Novel antistatic touch film
By designing disconnect holes on the side leads of the touch film and injecting insulating resin, combined with the wire mesh and lead wire layout, the problems of defective products and high costs caused by static electricity ingress were solved, achieving efficient production and high-quality touch performance.
Patent Information
- Application Number
- CN202422935405.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the production of existing touch films, the edge conductors are directly cut, which causes static electricity to enter the touch film, resulting in defective products, high costs, and low production efficiency.
Disconnect holes are designed on the side leads of the touch film, and the continuity of the wires is broken by laser drilling or other methods. Insulating resin is injected into the disconnect holes. Combined with the reasonable layout of the wire grid and the lead wire wiring area, a discontinuous conductive path is formed.
It effectively prevents the accumulation and spread of static electricity, enhances the antistatic capability of the touch film, improves touch accuracy and sensitivity, reduces production costs, and reduces defective products.
Smart Images
Figure CN223450407U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to touch film processing technical field, concretely is a novel antistatic touch film. BACKGROUND
[0002] Touch film refers to a set of transmitting electrodes and a set of receiving electrodes form a cross network, wherein each transmitting wire and each sensing wire cross each other to form a capacitor, when a person's finger approaches the intersection, the capacitor at the intersection changes, and the touch position is determined by detecting the change in the capacitor.
[0003] The existing touch film directly cuts the edge wire in production, resulting in the edge of the touch film having a wire section. In the subsequent processing of the touch film and the use process of the downstream customers, static electricity generated by the human body may enter the touch film along the edge wire section of the touch film, causing damage to the internal circuit of the touch film, resulting in inability to touch or partial touch failure, causing defective products, and the maintenance cost is very high. And waste is formed during the production of the touch film, which increases the production cost and reduces the production efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims to solve the problem of poor antistatic performance of the touch film caused by simple cutting in the above background technology, and the problem of waste during the production of the touch film caused by static electricity, which increases the production cost and reduces the production efficiency.
[0005] The utility model realizes the above-mentioned purpose through the following technical scheme: a novel antistatic touch film is provided, which comprises a touch film, a wiring area is arranged on the touch film, a wire grid is arranged in the wiring area, an outgoing line wiring area is arranged on one side of the wiring area, an outgoing line connected with the wire grid is arranged in the outgoing line wiring area; a plurality of edge side leads connected with the wire grid are arranged on the side of the wiring area, and a disconnection hole for disconnecting is arranged on the edge side lead.
[0006] Further, the wiring area is rectangular, and a plurality of edge side leads are arranged on two adjacent sides of the wiring area and are connected with the wire grid.
[0007] Further, the disconnection hole is formed on the edge side lead by laser drilling to disconnect the wire and form a discontinuous conductive path; wherein the drilling method is not limited to laser, and round knife cutting or die punching drilling method can also be used.
[0008] Further, insulating resin is injected into the disconnection hole to disconnect the communication of the edge side lead.
[0009] Further, the rectangular four corners of the wiring area are provided with corner guide lines, and the corner guide lines are multiple guide lines folded in the direction of the rectangular side of the wiring area.
[0010] Further, the touch film is made of PET and OCA materials, and the touch film (1) is a rectangular film.
[0011] Further, the diameter of the guide lines in the guide line grid is 3-8 microns.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The disconnection hole design on the side lead line effectively breaks the continuity of the guide line through laser drilling, prevents static electricity accumulation and propagation, and more optimally injects insulating resin into the disconnection hole. This design can significantly reduce the static charge on the surface of the touch film, thereby reducing the influence of static electricity on touch performance and improving overall anti-static ability.
[0014] 2. Due to the guide line grid design in the wiring area and the reasonable layout of the lead-out line wiring area, the touch film can more accurately sense the touch position, thereby improving touch precision and sensitivity. This allows users to obtain a more smooth and accurate touch experience when using touch devices. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is Figure 1 the enlarged view of part A;
[0017] Figure 3 It is Figure 1 the enlarged view of part B.
