CN213182707U - Touch substrate and touch display device - Google Patents
Touch substrate and touch display device Download PDFInfo
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- CN213182707U CN213182707U CN202022676250.0U CN202022676250U CN213182707U CN 213182707 U CN213182707 U CN 213182707U CN 202022676250 U CN202022676250 U CN 202022676250U CN 213182707 U CN213182707 U CN 213182707U
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Abstract
The application provides a touch substrate and a touch display device, the touch substrate comprises a substrate base plate and a touch electrode, wherein a first film layer, a second film layer and a third film layer are sequentially stacked on one side of the substrate base plate, and the refractive index of the second film layer is smaller than that of the first film layer and that of the third film layer. According to the technical scheme, the high-refractive-index film layer and the low-refractive-index film layer are alternately stacked in the touch substrate, so that the touch substrate has a mirror reflection function.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a touch-control base plate and touch-control display device.
Background
With the development of touch technology, a touch panel is widely applied to various digital information display systems as a core component of a human-computer interaction system, so as to meet the requirements of people on information interaction and user experience. In addition, the mirror display products on the market at present cannot meet the requirements of people on touch control and human-computer interaction in the era of intelligent internet of things.
SUMMERY OF THE UTILITY MODEL
The utility model provides a touch-control base plate and touch-control display device to make the touch-control base plate possess the specular reflection function.
In order to solve the above problems, the present invention discloses a touch substrate, which includes a substrate and a touch electrode,
the substrate comprises a substrate base plate and a substrate base plate, wherein a first film layer, a second film layer and a third film layer are stacked on one side of the substrate base plate, the first film layer is arranged close to the substrate base plate, the second film layer is arranged between the first film layer and the third film layer, and the refractive index of the second film layer is smaller than that of the first film layer and that of the third film layer.
In an optional implementation manner, the first film layer, the second film layer, and the third film layer are all made of an insulating material, and the touch electrode includes: the touch screen comprises a first touch electrode arranged between the first film layer and the second film layer, and a second touch electrode arranged between the second film layer and the third film layer.
In an optional implementation manner, the touch electrodes include a first touch electrode and a second touch electrode disposed on a side of the substrate facing away from the first film layer, the second touch electrode is disposed on a side of the first touch electrode facing away from the substrate, and the touch substrate further includes:
a first insulating layer disposed between the substrate base plate and the first touch electrode;
a second insulating layer disposed between the first touch electrode and the second touch electrode;
and the third insulating layer is arranged on one side of the second touch electrode, which is far away from the substrate base plate.
In an optional implementation manner, the touch substrate further includes: the substrate comprises a substrate base plate, a fourth film layer, a fifth film layer and a sixth film layer, wherein the substrate base plate is arranged on one side, away from the first film layer, of the substrate base plate in a stacked mode, the fourth film layer is arranged close to the substrate base plate, the fifth film layer is arranged between the fourth film layer and the sixth film layer, and the refractive index of the fifth film layer is smaller than that of the fourth film layer and that of the sixth film layer.
In an optional implementation manner, the fourth film layer, the fifth film layer, and the sixth film layer are all made of an insulating material, and the touch electrode includes: the touch screen comprises a first touch electrode arranged between the fourth film layer and the fifth film layer, and a second touch electrode arranged between the fifth film layer and the sixth film layer.
In an alternative implementation, the material of the first and third film layers comprises at least one of: titanium dioxide and niobium pentoxide, the material of the second film layer including at least one of: silicon dioxide and magnesium fluoride.
In order to solve the problem, the utility model also discloses a touch-control display device, including display panel and arbitrary embodiment the touch-control base plate, the touch-control base plate is located display panel's light-emitting side.
In an alternative implementation, the display panel is located on a side of the substrate base plate facing away from the first film layer.
In an optional implementation manner, the touch substrate and the display panel are attached by an optical adhesive.
