CN106940604B - Pressure touch panel, driving method thereof and pressure touch device - Google Patents
Pressure touch panel, driving method thereof and pressure touch device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 238
- 239000000758 substrate Substances 0.000 claims abstract description 105
- 238000010586 diagram Methods 0.000 description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- Human Computer Interaction (AREA)
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- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a pressure touch panel, a driving method thereof and a pressure touch device, which are used for realizing pressure and touch detection of an In-cell structure, so that the aim of thinning the pressure touch panel is fulfilled, and the accuracy of pressure detection is improved. The pressure touch panel includes a first substrate and a second substrate arranged opposite to each other, a plurality of auxiliary supports arranged on the first substrate facing the second substrate, and a plurality of touch detection electrodes arranged in an array on the second substrate facing the first substrate, and further includes: a plurality of mutually independent pressure detection electrodes arranged around each touch detection electrode, wherein the spacing position between each pressure detection electrode and the adjacent touch detection electrode corresponds to the auxiliary support; and a first conductive film layer is arranged at the top of the suspended side of the auxiliary support.
Description
Technical Field
The invention relates to the technical field of touch control, in particular to a pressure touch panel, a driving method thereof and a pressure touch device.
Background
At present, when a function of pressure detection is implemented in a Display panel with a touch function, an additional mechanism is generally added to a backlight portion of a Liquid Crystal Display (LCD) or a middle frame portion of a Display device such as a mobile phone to implement pressure detection, the structure separately designs touch detection and pressure detection, and the pressure detection is implemented by an additional function.
Therefore, in the prior art, the touch panel with pressure detection is usually in an out-cell structure, so that the thickness of the touch panel is increased, and the accuracy of pressure detection is not high.
Disclosure of Invention
The invention provides a pressure touch panel, a driving method thereof and a pressure touch device, which are used for realizing pressure and touch detection of an In-cell structure, so that the aim of thinning the pressure touch panel is fulfilled, and the accuracy of pressure detection is improved.
An embodiment of the present invention provides a pressure touch panel, including a first substrate and a second substrate arranged opposite to each other, a plurality of auxiliary supports arranged on the first substrate facing the second substrate, and a plurality of touch detection electrodes arranged in an array on the second substrate facing the first substrate, further including:
a plurality of mutually independent pressure detection electrodes arranged around each touch detection electrode, wherein the spacing position between each pressure detection electrode and the adjacent touch detection electrode corresponds to the auxiliary support;
and a first conductive film layer is arranged at the top of the suspended side of the auxiliary support.
In a possible implementation manner, in the pressure touch panel provided in the embodiment of the present invention, a width of a space between each pressure detection electrode and the adjacent touch detection electrode is less than or equal to a width of the first conductive film layer of the auxiliary support.
In a possible implementation manner, in the pressure touch panel provided in an embodiment of the present invention, the pressure touch panel further includes:
a plurality of main supports disposed on the first substrate side facing the second substrate side.
In a possible implementation manner, in the pressure touch panel provided in an embodiment of the present invention, the touch detection electrode includes a plurality of sub-electrodes independent of each other;
and a second conductive film layer is arranged on the top of each main support facing the second substrate side, and the sub-electrodes are electrically connected through the second conductive film layer.
In a possible implementation manner, in the pressure touch panel provided in an embodiment of the present invention, the pressure touch panel further includes:
a driving electrode disposed on the first substrate or the second substrate and insulated from the pressure detection electrode;
the driving electrodes correspond to the pressure detection electrodes one to one.
In a possible implementation manner, in the pressure touch panel provided in an embodiment of the present invention, the first substrate is an array substrate, and the second substrate is a color film substrate; or
The first substrate is a color film substrate, and the second substrate is an array substrate.
In a possible implementation manner, in the pressure touch panel provided in an embodiment of the present invention, the pressure detection electrode is a transparent electrode.
In a possible implementation manner, in the pressure touch panel provided in the embodiment of the present invention, the conductive film layer is a transparent conductive film layer.
Correspondingly, the embodiment of the invention also provides a pressure touch device which comprises any one of the pressure touch panels provided by the embodiment of the invention.
Correspondingly, an embodiment of the present invention further provides a driving method of a pressure touch panel, where the method includes:
in the pressure detection stage, applying a detection signal to the touch detection electrode;
and receiving a touch signal fed back by the touch detection electrode, and determining the pressure of the touch position according to the detection signal and the touch signal.
