CN113568531B - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN113568531B CN113568531B CN202110874029.2A CN202110874029A CN113568531B CN 113568531 B CN113568531 B CN 113568531B CN 202110874029 A CN202110874029 A CN 202110874029A CN 113568531 B CN113568531 B CN 113568531B
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 48
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 9
- 101000579646 Penaeus vannamei Penaeidin-1 Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
A touch display panel comprises a display screen, a first electromagnetic touch wiring and a second electromagnetic touch wiring. The first electromagnetic touch control wiring is arranged on the display screen along a first direction, and comprises a plurality of first electromagnetic touch control sub-lines distributed in a first area and a plurality of second electromagnetic touch control sub-lines distributed in a second area, wherein any two adjacent first electromagnetic touch control sub-lines respectively enclose a plurality of first electromagnetic induction channels, and any two adjacent second electromagnetic touch control sub-lines respectively enclose a plurality of second electromagnetic induction channels. The second electromagnetic touch control wiring is arranged above the first electromagnetic touch control wiring along the second direction, the second electromagnetic touch control wiring and the first electromagnetic touch control wiring are mutually crossed and are arranged in an insulating mode, the resistance of the first electromagnetic induction channel/the second electromagnetic induction channel is reduced, the positioning coordinate information capability is improved, the possibility of a large-size touch control display panel is realized, and the influence of the electromagnetic touch control wiring on display is improved.
Description
Technical Field
The present invention relates to the field of touch display technology, and more particularly, to a touch display panel and a touch display device that are easier to realize in a large size.
Background
The display can realize a handwriting touch function. At present, there are mainly capacitive, electromagnetic and other implementations. The electromagnetic handwriting touch control has smaller transmission loss relative to a capacitive signal, and is easier to realize large size. As shown in fig. 1, in the current electromagnetic handwriting touch control, a mesh-shaped electromagnetic coil 2 is manufactured on a plastic substrate, electromagnetic signals are received according to an antenna array in an X direction and a Y direction, and an electromagnetic pen 1 (transducer) emits the electromagnetic signals to interact with an electromagnetic induction plate (receiver) on one side of a display screen. When the electromagnetic pen 1 is close to the display screen, the electromagnetic induction plate of the display screen can induce electromagnetic signals of the electromagnetic pen 1 so that the electromagnetic induction plate changes, and the X, Y coordinate position of the electromagnetic pen 1 is obtained through calculation through the change of magnetic flux.
At present, the antenna array has larger resistance (especially in large size), which can affect the output of electromagnetic signals, and the electromagnetic antenna wiring is performed on one side, so that the display signal driving circuits at two ends of the display screen are different in coupling degree, uneven display is caused, and the capacity of positioning the X, Y coordinate position of the electromagnetic pen 1 is weak.
Disclosure of Invention
The invention aims to provide a touch display panel and a touch display device, wherein a first electromagnetic touch wiring and a second electromagnetic touch wiring are divided into two areas (left and right), the positioning coordinate information capability is improved, the touch efficiency is high, the possibility of a large-size touch display panel is realized, and the influence of the electromagnetic touch wiring on display is improved.
In order to achieve the above objective, the present invention provides a touch display panel including a display screen, a first electromagnetic touch trace and a second electromagnetic touch trace. The first electromagnetic touch control wiring is arranged on the display screen along a first direction, and comprises a plurality of first electromagnetic touch control sub-lines distributed in a first area and a plurality of second electromagnetic touch control sub-lines distributed in a second area, wherein any two adjacent first electromagnetic touch control sub-lines respectively enclose a plurality of first electromagnetic induction channels, and any two adjacent second electromagnetic touch control sub-lines respectively enclose a plurality of second electromagnetic induction channels. The second electromagnetic touch control wire is arranged along the second direction, and is positioned above the first electromagnetic touch control wire, and the second electromagnetic touch control wire and the first electromagnetic touch control wire are mutually crossed and arranged in an insulating way.
Preferably, the touch panel further comprises a common wire connecting the first electromagnetic touch sub-line and the second electromagnetic touch sub-line along the second direction, and the common wire is arranged between the first area and the second area.
Preferably, the display screen includes an effective display area, at least one display signal driving circuit connected to a signal line in the effective display area, and a plurality of first outgoing lines and a plurality of second outgoing lines provided corresponding to the display signal driving circuit.
Preferably, each first outgoing line is connected to each first electromagnetic touch sub-line along the second direction, and each second outgoing line is connected to each second electromagnetic touch sub-line along the second direction.
