CN113568526A - Touch display panel and touch device - Google Patents
Touch display panel and touch device Download PDFInfo
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- CN113568526A CN113568526A CN202110834049.7A CN202110834049A CN113568526A CN 113568526 A CN113568526 A CN 113568526A CN 202110834049 A CN202110834049 A CN 202110834049A CN 113568526 A CN113568526 A CN 113568526A
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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
- 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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Abstract
The embodiment of the application provides a touch display panel and a touch device, wherein a touch electrode arranged on the touch display panel is a grid electrode, and the grid electrode between a light-emitting sub-pixel and an adjacent light-emitting sub-pixel in a partial region of the touch panel is discontinuously arranged. The touch electrode is set to be a patterned grid electrode, and in a non-light-emitting area around a corresponding light-emitting sub-pixel, the grid of the touch electrode is discontinuous and is provided with a wiring opening, so that the grid electrode can better ensure the light to penetrate through, the light transmittance of the touch panel is effectively improved, and the identification performance and the display effect of the touch panel are ensured.
Description
Technical Field
The invention relates to the technical field of manufacturing of display panels and display devices, in particular to a touch display panel and a touch device.
Background
With the continuous improvement of the display panel manufacturing technology, people have higher and higher requirements on the performance and quality of the display panel and the display device.
In recent years, the touch screen technology attracts people's attention increasingly, and the touch screen technology not only improves the use performance of the display panel to a certain extent due to the fact that the touch screen technology can be directly operated on the display screen, but also enables the use experience of users to be more convenient and fast. The DOT touch technology (DOT on fe, DOT) is a touch technology that has development potential and market competitiveness in the Organic Light Emitting Diode (OLED) at present, and the DOT touch technology is a touch technology that directly evaporates a metal mesh with a pattern on an OLED packaging layer and enables the metal mesh to form a touch layer structure of a touch panel. However, when the metal mesh is arranged, the touch electrode formed by the arranged metal mesh is opaque, so that when light passes through the layer structure, the transmittance of the light is reduced due to the opacity of the touch electrode, and when the optical fingerprint is applied in a scene with a screen, the fingerprint imaging recognition effect of the touch panel and the display effect of the touch panel are seriously affected.
In summary, in the conventional touch display panel, when the touch electrode layer is disposed, since the touch electrode layer is opaque, when light passes through the touch electrode layer, the transmittance of the light is reduced, and thus the fingerprint recognition function and the display function of the touch panel are affected.
Disclosure of Invention
Embodiments of the present invention provide a touch display panel and a touch device, so as to solve the problem in the existing touch preparation technology that when light passes through a touch layer, the transmittance of the light is low, and further the touch performance and the display effect of the touch panel are affected.
In order to solve the above technical problem, the technical method provided by the embodiment of the present invention is as follows:
in a first aspect of the embodiments of the present invention, a touch panel is provided, including:
an array substrate;
the light-emitting device layer is arranged on the array substrate and comprises a plurality of light-emitting sub-pixels arranged in an array; and the number of the first and second groups,
the grid electrode is arranged on the light-emitting device layer, and the grid center of the grid electrode is arranged in a contraposition with the light-emitting sub-pixels;
wherein, the electrodes between part of the light-emitting sub-pixels and the adjacent light-emitting sub-pixels are discontinuously arranged.
According to an embodiment of the present invention, the light emitting sub-pixel includes: the color filter comprises a first color sub-pixel, a second color sub-pixel and a third color sub-pixel, wherein the first color sub-pixel, the second color sub-pixel and the third color sub-pixel are arranged in an array along a first direction and a second direction, and the first direction and the second direction are vertical;
wherein the grid unit is discontinuous in the non-emitting region corresponding to the second color sub-pixel.
According to an embodiment of the present invention, the grid unit is provided with a trace opening in the non-light emitting region corresponding to at least two sides of the second color sub-pixel.