The invention has the following beneficial effects:
an embodiment of the present invention provides a pressure touch panel, including a first substrate and a second substrate arranged opposite to each other, a plurality of auxiliary supports arranged on the first substrate facing the second substrate, and a plurality of touch detection electrodes arranged in an array on the second substrate facing the first substrate, further including: a plurality of mutually independent pressure detection electrodes arranged around each touch detection electrode, wherein the spacing position between each pressure detection electrode and the adjacent touch detection electrode corresponds to the auxiliary support; and a first conductive film layer is arranged at the top of the suspended side of the auxiliary support. Therefore, In the pressure touch panel In the embodiment of the invention, the touch function is realized through the touch detection electrode, the pressure detection is realized through the pressure detection electrode around the touch detection electrode, the pressure detection electrode and the touch detection electrode are both arranged between the first substrate and the second substrate, the pressure detection and the touch detection of an In-cell structure are realized, the purpose of lightening and thinning the pressure touch panel is achieved, and when the pressure touch panel is pressed, the pressure detection electrode is electrically connected with the touch detection electrode through the first conductive film layer on the auxiliary support, the detection of the pressure is realized, and the accuracy of the pressure detection is improved.
Drawings
Fig. 1 is a schematic structural diagram of a pressure touch detection panel according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the pressure touch detection panel shown in FIG. 1;
fig. 3 is a schematic structural diagram of a second pressure touch detection panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third pressure touch detection panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fourth pressure touch detection panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fifth pressure touch detection panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a sixth pressure touch detection panel according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a seventh pressure touch detection panel according to an embodiment of the present invention;
fig. 9 is a flowchart illustrating a driving method of a pressure touch detection panel according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a pressure touch panel, a driving method thereof and a pressure touch device, which are used for realizing pressure and touch detection of an In-cell structure, so that the aim of thinning the pressure touch panel is fulfilled, and the accuracy of pressure detection is improved.
The following describes in detail specific embodiments of a pressure touch panel, a driving method thereof, and a pressure touch device according to embodiments of the present invention with reference to the accompanying drawings.
The thicknesses and shapes of the various film layers in the drawings are not to be considered true proportions, but are merely intended to illustrate the present invention.
The following describes a schematic structural diagram of a pressure touch panel according to an embodiment of the present invention. Referring to fig. 1, a pressure touch panel provided in an embodiment of the present invention includes: to first base plate 01 and second base plate 02 of box setting, set up at a plurality of auxiliary stay 03 of first base plate 01 towards second base plate 02 side, set up at a plurality of touch-control detection electrode 04 that are array arrangement of second base plate 02 towards first base plate 01 side, still include: a plurality of mutually independent pressure detection electrodes 05 disposed around each touch detection electrode 04, wherein a spacing position between each pressure detection electrode 05 and an adjacent touch detection electrode 04 corresponds to the auxiliary support 03; the top of the suspended side of the auxiliary support 03 is provided with a first conductive film layer 06.
The pressure touch panel further includes a signal lead (not shown in fig. 1) electrically connected to the touch detection electrode, and the touch detection electrode is used for realizing touch and pressure detection in the touch stage.
Referring to fig. 2, fig. 2 is a top view of the pressure touch panel shown in fig. 1, the pressure touch panel includes touch detection electrodes 04 arranged in an array, the periphery of the touch detection electrodes 04 includes a plurality of pressure detection electrodes 05, and the pressure detection electrodes 05 and the touch detection electrodes 04 around the pressure detection electrodes are electrically connected through a first conductive film 06 when being pressed. When the pressure is applied, the number of pressure detection electrodes electrically connected to the touch detection electrode 04 is large. As shown in fig. 2, the pressure touch panel further includes a signal outgoing line 040 electrically connected to the touch detection electrode 04, and the signal outgoing line 040 is connected to a circuit integrated device (not shown) for transmitting a detection signal. In the detection phase, the touch detection electrode 04 receives the detection signal from the signal outgoing line 040, and sends the touch signal to the signal outgoing line 040.
