CN204679990U - A kind of touch-control display panel and display device - Google Patents
A kind of touch-control display panel and display device Download PDFInfo
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- CN204679990U CN204679990U CN201520434121.7U CN201520434121U CN204679990U CN 204679990 U CN204679990 U CN 204679990U CN 201520434121 U CN201520434121 U CN 201520434121U CN 204679990 U CN204679990 U CN 204679990U
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Abstract
The utility model discloses a kind of touch-control display panel and display device, this touch-control display panel comprises: the array base palte with the touch control electrode arranged in matrix and the pixel cell arranged in matrix, each touch control electrode comprises multiple public electrode, there is between the pixel cell of adjacent column touch-control lead-in wire, each touch control electrode is connected with the pin of touch chip by corresponding touch-control lead-in wire, in the touch-control stage, public electrode is multiplexed with touch control electrode, do not increasing under extra manufacture craft prerequisite, by means of only arranging touch-control lead-in wire between adjacent column pixel cell, interior embedding technique is combined with existing large scale display panel, the excellence of the display and touch-control that achieve large scale display panel under low cost is experienced, and wherein touch-control goes between with pixel electrode without overlapping, make overall stray capacitance less, the time that less stray capacitance can ensure abundance carries out touch-control driving scanning, be conducive to touch-control to drive scanning and detect.
Description
Technical Field
The utility model relates to a touch-control shows technical field, especially relates to a touch-control display panel and display device.
Background
At present, with the development of display technology, the display technology is widely applied to the display of televisions, mobile phones and public information, large-size display panels gradually become an important part of people's lives, and with the rapid development of display technology, Touch screens (Touch Screen panels) have gradually spread throughout people's lives, today with the pursuit of excellent experience functions, Touch performance is always a big defect of large-size display panels, or is limited by technology or cost, with the development of Touch Screen technology, with market requirements, the thinning of an integral module is a market development trend, so that a Touch structure is developed from a Touch sensing external type to a Touch sensing embedded type, thus, the thickness of the Touch Panel can be reduced, meanwhile, the cost of the Touch Screen is greatly reduced, and currently, embedded Touch panels are mainly of three types: the resistive touch panel, the capacitive touch panel and the optical touch panel are applied to a small-sized display screen, and the excellent touch performance becomes the direction of future touch design, so that the direction of effort is provided for realizing the excellent touch performance of the large-sized display panel.
Therefore, how to achieve excellent touch performance of a large-sized display panel on the premise of low cost is a technical problem to be urgently solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a touch-control display panel and display device for realize jumbo size display panel's excellent touch-control performance under low-cost prerequisite.
An embodiment of the utility model provides a touch-control display panel, include: the array substrate is provided with touch electrodes arranged in a matrix manner and pixel units arranged in a matrix manner; wherein,
each touch electrode comprises a plurality of common electrodes, touch leads are arranged between the pixel units in adjacent rows, and each touch electrode is connected with pins of a touch chip through the corresponding touch lead;
the touch lead is used for transmitting a common electrode signal to the touch electrode in a display stage, transmitting a touch scanning signal to the touch electrode in a touch stage, and transmitting a touch signal generated at a touch position to the touch chip.
In a possible implementation manner, an embodiment of the present invention provides an in the above-mentioned touch display panel, touch electrode and gate are with layer setting and mutual insulation, touch lead and data line are with layer setting and parallel to each other, touch electrode pass through the via hole with touch lead electrical property links to each other.
In a possible implementation manner, an embodiment of the present invention provides an above-mentioned touch display panel, wherein each of the plurality of common electrodes included in the touch electrode is arranged in a matrix, and each of the plurality of common electrodes in each row of the touch electrode is connected to each other through a connection line.
In a possible implementation manner, an embodiment of the present invention provides the above touch display panel, wherein each of the common electrodes in each row of the common electrodes in the touch electrodes is located in the same column, and the common electrodes are electrically connected to the corresponding touch leads through the via holes.
In a possible implementation manner, an embodiment of the present invention provides an embodiment of the touch display panel, wherein the connecting lines and the gate lines are disposed on the same layer and are parallel to each other.
