Pixel circuit and driving method thereof, and display panel

    公开(公告)号:US10269297B2

    公开(公告)日:2019-04-23

    申请号:US15748956

    申请日:2017-06-28

    Abstract: A pixel circuit, a driving method of the pixel circuit, and a display panel, the pixel circuit includes a first sub-pixel circuit configured to write a first data voltage provided by the first data line under control of the first scan line, and generate a compensation voltage at the first node; at least one second sub-pixel circuit configured to perform threshold voltage compensation by the compensation voltage generated at the first node; the at least one second sub-pixel circuit is configured to write a second data voltage provided by the second data line under control of the second scan line based on a display mode.

    Touch display device
    65.
    发明授权

    公开(公告)号:US10209793B2

    公开(公告)日:2019-02-19

    申请号:US15208363

    申请日:2016-07-12

    Abstract: The embodiments of the present application relate to the technical field of touch display device, and disclose a touch display device, including a touch display panel and a control unit arranged on a side of the touch display panel, with a first wiring area being arranged between the touch display panel and the control unit; wherein a plurality of data connection lines and a plurality of touch connection lines are led out of a side edge of the touch display panel, the plurality of data connection lines being connected with a plurality of data pins on the control unit in a one-to-one correspondence manner, while the plurality of touch connection lines being connected with a plurality of touch pins on the control unit in a one-to-one correspondence manner; and wherein within the first wiring area, the plurality of data connection lines are divided into two wiring layers, the plurality of touch connection lines being arranged at least in layer in which one wiring layer of the data connection lines are located. According to the above technical scheme, by arranging the data connection lines in a layering manner, a bezel width occupied by the data connection lines is reduced, and influence of the data connection lines on the bezel width is in turn reduced, facilitating development of the slim bezel of the touch display device.

    Adapter device for text, terminal test system and test method

    公开(公告)号:US10186182B2

    公开(公告)日:2019-01-22

    申请号:US15788929

    申请日:2017-10-20

    Abstract: An adapter device for test, including: an adapter board having a voltage input terminal connected to an external power supply and an output terminal connected to a terminal to be tested; a voltage conversion circuit disposed on the adapter board and connected to the voltage input terminal and configured to convert the voltage of the external power supply received at the voltage input terminal into a test voltage to be supplied to the terminal to be tested; a feedback circuit connected to the voltage conversion circuit and configured to compare the test voltage with a reference voltage to provide feedback data; and a compensation circuit connected to the feedback circuit and the adapter board, and configured to generate a compensation voltage based on the feedback data and apply the compensation voltage to the adapter board to compensate for the test voltage.

    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.

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