CN109766024A - A kind of touch panel and display device - Google Patents
A kind of touch panel and display device Download PDFInfo
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- CN109766024A CN109766024A CN201910028595.4A CN201910028595A CN109766024A CN 109766024 A CN109766024 A CN 109766024A CN 201910028595 A CN201910028595 A CN 201910028595A CN 109766024 A CN109766024 A CN 109766024A
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention discloses a kind of touch panel and display device, the touch panels, comprising: underlay substrate, and the multiple touch control electrodes being arranged in array on underlay substrate；At least partly touch control electrode has the multiple through-holes being arranged in array through film layer where touch control electrode.In above-mentioned touch panel provided in an embodiment of the present invention, since there is through-hole in touch control electrode, the parasitic capacitance of touch control electrode over the ground can be reduced, significantly so as to reduce the attenuation degree of touching signals in the case where not increasing the thickness of touch control electrode, improve touch accuracy, moreover, the material that uses of touch control electrode, reduction cost of manufacture can be reduced, additionally it is possible to improve the bend resistance ability of touch panel.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a touch panel and a display device.
Background
With the development of touch technology, the size of an Active-matrix organic light-emitting diode (AMOLED) touch screen is getting larger, for example, a 7-inch touch screen has become the mainstream of the market.
In a touch panel, Indium Tin Oxide (ITO) is generally used to manufacture a touch electrode, however, the sheet resistance of the touch electrode made of ITO is large, generally about 100 Ω, and the attenuation range of a driving signal provided by a driving chip to the touch electrode from a near end to a far end is as high as 60%, which causes poor sensitivity of touch sensing. However, the difficulty of directly reducing the ITO sheet resistance is large, and the thickness of the touch electrode needs to be increased, which increases the cost and is not favorable for the light and thin of the product.
Disclosure of Invention
Embodiments of the present invention provide a touch panel and a display device, so as to alleviate a problem of poor touch sensitivity caused by a large attenuation amplitude of a touch signal in the prior art.
In a first aspect, an embodiment of the present invention provides a touch panel, including: the touch control device comprises a substrate and a plurality of touch control electrodes arranged on the substrate in an array manner;
at least part of the touch electrodes are provided with a plurality of through holes which penetrate through the film layer where the touch electrodes are located and are arranged in an array.
In a possible implementation manner, in the touch panel provided by the embodiment of the present invention, in one of the touch electrodes having the through hole, a ratio of a total area of orthographic projections of the through hole on the substrate base to a total area of orthographic projections of outlines of the touch electrodes around a graphic on the substrate base is not less than 2/3.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, in one of the touch electrodes having the through hole, the touch electrode includes a plurality of through holes with a uniform shape.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, an orthographic projection of the through hole on the substrate is circular, square, or triangular.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, one of the touch electrodes having the through hole is divided into an inner area and an edge area surrounding the inner area;
the through holes are uniformly distributed in the inner area; or,
the through holes are uniformly distributed in the inner area and the edge area.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, in one of the touch electrodes having the through holes, a gap between adjacent through holes has a first width, an edge area of the touch electrode has a second width, and the first width is smaller than or equal to the second width.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, the plurality of touch electrodes arranged in an array form a touch driving electrode extending along a first direction and a touch sensing electrode extending along a second direction; the first direction and the second direction are mutually crossed;
only the touch driving electrode is provided with the through hole; or,
the touch driving electrode and the touch sensing electrode are provided with the through holes.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, each of the touch electrodes is a self-capacitance electrode;
each of the self-capacitance electrodes has the through hole.
In a possible implementation manner, in the touch panel provided in the embodiment of the present invention, each of the touch electrodes is made of a transparent conductive material.
In a second aspect, an embodiment of the present invention provides a display device, including: the touch panel is provided.
The invention has the following beneficial effects:
the touch panel and the display device provided by the embodiment of the invention comprise: the touch control device comprises a substrate and a plurality of touch control electrodes arranged on the substrate in an array manner; at least part of the touch electrodes are provided with a plurality of through holes which penetrate through the film layer where the touch electrodes are located and are arranged in an array. In the touch panel provided by the embodiment of the invention, the touch electrode is provided with the through hole, so that the parasitic capacitance of the touch electrode to the ground can be greatly reduced, the attenuation degree of a touch signal can be reduced under the condition of not increasing the thickness of the touch electrode, the touch precision is improved, the used materials of the touch electrode can be reduced, the manufacturing cost is reduced, and in addition, the bending resistance of the touch panel can be improved.