The pressure detection electrodes and the adjacent touch detection electrodes in the embodiment of the invention are in one-to-one correspondence with the auxiliary support, and the method specifically includes that the first conductive film layer in the auxiliary support is opposite to the pressure detection electrodes and the adjacent touch detection electrodes in the interval position, that is, when pressure is applied, the first conductive film layer is electrically connected with the pressure detection electrodes and the touch detection electrodes corresponding to the first conductive film layer.
It should be noted that the shapes of the touch detection electrode and the pressure detection electrode in the embodiment of the present invention are not specifically limited, and the shapes of the touch detection electrode and the pressure detection electrode in fig. 2 are only an example, but are not limited to the shapes shown in fig. 2, for example, the touch detection electrode may be in a shape of a rectangle, a diamond, a triangle, etc., and the pressure detection electrode may be in a shape of a rectangle, a diamond, a triangle, etc., wherein the touch detection electrode and the pressure detection electrode may also be in an irregular shape, which is not specifically limited herein. In the embodiment of the invention, a plurality of pressure detection electrodes are arranged around each touch detection electrode, wherein the number of the pressure detection electrodes at least comprises more than two pressure detection electrodes, so that the pressure can be more accurately detected under the action of pressure.
In an embodiment, in the above-mentioned pressure touch panel provided by the embodiment of the invention, referring to fig. 3, a spacing width d1 between each pressure detection electrode 05 and the adjacent touch detection electrode 04 is equal to a width d2 of the first conductive film layer 06 of the auxiliary support 03. Specifically, the spacing width d1 between the pressure detection electrode 05 and the adjacent touch detection electrode 04 is at least equal to the width d2 of the first conductive film layer 06 of the auxiliary support 03, so as to ensure that the first conductive film layer 06 electrically connects the pressure detection electrode 05 and the touch detection electrode 04 under the action of pressure. Preferably, referring to fig. 4, the width d2 of the first conductive film 06 of the auxiliary support 03 is greater than the spacing width d1 between the pressure detection electrode 05 and the adjacent touch detection electrode 04, and the first conductive film 06 electrically connects the pressure detection electrode 05 and the adjacent touch detection electrode 04 under the action of a smaller pressure. Specifically, when the pressure is applied, the pressure detection electrodes 05 are electrically connected to the touch detection electrodes 04 through the first conductive film layer 06 in the auxiliary support, and when the pressure is applied to a large extent, the number of the pressure detection electrodes 05 electrically connected to the touch detection electrodes 04 is increased, so that the pressure can be accurately detected.
Specifically, the sizes of the spacing positions between the plurality of pressure detection electrodes 05 adjacent to the touch detection electrode 04 and the touch detection electrode 04 may be unequal or equal; the shapes of the plurality of pressure detection electrodes 05 adjacent to the touch detection electrode 04 may be all equal, or all different. Preferably, in order to increase the accuracy of pressure detection, the pressure detection electrodes adjacent to one touch detection electrode are equal in shape and equal in spacing distance between the touch detection electrodes. And is not particularly limited herein.
In an embodiment, in the pressure touch panel provided in the embodiment of the present invention, referring to fig. 5, the pressure touch panel further includes: a plurality of main supports 07 provided on the side of the first substrate 01 facing the second substrate 02. Specifically, the pressure touch panel provided in the embodiment of the present invention is a liquid crystal display panel, a liquid crystal is further disposed between the first substrate and the second substrate, and in order to maintain a cell thickness between the first substrate and the second substrate, the pressure touch panel further includes: and a main support disposed between the first substrate and the second substrate. Specifically, each touch detection electrode 04 corresponds to at least one main support and a plurality of auxiliary supports. The main support 07 is disposed in a region corresponding to the touch detection electrode 04, and the auxiliary support 03 is disposed at a position corresponding to a position spaced between the pressure detection electrode 05 and the touch detection electrode. Fig. 5 only illustrates a structure in which one touch detection electrode corresponds to one main support, but not limited to that, one touch detection electrode corresponds to only one main support, and specifically, the number of the main supports and the number of the auxiliary supports may be selected according to the size of the pressure touch panel.
In an embodiment, in the pressure touch panel provided in the embodiment of the present invention, referring to fig. 6, the touch detection electrode 04 includes a plurality of independent sub-electrodes 041; a second conductive film layer 042 is disposed on a top portion of each main support 07 facing the second substrate 02 side, and the sub-electrodes 041 are electrically connected through the second conductive film layer 042. Specifically, the sub-electrodes 041 in one touch detection electrode 04 are electrically connected through the second conductive film layer 042 disposed on the top of the main support 07 between the sub-electrodes 041. And whether the pressure touch panel is stressed or not, all the sub-electrodes are electrically connected through the conductive film layer on the main support.