According to an embodiment of the present invention, the widths of the trace openings of the second color sub-pixels in different non-light emitting areas are different.
According to an embodiment of the invention, the width of the trace opening is greater than 5 um.
According to an embodiment of the present invention, the corresponding discontinuous grid electrodes in some of the light emitting sub-pixels are periodically arranged.
According to an embodiment of the present invention, the discontinuous grid electrodes in a part of the light emitting sub-pixels are arranged at every other same number of light emitting sub-pixels.
According to an embodiment of the present invention, n-1 light emitting sub-pixels are spaced between two adjacent discontinuous grid electrodes, where n is an integer and n is the number of rows or columns corresponding to the array light emitting units of the touch panel.
According to an embodiment of the present invention, the shape of the grid unit includes a diamond grid or a circular arc grid.
According to a second aspect of the embodiments of the present invention, there is also provided a display device including:
a substrate;
the array substrate is arranged on the substrate;
the touch panel is arranged on the array substrate;
the touch panel comprises a touch electrode, the touch electrode comprises a plurality of grid units, and the grid units are discontinuous in a non-light-emitting area corresponding to a pixel unit of at least one touch device.
In summary, the embodiments of the present invention have the following beneficial effects:
in order to improve the light transmittance of the display device and the display effect of the device, in the embodiment of the present invention, when the touch electrode layer inside the display device is disposed, the touch electrode is disposed as a grid electrode with a patterned grid structure, and the grid of the touch electrode is discontinuous and provided with an opening in a non-light-emitting area around a corresponding light-emitting sub-pixel.
Drawings
The technical solution and other advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic plan view of a touch electrode in the prior art;
fig. 2 is a schematic plan view illustrating a touch electrode of a touch panel according to an embodiment of the present disclosure;
fig. 3 is a schematic plan view illustrating a planar arrangement of another touch electrode provided in the embodiment of the present application;
fig. 4 is a schematic structural diagram of another grid electrode provided in the embodiment of the present application;
fig. 5 is a schematic view of an arrangement structure of another touch electrode provided in the embodiment of the present application.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
With the continuous improvement of the comprehensive performance of the display panel, the application field of the touch panel is also continuously expanded. Among them, DOT touch technology is one of the commonly used touch technologies in the OLED field at present. In DOT touch technology, a patterned metal mesh structure is usually formed on an encapsulation layer of an OLED by direct evaporation, and the metal mesh structure can form a touch electrode layer of a display panel, but the touch electrode layer is often opaque and can shield light rays of the display panel, so that the display effect of the display panel and the imaging recognition effect of fingerprints are reduced.
As shown in fig. 1, fig. 1 is a schematic plan view of a touch electrode in the prior art. The display panel comprises a plurality of light-emitting pixels in a light-emitting display area, and the plurality of light-emitting pixels are arrayed and form the light-emitting area of the display panel. In the embodiment of the present application, one pixel unit in a light-emitting pixel is taken as an example for description.
The touch panel includes an array substrate and a light emitting device layer 110 disposed on the array substrate. In the embodiment of the present application, since the schematic plan view is shown, only the light emitting device layer 110 is shown in fig. 1, the array substrate is not labeled, the array substrate is a common thin film transistor array substrate in the prior art, and when the array substrate is disposed, the arrangement may be performed according to a conventional technique, which is not described in detail herein.
The light-emitting device layer 110 includes a plurality of pixel units 10, the plurality of pixel units 10 are arranged in an array to form the light-emitting area of the display panel, and the pixel units 10 include a plurality of light-emitting sub-pixels. Specifically, the light-emitting sub-pixels may include a green sub-pixel 100, a red sub-pixel 101, and a blue sub-pixel 102.
In order to realize the touch function, a touch electrode, i.e., a grid electrode 103 in the embodiment of the present application, is further disposed on the light emitting device layer 110, and the grid electrode 103 is disposed in the non-light emitting region 106 corresponding to the periphery of the light emitting region 104 of each light emitting sub-pixel.