Drawings
Fig. 1 is a schematic structural diagram of the touch panel according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of FIG. 1 taken at the dashed line A;
FIG. 3 is a schematic diagram of one of the touch driving electrodes and one of the touch sensing electrodes in the structure shown in FIG. 1;
fig. 4 is a second schematic structural diagram of the touch panel according to the embodiment of the invention;
FIG. 5 is an enlarged partial view of FIG. 4 taken at the dashed line B;
fig. 6 is a third schematic structural diagram of the touch panel according to the embodiment of the invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6;
10, touch electrodes; 101. touch-control driving electrodes; 102. touch sensing electrodes; 103. a self-capacitance electrode; 20. a through hole; 30. a wire; 40. a touch detection chip; 50. and connecting the bridge.
Detailed Description
The embodiment of the invention provides a touch panel and a display device, aiming at the problem of poor touch sensitivity caused by large attenuation amplitude of a touch signal in the prior art.
The following describes in detail specific embodiments of a touch panel and a display device according to embodiments of the present invention with reference to the accompanying drawings. The sizes and shapes of the structures in the drawings are not to be considered true scale, but are merely illustrative of the present invention.
In a first aspect, an embodiment of the present invention provides a touch panel, as shown in fig. 1, including: a substrate (not shown), and a plurality of touch electrodes 10 arranged in an array on the substrate;
at least a part of the touch electrodes 10 are provided with a plurality of through holes 20 which penetrate through the film layer where the touch electrodes 10 are located and are arranged in an array.
In the touch panel provided by the embodiment of the invention, because the touch electrode is provided with the through hole, the parasitic capacitance of the touch electrode to the ground can be greatly reduced, so that the attenuation degree of a touch signal can be reduced under the condition of not increasing the thickness of the touch electrode, the touch precision is improved, the used materials of the touch electrode can be reduced, the manufacturing cost is reduced, and in addition, the bending resistance of the touch panel can be improved.
In a specific implementation, the through holes of the touch electrode may be arranged in an array, the number of rows and the number of columns of the through holes distributed in the array may be determined by combining the shape of the touch electrode, and the number of the through holes in each row (or each column) may be the same or different, which is not limited herein.
The principle of the embodiment of the present invention will be described in detail below with reference to fig. 1 to 3. Fig. 1 is a schematic structural diagram of a mutual capacitance type touch panel, fig. 2 is a schematic partial enlarged diagram of a dotted line frame a in fig. 1, and fig. 3 is a schematic diagram of one of the touch driving electrodes and one of the touch sensing electrodes in the structure shown in fig. 1.
As shown in fig. 1 and fig. 2, in the touch panel provided in the embodiment of the present invention, the plurality of touch electrodes 10 arranged in an array form a touch driving electrode 101 extending along a first direction (a direction indicated by an arrow Y in the figure), and a touch sensing electrode 102 extending along a second direction (a direction indicated by an arrow X in the figure); the first direction Y and the second direction X are mutually crossed;
the touch driving electrodes 101 and the touch sensing electrodes 102 have through holes.
As shown in fig. 1, each touch driving electrode 101 and each touch sensing electrode 102 are respectively connected to the touch detection chip 40 through a conducting wire 30, and referring to fig. 3, in the touch detection process, the touch detection chip 40 provides a touch driving (Tx) signal, which may be a square wave signal, to each touch driving electrode 101, and continuously detects a touch sensing (Rx) signal through the touch sensing electrode 102, so as to determine the touch position of the touch panel. In fig. 1, the first direction Y is illustrated as being perpendicular to the second direction X, and in a specific implementation, an included angle between the first direction Y and the second direction X may be other angles, which is not limited herein.
In specific implementation, referring to fig. 1 and fig. 2, the touch driving electrode 101 and the touch sensing electrode 102 may be located in the same film layer, a connecting bridge 50 is disposed at a position where the touch driving electrode 101 and the touch sensing electrode 102 intersect, the touch driving electrode 101 and the touch sensing electrode 102 are insulated from each other at the position where the connecting bridge 50 is located, the touch electrodes 10 in the touch driving electrode 101 are connected by a conducting wire located on the same layer, and the touch electrodes 10 in the touch sensing electrode 102 are connected by the connecting bridge, for convenience of explaining the positional relationship and the dimensional relationship between the touch driving electrode 101 and the touch sensing electrode 102, the embodiment of the present invention is implemented by using a structure where the touch driving electrode and the touch sensing electrode are located in the same film layer, and in specific implementation, the touch driving electrode and the touch sensing electrode may also be located in two film layers insulated from each other, and are not limited herein.