Specifically, when the pressure touch panel provided in the embodiment of the present invention implements touch control, touch control may be implemented by using a touch detection electrode with a self-capacitance structure, or a touch control function may be implemented by using a mutual capacitance principle between the touch detection electrode and a driving electrode. Specifically, when the touch control is realized through the mutual capacitance structure, the pressure touch panel further includes a driving electrode arranged in a different-layer structure from the touch detection electrode, wherein the driving electrode may be arranged between the second substrate and the touch detection electrode, or on the first substrate, wherein the driving electrode and the touch detection electrode are insulated from each other, and the distribution of the driving electrode may be arranged in one-to-one correspondence with the touch detection electrode, or the distribution of the driving electrode and the touch detection electrode are arranged in one-to-one correspondence, or the distribution of the driving electrode and the touch detection electrode and the pressure detection electrode around the touch detection electrode are arranged in one-to-one correspondence. The driving electrode receives a touch driving signal in a touch stage, and the touch detection electrode receives a touch scanning signal and determines a touch position according to the touch scanning signal. Here, the structure of the driving electrode is not particularly limited.
In a specific embodiment, in the pressure touch panel in the embodiment of the present invention, a principle of implementing pressure detection may adopt a self-capacitance principle, for example, a function of implementing pressure detection is implemented by a variation of capacitance formed between the pressure detection electrode and ground in the embodiment of the present invention; or the mutual capacitance principle is adopted, such as the pressure is detected through the capacitance change between the two-layer structure of the pressure detection electrode and the driving electrode. Therefore, the pressure touch panel provided in the embodiment of the present invention further includes: a driving electrode disposed on the first substrate or the second substrate and insulated from the pressure detection electrode; the driving electrodes correspond to the pressure detection electrodes one to one. Specifically, as shown in fig. 7, the pressure touch panel further includes: the touch panel comprises a driving electrode 09 arranged between a second substrate 02 and a pressure detection electrode 05, and an insulating layer 10 arranged between the pressure detection electrode 05 and the driving electrode 09, wherein the driving electrode 09 corresponds to the pressure detection electrode 05 one by one, and the projection of the driving electrode 09 on the second substrate 02 is equal to the projection of the pressure detection electrode 05 and the touch detection electrode 04 on the first substrate 01. The driving electrode 09 and the touch detection electrode realize a touch function, and the driving electrode 09, the touch detection electrode and the pressure detection electrode realize pressure detection, so that the driving electrode 09 realizes touch and pressure detection during pressure touch. Alternatively, as shown in fig. 8, the pressure touch panel further includes: and the driving electrodes 09 are arranged on the first substrate 01, wherein the driving electrodes 09 correspond to the pressure detection electrodes 05 one by one, and the projection of the driving electrodes 09 on the second substrate 02 is equal to the projection of the pressure detection electrodes 05 and the touch detection electrodes 04 on the second substrate 02. The driving electrode 09 and the touch detection electrode realize a touch function, and the driving electrode 09, the touch detection electrode and the pressure detection electrode realize pressure detection, so that the driving electrode 09 realizes touch and pressure detection during pressure touch.
In an embodiment, in the above-mentioned pressure touch panel provided in the embodiment of the present invention, referring to fig. 7 or fig. 8, a projection of the driving electrode 09 on the first substrate is equal to or greater than a projection of the touch detection electrode 04 and the pressure detection electrode 05 on the first substrate. Specifically, in the pressure touch stage, the driving electrode receives a driving signal, the touch detection electrode receives a detection signal, the touch detection electrode corresponding to the touch position feeds back the touch signal, and the control chip determines the touch position and the pressure of the touch position according to the touch signal.
It should be noted that the driving electrode in the embodiment of the present invention may be obtained by blocking the common electrode, that is, the common electrode is blocked and multiplexed as the driving electrode. Since the common electrode may be disposed on the first substrate or the second substrate, the common electrode may also be divided into blocks and multiplexed as the pressure detection electrode and the touch detection electrode for the pressure detection electrode or the touch detection electrode of the self-contained structure.
