Display panel, method for controlling display panel, and display device
View Patent ↗Embodiments of the present disclosure provide a display panel, a control method and a display device, which relate to the field of force touch display technologies, and can improve sensitivity of the force sensing unit. The display panel includes: a plurality of force sensing branches connected in parallel; a plurality of force sensing unit sets corresponding to the plurality of force sensing branches; and a plurality of switch units corresponding to the plurality of force sensing branches; wherein each of the force sensing unit sets includes one or more force sensing unit, each force sensing unit includes two input ends, the input ends of the force sensing units in each of the force sensing unit sets are mutually connected in series or in parallel in a corresponding force sensing branch; and wherein the switch units are arranged in a corresponding one force sensing branches in series.
1. A display device, comprising a display panel, wherein the display panel comprises:
a plurality of force sensing branches connected in parallel;
a plurality of force sensing unit sets respectively corresponding to the plurality of force sensing branches; and
a plurality of switch units respectively corresponding to the plurality of force sensing branches, each of the plurality of switch units is connected in series in a corresponding force sensing branch;
wherein each of the plurality of force sensing branches comprises one of the plurality of force sensing unit set and one of the plurality of switch units, each of the plurality of force sensing unit sets comprises one or more force sensing units, each force sensing unit comprises a first input end and a second input end, the first input ends of all force sensing units in all of the plurality of force sensing branches are connected to one another, and the second input end of each force sensing unit in each of the plurality of force sensing branches is connected to one of the plurality of switch units,
each of the force sensing units is a silicon piezoresistive force sensor, the silicon piezoresistive force sensor comprises four edges, the first input end, the second input end, a first output end and a second output end, the four edges are respectively connected with the first input end, the second input end, the first output end and the second output end, the first input end and the second input end are respectively connected with two opposite edges of the four edges, and the first output end and the second output end are respectively connected with the other two opposite edges of the four edges.
2. A display panel, comprising:
a plurality of force sensing branches connected in parallel;
a plurality of force sensing unit sets respectively corresponding to the plurality of force sensing branches; and
a plurality of switch units respectively corresponding to the plurality of force sensing branches, each of the plurality of switch units is connected in series in a corresponding force sensing branch;
wherein each of the plurality of force sensing branches comprises one of the plurality of force sensing unit set and one of the plurality of switch units, each of the plurality of force sensing unit sets comprises one or more force sensing units, each force sensing unit comprises a first input end and a second input end, the first input ends of all force sensing units in all of the plurality of force sensing branches are connected to one another, and the second input end of each force sensing unit in each of the plurality of force sensing branches is connected to one of the plurality of switch units,
each of the force sensing units is a silicon piezoresistive force sensor, the silicon piezoresistive force sensor comprises four edges, the first input end, the second input end, a first output end and a second output end, the four edges are respectively connected with the first input end, the second input end, the first output end and the second output end, the first input end and the second input end are respectively connected with two opposite edges of the four edges, and the first output end and the second output end are respectively connected with the other two opposite edges of the four edges.
3. The display panel according to claim 2 , further comprising:
a gate electrode drive circuit, the gate electrode drive circuit comprising a plurality of vertical shift registers;
wherein the plurality of shift registers comprises multiple assigned shift registers, and each of the assigned shift registers corresponds to one or more of the switch units;
wherein each of the switch units has a control end; and
wherein an output end of each of the assigned shift registers is electrically connected with the control end of the corresponding one or more of the switch units.
4. The display panel according to claim 3 , wherein
the plurality of switch units are thin film transistors.
5. The display panel according to claim 2 , wherein
the display panel has a display area and a non-display area surrounding the display area; and
the plurality of force sensing unit sets is located in the non-display area.
6. The display panel according to claim 2 , wherein
each of the force sensing unit sets comprises a single force sensing unit.