As shown in fig. 3, a parasitic capacitance Cp to ground exists between the touch driving electrode 101 and the ground, and the parasitic capacitance is represented by a capacitance formula:is determined, whereinrAnd ε0The dielectric constant is represented, s represents the relative area between two electrodes constituting the capacitor, in the embodiment of the present invention, s represents the effective area of the touch electrode, and d represents the distance between two electrodes constituting the capacitor. In the embodiment of the present invention, since the touch electrode has the through hole penetrating through the film layer where the touch electrode is located, as shown in fig. 1 to 3, taking the example that both the touch driving electrode 101 and the touch sensing electrode 102 have the through hole 20, the effective area s of the touch electrode is reduced, and the dielectric constant ∈ is reducedrAnd ε0And the distance d is not changed, so that the parasitic capacitance to ground Cp of the touch electrode is reduced, the larger the area occupied by the through hole 20 is, the smaller the effective area of the touch electrode is, and thus the degree of reduction of the parasitic capacitance to ground Cp is, and in particular implementation, the degree of reduction of the effective area of the touch electrode can be controlled by setting the size and the number of the through holes 20.
As shown in fig. 3, at the position of the connecting bridge 50 or at the position where the touch driving electrode 101 is adjacent to the touch sensing electrode 102, a coupling capacitance Cm also exists between the touch driving electrode 101 and the touch sensing electrode 102, and since both the touch driving electrode 101 and the touch sensing electrode 102 have through holes, that is, due to the reduction of the effective areas of the touch driving electrode 101 and the touch sensing electrode 102, the coupling capacitance Cm between the touch driving electrode 101 and the touch sensing electrode 102 is also reduced to a certain extent, so as to further reduce the attenuation degree of the touch signal.
In addition, referring to fig. 3, the impedance R of the touch driving electrode 101 (or the touch sensing electrode) is R1+ R2, where R1 is the resistance of the wire from the touch detection chip to the touch driving electrode 101, and thus R1 is not changed, and R2 is the resistance of the touch driving electrode channel, and for the touch electrode 10 formed by a diamond shape as shown in fig. 3, the calculation formula of the resistance of the touch electrode is:wherein,the square resistance of the touch electrode is represented, the square resistance of the touch electrode made of the same material is unchanged, h represents the effective length of a rhombic diagonal line, the effective length h in the direction of the rhombic diagonal line is reduced due to the fact that the touch electrode is provided with the through hole, a is the width of the connecting bridge, the connecting bridge is narrow, the through hole is generally not arranged at the connecting bridge, therefore, a keeps unchanged, k represents the effective slope of the rhombic shape, the effective slope k is relatively reduced due to the fact that the touch electrode is provided with the through hole, and the change degree of the impedance R cannot be large due to the fact that h and k are reduced to a certain degree, and the general situation is slightly increased.
In summary, since the touch electrode has the through hole, the effective area of the touch electrode is reduced, so that the parasitic capacitance Cp to ground of the touch electrode is reduced, the impedance R of the touch electrode is slightly increased, and the RC charging time is reduced as a whole, thereby reducing the attenuation degree of the touch signal (Tx or Rx), increasing the scanning frequency and the hit ratio of the touch driving signal (Tx), and improving the touch sensitivity. In addition, the attenuation degree of the touch signal can be reduced by arranging the through holes, so that the sheet resistance of the touch electrode does not need to be changed by increasing the thickness of the touch electrode, and the thickness of the touch electrode can be slightly reduced just by arranging the through holes to reduce the attenuation degree of the touch signal. In addition, through the arrangement of the through holes on the touch electrodes, the number of used materials of the touch electrodes can be reduced, and the production cost is reduced. In addition, for the flexible touch panel, the through holes are formed in the touch electrode, so that the bending resistance of the touch panel can be improved, and good technical support is provided for the folding screen and the flexible screen.
Specifically, the touch electrode may be a transparent conductive material, for example, a transparent conductive oxide such as indium tin oxide or indium zinc oxide, or other transparent conductive materials, which is not limited herein.