Compared with the prior art, the utility model discloses a following advantage:
the technical scheme of the application provides a touch substrate and touch display device, and the touch substrate includes substrate base plate and touch electrode, and wherein, one side of substrate base plate stacks gradually and is provided with first rete, second rete and third rete, and the refracting index of second rete is less than the refracting index of first rete and third rete. According to the technical scheme, the high-refractive-index film layer and the low-refractive-index film layer are alternately stacked in the touch substrate, so that the touch substrate has a mirror reflection function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic cross-sectional structure diagram of a first touch substrate provided in this embodiment;
fig. 2 is a schematic cross-sectional structure diagram of a second touch substrate provided in this embodiment;
fig. 3 is a schematic cross-sectional view illustrating a third touch substrate provided in this embodiment;
fig. 4 is a schematic cross-sectional view illustrating a first touch display device provided in this embodiment;
fig. 5 is a schematic cross-sectional view illustrating a second touch display device provided in this embodiment;
fig. 6 is a schematic cross-sectional view illustrating a third touch display device provided in this embodiment;
fig. 7 is a flowchart illustrating steps of a method for manufacturing a touch substrate according to the embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
An embodiment of the present application provides a touch substrate, referring to fig. 1 to 3, the touch substrate includes a substrate 11 and a touch electrode 12, wherein a first film layer 13, a second film layer 14 and a third film layer 15 are stacked on one side of the substrate 11, the first film layer 13 is disposed near the substrate 11, the second film layer 14 is disposed between the first film layer 13 and the third film layer 15, and a refractive index of the second film layer 14 is smaller than refractive indices of the first film layer 13 and the third film layer 15.
The substrate 11 may be made of glass or the like, and serves as a substrate and a protective layer for the first film layer 13, the second film layer 14, and the third film layer 15.
The three-layer film system having high, low, and high refractive indices, which is composed of the first film layer 13, the second film layer 14, and the third film layer 15, is a mirror function realization layer, and the materials of the three-layer film system have different refractive indices and thicknesses. The first film layer 13 and the third film layer 15 are made of high refractive index materials, and at least one of titanium dioxide, niobium pentoxide, and the like can be used. The second film layer 14 is a low refractive index material, and at least one of silicon dioxide, magnesium fluoride, and the like can be used. It should be noted that the materials of the first film layer 13 and the third film layer 15 may be the same or different.
The principle of realizing the specular reflection of the three-layer film system with high refractive index, low refractive index and high refractive index formed by the first film layer 13, the second film layer 14 and the third film layer 15 is as follows: based on the thin film interference theory, when light enters another medium from one medium, the light is refracted and reflected, when the optical path difference among a plurality of reflected light beams meets a certain condition, the light interference phenomenon occurs, and when the optical path difference among the reflected light beams is integral multiple of 2 pi, the interference is enhanced, and the reflected light is increased.
In a specific implementation, the specular reflectivity of the touch substrate can be adjusted by adjusting the thicknesses of the first film layer 13, the second film layer 14 and the third film layer 15. In practical applications, the touch substrate may include a plurality of the three-layer film systems to improve the specular reflectivity of the touch substrate. By adjusting the material and thickness of the film layers in the three-layer film system, the number of the three-layer film system, and the like, the touch substrate structure provided by the embodiment can realize a reflectivity of 30-70%.
Taking the materials of the first film layer 13 and the third film layer 15 as titanium dioxide, and the material of the second film layer 14 as silicon dioxide as an example, when the refractive index of titanium dioxide is about 2.3, the refractive index of silicon dioxide is about 1.47, and the thicknesses of the first film layer 13, the second film layer 14, and the third film layer 15 are 113nm, 97nm, and 113nm, respectively, a good specular reflection effect can be obtained.
When the first film layer 13 and the third film layer 15 are made of niobium pentoxide and the second film layer 14 is made of silicon dioxide, the required specular reflectivity can be obtained by adjusting the thicknesses of the first film layer 13, the second film layer 14 and the third film layer 15.
According to the touch substrate provided by the embodiment, the high-refractive-index film layers and the low-refractive-index film layers are alternately stacked, so that the touch substrate has a mirror reflection function. Through the laminating of the touch substrate and the display panel that provide with this embodiment, can realize touch-control, specular reflection and demonstration function's integration, solve current display product function singleness, problem that interactive ability is weak can satisfy people to information interaction, user experience's demand. In addition, the touch substrate provided by the embodiment has a simple preparation process and low cost, and is extremely competitive in markets such as markets and smart homes.