Preferably, the integrated circuit further comprises a control integrated circuit, a first switch selection circuit and a second switch selection circuit which are electrically connected with the control integrated circuit, each first lead wire is electrically connected with the first switch selection circuit, each second lead wire is electrically connected with the second switch selection circuit, and the control integrated circuit controls and measures signals of the first switch selection circuit and the second switch selection circuit.
Preferably, each first electromagnetic induction channel includes two corresponding first outgoing lines, the first electromagnetic touch sub-lines connected with the two first outgoing lines and the common wiring, and each second electromagnetic induction channel includes two corresponding second outgoing lines, the second electromagnetic touch sub-lines connected with the two second outgoing lines and the common wiring.
Preferably, the enclosed area enclosed by each first electromagnetic induction channel in the first area is equal to the enclosed area enclosed by each second electromagnetic induction channel in the second area.
Preferably, the materials of the first electromagnetic touch trace, the second electromagnetic touch trace, the common trace, each of the first outgoing line and each of the second outgoing line include metal, metal alloy or transparent conductive material.
Preferably, the touch screen further comprises an insulating layer and a capacitive touch sensing wire, wherein the insulating layer is arranged between the first electromagnetic touch wire and the second electromagnetic touch wire, the capacitive touch sensing wire and the second electromagnetic touch wire are arranged in the same layer and are insulated, and the first direction and the second direction are mutually perpendicular.
The invention also provides a touch display device which comprises an electromagnetic touch pen and the touch display panel according to the embodiment.
The invention has the following effects that the first electromagnetic touch control wiring and the second electromagnetic touch control wiring are divided into two areas (a first area and a second area are left and right areas), the two left and right area electromagnetic induction channel signals are shared through the common wiring, and the resistance of the first electromagnetic induction channel and the second electromagnetic induction channel to the display signal driving circuit is reduced, so that the capacity of positioning the coordinate position is improved, the touch control efficiency is high, the possibility of realizing a large-size touch control display panel is realized, and the influence of the first electromagnetic touch control wiring and the second electromagnetic touch control wiring on the display is improved.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional electromagnetic handwriting touch electromagnetic coil;
FIG. 2 is a schematic diagram of a first electromagnetic touch trace of the present invention;
FIG. 3 is a schematic diagram of a second electromagnetic touch trace of the present invention;
FIG. 4 is a schematic plan view of a touch display panel according to the present invention; and
Fig. 5 is a schematic structural diagram of a touch display panel according to the present invention.
Detailed Description
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of the same phrase in various places in the specification are not necessarily limited to the same embodiment, but are understood to be independent of other embodiments or alternative embodiments. In light of the technical solutions disclosed in the embodiments provided by the present invention, those skilled in the art should understand that the embodiments described in the present invention may have other technical solution combinations or variations consistent with the concept of the present invention.
As shown in fig. 2 to 5, the touch display panel 100 includes a display screen 110, a first electromagnetic touch trace 200 and a second electromagnetic touch trace 300. In the embodiment shown in fig. 5, the insulation layer 150 and the capacitive touch sensing trace 310 are further included. The insulating layer 150 is disposed between the first electromagnetic touch trace 200 and the second electromagnetic touch trace 300, so as to avoid a short circuit between the first electromagnetic touch trace 200 and the second electromagnetic touch trace 300. The capacitive touch sensing trace 310 and the second electromagnetic touch trace 300 are arranged in the same layer and insulated from each other.
When the capacitive touch occurs, the capacitance of the capacitive touch sensing trace 310 at the position of the touch point will change correspondingly, so that the capacitance change values at different positions in the capacitive touch sensing trace 310 are different, and the position information of the touch point where the capacitive touch occurs can be determined accordingly. In the present embodiment, the display screen 110 preferably adopts a process of externally hanging (On Cell), so as to implement electromagnetic touch sensing preposition, reduce the thickness of the touch display panel 100, implement thinning of the touch display device, and improve sensitivity and accuracy of electromagnetic touch sensing.
As shown in fig. 2 and fig. 3, the first electromagnetic touch trace 200 is disposed on the display screen 110 along a first direction X, and the first electromagnetic touch trace 200 includes a plurality of first electromagnetic touch sub-lines 210 distributed in a first area 201 and a plurality of second electromagnetic touch sub-lines 220 distributed in a second area 202, wherein the first direction X and the second direction Y are perpendicular to each other. Any two adjacent first electromagnetic touch sub-lines 210 respectively enclose a plurality of first electromagnetic induction channels A1, A2, A3 … Am, and any two adjacent second electromagnetic touch sub-lines 220 respectively enclose a plurality of second electromagnetic induction channels B1, B2, B3 … Bm. The second electromagnetic touch trace 300 is disposed above the first electromagnetic touch trace 200 along the second direction Y, and the second electromagnetic touch trace 300 and the first electromagnetic touch trace 200 are mutually intersected and are arranged in an insulating manner.