In a specific embodiment, in the pressure touch panel provided in the embodiment of the present invention, the first substrate is an array substrate, and the second substrate is a color film substrate; or the first substrate is a color film substrate, and the second substrate is an array substrate. Specifically, the auxiliary support is arranged on the array substrate, the touch detection electrode is arranged on one side of the color film substrate facing the array substrate, the pressure detection electrode and the touch detection electrode are arranged on the same layer, and the driving electrode is arranged on one side of the color film substrate of the array substrate panel or arranged between the color film substrate and a film layer where the pressure detection electrode is arranged and is insulated from the pressure detection electrode; or the auxiliary support is arranged on the color film substrate, the touch detection electrode is arranged on one side of the color film substrate of the array substrate panel, the pressure detection electrode and the touch detection electrode are arranged on the same layer, and the driving electrode is arranged on one side of the color film substrate facing the array substrate, or the driving electrode is arranged between the array substrate and a film layer where the pressure detection electrode is located and is arranged in an insulating manner with the pressure detection electrode. The pressure detection electrode and the auxiliary support in the embodiment of the present invention are not particularly limited to be disposed on the array substrate or the color filter substrate.
In an embodiment of the invention, in the pressure touch panel provided in the embodiment of the invention, in order to avoid the setting of the pressure detection electrode from affecting the display effect of the panel with the display function, the pressure detection electrode is a transparent electrode. Specifically, the touch detection electrode may also be a transparent electrode, and the pressure driving electrode may also be a transparent electrode. For example, indium tin oxide (ito) is used. And is not particularly limited herein.
In an embodiment of the pressure touch panel provided in the embodiment of the present invention, in order to avoid the first conductive film layer on the auxiliary support from affecting the display effect of the panel with the display function, the first conductive film layer in the embodiment of the present invention is a transparent conductive film layer. And the second conductive film layer is also a transparent conductive film layer.
Based on the same inventive concept, an embodiment of the present invention further provides a pressure touch device, including any one of the pressure touch panels provided in the embodiments of the present invention. The pressure touch device in the embodiment of the invention is a liquid crystal pressure touch display device.
Based on the same inventive concept, referring to fig. 9, an embodiment of the present invention further provides a driving method of a pressure touch panel, where the method includes:
s901, in a pressure detection stage, applying a detection signal to a touch detection electrode;
s902, receiving a touch signal fed back by the touch detection electrode, and determining the pressure of the touch position according to the detection signal and the touch signal.
In an embodiment, when the pressure touch panel is a mutual-capacitance structure, the method further includes: in the pressure detection phase, a drive signal is applied to the drive electrode.
In the driving method of the pressure touch panel provided in the embodiment of the present invention, in the pressure detection stage, the touch position may also be determined according to the detection signal and the touch, so that the detection of the touch and the pressure can be realized in the pressure detection stage.
In summary, an embodiment of the present invention provides a pressure touch panel, which includes a first substrate and a second substrate disposed opposite to each other, a plurality of auxiliary supports disposed on the first substrate facing the second substrate, and a plurality of touch detection electrodes disposed on the second substrate facing the first substrate and arranged in an array, and further includes: a plurality of mutually independent pressure detection electrodes arranged around each touch detection electrode, wherein the spacing position between each pressure detection electrode and the adjacent touch detection electrode corresponds to the auxiliary support; and a first conductive film layer is arranged at the top of the suspended side of the auxiliary support. Therefore, In the pressure touch panel In the embodiment of the invention, the touch function is realized through the touch detection electrode, the pressure detection is realized through the pressure detection electrode around the touch detection electrode, the pressure detection electrode and the touch detection electrode are both arranged between the first substrate and the second substrate, the pressure detection and the touch detection of an In-cell structure are realized, the purpose that the pressure touch panel is lighter and thinner is achieved, and when the pressure touch panel is pressed, the pressure detection electrode is electrically connected with the touch detection electrode through the first conductive film layer on the auxiliary support, the detection of the pressure is realized, and the accuracy of the pressure detection is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A pressure touch panel including a first substrate and a second substrate arranged opposite to each other, a plurality of auxiliary supports provided on the first substrate facing the second substrate, and a plurality of touch detection electrodes arranged in an array on the second substrate facing the first substrate, the pressure touch panel comprising:
a plurality of mutually independent pressure detection electrodes arranged around each touch detection electrode, wherein the spacing position between each pressure detection electrode and the adjacent touch detection electrode corresponds to the auxiliary support;
the top of one suspended side of the auxiliary support is provided with a first conductive film layer;
if the pressure touch panel is under pressure, the pressure detection electrode is electrically connected with the touch detection electrode through the first conductive film layer on the auxiliary support.
