Touch substrate, touch display panel, touch display device and touch driving method

    公开(公告)号:US11237676B2

    公开(公告)日:2022-02-01

    申请号:US16606331

    申请日:2019-03-22

    IPC分类号: G06F3/044

    摘要: A touch substrate, a touch display panel, a touch display device, and a touch driving method are provided. The touch substrate includes: a base substrate, on which a touch electrode pattern is formed. The touch electrode pattern includes at least one electrode group, and each electrode group includes a driving electrode and a sensing electrode which are arranged in a row along a first direction of the base substrate and insulated from each other. In each electrode group, the driving electrode has a plurality of driving electrode portions coupled to each other, and the sensing electrode has a plurality of sensing electrode blocks. Each driving electrode portion is respectively between two adjacent sensing electrode blocks; and the sensing electrode block has a plurality of sensing electrode regions with different areas.

    Touch display panel and display device

    公开(公告)号:US11231796B2

    公开(公告)日:2022-01-25

    申请号:US16767642

    申请日:2019-12-16

    IPC分类号: G06F3/041 B32B7/12

    摘要: The present disclosure provides a touch display panel and a display device. The touch display panel includes a display substrate, a touch circuit on a side of a light emergent surface of the display substrate and a first optical adhesive between the display substrate and the touch circuit, wherein a rough contact surface exists on a part, located in a frame region, of the first optical adhesive; the touch circuit includes: a plurality of touch traces insulated from one another and located in the frame region; each of the touch traces is arranged to be stacked, and an orthographic projection of each of the touch traces on the display substrate covers an orthographic projection of a part, located in the frame region, of the first optical adhesive on the display substrate.

    TEST DISPLAY PANEL, DRIVING METHOD THEREOF AND FORMING METHOD THEREOF

    公开(公告)号:US20190088179A1

    公开(公告)日:2019-03-21

    申请号:US16056476

    申请日:2018-08-06

    IPC分类号: G09G3/00 G09G3/3258 G09G3/20

    摘要: A test display panel is configured for application to a lighting test, and includes a plurality of reference voltage input terminals and a plurality of sub-pixels. The reference voltage input terminals are in a one-to-one correspondence to the sub-pixels. The display panel further includes a reference voltage supply circuit and a plurality of reference voltage lines. The sub-pixels include a plurality of first sub-pixels, second sub-pixels, and third sub-pixels having different colors. The reference voltage lines include a first reference voltage line, a second reference voltage line, and a third reference voltage line, each corresponding to respective sub-pixels. The reference voltage supply circuit is configured to provide reference voltages to the plurality of reference voltage lines in a time division manner. The reference voltage lines are electrically coupled to respective reference voltage input terminals of the sub-pixels.