In a possible implementation manner, an embodiment of the present invention provides an above-mentioned touch display panel, wherein each of the pixel units includes a plurality of sub-pixels, and the common electrode included in the touch electrode corresponds to the sub-pixels included in the pixel units one to one.
The embodiment of the utility model provides a display device, include the embodiment of the utility model provides an above-mentioned touch-control display panel.
The utility model discloses beneficial effect includes:
the embodiment of the utility model provides a touch-control display panel and display device, this touch-control display panel includes: the array substrate is provided with touch electrodes arranged in a matrix manner and pixel units arranged in a matrix manner; each touch electrode comprises a plurality of common electrodes, touch leads are arranged between pixel units in adjacent rows, and each touch electrode is connected with pins of the touch chip through the corresponding touch lead; the touch lead is used for transmitting a common electrode signal to the touch electrode in the display stage and transmitting a touch scanning signal to the touch electrode in the touch stage and is also used for transmitting the touch signal generated at the touch position to the touch chip, so that the common electrode is reused as the touch electrode in the touch stage, and the excellent display and touch experience of the large-size display panel at low cost is realized only by arranging the touch lead between adjacent rows of pixel units without adding an additional manufacturing process on the premise of fusing a self-capacitance type embedded touch technology and combining the embedded technology with the existing large-size display panel.
Drawings
Fig. 1 is a schematic structural diagram of a touch display panel according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for manufacturing a touch display panel according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall film structure of a touch display panel according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a driving method of a touch display panel according to an embodiment of the present invention.
Detailed Description
The following describes in detail specific embodiments of a touch display panel, a manufacturing method thereof, a driving method thereof, and a display device according to embodiments of the present invention with reference to the accompanying drawings.
The thickness of each film layer and the size and shape of the area in the drawings do not reflect the real proportion of each part of the touch display panel, and the purpose is only to illustrate the content of the utility model.
An embodiment of the utility model provides a touch display panel, as shown in fig. 1, can include: the array substrate is provided with touch electrodes 1 arranged in a matrix and pixel units arranged in a matrix; wherein,
each touch electrode 1 comprises a plurality of common electrodes 2, touch leads 3 are arranged between pixel units in adjacent rows, and each touch electrode 1 is connected with pins of a touch chip through the corresponding touch lead 3;
the touch lead 3 is used for transmitting a common electrode signal to the touch electrode 1 in a display stage, transmitting a touch scanning signal to the touch electrode 1 in a touch stage, and transmitting a touch signal generated at a touch position to the touch chip.
The embodiment of the utility model provides an above-mentioned touch-control display panel is as shown in FIG. 1 (wherein the region of dotted line frame N mark corresponds the region of a pixel unit, and the region that a common electrode 2 corresponds with the region that a sub-pixel corresponds, uses a pixel unit to include three sub-pixel in the picture as an example, and in practical application, a pixel unit can include more than three sub-pixel), can include: the array substrate is provided with touch electrodes 1 arranged in a matrix and pixel units arranged in a matrix; each touch electrode 1 comprises a plurality of common electrodes 2, touch leads 3 are arranged between pixel units in adjacent rows, and each touch electrode 1 is connected with pins of a touch chip P through the corresponding touch lead 3; the touch lead 3 is used for transmitting a common electrode signal to the touch electrode 1 in the display stage, transmitting a touch scanning signal to the touch electrode 1 in the touch stage, and is also used for transmitting a touch signal generated at a touch position to the touch chip, so that the common electrode is reused as a touch electrode at a touch stage, on the premise of not adding extra manufacturing process, the self-capacitance type embedded touch technology is fused only by arranging the touch lead between the adjacent rows of pixel units, the embedded technology is combined with the existing large-size display panel, the excellent display and touch experience of the large-size display panel at low cost is realized, and the touch lead wire and the pixel electrode are not overlapped, so that the whole parasitic capacitance is smaller, the smaller parasitic capacitance can ensure sufficient time for touch driving scanning, and touch driving scanning and detection are facilitated.