In practical applications, the structure of the touch electrode 12 has a plurality of implementation manners.
In a first implementation manner, referring to fig. 1, the first film layer 13, the second film layer 14, and the third film layer 15 are all made of an insulating material, and the touch electrode 12 may include: a first touch electrode 121 disposed between the first film layer 13 and the second film layer 14, and a second touch electrode 122 disposed between the second film layer 14 and the third film layer 15.
The first touch electrode 121 and the second touch electrode 122 intersect to form a metal grid. The first touch electrode 121 is a driving electrode, and the second touch electrode 122 is a sensing electrode; alternatively, the first touch electrode 121 is a sensing electrode, and the second touch electrode 122 is a driving electrode.
In this implementation, the second film layer 14 is equivalent to an insulating layer between the first touch electrode 121 and the second touch electrode 122, and the first film layer 13 and the third film layer 15 are equivalent to protective layers of the first touch electrode 121 and the second touch electrode 122.
In this implementation, the first touch electrode 121 and the second touch electrode 122 are disposed between the first film layer 13, the second film layer 14, and the third film layer 15, so that the manufacturing process is simple. In order to avoid the interference of the film layers to the touch function, the first film layer 13, the second film layer 14 and the third film layer 15 are all made of insulating materials.
In a second implementation manner, referring to fig. 2, the touch electrode 12 includes a first touch electrode 121 and a second touch electrode 122 disposed on a side of the substrate 11 away from the first film layer 13, the second touch electrode 122 is disposed on a side of the first touch electrode 121 away from the substrate 11, and the touch substrate may further include: a first insulating layer 21 disposed between the substrate base 11 and the first touch electrode 121; a second insulating layer 22 disposed between the first touch electrode 121 and the second touch electrode 122; and a third insulating layer 23 disposed on a side of the second touch electrode 122 facing away from the substrate base 11.
The first touch electrode 121 and the second touch electrode 122 intersect to form a metal grid on a side of the substrate 11 away from the first film layer 13. The first touch electrode 121 is a driving electrode, and the second touch electrode 122 is a sensing electrode; alternatively, the first touch electrode 121 is a sensing electrode, and the second touch electrode 122 is a driving electrode.
In this implementation, the first insulating layer 21 and the third insulating layer 23 are equivalent to the protective layers of the first touch electrode 121 and the second touch electrode 122.
In this implementation manner, since the reflection function implementation layer (the first film layer 13, the second film layer 14, and the third film layer 15) and the touch electrode 12 are respectively disposed on two sides of the substrate 11, interference of the touch electrode 12 on the mirror reflection function can be avoided, and the mirror reflection effect of the touch substrate is improved.
In a third implementation manner, referring to fig. 3, the touch substrate may further include: the fourth film layer 31, the fifth film layer 32 and the sixth film layer 33 are stacked and arranged on one side, departing from the first film layer 13, of the substrate base plate 11, the fourth film layer 31 is arranged close to the substrate base plate 11, the fifth film layer 32 is arranged between the fourth film layer 31 and the sixth film layer 33, and the refractive index of the fifth film layer 32 is smaller than that of the fourth film layer 31 and that of the sixth film layer 33.
In a specific implementation, the fourth film layer 31, the fifth film layer 32, and the sixth film layer 33 are all made of an insulating material, and the touch electrode 12 may include: a first touch electrode 121 disposed between the fourth film layer 31 and the fifth film layer 32, and a second touch electrode 122 disposed between the fifth film layer 32 and the sixth film layer 33.
The first touch electrode 121 and the second touch electrode 122 intersect to form a metal grid on a side of the substrate 11 away from the first film layer 13. The first touch electrode 121 is a driving electrode, and the second touch electrode 122 is a sensing electrode; alternatively, the first touch electrode 121 is a sensing electrode, and the second touch electrode 122 is a driving electrode.
In this implementation, the fifth film layer 32 is equivalent to the insulating layer of the first touch electrode 121 and the second touch electrode 122, and the fourth film layer 31 and the sixth film layer 33 are equivalent to the protective layer of the first touch electrode 121 and the second touch electrode 122. In order to avoid the interference of the film layers to the touch function, the fourth film layer 31, the fifth film layer 32 and the sixth film layer 33 are all made of insulating materials.
