Display substrate, display panel, display apparatus and method for driving the same
Embodiments of the present disclosure disclose a display substrate, a display panel, a display apparatus, and a method for driving a display apparatus. The display substrate includes: a plurality of first wiring groups each comprising a plurality of first wirings extending in a first direction; a plurality of second wiring groups each comprising a plurality of second wirings and at least one transmission signal line extending in a second direction crossing the first direction; a plurality of first switching circuits each connecting a plurality of first wirings in a corresponding one of the first wiring groups to a control signal line; and a plurality of second switching circuits each connecting a plurality of second wirings in a corresponding one of the second wiring groups to the control signal line.
1. A display substrate, comprising:
a plurality of first wiring groups each comprising a plurality of first wirings extending in a first direction;
a plurality of second wiring groups each comprising a plurality of second wirings and at least one transmission signal line extending in a second direction crossing the first direction;
a plurality of first switching circuits each connecting a plurality of first wirings in a corresponding one of the first wiring groups to a control signal line;
a plurality of second switching circuits each connecting a plurality of second wirings in a corresponding one of the second wiring groups to the control signal line; and
a gate layer and a source/drain layer;
wherein for each of the first wiring groups, at least one first wiring is electrically connected to a transmission signal line in a corresponding one of the plurality of second wiring groups via at least one first via; and
wherein the plurality of first wirings are located in the gate layer, and the plurality of second wirings and the transmission signal line are located in the source/drain layer.
2. The display substrate according to claim 1 , wherein:
each of the plurality of first switching circuits comprises at least one first Thin Film Transistor (TFT), each first TFT having a control electrode connected to the control signal line, and a first electrode and a second electrode connected to two adjacent first wirings in a corresponding one of the plurality of first wiring groups, respectively; and
each of the plurality of second switching circuits comprises at least one second TFT, each second TFT having a control electrode connected to the control signal line, and a first electrode and a second electrode connected to two adjacent second wirings in a corresponding one of the plurality of second wiring groups, respectively.
3. The display substrate according to claim 1 , wherein the plurality of second wirings comprise wirings for touch sensing.
4. The display substrate according to claim 1 , further comprising a single common electrode.
5. The display substrate according to claim 4 , wherein the common electrode is electrically connected to the second wiring groups via at least one second via.
6. A display panel, comprising the display substrate according to claim 1 .
7. A display apparatus, comprising the display panel according to claim 6 and a driver Integrated Circuit (IC).
8. The display apparatus according to claim 7 , wherein the driver IC is connected to the second wiring groups and is connected to the first wiring groups via the transmission signal line.
9. The display apparatus according to claim 7 , wherein the driver IC is connected to a common electrode via the second wiring groups.
10. A method for driving the display apparatus according to claim 7 , the method comprising:
switching off, during a display period of an image frame, the first switching circuits and the second switching circuits under control of a control signal on the control signal line; and
switching on, during a touch period of the image frame, the first switching circuits and the second switching circuits under control of the control signal.
11. The method according to claim 10 , wherein the driver IC is configured to, during the touch period, apply a touch scanning signal to the first wiring groups, and detect whether self-capacitance of the first wirings and the second wirings change.