Display panel, method for driving the same and display device
First Claim
1. A display panel comprising:
- a first substrate and a second substrate arranged opposite to each other, whereinthe first substrate comprises;
a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; and
the second substrate comprises;
a second base, and pressure sensing electrodes that are arranged on the second base at a side facing the first substrate, wherein the pressure sensing electrodes are arranged opposite to the voltage-fixed electrodes respectively, and each pressure sensing electrode is configured to detect a pressure applied at a touch position on the display panel according to a capacitance between the pressure sensing electrode and the corresponding voltage-fixed electrode at a pressure detection stage,wherein the second substrate further comprises pixel electrodes and a common electrode that are arranged on the second base at the side facing the first substrate, and the pixel electrodes are arranged on the common electrode at a side that is farther away from the second base than the other side of the common electrode; and
orthogonal projections of the pressure sensing electrodes on the second base are not overlapped with orthogonal projections of the pixel electrodes on the second base;
at a touch recognition stage, the voltage-fixed electrodes function as the touch sensing electrodes, and a predetermined portion of the common electrode functions as touch scanning electrodes;
the common electrode comprises a plurality of strip-like sub-electrodes and a plurality of plate-like sub-electrodes, and the strip-like sub-electrodes extend in a first direction;
the strip-like sub-electrodes are arranged opposite to the voltage-fixed electrodes, all of the plate-like sub-electrodes are arranged in an array including a plurality of electrode groups, and each of the electrode groups comprises a plurality of plate-like sub-electrodes arranged in a second direction and electrically connected to each other; and
at the touch recognition stage, the electrode groups function as the touch scanning electrodes.
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Accused Products
Abstract
The present disclosure discloses a display panel, a method for driving the same and a display device. The display panel includes a display panel including a first substrate and a second substrate arranged opposite to each other. The first substrate includes: a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate. A fixed voltage is applied to each of the voltage-fixed electrodes. The second substrate includes: a second base, and pressure sensing electrodes that are arranged on the second base at a side facing the first substrate. The pressure sensing electrodes are arranged opposite to the voltage-fixed electrodes respectively, and configured to detect a pressure applied at a touch position on the display panel according to capacitances between the pressure sensing electrodes and the corresponding voltage-fixed electrodes at a pressure detection stage.
39 Citations
20 Claims
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1. A display panel comprising:
- a first substrate and a second substrate arranged opposite to each other, wherein
the first substrate comprises;
a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; andthe second substrate comprises;
a second base, and pressure sensing electrodes that are arranged on the second base at a side facing the first substrate, wherein the pressure sensing electrodes are arranged opposite to the voltage-fixed electrodes respectively, and each pressure sensing electrode is configured to detect a pressure applied at a touch position on the display panel according to a capacitance between the pressure sensing electrode and the corresponding voltage-fixed electrode at a pressure detection stage,wherein the second substrate further comprises pixel electrodes and a common electrode that are arranged on the second base at the side facing the first substrate, and the pixel electrodes are arranged on the common electrode at a side that is farther away from the second base than the other side of the common electrode; and
orthogonal projections of the pressure sensing electrodes on the second base are not overlapped with orthogonal projections of the pixel electrodes on the second base;at a touch recognition stage, the voltage-fixed electrodes function as the touch sensing electrodes, and a predetermined portion of the common electrode functions as touch scanning electrodes; the common electrode comprises a plurality of strip-like sub-electrodes and a plurality of plate-like sub-electrodes, and the strip-like sub-electrodes extend in a first direction; the strip-like sub-electrodes are arranged opposite to the voltage-fixed electrodes, all of the plate-like sub-electrodes are arranged in an array including a plurality of electrode groups, and each of the electrode groups comprises a plurality of plate-like sub-electrodes arranged in a second direction and electrically connected to each other; and at the touch recognition stage, the electrode groups function as the touch scanning electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 18, 19, 20)
- a first substrate and a second substrate arranged opposite to each other, wherein
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11. A method for driving a display panel, wherein the display panel comprises a first substrate and a second substrate arranged opposite to each other, wherein the first substrate comprises:
- a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; and
