GOA CIRCUIT FOR IN-CELL TYPE TOUCH DISPLAY PANEL

    公开(公告)号:US20170102805A1

    公开(公告)日:2017-04-13

    申请号:US15009803

    申请日:2016-01-28

    CPC classification number: G06F3/0412 G06F3/044 G06F2203/04103

    Abstract: The invention discloses a GOA circuit for in-cell type touch display panel; during black screen, using a first global control signal to make a thirteenth N-type TFT conductive to raise a scan driving signal of each stage to high, using the first global control signal to make a twelfth N-type TFT conductive to pull down a voltage level of a second node, and pulling down a voltage level of a first node to avoid ineffective all-gate-on function; using a reset signal and a fourteenth N-type TFT to reset the second node to realize the normal output after awaking from black screen; during stop, setting a negative voltage as a pulse signal having same amplitude, phase and frequency as a touch signal, using a second global control signal to make the fifteenth N-type TFT conductive to output the negative voltage in pulse form to reduce cross-talk between the touch signal and a scan output end.

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