请

    公开(公告)号:US20220208051A1

    公开(公告)日:2022-06-30

    申请号:US17451126

    申请日:2021-10-15

    Abstract: A display panel and a display device are provided. The display panel includes a driving circuit. The driving circuit includes N-level shift registers cascaded with each other, where N is greater than or equal to two. A shift register includes: a first control unit configured to receive an input signal and control a signal of a first node; a second control unit configured to receive a first voltage signal and control a signal of a second node; a third control unit configured to receive the first voltage signal and generate an output signal, or receive a second voltage signal and generate an output signal in response to a signal of a third node connected to the first node; and a fourth control unit configured to receive the second voltage signal and control the signal of the first node. The first and second voltage signals are high-level and low-level signals, respectively.

    DISPLAY PANEL AND DISPLAY DEVICE
    6.
    发明公开

    公开(公告)号:US20240063226A1

    公开(公告)日:2024-02-22

    申请号:US18384593

    申请日:2023-10-27

    CPC classification number: H01L27/1225 G11C19/28 G09G2310/0286

    Abstract: A display panel includes at least one driving circuit and at least one pixel circuit. A driving circuit of the at least one driving circuit provides a driving signal for a pixel circuit of the at least one pixel circuit. The driving circuit includes N-level shift registers cascaded with each other. N is greater than or equal to two. The pixel circuit provides a display signal for a display unit of the display panel. A shift register of the N-level shift registers includes at least one first transistor. The at least one first transistor includes at least one first active layer, and an active layer with a largest area among the at least one first active layer is a first preset active layer. The pixel circuit includes at least one second transistor. The at least one second transistor includes at least one second active layer.

    DISPLAY PANEL AND DISPLAY DEVICE
    7.
    发明公开

    公开(公告)号:US20240055437A1

    公开(公告)日:2024-02-15

    申请号:US18384565

    申请日:2023-10-27

    Abstract: A display panel includes a base substrate, a first transistor, and a second transistor. The first transistor and the second transistor are formed on the base substrate. The first transistor includes a first active layer, a first gate electrode, a first source electrode, and a first drain electrode. The first active layer includes silicon. The second transistor includes a second active layer, a second gate electrode, a second source electrode, and a second drain electrode. The second active layer includes oxide semiconductor. A length of a channel region of the first transistor is L1. Along a direction perpendicular to the base substrate, a distance between the first gate electrode and the first active layer is D1. A length of a channel region of the second transistor is L2. Along the direction perpendicular to the base substrate, a distance between the second gate electrode and the second active layer is D2.

    DISPLAY PANEL AND DISPLAY DEVICE
    8.
    发明公开

    公开(公告)号:US20230282145A1

    公开(公告)日:2023-09-07

    申请号:US18198013

    申请日:2023-05-16

    Abstract: A display panel includes a pixel circuit and a driving circuit. The pixel circuit includes a driving transistor. The driving circuit is configured to provide a signal for the pixel circuit, receive a third voltage signal and a fourth voltage signal, and generate an output signal. The third voltage signal is a high-level signal, and the fourth voltage signal is a low-level signal. A working process of the pixel circuit includes a reset phase and a bias phase. The output signal of the driving circuit is a reset signal in the reset phase. The output signal of the driving circuit is a bias signal in the bias phase. In response to the driving transistor being a PMOS transistor, the reset signal is the fourth voltage signal, and the bias signal is the third voltage signal.

    DISPLAY PANEL AND DISPLAY DEVICE
    9.
    发明公开

    公开(公告)号:US20230215369A1

    公开(公告)日:2023-07-06

    申请号:US18182216

    申请日:2023-03-10

    Abstract: Disclosed are a display panel and a display device. The display panel includes a pixel circuit. In the pixel circuit, a reset device includes a first sub-transistor and a second sub-transistor, and a connection node between the first sub-transistor and the second sub-transistor is a second node; a compensation device includes a third sub-transistor and a fourth sub-transistor, a connection node between the third sub-transistor and the fourth sub-transistor is a third node; the pixel circuit includes a second capacitor and a third capacitor; two pole plates of the second capacitor are respectively connected to a line of first scan signal and the second node; two pole plates of the third capacitor are respectively connected to a line of second scan signal and the third node; and the second capacitor (C2) and the third capacitor (C3) satisfy: C2≤C3.

    DISPLAY PANEL, DRIVING METHOD THEREOF AND DISPLAY DEVICE

    公开(公告)号:US20230196992A1

    公开(公告)日:2023-06-22

    申请号:US18108373

    申请日:2023-02-10

    Abstract: Provided are a display panel, a driving method thereof and a display device. The display panel includes: a pixel circuit and a light-emitting element, where the pixel circuit includes a light emitting control module, a drive module and a compensation module; the light emitting control module includes a first light emitting control module configured to selectively provide a first power supply signal for the drive module; the drive module is configured to provide a drive current for the light-emitting element and comprises a drive transistor; the compensation module is configured to compensate a threshold voltage of the drive transistor; and a working process of the pixel circuit includes a light emitting stage and a bias stage.

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