Display device, power supply circuit and power supply method

    公开(公告)号:US11289020B2

    公开(公告)日:2022-03-29

    申请号:US16064612

    申请日:2018-01-10

    Inventor: Xinbin Han Xin Wang

    Abstract: A display device, a power supply circuit and a power supply method are provided. The power supply circuit includes a control sub-circuit and a delay sub-circuit. The control sub-circuit is configured to provide a first preset voltage and a second preset voltage and output the first preset voltage to a first power supply terminal; and delay sub-circuit is configured to delay the second preset voltage and output the delayed second preset voltage to a second power supply terminal.

    Touch display panel and electronic product

    公开(公告)号:US12254157B2

    公开(公告)日:2025-03-18

    申请号:US18274204

    申请日:2022-07-12

    Abstract: A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

    Photocurrent amplification circuit, amplification control method, optical detection module and display apparatus

    公开(公告)号:US12216003B2

    公开(公告)日:2025-02-04

    申请号:US18032923

    申请日:2022-01-25

    Abstract: A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.

    DISPLAY PANEL AND DISPLAY APPARATUS
    17.
    发明公开

    公开(公告)号:US20240179973A1

    公开(公告)日:2024-05-30

    申请号:US18264484

    申请日:2022-11-25

    CPC classification number: H10K59/131

    Abstract: A display panel is provided. The display panel includes a display area and a peripheral area. The peripheral area includes a first region, a second region, a third region, and a fourth region. The second region includes a scan circuit configured to generate control signals for subpixels in the display area. The third region includes a voltage supply pad configured to provide a voltage supply signal to the subpixels in the display area. The first region includes fanout lines connecting the scan circuit to the subpixels in the display area. The fourth region includes one or more sub-regions.

    Current detection device and display device

    公开(公告)号:US11631351B2

    公开(公告)日:2023-04-18

    申请号:US17245026

    申请日:2021-04-30

    Abstract: Disclosed in the embodiments of the present disclosure are a current detection device and a display device. The current detection device includes: a plurality of detection circuits; the detection circuit includes: a feedback compensation circuit and a current detection circuit; and the feedback compensation circuit is configured to generate a noise inversion signal by inverting a noise AC signal generated on the predetermined power line in the display panel and to provide the noise inversion signal to a first end of the current detection circuit; and the current detection circuit is configured to output a detection signal to the signal output end according to the noise inversion signal, the signal on the detection line and the signal of the reference voltage end.

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