CN219958209U - Electromagnetic touch display screen and electronic equipment - Google Patents
Electromagnetic touch display screen and electronic equipment Download PDFInfo
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- CN219958209U CN219958209U CN202321011283.0U CN202321011283U CN219958209U CN 219958209 U CN219958209 U CN 219958209U CN 202321011283 U CN202321011283 U CN 202321011283U CN 219958209 U CN219958209 U CN 219958209U
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- electromagnetic induction
- induction electrode
- electromagnetic
- display module
- cover plate
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Abstract
The utility model provides an electromagnetic touch display screen and electronic equipment. The electromagnetic touch display screen comprises a display module, a transparent cover plate and electromagnetic induction electrodes; the transparent cover plate is arranged on the light emitting side of the display module; the electromagnetic induction electrode is also arranged on the light emitting side of the display module, the electromagnetic induction electrode is of a transparent structure and is adhered between the transparent cover plate and the display module, and the adhering area of the electromagnetic induction electrode is located in the frame area or the whole orthographic projection area of the electromagnetic induction electrode. The transparent electromagnetic induction electrode is arranged outside the display module, so that the viewing of a display picture is not affected, the display module is not required to be disassembled or assembled, the display module is not damaged, the assembly is simple and efficient, and the requirement on the assembly environment is low.
Description
Technical Field
The utility model relates to the technical field of electromagnetic touch control (Electromagnetic touch, also called electromagnetic touch control), in particular to an electromagnetic touch control display screen and electronic equipment.
Background
The basic principle of the electromagnetic touch display screen is that an electromagnetic pen emits electromagnetic signals to interact with an electromagnetic induction electrode, when the electromagnetic pen approaches the electromagnetic touch display screen, the electromagnetic induction electrode induces the electromagnetic signals so that the magnetic flux of the electromagnetic induction electrode changes, signals are received according to an antenna array in the horizontal direction and the vertical direction, the electromagnetic pen is a signal emitting end, the antenna array is a signal receiving end, and the position of an x coordinate axis and a y coordinate axis of the electromagnetic pen is obtained through the change calculation of the magnetic flux.
The electromagnetic induction electrode of the existing electromagnetic touch screen is generally a non-transparent structure made of non-transparent materials, for example, the induction electrode is printed on the surface of a plastic film or is wired on a flexible circuit board (FPC) to realize the induction electrode. Such a non-transparent electromagnetic induction electrode is generally built-in mounted in the display module, and a device provided at a frame portion of the backlight module transmits light toward the middle area to provide light required for display of the display panel 3. As shown in fig. 1, if the electromagnetic induction electrode 4 is added in the display screen with the capacitive induction electrode 2, and the glass cover plate 1 is disposed on the outer surface of the capacitive induction electrode 2, the display panel 3 and the backlight module 5 of the display module that are already finished products need to be separated in a dust-free workshop, the glass cover plate of the display panel 3 is particularly easy to damage and crack, then the electromagnetic induction electrode 4 is inserted, in the process of recovering the display module, dust is easily introduced into the display module, which results in poor display and severe assembly environment requirements.
Disclosure of Invention
In view of this, the utility model provides an electromagnetic touch display screen and an electronic device, which can solve the problems that a non-transparent electromagnetic induction electrode needs to be disassembled and assembled inside a display module, and thus the assembly environment is hard to be damaged easily.
The utility model provides an electromagnetic touch display screen, which comprises:
a display module;
the transparent cover plate is arranged on the light emitting side of the display module;
the electromagnetic induction electrode is arranged on the light emitting side of the display module, is of a transparent structure, and is bonded between the transparent cover plate and the display module, and the bonding area of the electromagnetic induction electrode is located in the frame area or the whole orthographic projection area of the electromagnetic induction electrode.
Optionally, the electromagnetic induction electrode is adhered to the side surface of the transparent cover plate facing the display module.
Optionally, the display module assembly includes display panel and backlight module assembly, display panel set up in backlight module assembly's play light side, electromagnetic induction electrode bond in display panel is dorsad one side of backlight module assembly.
Optionally, the display panel is a liquid crystal display panel.
Optionally, the electromagnetic induction electrode is formed on a transparent substrate base material, and the transparent substrate base material is fixed on the transparent cover plate or the display panel.
Optionally, the transparent substrate is a single layer or multi-layer structure.
Optionally, the transparent substrate is a multi-layer structure, and the electromagnetic induction electrode is disposed between two adjacent layers of the transparent substrate.
Optionally, the electromagnetic induction electrode is an ITO electrode, a nano silver electrode, or a graphene electrode.
Optionally, the transparent cover plate is a glass cover plate, a PET transparent cover plate or a PMMA transparent cover plate.
