Touch screen, intelligent wearable device and electronic device
By setting the bottom layer of the electrically conductive layer between the film substrate and the silver paste trace, the problem of pinholes and micro-damage in the screen printing and dry engraving of the touch screen silver paste trace is solved, ensuring the normal function of the product.
Patent Information
- Application Number
- CN202421848350.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The touch screen paste wiring in existing electronic devices is prone to pinholes and micro-damage during silk screen printing and dry engraving, resulting in poor product functions.
Set a base layer between the film base material and the silver paste trace, and the base layer is used as an electrical conductive layer to ensure that the silver paste trace can still work normally when pinholes or micro-damage occurs.
By setting up a bottom layer, the poor function problems caused by pinholes or micro-damage of the silver paste wiring are effectively avoided, ensuring the normal operation of the touch screen.
Smart Images

Figure CN222994914U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic devices, in particular to a touch screen, a smart wearable device and an electronic device. Background Art
[0002] With the popularization of smart terminals, especially electronic devices with touch screens are increasingly favored by users. Currently, the silver paste traces in the touch screens of electronic devices are usually dry-etched silver paste traces. During the screen printing and dry etching processes of the silver paste, problems such as pinholes and micro-damage are likely to occur, ultimately resulting in poor product functionality.
[0003] How to solve the above technical problems has become an urgent technical problem in the industry. Summary of the Invention
[0004] In order to at least solve the above technical problems, the purpose of the utility model is to provide a touch screen. By providing an underlayer between the film substrate and the silver paste trace, when the silver paste trace has a pinhole or micro-damage, the normal operation of the silver paste trace is ensured.
[0005] To achieve the above purpose, the touch screen provided by the utility model includes:
[0006] A film substrate layer, the film substrate layer includes a film substrate;
[0007] A trace layer is provided on the film substrate;
[0008] The trace layer includes an underlayer and a silver paste trace;
[0009] The underlayer is disposed on the film substrate;
[0010] The silver paste trace is disposed on the underlayer;
[0011] The underlayer is an electrically conductive layer.
[0012] Further, the underlayer is an ITO layer.
[0013] Further, it further includes:
[0014] A viewing area, the viewing area is in the middle area of the film substrate.
[0015] Further, the trace layer surrounds the viewing area.
[0016] Further, it further includes:
[0017] An ink area, the ink area surrounds the viewing area.
[0018] Further, the ink area covers the trace layer.
[0019] Further, it further includes:
[0020] A binding position, which is connected to the wiring layer.
[0021] Further, an FPC is bound to the binding position.
[0022] To achieve the above object, the smart wearable device provided by this application includes: the above touch screen.
[0023] To achieve the above object, the electronic device provided by this application includes: the above touch screen.
[0024] The touch screen of the embodiment of this application includes: a film substrate layer, and the film substrate layer includes a film substrate; a wiring layer is provided on the film substrate; the wiring layer includes a bottom layer and silver paste traces; the bottom layer is disposed on the film substrate; the silver paste traces are disposed on the bottom layer, and the bottom layer is an electrically conductive layer. By providing a bottom layer between the film substrate and the silver paste traces, when there are pinholes or micro-damages in the silver paste traces, the normal operation of the silver paste traces is ensured. Description of the Drawings
[0025] The drawings are used to provide a further understanding of this application, and constitute a part of the specification. Together with the embodiments of this application, they are used to explain this application, and do not constitute a limitation to this application. In the drawings:
[0026] Figure 1 It is a schematic structural diagram of the touch screen of the embodiment of this application.
[0027] Description of the Reference Numerals:
[0028] 101 - Film substrate; 102 - Bottom layer; 103 - Binding position; 104 - Ink area; 105 - Silver paste traces. Detailed Embodiments
[0029] The embodiments of this application will be described in more detail below with reference to the drawings. Although some embodiments of this application are shown in the drawings, it should be understood that this application can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand this application. It should be understood that the drawings and embodiments of this application are only for exemplary purposes and are not used to limit the protection scope of this application.
[0030] It should be understood that the various steps recorded in the method embodiments of this application can be executed in different orders and / or executed in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of this application is not limited in this regard.
[0031] As used herein, the term "comprising" and its variations are open-ended, i.e., "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.
[0032] It should be noted that the modifications of "one" and "a plurality" mentioned in this application are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise clearly specified in the context, it should be understood as "one or more". "A plurality" should be understood as two or more.
[0033] An embodiment of the present application provides a touch screen, including:
[0034] A film substrate layer, the film substrate layer including a film substrate;
[0035] A wiring layer is provided on the film substrate;
[0036] The wiring layer includes a primer layer and silver paste traces;
[0037] The primer layer is disposed on the film substrate;
[0038] The silver paste traces are disposed on the primer layer;
[0039] The primer layer is an electrically conductive layer.
[0040] Embodiment 1
[0041] Figure 1 is a schematic structural diagram of the touch screen according to the embodiment of the present application. The following will be combined with Figure 1 , and the touch screen structure according to the embodiment of the present application will be described in detail.