In the embodiment shown in fig. 2, the common trace 230 is further included to connect the first electromagnetic touch sub-line 210 and the second electromagnetic touch sub-line 220 along the second direction Y. The common trace 230 is disposed between the first area 201 and the second area 202, and the common trace 230 shares the sensing signals of the first electromagnetic sensing channels A1, A2, A3 … Am and the second electromagnetic sensing channels B1, B2, B3 … Bm enclosed in the first area 201 and the second area 202. When the first electromagnetic touch trace 200 generates an electromagnetic touch signal, Y-axis coordinate information, i.e., longitudinal coordinate information, of the touch point can be determined through each of the first electromagnetic induction channels A1, A2, A3 … Am and each of the second electromagnetic induction channels B1, B2, B3 … Bm. The second electromagnetic touch trace 300 can determine X-axis coordinate information, i.e., transverse coordinate information, of the touch point, so as to determine X and Y position information of the touch point where electromagnetic touch occurs.
Referring to fig. 4 together, the display 110 includes an effective display area 112, at least one display signal driving circuit 114 (GOA) connected to signal lines in the effective display area 112, and a plurality of first outgoing lines 250 and a plurality of second outgoing lines 260 corresponding to the display signal driving circuit 114. Each first lead-out wire 250 is connected to each first electromagnetic touch sub-line 210 along the second direction Y, and each second lead-out wire 260 is connected to each second electromagnetic touch sub-line 220 along the second direction Y. In this embodiment, the display signal driving circuits 114 are preferably 2 in number, and are respectively disposed on both sides of the effective display area 112.
Each first electromagnetic induction channel A1, A2, A3 … Am and each second electromagnetic induction channel B1, B2, B3 … Bm are preferably disposed above the effective display area 112 to sense electromagnetic stylus position information sliding or touching on the effective display area 112. In addition, in the present embodiment, each of the first electromagnetic induction channels A1, A2, A3 … Am and each of the second electromagnetic induction channels B1, B2, B3 … Bm preferably enclose a rectangular area. However, in other alternative embodiments, each of the first electromagnetic induction channels A1, A2, A3 … Am and each of the second electromagnetic induction channels B1, B2, B3 … Bm may also define other suitable geometric shapes, which is not limited thereto.
In the embodiment shown in fig. 4, the display device further includes a control integrated circuit 120 electrically connected to one side of the display screen 110, a first switch selection circuit 130 and a second switch selection circuit 140 electrically connected to the control integrated circuit 120. Each of the first lead wires 250 is electrically connected to the first switch selection circuit 130, and each of the second lead wires 260 is electrically connected to the second switch selection circuit 140. The control integrated circuit 120 controls and measures the signals of the first switch selection circuit 130 and the second switch selection circuit 140.
Each of the first electromagnetic induction channels A1, A2, A3 … Am includes two corresponding first outgoing lines 250, the first electromagnetic touch sub-lines 210 and the common wiring 230 connected to the two first outgoing lines 250, and each two endpoints are respectively connected to the first switch selection circuit 130 to form a closed loop, so as to detect electromagnetic touch signals in any two adjacent first electromagnetic touch sub-lines 210. Each of the second electromagnetic induction channels B1, B2, and B3 … Bm includes two corresponding second outgoing lines 260, the second electromagnetic touch sub-lines 220 and the common trace 230 that connect the two second outgoing lines 230, each of which is connected to the second switch selection circuit 140 through two end points, and each of which is connected to the second switch selection circuit 140 through two end points, thereby forming a closed loop and realizing detection of electromagnetic touch signals in any two adjacent second electromagnetic touch sub-lines 220.
It should be noted that, in order to make the area enclosed by each of the first electromagnetic induction channels A1, A2, A3 … Am and each of the second electromagnetic induction channels B1, B2, B3 … Bm as large as possible, that is, the touch signal detection area, any two adjacent first electromagnetic induction sub-lines 210, second electromagnetic induction sub-lines 220 and common wiring 230 may be shared, so that the electromotive force (that is, the magnetic flux) can be increased. In addition, the closing area enclosed by each of the first electromagnetic induction channels A1, A2, A3 … Am in the first area 201 is equal to the closing area enclosed by each of the second electromagnetic induction channels B1, B2, B3 … Bm in the second area 202, so that the corresponding first switch selection circuit 130 and second switch selection circuit 140 can detect electromagnetic touch signals.
