Display panel, integrated chip component and display device

    公开(公告)号:US12080210B2

    公开(公告)日:2024-09-03

    申请号:US18102783

    申请日:2023-01-30

    IPC分类号: G09G3/20

    摘要: The application provides a display panel, integrated chip component and display device. The display panel includes: a first display area and a second display area; pixel circuits comprising first pixel circuits and second pixel circuits, the first pixel circuits and the second pixel circuits being configured to provide driving currents for light-emitting elements in the first display area and the second display area, respectively; and first pixel units and second pixel units, each first pixel unit comprising a first pixel circuit and a light-emitting element connected to the first pixel circuit, and each second pixel unit comprising a second pixel circuit and a light-emitting element connected to the second pixel circuit; wherein each first pixel unit is configured to receive a first power supply signal V1 and a second power supply signal V2, V1>V2.

    DISPLAY APPARATUS
    44.
    发明公开
    DISPLAY APPARATUS 审中-公开

    公开(公告)号:US20240282244A1

    公开(公告)日:2024-08-22

    申请号:US18388835

    申请日:2023-11-11

    IPC分类号: G09G3/32

    摘要: A display apparatus includes: a gamma reference voltage generator, a digital-to-analog converter, an amplifier and a bias voltage applier. The gamma reference voltage generator is configured to generate a gamma reference voltage. The digital-to-analog converter is configured to convert a data signal to a data voltage based on the gamma reference voltage. The amplifier is configured to receive the data voltage from the digital-to-analog converter and to output the data voltage to a data line. The bias voltage applier is configured to output a first bias voltage to the gamma reference voltage generator and to output a second bias voltage to the amplifier. The bias voltage applier is turned off while input image data have a black image.

    DISPLAY DRIVER AND CHARGE RECYCLING METHOD USING THE SAME

    公开(公告)号:US20240282231A1

    公开(公告)日:2024-08-22

    申请号:US18172291

    申请日:2023-02-21

    IPC分类号: G09G3/20 H02J7/34

    摘要: A display driver and a charge recycling method are provided. The display driver includes a charging and discharging circuit and a control circuit. A first terminal of the charging and discharging circuit is coupled to at least one of the scan lines, and a second terminal of the charging and discharging circuit is coupled to at least one of the data lines. The control circuit is coupled to a first control terminal and a second control terminal of the charging and discharging circuit. The charging and discharging circuit receives a first current generated by discharging the at least one of the scan lines to charge the capacitor based on a first control signal. The charging and discharging circuit discharges the capacitor to generate a second current for charging the at least one of the data lines based on a second control signal.

    DISPLAY DEVICE AND METHOD FOR DRIVING SAME
    50.
    发明公开

    公开(公告)号:US20240274090A1

    公开(公告)日:2024-08-15

    申请号:US18566949

    申请日:2021-07-05

    发明人: Kaoru YAMAMOTO

    IPC分类号: G09G3/3275 G09G3/3266

    摘要: To realize frame narrowing of a display device that uses a display element driven by a current. A second scanning signal line drive circuit configured to drive second scanning signal lines each connected to a control terminal of a writing control transistor is constituted by a shift register composed of unit circuits equal in number to half a number of the second scanning signal lines. Each of the unit circuits included in the shift register collectively drives two of the second scanning signal lines adjacent to each other. In a period during which a power supply control transistor and a light emission control transistor are maintained in an off state and the writing control transistor is maintained in an on state in first and second pixel circuits connected to the two second scanning signal lines adjacent to each other, a threshold voltage compensation transistor and an initialization transistor in the first pixel circuit and a threshold voltage compensation transistor and an initialization transistor in the second pixel circuit are sequentially set to an on state for a predetermined period each.