In this implementation, reflection function implementation layers are respectively disposed on two sides of the substrate base plate 11, namely, the reflection function implementation layer formed by the first film layer 13, the second film layer 14, and the third film layer 15, and the reflection function implementation layer formed by the fourth film layer 31, the fifth film layer 32, and the sixth film layer 33, so that the specular reflectivity of the touch base plate can be improved, the reflectivity difference between different wavelengths can be reduced, and the reflection color cast can be prevented.
In a specific implementation, the material of the fourth film layer 31 and the sixth film layer 33 may include at least one of: titanium dioxide and niobium pentoxide, the material of the fifth film layer 32 may include at least one of: silicon dioxide and magnesium fluoride.
It should be noted that the materials of the reflection function realization layers disposed on both sides of the substrate 11 may be the same or different, for example, the materials of the first film layer 13, the third film layer 15, the fourth film layer 31, and the sixth film layer 33 are all titanium dioxide, and the materials of the second film layer 14 and the fifth film layer 32 are all silicon dioxide; or the first film layer 13 and the third film layer 15 are made of niobium pentoxide, the second film layer 14 is made of silicon dioxide, the fourth film layer 31 and the sixth film layer 33 are made of titanium dioxide, and the fifth film layer 32 is made of magnesium fluoride; and so on.
Another embodiment of the present application further provides a touch display device, referring to fig. 4 to 6, including a display panel 41 and the touch substrate 42 according to any embodiment, where the touch substrate 42 is located on the light emitting side of the display panel 41. The touch substrate 42 and the display panel 41 can be bonded by an optical adhesive 43.
It should be noted that, the touch display device in this embodiment may be: any product or component with a 2D or 3D display function, such as a display panel, electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator and the like.
The optical adhesive 43 is a special adhesive for bonding a transparent optical element, and has the characteristics of being colorless and transparent, having a light transmittance of more than 90%, having good bonding strength, and the like. The optical adhesive 43 may include silicone, acrylic, unsaturated polyester, polyurethane, epoxy, and other adhesives, and may further include some treatment agents to improve its optical properties or reduce cure shrinkage.
In a specific implementation, the display panel 41 may be located on a side of the third film layer 15 facing away from the substrate base plate 11, and may also be located on a side of the substrate base plate 11 facing away from the first film layer 13. As shown in fig. 4 to 6, when the touch substrate 42 is attached to the display panel 41 through the optical adhesive 43, the display panel 41 is disposed on a side of the substrate 11 away from the first film layer 13, so as to prevent the optical adhesive 43 from interfering with the mirror reflection effect of the first film layer 13, the second film layer 14, and the third film layer 15.
Specifically, as shown in fig. 4, when the first touch electrode 121 of the touch substrate 42 is disposed between the first film layer 13 and the second film layer 14, and the second touch electrode 122 is disposed between the second film layer 14 and the third film layer 15, the display panel 41 is attached to a side of the substrate 11 away from the first film layer 13 through the optical adhesive 43.
As shown in fig. 5, when the first touch electrode 121 of the touch substrate 42 is disposed between the first insulating layer 21 and the second insulating layer 22, and the second touch electrode 122 is disposed between the second insulating layer 22 and the third insulating layer 23, the display panel 41 is attached to a side of the third insulating layer 23 away from the substrate 11 by the optical adhesive 43.
As shown in fig. 6, when the first touch electrode 121 of the touch substrate 42 is disposed between the fourth film 31 and the fifth film 32, and the second touch electrode 122 is disposed between the fifth film 32 and the sixth film 33, the display panel 41 is attached to a side of the sixth film 33 away from the substrate 11 through the optical adhesive 43.
In the embodiment, the touch substrate is attached to the display panel through the Optical Clear Adhesive (OCA), and the obtained touch display device can simultaneously realize the functions of mirror surface, touch and display, so that the problems of single function and weak interaction capability of the existing display product are solved, and the requirements of people on information interaction and user experience are met.
Another embodiment of the present application further provides a method for manufacturing a display substrate, where the touch substrate includes a substrate and a touch electrode, and referring to fig. 7, the method includes:
step 701: a base substrate is provided.