the second substrate comprises;
a second base, and pressure sensing electrodes that are arranged on the second base at a side facing the first substrate, wherein the pressure sensing electrodes are arranged opposite to the voltage-fixed electrodes respectively, and each pressure sensing electrode is configured to detect a pressure applied at a touch position on the display panel according to a capacitance between the pressure sensing electrode and the corresponding voltage-fixed electrode at a pressure detection stage,wherein the second substrate further comprises pixel electrodes and a common electrode that are arranged on the second base at the side facing the first substrate, and the pixel electrodes are arranged on the common electrode at a side that is farther away from the second base than the other side of the common electrode; and
orthogonal projections of the pressure sensing electrodes on the second base are not overlapped with orthogonal projections of the pixel electrodes on the second base;at a touch recognition stage, the voltage-fixed electrodes function as the touch sensing electrodes, and a predetermined portion of the common electrode functions as touch scanning electrodes; the common electrode comprises a plurality of strip-like sub-electrodes and a plurality of plate-like sub-electrodes, and the strip-like sub-electrodes extend in a first direction; the strip-like sub-electrodes are arranged opposite to the voltage-fixed electrodes, all of the plate-like sub-electrodes are arranged in an array including a plurality of electrode groups, and each of the electrode groups comprises a plurality of plate-like sub-electrodes arranged in a second direction and electrically connected to each other; and at the touch recognition stage, the electrode groups function as the touch scanning electrodes, the method comprises; at the pressure detection stage, applying the fixed voltage to the voltage-fixed electrodes, and inputting pressure scanning signals to the pressure sensing electrodes, so as to generate the pressure sensing signals on the pressure sensing electrodes, thereby to determine by an electronic chip the pressure applied at the touch position according to the pressure sensing signals.
- a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; and
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12. A method for driving a display panel, wherein the display panel comprises a first substrate and a second substrate arranged opposite to each other, wherein the first substrate comprises:
- a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; and
the second substrate comprises;
a second base, and pressure sensing electrodes that are arranged on the second base at a side facing the first substrate, wherein the pressure sensing electrodes are arranged opposite to the voltage-fixed electrodes respectively, and each pressure sensing electrode is configured to detect a pressure applied at a touch position on the display panel according to a capacitance between the pressure sensing electrode and the corresponding voltage-fixed electrode at a pressure detection stage,wherein the second substrate further comprises pixel electrodes and a common electrode that are arranged on the second base at the side facing the first substrate, and the pixel electrodes are arranged on the common electrode at a side that is farther away from the second base than the other side of the common electrode; and
orthogonal projections of the pressure sensing electrodes on the second base are not overlapped with orthogonal projections of the pixel electrodes on the second base,at a touch recognition stage, the voltage-fixed electrodes function as the touch sensing electrodes, and a predetermined portion of the common electrode functions as touch scanning electrodes, the common electrode comprises a plurality of strip-like sub-electrodes and a plurality of plate-like sub-electrodes, and the strip-like sub-electrodes extend in a first direction; the strip-like sub-electrodes are arranged opposite to the voltage-fixed electrodes, all of the plate-like sub-electrodes are arranged in an array including a plurality of electrode groups, and each of the electrode groups comprises a plurality of plate-like sub-electrodes arranged in a second direction and electrically connected to each other; and at the touch recognition stage, the electrode groups function as the touch scanning electrodes, the method comprises; at a display stage, inputting a common voltage signal to the common electrode, and inputting data signals to the pixel electrodes, so as to enable the display panel to display an image; at the touch recognition stage, inputting touch scanning signals to a predetermined portion of the common electrode, and applying the fixed voltage to the voltage-fixed electrodes, so as to generate the touch sensing signals on the voltage-fixed electrodes, thereby to determine by an electronic chip the touch position according to the touch sensing signals; and at the pressure detection stage, applying the fixed voltage to the voltage-fixed electrodes, and inputting pressure scanning signals to the pressure sensing electrodes, so as to generate the pressure sensing signals on the pressure sensing electrodes, thereby to determine by the electronic chip the pressure applied at the touch position according to the pressure sensing signals.
- a first base, and voltage-fixed electrodes that are arranged on the first base at a side facing the second substrate, wherein a fixed voltage is applied to each of the voltage-fixed electrodes; and
Specification