In the touch display panel provided by the embodiments of the present invention, the common electrode is reused as the touch electrode in the touch stage to realize the touch function, as shown in fig. 1, the touch electrode 1 may be disposed on the same layer as and insulated from a gate electrode (not shown) and disposed on the same layer as and parallel to the data line 03, the touch electrode 1 is electrically connected to the touch lead 3 through a via 10, specifically, the touch electrode and the gate electrode are disposed on the same layer but different in material, the gate electrode is typically made of a metal material such as copper, aluminum, etc., the touch electrode is typically made of an ITO material, in the manufacturing process of the touch display panel, the grid electrode and the touch electrode are formed by adopting a twice composition process, the touch lead and the data line are arranged on the same layer and are made of the same material, so that the touch lead and the data line can be formed by adopting the same composition process, and the production cost can be reduced.
In specific implementation, as shown in fig. 1, in the touch display panel provided in the embodiment of the present invention, each touch electrode 1 includes a plurality of common electrodes 2 arranged in a matrix, the plurality of common electrodes 2 in each row of each touch electrode 1 are connected by a connection line 4, each touch electrode 1 is formed by an array formed by combining the plurality of common electrodes 2 according to a certain number of rows and columns, each touch electrode 1 corresponds to one touch lead 3, the plurality of common electrodes 2 in each row of each touch electrode 1 are connected by the connection line 4, so that the common electrodes in the same column of each row of common electrodes are connected to the touch leads, that is, when receiving signals input by the touch leads, the common electrodes in the whole row can receive the same signals, and further receive common electrode signals and touch scanning signals in the display stage and the touch stage respectively, and driving the touch display panel to correspondingly realize a display function and a touch function in a display stage and a touch stage.
In practical implementation, in the touch display panel provided in the embodiments of the present invention, in order to drive the touch display panel to correspondingly realize the touch function and the display function in the touch stage and the display stage, each touch electrode is connected to a corresponding touch lead, a plurality of common electrodes included in each touch electrode are arranged in a matrix, therefore, the common electrodes in the same row of the common electrodes in each touch electrode can be electrically connected with the corresponding touch lead wires through the via holes, so that the common electrodes in the same row of the common electrodes in each row are connected with the touch lead wires, that is, when receiving the signal input by the touch lead, the common electrodes in the whole row can receive the same signal, and then, respectively receiving the common electrode signal and the touch scanning signal in a display stage and a touch stage, and driving the touch display panel to correspondingly realize a display function and a touch function in the display stage and the touch stage.
In particular implementation, the embodiment of the utility model provides an among the above-mentioned touch display panel, a plurality of common electrodes that include in order to realize the touch electrode can receive the same signal at same moment, consequently, need link to each other through the connecting wire between a plurality of common electrodes of every line in the touch electrode, just so can guarantee that a plurality of common electrodes of a line in the touch electrode can receive the same signal in step at same time quantum, wherein, as shown in fig. 1, connecting wire 4 can be with grid line 02 with the layer setting and be parallel to each other, the material of connecting wire can be the same with the material of grid line, consequently, in touch display panel manufacturing process, can adopt same time composition technology to form grid line and connecting wire, can reduce manufacturing cost like this.
In practical implementation, in the touch display panel provided in the embodiments of the present invention, each pixel unit includes a plurality of sub-pixels (e.g. R, G, B sub-pixels), the common electrode included in the touch electrode corresponds to the sub-pixels included in the pixel unit one by one, that is, the common electrode corresponds to the pixel electrode one by one, the common electrode provides a common voltage signal for the pixel electrode during the display period, so as to implement normal display of the display panel, the common electrode is reused as the touch electrode during the touch period, the common electrode forms the touch electrode capable of implementing the touch function through a certain arrangement and combination according to the touch precision and the size specification of the touch display panel, and is connected to the pins of the touch chip through the corresponding touch leads, the touch leads input the touch scan signal during the touch period to implement touch scan, and transmit the touch signal generated at the touch position to the touch chip, the touch chip determines the touch point through the touch signal.
Based on same utility model the design, the embodiment of the utility model provides a display device is provided, include the embodiment of the utility model provides an above-mentioned touch-control display panel. The display device can be applied to any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Because the principle of the display device for solving the problems is similar to that of the touch display panel, the implementation of the display device can be referred to the implementation of the touch display panel, and repeated details are not repeated.