The electronic equipment provided by the utility model comprises any electromagnetic touch display screen.
As described above, the transparent electromagnetic induction electrode is adopted and arranged between the transparent cover plate and the display module, namely, the transparent electromagnetic induction electrode is arranged outside the display module, so that the viewing of a display picture is not affected, the display module is not required to be disassembled or assembled, the display module is not damaged, and in addition, the assembly is simple and efficient, and the requirement on the assembly environment is low.
Drawings
FIG. 1 is a schematic cross-sectional view of an electromagnetic touch display screen of the prior art;
fig. 2 is a schematic cross-sectional view of an electromagnetic touch display screen according to an embodiment of the present utility model.
Detailed Description
In order to solve the above problems in the prior art, the present utility model provides an electromagnetic touch display screen and an electronic device. The two protection subject matters are based on the same conception, the principles for solving the problems are basically the same or similar, and the embodiments of each protection subject matter can be referred to each other, and the repetition is omitted.
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly described below with reference to specific embodiments and corresponding drawings. It will be apparent that the embodiments described below are only some, but not all, embodiments of the utility model. Under the condition of no conflict, the following embodiments and technical features thereof can be combined with each other and also belong to the technical scheme of the utility model.
In the description of the embodiments of the present utility model, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the technical solutions of the respective embodiments, and do not indicate or imply that the devices or elements must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present utility model.
Referring to fig. 2, an electromagnetic touch display screen 10 according to an embodiment of the utility model includes a display module 11, a transparent cover 12, and an electromagnetic induction electrode 13.
The display module 11 is used as a display device of the electromagnetic touch display screen 10, and the utility model is not limited to the type and the corresponding specific structure. For example, in the scenario shown in fig. 2, the display Module 11 may be a liquid crystal display Module, and includes a display panel (e.g., a liquid crystal display panel) 111 and a Backlight Module (Backlight Module) 112, where the display panel 111 is disposed on a light emitting side of the Backlight Module 112, and a dashed arrow in the figure indicates a light emitting direction perpendicular to the display panel 111. It should be understood that the display module 11 may be of other types such as OLED.
The transparent cover 12 is disposed on the light-emitting side of the display module 11. The transparent cover 12 can allow the display module 11 to better emit light for displaying pictures to be observed by human eyes by utilizing the transparent characteristic thereof. The preferred emission includes, but is not limited to, the characteristics of color, quantity of light, intensity of light emitted from the display module 11. In a practical scenario, the transparent cover plate 12 may be a glass cover plate, a PET (polyethylene glycol terephthalate, polyethylene terephthalate) transparent cover plate, or a PMMA (polymethyl methacrylate ) transparent cover plate.
The electromagnetic induction electrode 13 is also arranged on the light emitting side of the display module 11, the electromagnetic induction electrode 13 is of a transparent structure and is bonded between the transparent cover plate 12 and the display module 11, and the bonding area of the electromagnetic induction electrode 13 is located in the frame area of the electromagnetic induction electrode 13, so that the influence of the adhesive in the bonding area on the display effect can be avoided as much as possible, or the bonding area of the electromagnetic induction electrode 13 is located in the whole orthographic projection area of the electromagnetic induction electrode 13, and the bonding area is larger, so that the bonding effect is better.
Taking the scenario shown in fig. 2 as an example, the transparent cover plate 12 and the electromagnetic induction electrode 13 are sequentially disposed on a side of the display panel 111 facing away from the backlight module 112, for example, may be adhered to an upper side of the display panel 111 in the orientation shown in fig. 2. Of course, in other embodiments, the electromagnetic induction electrode 13 may be adhered to the side of the transparent cover 12 facing the display module 11, for example, may be adhered to the lower side of the transparent cover 12 in the orientation shown in fig. 2, where the electromagnetic induction electrode 13 and the transparent cover 12 may be formed into an integral structure, which may be referred to as an electromagnetic touch screen, and after the electromagnetic touch screen and the display module 11 are adhered, the electromagnetic touch screen and the display module 11 which are not detached may be simply and quickly assembled directly.
The bonding area of the electromagnetic induction electrode 13 may be located in the frame area thereof, or the whole orthographic projection area of the viewing angle along the light-emitting direction indicated by the dotted arrow, that is, the electromagnetic induction electrode 13 may be bonded between the transparent cover plate 12 and the display module 11 by using frame or full-paste.
The electromagnetic induction electrode 13 can allow the display module 11 to emit light for displaying pictures well and be observed by human eyes by utilizing the transparent characteristic thereof. As mentioned above, the preferred emission also includes, but is not limited to, the color, the light quantity, the light intensity, etc. of the light emitted from the display module 11.