Further, in the touch panel provided by the embodiment of the invention, in one touch electrode having a through hole, a ratio of a total area of an orthographic projection of the through hole on the substrate to a total area of an outline of the touch electrode in a city-around pattern on the substrate is not less than 2/3. Or the touch electrode is excavated to at least 2/3 area, so that the signal attenuation degree of the touch electrode can be reduced to a great extent, and the sensitivity of touch detection is ensured to be higher. In addition, in order to ensure that the touch electrode has good performance, the area of the through hole cannot be infinitely increased, and the area proportion of the through hole needs to be determined according to actual conditions in practical application. Setting the area of the through holes on the touch electrodes to be at least 2/3 of the area of the original touch electrodes is a preferred embodiment of the present invention, and in specific implementation, the area may be set to other proportions, which is not limited herein.
In a specific implementation, in the touch panel provided in the embodiments of the present invention, in order to ensure stability of the touch electrode and avoid a touch blind area, in one touch electrode having a through hole, the touch electrode includes a plurality of through holes with a uniform shape. As shown in fig. 1, in the touch driving electrode 101 or the touch sensing electrode 102, each through hole 20 is a diamond shape, and the through holes are arranged in a consistent shape, which is more beneficial to uniformly arranging the through holes.
In practical applications, the shapes of the through holes may be set to be consistent with the shapes of the touch electrodes, for example, in fig. 1, each through hole 20 in the touch electrode 10 having a diamond shape is also a diamond shape, which is more beneficial to uniformly distributing the through holes 20 on the touch electrode 10, enabling the number of the through holes 20 to be larger, and being beneficial to the uniformity of the stress on each position on the touch electrode 10. It should be noted that, at the edge of the touch panel, since the touch electrode is not complete due to the influence of the edge, through holes with other shapes may appear, and the actual distribution and shape arrangement of the through holes are not affected.
In practical applications, in the touch panel provided in the embodiments of the present invention, an orthographic projection of the through hole on the substrate is circular, square, or triangular. The shape of the through holes may be selected according to the actual shape of the touch electrode, and the shapes of the through holes on the touch electrode may be the same, for example, each through hole 20 in fig. 6 is square, and in addition, the touch electrode may also have through holes with different shapes, for example, a square through hole and a triangular through hole in fig. 1, and in addition, the through holes may also be circular or other shapes, which is not limited herein.
Specifically, in the touch panel provided by the embodiment of the present invention, as shown in fig. 2, one touch electrode 10 having a through hole 20 is divided into an inner region (e.g., a region surrounded by a dashed line frame B in fig. 2) and an edge region surrounding the inner region (e.g., a region between the dashed line frame a and the dashed line frame B in fig. 2);
the through holes 20 may be uniformly distributed in the inner region, for example, when there are many through holes on the touch electrode, the through holes may be uniformly distributed on the touch electrode as much as possible, so that the stress on each position on the touch electrode is uniform, and the touch effect of the touch electrode is ensured.
Alternatively, the plurality of through holes are uniformly distributed in the inner region and the edge region. For example, when the number of the through holes on the touch electrode is small, the through holes can be concentrated in the inner area of the touch electrode, so that the stress uniformity of each touch electrode is ensured, and the touch effect of the touch electrode is not affected.
Further, in order to ensure the touch performance of the touch electrode, referring to fig. 2, in the touch panel provided in the embodiment of the present invention, in one touch electrode 10 having through holes 20, a gap between adjacent through holes has a first width L1, an edge area of the touch electrode has a second width L2, and the first width L1 is less than or equal to the second width L2.
When the through holes in the touch electrode are uniformly distributed, the first width can be set to be equal to the second width, so that the touch electrode is more uniformly stressed when being touched, and the touch performance of the touch electrode is ensured. When the through holes in the touch electrode are intensively distributed in the inner area of the touch electrode, the first width can be set to be smaller than the second width, that is, the width of the edge area of the touch electrode can be larger, so that the touch electrode cannot be broken due to bending or pressure, and the stability of the touch electrode is ensured.
In a specific implementation, in the touch panel provided in the embodiment of the present invention, the touch electrode may have a plurality of implementation manners.
Specifically, the touch panel may be a mutual capacitance type touch panel, as shown in fig. 1 and 4, a plurality of touch electrodes 10 arranged in an array form a touch driving electrode 101 extending along a first direction (a direction indicated by an arrow Y in the figure), and a touch sensing electrode 102 extending along a second direction (a direction indicated by an arrow X in the figure); the first direction Y and the second direction X are mutually crossed;
only the touch driving electrode 101 has the through hole 20, as shown in fig. 4; or,
the touch driving electrodes 101 and the touch sensing electrodes 102 have through holes 20, as shown in fig. 1.
