Touch display circuit, driving method thereof, touch display panel and display device
A touch display and circuit technology, applied in static indicators, electrical digital data processing, cathode ray tube indicators, etc., can solve the problems of limiting the application of embedded technology, increasing wiring space, etc.
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[0081] In the T1 phase of the touch phase, Input=1, Reset=0, CK=0, CKB=1, Change=0, Vref1=0. The second switching transistor M2 and the third switching transistor M3 are turned off. Since Input=1, the first switching transistor M1 is turned on, the potential of the pull-up node PU is pulled high, the fourth switching transistor M4 is turned on, and the turned-on fourth switching transistor M4 provides the signal of the first clock signal terminal CK to the touch signal output terminal Output, and because CKB=1, the fifth switch transistor M5 is turned on, and the turned-on fifth switch transistor M5 provides the signal of the first reference signal terminal Vref1 to the touch signal output terminal Output, so the touch The control signal output terminal Output outputs a low potential signal.
[0082] In the T2 phase of the touch phase, Input=0, Reset=0, CK=1, CKB=0, Change=0, Vref1=0. The first switching transistor M1, the second switching transistor M2 and the third switchi...
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