Display Panel and Display Apparatus
    1.
    发明公开

    公开(公告)号:US20240292155A1

    公开(公告)日:2024-08-29

    申请号:US18023707

    申请日:2022-05-31

    CPC classification number: H04R9/063 H04R1/2811 H04R1/2849 H04R2400/11

    Abstract: A display panel includes at least two first display units, the first display unit includes at least one first sub-display unit, the first sub-display unit includes a first sub-display panel and a vibration device connected with the first sub-display panel, the at least two first display units are arranged along a first direction to form a display unit row, in one of the display unit rows, the distance L1 of sound channel centers of two adjacent first display units in the first direction is:




    2
    ×
    W
    ×
    tan



    (

    β
    2

    )







    wherein, W is the vertical distance between the sound receiving position and a side surface of the display panel facing the sound receiving position; β is an angle between linear distances from the sound channel centers of two adjacent first display units to the sound receiving position respectively in a display unit row, and the β is greater than 2.4 degrees.

    ULTRASONIC TRANSDUCER, FABRICATION METHOD THEREOF AND ELECTRONIC DEVICE

    公开(公告)号:US20240267680A1

    公开(公告)日:2024-08-08

    申请号:US18021544

    申请日:2022-05-27

    CPC classification number: H04R7/10 H04R31/003

    Abstract: Provides are an ultrasonic transducer, a fabrication method thereof and an electronic device. The ultrasonic transducer includes: an array substrate having a groove, a bottom electrode and an insulation layer, wherein an orthographic projection of the groove on the array substrate is within an orthographic projection of the bottom electrode on the array substrate, and the insulation layer covers the bottom electrode; and an opposite substrate, the opposite substrate and the array substrate are oppositely arranged and are attached to each other, the opposite substrate and the array substrate form a cavity in the groove, the opposite substrate has a top electrode and a vibrating diaphragm layer which are arranged in stack, and an orthographic projection of the top electrode on the array substrate is within the orthographic projection of the bottom electrode on the array substrate.

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