Fig. 5 is a schematic diagram of a partial enlargement at a dashed line frame B in fig. 4, as shown in fig. 4 and fig. 5, since signals influencing the touch detection result mainly include the touch driving signal (Tx) provided by the touch detection chip 40 to the touch driving electrode 101 and the touch sensing signal (Rx) returned from the touch sensing electrode 102 to the touch detection chip 40, where the touch driving signal is attenuated more, a better effect can be achieved only by providing a through hole on the touch driving electrode 101, so that the manufacturing process can be simplified. In order to further weaken the attenuation of the touch signal, through holes may be formed in both the touch driving electrode and the touch sensing electrode.
Fig. 7 is a partially enlarged schematic view of fig. 6, and as shown in fig. 6 and 7, the touch panel provided in the embodiment of the present invention may also be a self-capacitance type touch panel, specifically, each touch electrode is a self-capacitance electrode 103, and each capacitance electrode 103 has a through hole 20. In fig. 6, for clarity, the structure of the self-capacitance electrode 103 is illustrated, and the touch detection chip and the wires connecting the touch detection chip and the self-capacitance electrode 103 are omitted in the drawing, in a specific implementation, each capacitance electrode 103 may be connected to the touch detection chip through one wire, or may adopt other connection manners, which is not limited herein. The same principle as that of the touch panel using mutual capacitance electrodes is adopted, and by providing the through hole 20 on the self-capacitance electrode 103, the parasitic capacitance to ground of the self-capacitance electrode 103 can also be reduced, so that signal attenuation of the self-capacitance electrode 103 is reduced, and the touch accuracy is improved.
In addition, it is an implementation manner of the embodiment of the present invention that all the touch electrodes are disposed on the same film layer, and in a specific implementation, the touch electrodes may also be divided into electrodes disposed on different film layers, which is not limited herein. It should be noted that, in the drawings of the embodiments of the present invention, only a limited number of touch electrodes and through holes are illustrated, and the number and the shape of the touch electrodes, and the number and the shape of the through holes are not limited.
In a second aspect, based on the same inventive concept, an embodiment of the present invention provides a display device, including the touch panel, where the display device can be applied to any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, and a navigator. Since the principle of the display device for solving the problems is similar to that of the touch panel, the implementation of the display device can be referred to the implementation of the touch panel, and repeated descriptions are omitted.
In a specific implementation, the display device provided in the embodiment of the present invention may further include: a display panel; the touch panel has at least the following two setting modes:
the first method is as follows: the touch panel is located on one side of the light emitting surface of the display panel, that is, the touch panel is externally hung, and in practical application, the touch panel can be directly attached to the surface of one side of the light emitting surface of the display panel, so that the display device can realize a touch function. For example, the touch panel may be attached to a surface of an organic electroluminescent display panel to implement a touch function, or may be applied to other devices, which is not limited herein.
The second method comprises the following steps: each touch electrode in the touch panel is positioned in the display panel, and the touch panel and the display panel share the substrate. For example, a touch electrode layer may be disposed in the liquid crystal display panel, and a through hole may be disposed on the touch electrode of the touch electrode layer, and the liquid crystal display panel may also be applied to other devices, which is not limited herein.
In the touch panel provided by the embodiment of the invention, the through holes are formed in the touch electrodes, so that the parasitic capacitance of the touch electrodes to the ground can be greatly reduced, the attenuation degree of touch signals can be reduced under the condition that the thickness of the touch electrodes is not increased, the touch precision is improved, the used materials of the touch electrodes can be reduced, the manufacturing cost is reduced, and in addition, the bending resistance of the touch panel can be improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A touch panel, comprising: the touch control device comprises a substrate and a plurality of touch control electrodes arranged on the substrate in an array manner;
at least part of the touch electrodes are provided with a plurality of through holes which penetrate through the film layer where the touch electrodes are located and are arranged in an array.
2. The touch panel according to claim 1, wherein in one of the touch electrodes having the through hole, a ratio of a total area of an orthographic projection of the through hole on the base substrate to a total area of an outline of the touch electrode enclosing a pattern on the base substrate is not less than 2/3.