Since the first electromagnetic touch trace 200 is divided into the left and right regions in this embodiment, the problem that the existing single-side centralized trace is connected to the single display signal driving circuit 114 to cause overlarge resistance and the coupling degree of the display signal driving circuits at two ends of the display screen 110 is different to cause uneven display is reduced. Therefore, in the embodiment, by arranging the first electromagnetic touch sub-line 210 and the second electromagnetic touch sub-line 220 which are designed in bilateral symmetry, the resistance of the first/second electromagnetic induction channel to the display signal driving circuit 114 is reduced, so that the coordinate position positioning capability is improved, the touch efficiency is high, the possibility of realizing the large-size touch display panel 100 is realized, and the influence of the first/second electromagnetic touch wires 200/300 on the display is improved.
The materials of the first electromagnetic touch wires 200, the second electromagnetic touch wires 300, the common wires 230, each of the first outgoing wires 250 and each of the second outgoing wires 260 include metal, metal alloy or transparent conductive material, wherein the transparent conductive material may be ITO, graphene or carbon nanotubes, etc., which are changed as required.
When an input unit such as an electromagnetic stylus (not shown) approaches or touches the display screen 110 of the touch display panel 100 and slides, electromagnetic waves generated by the electromagnetic stylus may form an electromagnetic field at a crossing position of the first electromagnetic touch trace 200 and the second electromagnetic touch trace 300, generating induced electromotive force, and the closer to the position of the electromagnetic stylus, the stronger the induced electromotive force at the position, thereby generating induced current. After the induced current is processed by the first switch selection circuit 130 and the second switch selection circuit 140, the induced current is transmitted to the control integrated circuit 120 to calculate the result, so as to determine the coordinate information, i.e. the position information, of the touch point where the electromagnetic touch is generated.
Specifically, each of the first electromagnetic induction channels A1, A2, A3 … Am (the plurality of first electromagnetic touch sub-lines 210) and each of the second electromagnetic induction channels B1, B2, B3 … Bm (the plurality of second electromagnetic touch sub-lines 220) which are longitudinally distributed and the second electromagnetic touch trace 300 which is transversely distributed are disposed perpendicular to each other via the insulating layer 150. When the electromagnetic stylus slides between the first electromagnetic touch trace 200 and the second electromagnetic touch trace 300, an induced electromotive force is generated, and the closer to the position of the electromagnetic stylus, the stronger the induced electromotive force is. In other words, the Y-axis coordinate information of which channel is determined by the magnitude of the electromagnetic induction information received by any one of the first electromagnetic induction channels A1, A2, A3 … Am and any one of the second electromagnetic induction channels B1, B2, B3 … Bm, and the control integrated circuit 120 can determine the touch position of the touch point of the electromagnetic stylus by the first electromagnetic induction channel A1, A2, A3 … Am and/or the second electromagnetic induction channel B1, B2, B3 … Bm corresponding to the largest value of the induction current, so as to determine the Y-axis coordinate information of the touch point where the electromagnetic touch occurs.
When the touch point is in the area shown in fig. 3, endpoint information of X3 and X6, X4 and X7, and X5 and X8 is sequentially selected to detect position information of the electromagnetic signal received by the touch point. Therefore, the X-axis coordinate information and the Y-axis coordinate information of the touch point with electromagnetic touch can be determined through the Y-axis coordinate information and the X-axis coordinate information, so that the final coordinate position of the touch point can be determined.
The invention also provides a touch display device, which comprises an electromagnetic stylus (not shown) and the touch display panel 100 according to the embodiment. The display screen 110 further includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The second substrate is, for example, an array substrate, the first substrate is, for example, a color film substrate, and the other features and connection relationships are described with reference to the above embodiments, and are not repeated here.
In view of the foregoing, it should be appreciated that while the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations will be apparent to those skilled in the art. Accordingly, it is intended to embrace all such alternatives, modifications and variations as fall within the scope of the appended claims.
Claims (9)
1. A touch display panel, comprising:
a display screen;
a common trace;
the first electromagnetic touch control wiring is arranged on the display screen along a first direction, the first electromagnetic touch control wiring comprises a plurality of first electromagnetic touch control sub-lines distributed in a first area and a plurality of second electromagnetic touch control sub-lines distributed in a second area, each first electromagnetic touch control sub-line and each second electromagnetic touch control sub-line are parallel to each other and are correspondingly arranged in the first direction, the common wiring is arranged between the first area and the second area, the first electromagnetic touch control sub-lines and the second electromagnetic touch control sub-lines are connected along a second direction, the first electromagnetic touch control sub-lines and the common wiring of any two adjacent first electromagnetic touch control sub-lines respectively enclose a plurality of first electromagnetic induction channels, and the second electromagnetic touch control sub-lines and the common wiring of any two adjacent second electromagnetic touch control sub-lines respectively enclose a plurality of second electromagnetic induction channels;
the second electromagnetic touch control wire is arranged along the second direction, and is positioned above the first electromagnetic touch control wire, and the second electromagnetic touch control wire and the first electromagnetic touch control wire are mutually crossed and are arranged in an insulating mode.
