Display substrate, display panel and display device

    公开(公告)号:US10115927B2

    公开(公告)日:2018-10-30

    申请号:US15715323

    申请日:2017-09-26

    Abstract: A display substrate, a display panel and a display device are provided. The display substrate includes: a base substrate including a plurality of display units, wherein each of the plurality of display units is provided with an anode, an organic light-emitting layer and a cathode, wherein anodes of different display units are separated from each other; a plurality of cathode lines connected to the driving ICs, wherein the cathode lines are arranged between the cathode and the base substrate; an insulating layer arranged between the cathode lines and the cathodes, wherein a plurality of cathode windows corresponding to the cathode lines formed in the insulating layer, wherein at least part of the plurality of cathode windows respectively corresponds to at least two display regions, a cathode at each of the display region is connected to the respective cathode line via the cathode window corresponding to the display region.

    PRESSURE SENSING STRUCTURE, PRESSURE SENSING PANEL AND PRESSURE SENSING DISPLAY DEVICE

    公开(公告)号:US20170220169A1

    公开(公告)日:2017-08-03

    申请号:US15229222

    申请日:2016-08-05

    Abstract: Embodiments of the present disclosure relate to a pressure sensing structure, a pressure sensing panel and a pressure sensing display device. The pressure sensing structure includes a first electrode, a second electrode, a common electrode, a capacitance detection unit and a pressure grade identification unit; a first insulating layer is provided between the first and second electrodes, a second insulating layer is provided between the second electrode and the common electrode; the first and/or the second electrodes include a plurality of sub-electrodes which are separated from each other; a plurality of through holes are provided in the first insulating layer, a conductive sliding cylinder is provided in each of the through holes, the sliding cylinder is connected to the first electrode and spaced apart from the second electrode by a gap in an initial unstressed state, the sliding cylinder slides to the second electrode along the through hole when being subjected to a pressure, which results in a change in capacitance value between the first and second electrodes and in turn a change in a capacitance value between the first electrode and the common electrode, wherein the gap value between the slide cylinders in the plurality of through holes and the second electrodes are classified into a plurality of grades; the capacitance detection unit is connected with the first electrode and the common electrode respectively so as to detect the capacitance value between the first electrode and the common electrode; the pressure grade identification unit determines the grade of user's pressure according to the detected capacitance value.

Patent Agency Ranking