An embedded touch display screen, its driving method and display device
A touch display, embedded technology, applied in the direction of static indicators, instruments, electrical digital data processing, etc., can solve the problems of high production cost, low light transmittance, thick modules, etc.
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Embodiment 1
[0096] In the first phase T1 (reset charging phase), Scan1=1, Scan2=0, EM=1.
[0097] Such as Figure 5a As shown, the second switching transistor T2 and the third switching transistor T3 are in the on state, the first switching transistor T1, the first driving transistor DT1 and the second driving transistor DT2 are in the off state; the first reference of the first reference signal terminal VDD The signal is transmitted to the second node B through the turned-on third switching transistor T3, so that the potential of the second node B is the potential V of the first reference signal dd , the signal at the second node B is transmitted to the first node A through the turned-on second switching transistor T2, so the potential of the first node A is also the potential V of the first reference signal dd , the potential of the second reference signal terminal Vint is the potential V of the second reference signal ss , the capacitor C1 begins to charge.
[0098] In the second ph...
Embodiment 2
[0129] Take a sub-pixel as an example, such as Figure 8 As shown, the array substrate 1 sequentially includes a buffer layer 221, an active layer 222, a gate insulating layer 223, a gate 224, an interlayer insulating layer 225, a source electrode 226, a drain electrode 227, and a wire 110 arranged on the same layer. layer 228, the anode layer 211 and the cathode connection part 214, the light emitting layer 212, the sub-pixel defining layer 215 surrounding the light emitting layer 212, and the cathode layer 213.
[0130] Wherein, the cathode layer 213 is connected to the cathode connection part 214 through the via hole penetrating the sub-pixel defining layer 215, the anode layer 211 is connected to the drain electrode 227 through the via hole penetrating the planarization layer 228, and the cathode connection part 214 is connected to the drain electrode 227 through the The via hole is connected to the wire 110, the source electrode 226 and the drain electrode 227 are respect...
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