[0018] In the figure: 1-touch film, 2-wiring area, 3-guide line grid, 4-lead-out line wiring area, 5-side lead line, 6-disconnection hole, 7-corner guide line, 41-lead-out line. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0020] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0021] In combination Figures 1 to 3 The utility model provides a novel antistatic touch film, including touch film 1, is equipped with wiring area 2 on touch film 1, is equipped with wire grid 3 in wiring area 2, is equipped with lead-out wire wiring area 4 on one side of wiring area 2, is equipped with the lead-out wire 41 of connection with wire grid 3 in lead-out wire wiring area 4;The side of wiring area 2 is equipped with multiple side lead 5 of connection with wire grid 3, is equipped with the break hole 6 for disconnecting on side lead 5;
[0022] As Figure 1 The wiring area 2 is rectangular, and the multiple side leads 5 are arranged on two adjacent sides of the wiring area 2 and are connected with the wire grid 3, and the diameter of the wire in the wire grid 3 is 5-8 microns. Such a small wire can not only provide good conductivity, but also maintain the transparency and flexibility of the touch film.
[0023] As Figure 2 The break hole 6 is formed on the side lead 5 by laser drilling to disconnect the wire and form a discontinuous conductive path. In this way, static charges cannot freely conduct in the touch film, thereby achieving the antistatic effect. Laser drilling has high precision and controllability, and can accurately drill at a specific position of the touch film 1 to ensure that the conductive material is effectively cut off at the required disconnection point, without damaging other functional areas of the touch film 1. In addition, insulating resin can be injected into the break hole 6 to disconnect the side lead 5, which further optimizes the disconnection of the side lead 5, thereby reducing the influence of static electricity on the touch performance and improving the overall antistatic capability. The drilling method is not limited to laser drilling, and can also use round knife cutting or die punching.
[0024] As Figure 3 The rectangular corners of the wiring area 2 are provided with corner wires 7, which are multiple wires folded in the direction of the rectangular side of the wiring area 2. These corner wires 7 are designed as multiple wires folded in the direction of the rectangular side, which can facilitate alignment and fitting during production and also help improve the effective antistatic effect of the touch film.
[0025] The touch film 1 is PET and OCA material, the touch film 1 is a rectangular film, has the characteristics such as light, transparent, flexible, can adapt to various complex curved surface application scene.
[0026] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0027] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A novel antistatic touch film, comprising a touch film (1), wherein the touch film (1) is provided with a wiring area (2), wherein a wire grid (3) is provided in the wiring area (2), and wherein: A lead wire wiring area (4) is provided on one side of the wiring area (2), and a lead wire (41) connected to the wire grid (3) is provided in the lead wire wiring area (4); a plurality of side leads (5) connected to the wire grid (3) are provided on the side of the wiring area (2), and a disconnection hole (6) for disconnecting the connection is opened on the side leads (5).
2. The novel antistatic touch film according to claim 1, characterized in that: The wiring area (2) is rectangular, and a plurality of side leads (5) are arranged on two adjacent sides of the wiring area (2) and are all connected to the wire grid (3).
3. The novel antistatic touch film according to claim 2, characterized in that: The disconnection hole (6) is formed on the side lead (5) by laser drilling to disconnect the wire to form a discontinuous conductive path.
4. The novel antistatic touch film according to claim 3, characterized in that: Insulating resin is injected into the disconnection hole (6) to disconnect the connection of the side lead (5).
5. The novel antistatic touch film according to claim 4, characterized in that: Corner conductors (7) are arranged at the four rectangular corners of the wiring area (2), and the corner conductors (7) are multiple conductors folded and arranged along the rectangular sides of the wiring area (2).
6. The novel antistatic touch film according to claim 5, characterized in that: The touch film (1) is made of PET and OCA materials, and is a rectangular film.
7. The novel antistatic touch film according to claim 6, characterized in that: The diameter of the wires in the wire grid (3) is 3-8 microns.