2. The pressure touch panel according to claim 1, wherein a width of a space between each of the pressure detection electrodes and the adjacent touch detection electrode is smaller than or equal to a width of the first conductive film layer of the auxiliary support.
3. The pressure touch panel according to claim 1, further comprising:
a plurality of main supports disposed on the first substrate side facing the second substrate side.
4. The pressure touch panel of claim 3, wherein the touch detection electrode comprises a plurality of independent sub-electrodes;
and a second conductive film layer is arranged on the top of each main support facing the second substrate side, and the sub-electrodes are electrically connected through the second conductive film layer.
5. The pressure touch panel according to claim 1, further comprising:
a driving electrode disposed on the first substrate or the second substrate and insulated from the pressure detection electrode;
the driving electrodes correspond to the pressure detection electrodes one to one.
6. The pressure touch panel according to claim 1, wherein the first substrate is an array substrate, and the second substrate is a color film substrate; or
The first substrate is a color film substrate, and the second substrate is an array substrate.
7. The pressure touch panel according to claim 1, wherein the pressure detection electrode is a transparent electrode.
8. The pressure touch panel of claim 1, wherein the conductive film layer is a transparent conductive film layer.
9. A pressure touch device comprising the pressure touch panel according to any one of claims 1 to 8.
10. A method for driving a pressure touch panel according to any one of claims 1 to 4 and 6 to 8, the method comprising:
in the pressure detection stage, applying a detection signal to the touch detection electrode;
and receiving a touch signal fed back by the touch detection electrode, and determining the pressure of the touch position according to the detection signal and the touch signal.
11. The method of driving a pressure touch panel according to claim 5, comprising:
in the pressure detection stage, the driving electrode receives a driving signal, the touch detection electrode receives a detection signal, and the touch detection electrode corresponding to the touch position feeds back the touch signal;
and determining the touch position and the touch position pressure according to the touch signal fed back by the touch detection electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160416.3A CN106940604B (en) | 2017-03-17 | 2017-03-17 | Pressure touch panel, driving method thereof and pressure touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710160416.3A CN106940604B (en) | 2017-03-17 | 2017-03-17 | Pressure touch panel, driving method thereof and pressure touch device |
Publications (2)
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| CN101587401A (en) * | 2009-06-22 | 2009-11-25 | 友达光电股份有限公司 | Touch panel and display device |
| CN105511683A (en) * | 2015-12-31 | 2016-04-20 | 厦门天马微电子有限公司 | Touch display device |
| CN105511689A (en) * | 2016-02-25 | 2016-04-20 | 京东方科技集团股份有限公司 | Touch display panel, display device and driving method thereof |
| CN105607777A (en) * | 2016-02-01 | 2016-05-25 | 京东方科技集团股份有限公司 | Pressure induction display panel and display device |
| CN105700754A (en) * | 2016-03-11 | 2016-06-22 | 上海天马微电子有限公司 | Touch display panel and touch display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20170351354A1 (en) * | 2014-12-05 | 2017-12-07 | Hideep Inc. | Display panel, touch input apparatus, sensing apparatus for sensing touch position and touch pressure from display panel, and sensing method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587401A (en) * | 2009-06-22 | 2009-11-25 | 友达光电股份有限公司 | Touch panel and display device |
| CN105511683A (en) * | 2015-12-31 | 2016-04-20 | 厦门天马微电子有限公司 | Touch display device |
| CN105607777A (en) * | 2016-02-01 | 2016-05-25 | 京东方科技集团股份有限公司 | Pressure induction display panel and display device |
| CN105511689A (en) * | 2016-02-25 | 2016-04-20 | 京东方科技集团股份有限公司 | Touch display panel, display device and driving method thereof |
| CN105700754A (en) * | 2016-03-11 | 2016-06-22 | 上海天马微电子有限公司 | Touch display panel and touch display device |
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