Since the grid electrode 103 is opaque, when the touch panel performs touch recognition, the light transmittance is likely to be reduced, thereby affecting the recognition effect and the display effect of the panel. The embodiment of the application provides a touch panel, which improves the structure of a touch electrode, and further improves the touch performance and the display effect of the touch panel.
As shown in fig. 2, fig. 2 is a schematic plan view of a touch electrode of a touch panel according to an embodiment of the present disclosure. The light-emitting device layer of the touch panel comprises a plurality of pixel units arranged in an array, and the plurality of pixel units are arranged in the array and form the whole light-emitting area of the touch panel. In the embodiment of the present application, one pixel unit 10 is taken as an example for description. When the pixel units 10 are arranged in the light emitting device layer, they may be arranged along a first direction X and a second direction Y, where the first direction X and the second direction Y form a certain angle with each other. Preferably, the angle between the first direction X and the second direction Y may also be any other value.
In the embodiment of the present invention, a plurality of light-emitting sub-pixels are respectively disposed in each pixel unit 10, and the light-emitting sub-pixels include a plurality of sub-pixels with different colors, such as a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, etc. in the embodiment of the present invention, the description is given by taking as an example that the first color sub-pixel is a green sub-pixel 100, the third color sub-pixel is a red sub-pixel 101, and the second color sub-pixel is a blue sub-pixel 102. The light-emitting sub-pixels are formed in the area of the light-emitting sub-pixels 104, and the area formed between two adjacent sub-pixels is the non-light-emitting area 106, for example, the area formed between the green sub-pixel 100 and the red sub-pixel 101 is the non-light-emitting area 106.
The grid electrode 103 is disposed in alignment with the light-emitting sub-pixels, that is, the grid center of the grid electrode 103 is disposed in alignment with the light-emitting sub-pixels, the grid electrode 103 is disposed in the non-light-emitting region 106 formed between each sub-pixel, and after the grid electrode 103 is disposed, a "square" sub-grid structure is formed inside the pixel unit 10. As shown in fig. 2.
In order to improve the light transmittance of the touch panel, in the embodiment of the present application, when the grid electrode 103 is disposed, the corresponding electrode in at least one sub-pixel peripheral region in the pixel unit 10 is disposed as a discontinuous grid structure. In the embodiment of the present application, the discontinuous grid structure is described by taking a trace opening structure or a via structure as an example. Through forming the opening on grid electrode 103, when light shines this grid electrode 103 again, owing to be provided with the opening to guaranteed that light can see through from this opening completely, and then the effectual light transmissivity who guarantees touch panel, and improved touch panel's comprehensive properties, discontinuous grid electrode in this application embodiment sets up in the peripheral region of partial sub-pixel, and all the regions that this sub-pixel corresponds are partial luminous sub-pixel region, in order to distinguish with other sub-pixel regions that do not set up this discontinuous grid electrode.
Specifically, in the present embodiment, when the discontinuous grid electrode 103 is provided, the discontinuous grid electrode 103 is provided in the non-light-emitting region 106 around the blue sub-pixel 102 in the pixel unit 10. Specifically, non-light-emitting areas 106 are formed around the blue sub-pixel 102 and between sub-pixels of different colors, so that the grid electrodes 103 in the non-light-emitting areas 106 corresponding to each side of the blue sub-pixel 102 are arranged in a routing opening 107 structure.
In the embodiment of the present invention, when the trace opening 107 structure is disposed, for the blue sub-pixel 102, the trace openings 107 may be disposed in the plurality of non-light-emitting areas 106, that is, the trace openings 107 are disposed in the non-light-emitting areas 106 corresponding to four sides of the blue sub-pixel 102, respectively. Thus, the trace openings 107 are formed around the blue sub-pixels 102, respectively, and when light is incident and emitted from the bottom or the top of the touch panel, the light directly penetrates through the opening structure, so that the light transmittance of the touch panel is effectively improved, and the comprehensive performance of the panel is improved.