3. The touch panel according to claim 1, wherein in the one touch electrode having the through hole, the touch electrode includes a plurality of through holes having a uniform shape.
4. The touch panel of claim 3, wherein an orthographic projection of the through hole on the substrate base plate is circular, square or triangular.
5. The touch panel according to claim 3, wherein one of the touch electrodes having the through hole is divided into an inner area and an edge area surrounding the inner area;
the through holes are uniformly distributed in the inner area; or,
the through holes are uniformly distributed in the inner area and the edge area.
6. The touch panel according to claim 5, wherein in one of the touch electrodes having the through holes, a gap between adjacent through holes has a first width, and an edge area of the touch electrode has a second width, and the first width is smaller than or equal to the second width.
7. The touch panel according to any one of claims 1-6, wherein the plurality of touch electrodes arranged in an array form touch driving electrodes extending along a first direction and touch sensing electrodes extending along a second direction; the first direction and the second direction are mutually crossed;
only the touch driving electrode is provided with the through hole; or,
the touch driving electrode and the touch sensing electrode are provided with the through holes.
8. The touch panel according to any one of claims 1 to 6, wherein each of the touch electrodes is a self-capacitance electrode;
each of the self-capacitance electrodes has the through hole.
9. The touch panel according to any one of claims 1 to 6, wherein each of the touch electrodes is a transparent conductive material.
10. A display device, comprising: the touch panel according to any one of claims 1 to 9.
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| CN201910028595.4A CN109766024A (en) | 2019-01-11 | 2019-01-11 | A kind of touch panel and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568963A (en) * | 2019-09-10 | 2019-12-13 | 京东方科技集团股份有限公司 | Display panel, display substrate and display device |
| CN111596804A (en) * | 2020-07-24 | 2020-08-28 | 武汉华星光电半导体显示技术有限公司 | Touch control display device |
| CN111966239A (en) * | 2020-08-14 | 2020-11-20 | 京东方科技集团股份有限公司 | Touch substrate and touch display panel |
| CN112328115A (en) * | 2020-11-13 | 2021-02-05 | 昆山国显光电有限公司 | Touch panel and touch display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201409313A (en) * | 2012-08-31 | 2014-03-01 | Apex Material Technology Corp | Position identifying device sensing electric field change, method for reducing EMI of touch device, touch device for combining display panel and manufacturing process thereof |
| CN106095186A (en) * | 2016-06-24 | 2016-11-09 | 京东方科技集团股份有限公司 | Touch-control display panel and preparation method thereof, display device |
| CN106783909A (en) * | 2015-11-19 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of touch-screen, its preparation method and display device |
| CN206489537U (en) * | 2016-11-09 | 2017-09-12 | 深圳市德名利电子有限公司 | A kind of touch panel sensor and touch-screen of bilayer conductive layer |
| JP2018109768A (en) * | 2016-12-30 | 2018-07-12 | エルジー ディスプレイ カンパニー リミテッド | In-cell touch organic light emitting display |
-
2019
- 2019-01-11 CN CN201910028595.4A patent/CN109766024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201409313A (en) * | 2012-08-31 | 2014-03-01 | Apex Material Technology Corp | Position identifying device sensing electric field change, method for reducing EMI of touch device, touch device for combining display panel and manufacturing process thereof |
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| CN110568963A (en) * | 2019-09-10 | 2019-12-13 | 京东方科技集团股份有限公司 | Display panel, display substrate and display device |
| CN110568963B (en) * | 2019-09-10 | 2023-10-24 | 京东方科技集团股份有限公司 | Display panel, display substrate and display device |
| CN111596804A (en) * | 2020-07-24 | 2020-08-28 | 武汉华星光电半导体显示技术有限公司 | Touch control display device |
| WO2022016703A1 (en) * | 2020-07-24 | 2022-01-27 | 武汉华星光电半导体显示技术有限公司 | Touch display device |
| US11460968B2 (en) | 2020-07-24 | 2022-10-04 | Wuhan China Star Optoelectronics Semiconductor Display Technology | Touch control display device |
| CN111966239A (en) * | 2020-08-14 | 2020-11-20 | 京东方科技集团股份有限公司 | Touch substrate and touch display panel |
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| WO2022100207A1 (en) * | 2020-11-13 | 2022-05-19 | 昆山国显光电有限公司 | Touch panel and touch display device |
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Application publication date: 20190517 |