Step 702: a first film layer, a second film layer and a third film layer are sequentially formed on one side of the substrate, wherein the refractive index of the second film layer is smaller than that of the first film layer and that of the third film layer.
In a specific implementation, a first film layer can be formed on one side of a substrate by adopting a direct-current magnetron sputtering process; forming a second film layer on one side of the first film layer, which is far away from the substrate base plate, by adopting a radio frequency magnetron sputtering process; and forming a third film layer on one side of the second film layer, which is far away from the substrate, by adopting a direct-current magnetron sputtering process.
For example, when the materials of the first film layer 13 and the third film layer 15 are both titanium dioxide, the first film layer 13 and the third film layer 15 may be formed by a direct current magnetron sputtering process; when the material of the second film layer 14 is silicon dioxide, a radio frequency magnetron sputtering process may be used to form the second film layer.
It should be noted that the preparation of the first film layer, the second film layer and the third film layer is not limited to the above processes, for example, the first film layer, the second film layer and the third film layer may also be prepared by vapor deposition or other processes, and the specific preparation process of the film layer may be determined according to the actual situation of the film layer material or the like, which is not limited in this embodiment.
In specific implementations, there are various implementations of fabricating the touch electrode.
In a first implementation manner, the first film layer, the second film layer, and the third film layer are all made of insulating materials, the touch electrodes include a first touch electrode and a second touch electrode, and step 702 may specifically include the following steps: a first film layer, a first touch electrode, a second film layer, a second touch electrode and a third film layer are sequentially formed on one side of a substrate.
The step may specifically include: forming a first film layer on one side of a substrate base plate; forming a first touch electrode on one side of the first film layer, which is far away from the substrate; forming a second film layer on one side of the first touch electrode, which is far away from the substrate; forming a second touch electrode on one side of the second film layer, which is far away from the substrate; and forming a third film layer on one side of the second touch electrode, which is deviated from the substrate base plate.
In a second implementation manner, the touch electrodes include a first touch electrode and a second touch electrode, and the preparation method provided in this embodiment may further include the following steps: and sequentially forming a first insulating layer, a first touch electrode, a second insulating layer, a second touch electrode and a third insulating layer on one side of the substrate base plate, which is far away from the first film layer. It should be noted that, this step may be performed before or after step 702, and the specific execution sequence may be adjusted according to actual needs, and this embodiment is not limited in particular.
The step may specifically include: forming a first insulating layer on one side of the substrate, which is far away from the first film layer; forming a first touch electrode on one side of the first insulating layer, which is far away from the substrate base plate; forming a second insulating layer on one side of the first touch electrode, which is far away from the substrate base plate; forming a second touch electrode on one side of the second insulating layer, which is far away from the substrate; and forming a third insulating layer on one side of the second touch electrode, which is far away from the substrate base plate.
In a third implementation manner, the preparation method provided in this embodiment may further include the following steps: and a fourth film layer, a fifth film layer and a sixth film layer are sequentially formed on one side of the substrate, which deviates from the first film layer, wherein the refractive index of the fifth film layer is smaller than that of the fourth film layer and that of the sixth film layer. It should be noted that, this step may be performed before or after step 702, and the specific execution sequence may be adjusted according to actual needs, and this embodiment is not limited in particular.
In a specific implementation, the fourth film layer, the fifth film layer and the sixth film layer are all made of insulating materials, the touch electrodes include a first touch electrode and a second touch electrode, and the step may include: and a fourth film layer, a first touch electrode, a fifth film layer, a second touch electrode and a sixth film layer are sequentially formed on one side of the substrate base plate, which is far away from the first film layer.
The step may specifically include: forming a fourth film layer on one side of the substrate, which is far away from the first film layer; forming a first touch electrode on one side of the fourth film layer, which is far away from the substrate base plate; forming a fifth film layer on one side of the first touch electrode, which is far away from the substrate base plate; forming a second touch electrode on one side of the fifth film layer, which is far away from the substrate base plate; and forming a sixth film layer on one side of the second touch electrode, which is deviated from the substrate base plate.
The touch substrate according to any of the above embodiments can be prepared by the preparation method provided by the embodiment of the present application, and the specific structure of the prepared touch substrate can refer to the description of the foregoing embodiments.