Further, when the wiring opening 107 is disposed, in order to ensure the light transmittance, the width between the grid electrodes corresponding to the two sides of the opening of the wiring opening 107 is greater than 5 um. Therefore, when the trace openings 107 are disposed in the non-light emitting areas 106 corresponding to four sides of the blue sub-pixel 102, the opening width of each trace opening 107 is the same.
Preferably, for an actual touch product, when the grid electrode 103 is disposed, the trace openings 107 of the grid electrode 103 may also be disposed in the non-light-emitting areas 106 corresponding to at least two sides of the blue sub-pixel 102, and the widths of the trace openings 107 corresponding to one side of each side may be the same or different, but the width of the disposed trace opening 107 is ensured to be greater than 5 um. Therefore, when light passes through the grid electrode 103, all light can pass through the trace opening 107, so as to ensure the light transmittance of the touch panel.
As shown in fig. 3, fig. 3 is a schematic plane layout view of another touch electrode provided in the embodiment of the present application. In the embodiment of the present application, when the grid electrode 103 is disposed, the grid electrode 103 is correspondingly disposed in the non-light emitting region 106 of each sub-pixel, so as to prevent the grid electrode 103 from affecting the display effect of the display panel. Specifically, when the routing openings of the grid electrode 103 are provided, the electrode can be directly cut out in the non-light emitting region 106 corresponding to one side of the blue sub-pixel 102, so that the grid electrode 103 is not provided between the adjacent regions corresponding to the blue sub-pixel 102 and the green sub-pixel 100. Because the grid electrode 103 is not arranged in the area, more light can penetrate through the area, and the performance of the touch panel is effectively improved.
Preferably, when the grid electrode 103 around the blue sub-pixel 102 is disposed, the trace openings of the grid electrode 103 around the blue sub-pixel 102 may also be disposed as different openings. Specifically, in the embodiment of the present application, the first trace opening 1071 and the second trace opening 1072 are taken as an example for description. The opening width of the first routing opening 1071 is greater than the opening width of the second routing opening 1072, and meanwhile, the first routing opening 1071 and the second routing opening 1072 are disposed in the non-light emitting region 106 corresponding to two adjacent edges, in the embodiment of the present application, the first routing opening 1071 can completely dig out the electrode in the region, and in the region corresponding to the second routing opening 1072, the width of the second routing opening 1072 is set to be greater than 5 um. Meanwhile, the electrodes corresponding to the other regions on the four sides of the blue sub-pixel 102 may be symmetrically disposed with the electrodes on the opposite sides, so as to ensure the uniformity of light when passing through the touch electrode, and ensure the touch performance and the light emitting performance of the touch panel.
Further, when the routing openings of the grid electrodes 103 provided in the embodiment of the present application are provided, the routing openings may also be provided in the non-light-emitting areas 106 corresponding to the peripheries of the red sub-pixels 101 or the green sub-pixels 100, and the grid electrodes 103 around the sub-pixels are removed or prepared to form a structure of the routing openings, so that the transmittance of light in the area is effectively improved, and the touch recognition performance and the comprehensive performance of the touch panel are improved.
As shown in fig. 4, fig. 4 is a schematic structural diagram of another grid electrode provided in the embodiment of the present application. For the light-emitting area of the touch panel, the light-emitting area is formed by a plurality of light-emitting units. Wherein, the light-emitting unit corresponds to the pixel unit. As shown in fig. 4, a 3 × 3 array grid cell is taken as an example for explanation. The light emitting region is formed by arranging a plurality of pixel units 10 in an array, and the pixel units 10 are the pixel units described above in the embodiments of the present application. In the pixel unit, discontinuous grid electrodes are arranged in the periphery of at least one sub-pixel.