Based on same utility model the design, the embodiment of the utility model provides a provide one the utility model provides an above-mentioned touch-control display panel's preparation method, as shown in fig. 2, can include:
s101, forming a pattern of touch electrodes arranged in a matrix on a substrate;
each touch electrode is formed to comprise a plurality of common electrodes;
s102, forming a pattern of touch leads positioned between adjacent rows of pixel units on a substrate with a touch electrode pattern;
the formed touch lead is used for transmitting a common electrode signal to the touch electrode in a display stage, transmitting a touch scanning signal to the touch electrode in a touch stage, and transmitting a touch signal generated at a touch position to the touch chip.
The embodiment of the utility model provides an among the above-mentioned touch-control display panel's preparation method, on the basis that does not change the original laminated structure of display panel, only through set up the touch-control lead wire between adjacent row pixel unit, with the multiplexing touch-control electrode of common electrode in the touch-control stage, realize the touch-control function, under the extra preparation technology prerequisite of not increasing, the embedded touch-control technique of self-capacitance formula has been fused, combine together embedded technique and current jumbo size display panel, the excellent experience of jumbo size display panel's demonstration and touch-control under the low cost has been realized, and wherein touch-control lead wire and pixel electrode non-overlapping, make whole parasitic capacitance less, less parasitic capacitance can guarantee to have sufficient time to carry out touch-control drive scanning, be favorable to touch-control drive scanning and detection.
In specific implementation, in the preparation method of the touch display panel provided in the embodiment of the present invention, step S102 may specifically include: on the substrate base plate that is formed with the touch-control electrode pattern, form the pattern of source leakage electrode, data line and touch-control lead wire through a composition technology, specifically, the utility model provides a touch-control display panel can realize under low-cost prerequisite, combine together embedded technique and current jumbo size display panel, realize jumbo size display panel's demonstration and the excellent experience of touch-control under the low cost, consequently on the basis that does not change the original laminated structure of display panel, only through set up the touch-control lead wire between adjacent row pixel unit, multiplex as touch-control electrode with public electrode in the touch-control stage, realize the touch-control function, and the touch-control lead wire can with source leakage electrode and data line with the same layer setting, same composition technology forms, consequently can reduce the cost of manufacture.
In specific implementation, the embodiment of the present invention provides a method for manufacturing a touch display panel, which includes, after forming a pattern of a touch electrode on a substrate, forming a pattern of a source/drain electrode, a data line, and a touch lead, the method further includes: form the pattern including grid, grid line, connecting wire, grid insulating layer and active layer on the substrate base plate that is formed with the pattern of touch-control electrode, specifically, in order to realize touch-control display panel touch-control and the function of demonstration, touch-control display panel should possess necessary structures such as grid, grid line, grid insulating layer and active layer, and it is the same with the function and the preparation method of corresponding membranous layer structure among the prior art, do not do detailed here, but the utility model discloses a connecting wire that is used for linking to each line a plurality of public electrodes in every touch-control electrode can be with the same layer setting of grid, and the same composition technology of doing so forms, can reduce manufacturing cost, and specific preparation process can be as follows: forming patterns of a grid electrode, a grid line and a connecting line on a substrate with the patterns of the touch electrode through a one-time composition process; the deposition and etching processes of the film layers involved in the preparation process of the pattern of the active layer formed on the substrate having the pattern of the gate electrode, the gate line and the connection line are the same as those of the prior art, and will not be described in detail herein.
In particular, the embodiment of the present invention provides a method for manufacturing a touch display panel, which can further include, after forming a pattern of a touch lead: specifically, in order to realize normal display of the touch display panel in a display stage, patterns including the passivation layer and the pixel electrodes need to be formed on the substrate with the patterns of the touch leads, so that in the display stage, the common electrodes provide common electrode signals for the pixel electrodes to drive the display panel to realize a display function, in the touch stage, the common electrodes are multiplexed as touch electrodes, touch scanning is realized through touch scanning signals input by the touch leads, then the touch signals generated at touch positions are transmitted to a touch chip through the touch leads, and the touch chip realizes determination of touch points according to the touch signals.