The embodiment of the application provides a touch substrate and a touch display device, wherein the touch substrate comprises a substrate base plate and a touch electrode, a first film layer, a second film layer and a third film layer are sequentially stacked on one side of the substrate base plate, and the refractive index of the second film layer is smaller than that of the first film layer and that of the third film layer. According to the technical scheme, the high-refractive-index film layer and the low-refractive-index film layer are alternately stacked in the touch substrate, so that the touch substrate has a mirror reflection function.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The touch substrate and the touch display device provided by the present invention are introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. A touch substrate is characterized in that the touch substrate comprises a substrate and a touch electrode,
the substrate comprises a substrate base plate and a substrate base plate, wherein a first film layer, a second film layer and a third film layer are stacked on one side of the substrate base plate, the first film layer is arranged close to the substrate base plate, the second film layer is arranged between the first film layer and the third film layer, and the refractive index of the second film layer is smaller than that of the first film layer and that of the third film layer.
2. The touch substrate of claim 1, wherein the first film layer, the second film layer, and the third film layer are all insulating materials, and the touch electrode comprises: the touch screen comprises a first touch electrode arranged between the first film layer and the second film layer, and a second touch electrode arranged between the second film layer and the third film layer.
3. The touch substrate of claim 1, wherein the touch electrodes comprise a first touch electrode and a second touch electrode disposed on a side of the substrate facing away from the first film layer, the second touch electrode is disposed on a side of the first touch electrode facing away from the substrate, and the touch substrate further comprises:
a first insulating layer disposed between the substrate base plate and the first touch electrode;
a second insulating layer disposed between the first touch electrode and the second touch electrode;
and the third insulating layer is arranged on one side of the second touch electrode, which is far away from the substrate base plate.
4. The touch substrate of claim 1, further comprising: the substrate comprises a substrate base plate, a fourth film layer, a fifth film layer and a sixth film layer, wherein the substrate base plate is arranged on one side, away from the first film layer, of the substrate base plate in a stacked mode, the fourth film layer is arranged close to the substrate base plate, the fifth film layer is arranged between the fourth film layer and the sixth film layer, and the refractive index of the fifth film layer is smaller than that of the fourth film layer and that of the sixth film layer.
5. The touch substrate of claim 4, wherein the fourth film layer, the fifth film layer and the sixth film layer are all made of an insulating material, and the touch electrode comprises: the touch screen comprises a first touch electrode arranged between the fourth film layer and the fifth film layer, and a second touch electrode arranged between the fifth film layer and the sixth film layer.
6. The touch substrate of any of claims 1-5, wherein the material of the first and third film layers comprises at least one of: titanium dioxide and niobium pentoxide, the material of the second film layer including at least one of: silicon dioxide and magnesium fluoride.
7. A touch display device, comprising a display panel and the touch substrate according to any one of claims 1 to 6, wherein the touch substrate is located on a light emitting side of the display panel.
8. The touch display device of claim 7, wherein the display panel is located on a side of the substrate base plate facing away from the first film layer.
9. The touch display device of claim 7, wherein the touch substrate and the display panel are bonded by an optical adhesive.
Priority Applications (1)
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|---|---|---|---|
| CN202022676250.0U CN213182707U (en) | 2020-11-18 | 2020-11-18 | Touch substrate and touch display device |
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| CN202022676250.0U CN213182707U (en) | 2020-11-18 | 2020-11-18 | Touch substrate and touch display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578979A (en) * | 2020-11-18 | 2022-06-03 | 京东方科技集团股份有限公司 | Preparation method of touch substrate, touch substrate and touch display device |
| WO2024020721A1 (en) * | 2022-07-25 | 2024-02-01 | 京东方科技集团股份有限公司 | Optical structure and method for manufacturing optical structure |
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2020
- 2020-11-18 CN CN202022676250.0U patent/CN213182707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578979A (en) * | 2020-11-18 | 2022-06-03 | 京东方科技集团股份有限公司 | Preparation method of touch substrate, touch substrate and touch display device |
| WO2024020721A1 (en) * | 2022-07-25 | 2024-02-01 | 京东方科技集团股份有限公司 | Optical structure and method for manufacturing optical structure |
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