Specifically, the grid electrode 103 in the light emitting area is correspondingly disposed in the peripheral position of each light emitting sub-pixel, and finally, a complete touch electrode is formed. In the embodiment of the present invention, since the discontinuous grid electrode 15 is disposed in each pixel unit 10, the discontinuous grid electrodes 15 in a part of the area of the formed 3 × 3 light emitting array are periodically and regularly distributed.
Referring to fig. 4 in detail, since the discontinuous grid electrode 15 is arranged in a periodic arrangement, the discontinuous grid electrode 15 may be arranged at intervals of the same number of light emitting sub-pixels. In the 3 × 3 array, the discontinuous grid electrodes 15 are arranged at intervals of two sub-pixels, when the distance between one side of each sub-pixel and the grid electrode 103 corresponding to the side is a, and when the first discontinuous grid electrode 15 is arranged at the position corresponding to the ith light-emitting sub-pixel, the next adjacent discontinuous grid electrode 15 is arranged at the position corresponding to the (i + 2) th light-emitting sub-pixel, and the distance between the adjacent two discontinuous grid electrodes 15 and the non-light-emitting area is 6a, so that the distances from the ith light-emitting sub-pixel to the non-light-emitting area between the ith light-emitting sub-pixel are 6a, 12a, and 24a … …, which are all the discontinuous grid electrodes 15.
Further, as shown in fig. 5, fig. 5 is a schematic view of an arrangement structure of another touch electrode provided in the embodiment of the present application. In conjunction with the schematic layout of fig. 3. In fig. 5, the light emitting regions are in an array of 5 × 5, and the discontinuous grid electrodes 15 in the embodiment of the present application are also periodically arranged in the whole light emitting region. Specifically, when the discontinuous grid electrode 15 is provided in the peripheral non-emitting region of the i-th light-emitting sub-pixel, the discontinuous grid electrode 15 is also provided in the non-emitting region corresponding to the periphery of the i + 4-th light-emitting sub-pixel. Thus, a plurality of discontinuous grid electrodes 15 are arranged in the non-light-emitting area of the entire touch panel. When light passes through the area corresponding to the discontinuous grid electrode 15, due to the fact that no grid electrode 103 is shielded or only part of the grid electrode 103 is shielded, more light can pass through the grid electrode 103, and therefore the comprehensive performance of the touch panel is effectively improved.
Therefore, for the light emitting unit array of n × n, when the discontinuous grid electrodes 15 are provided, n-1 light emitting sub-pixels are spaced between two adjacent discontinuous grid electrodes 15, that is, when the discontinuous grid electrode 15 is located in the region corresponding to the i-th light emitting sub-pixel, the discontinuous grid electrode 15 structure is also provided in the region corresponding to the i + n-th light emitting sub-pixel. Therefore, the discontinuous grid electrodes 15 can be arranged in the light emitting area in an array mode, the stability of light is effectively guaranteed, and the comprehensive performance of the touch panel is improved.
Furthermore, the grid electrode 103 in the embodiment of the present application may also be set to be a rhombic grid cell or an arc grid cell structure, and meanwhile, the discontinuous grid electrode may also be set in an area corresponding to a sub-pixel of the same color or a different color, and the shape and structure of the specific grid cell may be further set according to the type and use of the actual product, thereby ensuring the improvement and enhancement of the overall performance of the product.
Further, an embodiment of the present application further provides a touch device, where the touch device may include a substrate, an array substrate and a touch panel, the array substrate is disposed on the substrate, and the touch panel is disposed on the array substrate. And when the touch panel is arranged, the touch electrode in the embodiment of the application is arranged on the touch panel. The touch electrode comprises a plurality of grid units, and the grid units are connected with one another to form a grid electrode structure in the embodiment of the application. Meanwhile, the partial grid electrodes are discontinuously arranged in the peripheral area of the corresponding sub-pixel. By arranging the grid electrodes and the discontinuous structure, the comprehensive performance of the touch device is effectively improved.