In particular, the embodiment of the present invention provides a method for manufacturing a touch display panel, in which a pattern of a passivation layer is formed on a substrate with a pattern of a touch lead, the method specifically includes:
forming a pattern of a passivation layer on the substrate base plate with the pattern of the touch lead through a one-time composition process; or, on the substrate base plate on which the pattern of the touch lead is formed, the pattern of the first passivation layer is formed through a resin process, and the pattern of the second passivation layer is formed on the substrate base plate on which the pattern of the first passivation layer is formed, specifically, in order to realize the insulation of the source drain electrode layer and the pixel electrode layer, the passivation layer needs to be arranged between the source drain electrode layer and the pixel electrode layer, the passivation layer can be arranged into one layer or two layers, when the passivation layer is arranged into two layers, the first passivation layer can be arranged into a resin layer, and the resin layer is arranged between the source drain electrode and the pixel electrode, so that the capacitance between the source drain electrode and the pixel electrode can be reduced, and further the RC delay of the source drain electrode is reduced, thereby reducing the power consumption of the.
Specifically, the overall film structure of the touch display panel formed by the above preparation method is shown in fig. 3, wherein a gate 01 and a common electrode 2 (i.e. a touch electrode) are disposed on a substrate G in the same layer, a gate insulating layer 04 is disposed on the gate 01 and the common electrode 2, an active layer 05, a source/drain electrode 06, a touch lead 3 and a data line (not shown in the figure) are disposed on the gate insulating layer 04, the common electrode 2 is electrically connected to the touch lead 3 through a via 10, a first passivation layer 07 (i.e. a resin layer) is disposed on the active layer 05, the source/drain electrode 06 and the touch lead 3, a second passivation layer 08 is disposed on the first passivation layer 07, a pixel electrode 09 is disposed on the second passivation layer 08, which is just one specific embodiment of the touch display panel structure, and in practical production and application, the specific structure of the touch display panel is not limited thereto, the film structure can be increased or decreased or changed according to the actual production requirement so as to be suitable for display panels with various modes, which is not limited herein.
Based on same utility model the design, the embodiment of the utility model provides a provide one the utility model provides an above-mentioned touch-control display panel's driving method, as shown in fig. 4, can specifically include:
s201, in a display stage, applying a common electrode signal to a touch lead in a touch display panel, simultaneously sequentially applying a gate scanning signal to a grid line in the touch display panel, and applying a data signal to a data line;
s202, in a touch driving stage, applying a touch scanning signal to a touch lead in the touch display panel, simultaneously applying a synchronous signal modulated with the touch scanning signal to a grid line and a data line in the touch display panel, transmitting a touch signal generated at a touch position to a touch chip by the touch lead, and determining the position of the touch point by the touch chip according to the touch signal.
In the driving method of the touch display panel provided by the embodiment of the present invention, the display panel is driven correspondingly at the display stage and the touch stage to realize the display function and the touch function, so that the common electrode is reused as the touch electrode in the touch and display stage by adopting a time-sharing driving method, the common electrode signal is applied to the touch lead in the display stage to provide the common electrode signal for the common electrode, the touch scanning signal is applied to the touch lead in the touch stage to drive the touch display panel to perform touch scanning, and the grid line and the data line apply the synchronization signal modulated with the touch scanning signal to reduce the parasitic capacitance between the touch electrode and other electrode lines, thereby reducing the RC delay between the touch electrode and other electrode lines, and the touch lead transmits the touch signal generated at the touch position to the touch chip, which determines the touch position according to the touch signal, therefore, the self-capacitance type embedded touch technology is integrated, the embedded technology is combined with the existing large-size display panel, and excellent display and touch experience of the large-size display panel at low cost is realized.