2. The touch display panel of claim 1, wherein the display screen comprises an effective display area, at least one display signal driving circuit connected to signal lines in the effective display area, and a plurality of first outgoing lines and a plurality of second outgoing lines disposed corresponding to the display signal driving circuit.
3. The touch display panel of claim 2, wherein each of the first lead-out wires is connected to each of the first electromagnetic touch sub-wires along the second direction, and each of the second lead-out wires is connected to each of the second electromagnetic touch sub-wires along the second direction.
4. The touch display panel of claim 2, further comprising a control integrated circuit, a first switch selection circuit and a second switch selection circuit electrically connected to the control integrated circuit, each of the first lead wires electrically connected to the first switch selection circuit, each of the second lead wires electrically connected to the second switch selection circuit, the control integrated circuit controlling and measuring signals of the first switch selection circuit and the second switch selection circuit.
5. The touch display panel according to claim 2, wherein each of the first electromagnetic induction channels includes two corresponding first outgoing lines, the first electromagnetic touch sub-lines connecting the two first outgoing lines and the common wiring, and each of the second electromagnetic induction channels includes two corresponding second outgoing lines, the second electromagnetic touch sub-lines connecting the two second outgoing lines and the common wiring.
6. The touch display panel of claim 1, wherein a closed area enclosed by each of the first electromagnetic induction channels in the first region is equal to a closed area enclosed by each of the second electromagnetic induction channels in the second region.
7. The touch display panel of claim 1, wherein the material of the first electromagnetic touch trace, the second electromagnetic touch trace, and the common trace comprises a metal, a metal alloy, or a transparent conductive material.
8. The touch display panel of claim 7, further comprising an insulating layer and a capacitive touch sensing trace, the insulating layer disposed between the first electromagnetic touch trace and the second electromagnetic touch trace, the capacitive touch sensing trace and the second electromagnetic touch trace being co-layered and disposed in an insulating manner, the first direction and the second direction being perpendicular to each other.
9. A touch display device comprising an electromagnetic stylus and a touch display panel according to any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874029.2A CN113568531B (en) | 2021-07-30 | 2021-07-30 | Touch display panel and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874029.2A CN113568531B (en) | 2021-07-30 | 2021-07-30 | Touch display panel and touch display device |
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| CN113568531A CN113568531A (en) | 2021-10-29 |
| CN113568531B true CN113568531B (en) | 2024-03-15 |
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| KR20110057385A (en) * | 2009-11-24 | 2011-06-01 | 주식회사 윈터치 | Tablet having function of touchpad |
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| CN104252279A (en) * | 2014-09-28 | 2014-12-31 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method of touch display panel, drive method of touch display panel and touch display device with touch display panel |
| CN104298411A (en) * | 2014-10-30 | 2015-01-21 | 上海天马微电子有限公司 | Electromagnetic and capacitive integrated touch substrate, touch display panel and touch display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103941933B (en) * | 2013-06-28 | 2018-01-30 | 上海天马微电子有限公司 | Touch display device integrating capacitance and electromagnetic touch |
| CN103543899B (en) * | 2013-10-23 | 2016-08-17 | 合肥京东方光电科技有限公司 | Electromagnetic touch control display and preparation method thereof |
| KR101581672B1 (en) * | 2014-06-09 | 2015-12-31 | 주식회사 더한 | Multiple input pad and input system capable of detecting electrostatic touch and induced electromagnetic field |
| CN104090680B (en) * | 2014-07-23 | 2017-07-25 | 上海天马微电子有限公司 | Touch panel, driving method thereof and electronic equipment |
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Patent Citations (4)
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|---|---|---|---|---|
| KR20110057385A (en) * | 2009-11-24 | 2011-06-01 | 주식회사 윈터치 | Tablet having function of touchpad |
| CN104216592A (en) * | 2014-09-17 | 2014-12-17 | 上海天马微电子有限公司 | Touch screen and driving method thereof |
| CN104252279A (en) * | 2014-09-28 | 2014-12-31 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method of touch display panel, drive method of touch display panel and touch display device with touch display panel |
| CN104298411A (en) * | 2014-10-30 | 2015-01-21 | 上海天马微电子有限公司 | Electromagnetic and capacitive integrated touch substrate, touch display panel and touch display device |
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