The touch display panel and the touch device provided by the embodiment of the invention are described in detail above, and the principle and the embodiment of the invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A touch display panel, comprising:
an array substrate;
the light-emitting device layer is arranged on the array substrate and comprises a plurality of light-emitting sub-pixels arranged in an array; and the number of the first and second groups,
the grid electrode is arranged on the light-emitting device layer, and the grid center of the grid electrode is arranged in a contraposition with the light-emitting sub-pixels;
wherein, the electrodes between part of the light-emitting sub-pixels and the adjacent light-emitting sub-pixels are discontinuously arranged.
2. The touch display panel of claim 1, wherein the light emitting sub-pixel comprises: a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, the first color sub-pixel, the second color sub-pixel, and the third color sub-pixel being arranged in an array along a first direction and a second direction, the first direction and the second direction forming an angle therebetween;
and a non-light-emitting region is formed between two adjacent color sub-pixels, and the grid electrode is discontinuous in the non-light-emitting region corresponding to the second color sub-pixel.
3. The touch display panel according to claim 2, wherein the grid electrode is provided with a trace opening in the non-light-emitting area corresponding to at least two sides of the second color sub-pixel.
4. The touch display panel according to claim 3, wherein the width of the trace openings of the second color sub-pixels in different non-light emitting areas is different.
5. The touch display panel of claim 3, wherein the width of the trace opening is greater than 5 um.
6. The touch display panel of claim 1, wherein the corresponding discontinuous grid electrodes in some of the light-emitting sub-pixels are arranged periodically.
7. The touch display panel of claim 6, wherein the discontinuous grid electrodes in some of the light-emitting sub-pixels are disposed at the same number of light-emitting sub-pixels per interval.
8. The touch display panel according to claim 7, wherein the adjacent two discontinuous grid electrodes are spaced by n-1 light-emitting sub-pixels, where n is an integer and is the number of rows or columns corresponding to the array light-emitting units of the touch display panel.
9. The touch display panel according to claim 1, wherein the grid electrode has a shape including a diamond grid or a circular arc grid.
10. A touch device, comprising:
a substrate;
a touch display panel disposed on a substrate;
the touch display panel comprises a grid electrode, the grid electrode comprises a plurality of grid units, and the grid units are discontinuous in a non-light-emitting area corresponding to a pixel unit of at least one touch device.
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| CN202110834049.7A CN113568526B (en) | 2021-07-23 | 2021-07-23 | Touch display panel and touch device |
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| CN114327162A (en) * | 2021-12-30 | 2022-04-12 | 京东方科技集团股份有限公司 | Touch panel and display device |
| WO2023240710A1 (en) * | 2022-06-15 | 2023-12-21 | 武汉华星光电半导体显示技术有限公司 | Touch display panel |
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| CN108054193A (en) * | 2018-02-09 | 2018-05-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display panels and flexible display apparatus |
| US20190369784A1 (en) * | 2018-05-31 | 2019-12-05 | Shanghai Tianma Micro-electronics Co., Ltd. | Touch display panel and touch display device |
| CN112987982A (en) * | 2019-12-18 | 2021-06-18 | 乐金显示有限公司 | Touch display device |
| CN110968220A (en) * | 2019-12-19 | 2020-04-07 | 武汉天马微电子有限公司 | Display panel and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114327162A (en) * | 2021-12-30 | 2022-04-12 | 京东方科技集团股份有限公司 | Touch panel and display device |
| CN114327162B (en) * | 2021-12-30 | 2024-04-19 | 京东方科技集团股份有限公司 | Touch panel and display device |
| WO2023240710A1 (en) * | 2022-06-15 | 2023-12-21 | 武汉华星光电半导体显示技术有限公司 | Touch display panel |
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| CN113568526B (en) | 2023-11-28 |
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