The embodiment of the utility model provides a touch-control display panel, its preparation method, drive method and display device, this touch-control display panel includes: the array substrate is provided with touch electrodes arranged in a matrix manner and pixel units arranged in a matrix manner; each touch electrode comprises a plurality of common electrodes, touch leads are arranged between pixel units in adjacent rows, and each touch electrode is connected with pins of the touch chip through the corresponding touch lead; the touch lead is used for transmitting a common electrode signal to the touch electrode in the display stage and transmitting a touch scanning signal to the touch electrode in the touch stage and is also used for transmitting the touch signal generated at the touch position to the touch chip, so that the common electrode is reused as the touch electrode in the touch stage, and the excellent display and touch experience of the large-size display panel at low cost is realized only by arranging the touch lead between adjacent rows of pixel units without adding an additional manufacturing process on the premise of fusing a self-capacitance type embedded touch technology and combining the embedded technology with the existing large-size display panel.
It will be apparent to those skilled in the art that various changes and modifications may be made 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 and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A touch display panel, comprising: the array substrate is provided with touch electrodes arranged in a matrix manner and pixel units arranged in a matrix manner; wherein,
each touch electrode comprises a plurality of common electrodes, touch leads are arranged between the pixel units in adjacent rows, and each touch electrode is connected with pins of a touch chip through the corresponding touch lead;
the touch lead is used for transmitting a common electrode signal to the touch electrode in a display stage, transmitting a touch scanning signal to the touch electrode in a touch stage, and transmitting a touch signal generated at a touch position to the touch chip.
2. The touch display panel according to claim 1, wherein the touch electrodes and the gate electrodes are disposed on the same layer and insulated from each other, the touch leads and the data lines are disposed on the same layer and parallel to each other, and the touch electrodes are electrically connected to the touch leads through via holes.
3. The touch display panel according to claim 2, wherein each of the touch electrodes includes a plurality of common electrodes arranged in a matrix, and the plurality of common electrodes in each of the rows of each of the touch electrodes are connected to each other by a connection line.
4. The touch display panel according to claim 3, wherein the common electrodes in the same row in each of the touch electrodes are electrically connected to the corresponding touch leads through vias.
5. The touch display panel of claim 4, wherein the connecting lines and the gate lines are disposed on the same layer and parallel to each other.
6. The touch display panel according to any one of claims 1 to 5, wherein each of the pixel units includes a plurality of sub-pixels, and the touch electrode includes a common electrode in one-to-one correspondence with the sub-pixels included in the pixel unit.
7. A display device comprising the touch display panel according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434121.7U CN204679990U (en) | 2015-06-23 | 2015-06-23 | A kind of touch-control display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434121.7U CN204679990U (en) | 2015-06-23 | 2015-06-23 | A kind of touch-control display panel and display device |
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| CN204679990U true CN204679990U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520434121.7U Expired - Fee Related CN204679990U (en) | 2015-06-23 | 2015-06-23 | A kind of touch-control display panel and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024763A1 (en) * | 2015-08-11 | 2017-02-16 | 京东方科技集团股份有限公司 | Touch display panel, and manufacturing method, driving method and display device therefor |
| CN109143639A (en) * | 2017-06-19 | 2019-01-04 | 南京瀚宇彩欣科技有限责任公司 | Embedded touch display device |
| CN111176486A (en) * | 2019-12-30 | 2020-05-19 | 厦门天马微电子有限公司 | Display panel, driving method thereof and display device |
-
2015
- 2015-06-23 CN CN201520434121.7U patent/CN204679990U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024763A1 (en) * | 2015-08-11 | 2017-02-16 | 京东方科技集团股份有限公司 | Touch display panel, and manufacturing method, driving method and display device therefor |
| US10261624B2 (en) | 2015-08-11 | 2019-04-16 | Boe Technology Group Co., Ltd. | Touch control display panel, method of manufacturing the same, driving method, and display device |
| CN109143639A (en) * | 2017-06-19 | 2019-01-04 | 南京瀚宇彩欣科技有限责任公司 | Embedded touch display device |
| CN111176486A (en) * | 2019-12-30 | 2020-05-19 | 厦门天马微电子有限公司 | Display panel, driving method thereof and display device |
| CN111176486B (en) * | 2019-12-30 | 2022-09-16 | 厦门天马微电子有限公司 | Display panel, driving method thereof and display device |
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