In a practical scenario, the material of the electromagnetic induction electrode 13 includes, but is not limited to, ITO (Indium tin oxide), nano silver or graphene, and accordingly, the electromagnetic induction electrode 13 may be an ITO electrode, a nano silver electrode or a graphene electrode.
The electromagnetic induction electrode 13 may be formed on a transparent substrate (not shown) fixed to the transparent cover plate 12 or the display module 11. For example, in the scenario shown in fig. 2, the transparent substrate base material may be fixed on the display panel 111.
In one embodiment, the transparent substrate may be a single layer structure or a multi-layer structure. For example, in a scenario where the transparent substrate is a multi-layer structure, the electromagnetic induction electrode 13 may be disposed between two adjacent layers of structures of the transparent substrate, which may be regarded as that the electromagnetic induction electrode 13 is sandwiched inside the transparent substrate, and the structural safety is high.
The transparent substrate is used for providing an adhesion carrier for the electromagnetic induction electrode 13, and in an actual scene, the electromagnetic induction electrode 13 can be formed by printing and the like; the transparent substrate base material comprises, but is not limited to, a glass film material, a PET transparent film material or a PMMA transparent film material.
Based on the above, the transparent electromagnetic induction electrode 13 is arranged outside the display module 11, so that the viewing of a display picture is not affected, the display module 11 is not required to be disassembled or assembled, the display module 11 is not damaged, and in addition, the assembly is simple and efficient, and the requirement on the assembly environment is low.
The utility model also provides an electronic device, which comprises the electromagnetic touch display screen 10 according to any of the embodiments, so that the electromagnetic touch display screen 10 according to the corresponding embodiment has the beneficial effects.
Electronic devices include, but are not limited to, terminals with electromagnetic touch functions such as smartphones, PDAs (Personal Digital Assistant, personal digital assistants or tablet computers), and wearable devices with electromagnetic touch functions worn on limbs or embedded in clothing, jewelry, accessories.
It should be understood that, the electromagnetic touch display screen and the electronic device provided in the embodiments of the present utility model are respectively corresponding to complete devices, and also have structures corresponding to known devices, and only the components related to electromagnetic touch and display in the devices are described herein, and the other components are not described in detail.
The foregoing description is only a partial embodiment of the present utility model and is not intended to limit the scope of the present utility model, and all equivalent structural modifications made by those skilled in the art using the present description and accompanying drawings are included in the scope of the present utility model.
Although the terms first, second, etc. are used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. In addition, the singular forms "a", "an" and "the" are intended to include the plural forms as well. The terms "or" and/or "are to be construed as inclusive, or mean any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
Claims (10)
1. An electromagnetic touch display screen, comprising:
a display module;
the transparent cover plate is arranged on the light emitting side of the display module;
the electromagnetic induction electrode is arranged on the light emitting side of the display module, is of a transparent structure, and is bonded between the transparent cover plate and the display module, and the bonding area of the electromagnetic induction electrode is located in the frame area or the whole orthographic projection area of the electromagnetic induction electrode.
2. The electromagnetic touch display of claim 1, wherein the electromagnetic induction electrode is bonded to a side of the transparent cover plate facing the display module.
3. The electromagnetic touch display screen according to claim 1, wherein the display module comprises a display panel and a backlight module, the display panel is arranged on the light emitting side of the backlight module, and the electromagnetic induction electrode is adhered to one side of the display panel, which is opposite to the backlight module.
4. The electromagnetic touch display of claim 3, wherein the display panel is a liquid crystal display panel.
5. The electromagnetic touch display according to claim 2 or 3, wherein the electromagnetic induction electrode is formed on a transparent substrate base material, and the transparent substrate base material is fixed on the transparent cover plate or the display module.
6. The electromagnetic touch display of claim 5, wherein the transparent substrate is a single-layer or multi-layer structure.
7. The electromagnetic touch display of claim 6, wherein the transparent substrate is a multi-layered structure and the electromagnetic induction electrodes are disposed between two adjacent layers of the transparent substrate.
8. The electromagnetic touch display screen of claim 1, wherein the electromagnetic induction electrode is an ITO electrode, a nano silver electrode, or a graphene electrode.
9. The electromagnetic touch display of claim 1, wherein the transparent cover plate is a glass cover plate, a PET transparent cover plate, or a PMMA transparent cover plate.
10. An electronic device comprising an electromagnetic touch display according to any of the preceding claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011283.0U CN219958209U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic touch display screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321011283.0U CN219958209U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic touch display screen and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219958209U true CN219958209U (en) | 2023-11-03 |
Family
ID=88555741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321011283.0U Active CN219958209U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic touch display screen and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219958209U (en) |
-
2023
- 2023-04-26 CN CN202321011283.0U patent/CN219958209U/en active Active
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