Flexible sensor
    1.
    发明授权

    公开(公告)号:US12268555B2

    公开(公告)日:2025-04-08

    申请号:US17416712

    申请日:2020-09-28

    Abstract: Embodiments of the present disclosure provide a flexible sensor, including a flexible substrate; a plurality of ultrasonic detectors, on the flexible substrate; and a plurality of detection circuits, respectively corresponding to the ultrasonic detectors; wherein each of the detection circuits is between the flexible substrate and the corresponding ultrasonic detector, and configured to drive the ultrasonic detector to emit an ultrasonic wave, and detect a detection signal output by the ultrasonic detector after receiving the ultrasonic wave; each of the ultrasonic detectors includes: a first electrode coupled to the corresponding detection circuit, a second electrode on a side of the first electrode away from the flexible substrate, and a piezoelectric induction layer between the first electrode and the second electrode; a plurality of holes are provided in a region other than a region where the detection circuits are located.

    Pixel driving circuit and driving method therefor, and display panel

    公开(公告)号:US11024232B2

    公开(公告)日:2021-06-01

    申请号:US16769420

    申请日:2019-11-11

    Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a driving sub-circuit, a reset sub-circuit, a light-emitting control sub-circuit, and a first compensation sub-circuit, the reset sub-circuit, the light-emitting control sub-circuit, and the first compensation sub-circuit are configured to, in an initialization phase, under control of a first driving signal and a second driving signal, provide the first power supply voltage provided by the first power supply input terminal to the control terminal of the driving sub-circuit; the first terminal of the driving sub-circuit is connected to the second power supply input terminal to receive the second power supply voltage; and the first power supply voltage and the second power supply voltage are configured to cause the driving sub-circuit to be in an on-bias state in the initialization phase.

    Pixel circuit, driving method and display device

    公开(公告)号:US12293715B2

    公开(公告)日:2025-05-06

    申请号:US18247634

    申请日:2022-06-24

    Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.

    Display panel, display device and virtual reality device

    公开(公告)号:US12199105B2

    公开(公告)日:2025-01-14

    申请号:US18021902

    申请日:2022-05-24

    Abstract: The embodiment of the present disclosure provides a display panel, which includes an array substrate, a counter substrate and a spacer. The array substrate includes a base substrate and a plurality of signal lines on the base substrate. The plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines. The plurality of first signal lines and the plurality of second signal lines intersect each other to define a plurality of first regions. The plurality of first regions include a plurality of first pixel regions, at least one second pixel region and at least one redundant region. The first signal line extends along a first direction, the second signal line includes a body portion extending along a second direction, at least one second signal line further includes a bending portion connected to the body portion.

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