[0042] The touch screen according to the embodiment of the present application includes: a film substrate layer.
[0043] In some exemplary embodiments, the film substrate layer includes a film substrate 101.
[0044] In some exemplary embodiments, a wiring layer is provided on the film substrate 101.
[0045] In some exemplary embodiments, the wiring layer includes a primer layer 102 and silver paste traces 105.
[0046] In some exemplary embodiments, the primer layer 102 is disposed on the film substrate 101.
[0047] In some exemplary embodiments, the silver paste trace 105 is disposed on the underlying layer 102, that is, the underlying layer 102 is disposed between the film substrate 101 and the silver paste trace 105.
[0048] In some exemplary embodiments, the underlying layer 102 is an electrically conductive layer.
[0049] In some exemplary embodiments, the underlying layer 102 is an ITO layer.
[0050] In some exemplary embodiments, ITO, (Indium Tin Oxide).
[0051] In some exemplary embodiments, the thickness of the ITO layer is between 600 angstroms and 800 angstroms.
[0052] In some exemplary embodiments, the touch screen of the embodiment of the present application further includes: a viewing area.
[0053] In some exemplary embodiments, the viewing area is in the middle area of the film substrate 101.
[0054] In some exemplary embodiments, the trace layer surrounds the viewing area. For example, when the film substrate 101 is circular, the viewing area is circular, and the trace layer is annularly surrounded around the viewing area.
[0055] In some exemplary embodiments, the touch screen of the embodiment of the present application further includes: an ink area 104.
[0056] In some exemplary embodiments, the ink area 104 surrounds the viewing area.
[0057] In some exemplary embodiments, the ink area 104 covers the trace layer.
[0058] In some exemplary embodiments, the ink area 104 presents a dark color, such as brown, brown, black, etc.
[0059] In some exemplary embodiments, the touch screen of the embodiment of the present application further includes: a bonding position 103.
[0060] In some exemplary embodiments, the bonding position 103 is communicated with the trace layer.
[0061] In some exemplary embodiments, according to needs, the bonding position 103 can be disposed on the underlying layer 102 or directly on the film substrate 101.
[0062] In some exemplary embodiments, the bonding position 103 is bonded with an FPC.
[0063] In some exemplary embodiments, an FPC (Flexible Printed Circuit) is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate.
[0064] In some exemplary embodiments, the FPC has the characteristics of high wiring density, light weight, thin thickness, and good bendability.
[0065] In some exemplary embodiments, the FPC may optionally further include a component area.
[0066] In some exemplary embodiments, the component area is used for arranging components.
[0067] In some exemplary embodiments, the components include capacitors and / or resistors and / or diodes.
[0068] In some exemplary embodiments, the capacitor functions to stabilize voltage or filter.
[0069] In some exemplary embodiments, the resistor functions to pull up or provide electrostatic protection.
[0070] In some exemplary embodiments, the diode functions to provide electrostatic protection or prevent voltage backflow.
[0071] In some exemplary embodiments, the component area may optionally further include a steel sheet reinforcement. For example, components are arranged on the front side of the component area, and the steel sheet reinforcement is arranged on the back side of the component area.
[0072] Example 2
[0073] Example 2 is a smart wearable device, including the touch screen of the above example.
[0074] In some exemplary embodiments, the smart wearable devices of the embodiments of the present application include smart watches, smart bracelets, and the like.
[0075] Example 3
[0076] Example 3 is an electronic device, including the touch screen of the above example.
[0077] Although the disclosed embodiments of the present utility model are as above, the content is only the embodiments adopted for facilitating the understanding of the present utility model, and is not used to limit the present utility model. Any person skilled in the art within the field of the present utility model can make any modifications and changes in the form and details of the implementation without departing from the spirit and scope disclosed by the present utility model. However, the scope of patent protection of the present utility model shall still be subject to the scope defined by the appended claims.
Claims
1. A touch screen, characterized in that: include: A film substrate layer, wherein the film substrate layer comprises a film substrate; A wiring layer is provided on the film substrate; The routing layer includes a base layer and silver paste routing; The base layer is arranged on the film substrate; The silver paste wiring is arranged on the base layer; The primer layer is an electrical conductive layer.
2. The touch screen according to claim 1, characterized in that: The bottom layer is an ITO layer.
3. The touch screen according to claim 2, characterized in that: Also included are: A viewing zone is located in a middle area of the film substrate.
4. The touch screen according to claim 3, characterized in that: The routing layer surrounds the viewing area.
5. The touch screen according to claim 4, characterized in that: Also included are: An ink zone surrounds the viewing area.
6. The touch screen according to claim 5, characterized in that: The ink area covers the wiring layer.
7. The touch screen according to claim 6, characterized in that: Also included are: A binding bit is connected to the routing layer.
8. The touch screen according to claim 7, characterized in that: The binding bit is bound with the FPC.
9. A smart wearable device, characterized in that: A touch screen comprising any one of claims 1 to 8.
10. An electronic device, characterized in that: A touch screen comprising any one of claims 1 to 8.