Anti-electromagnetic interference and anti-static structure
By setting up a conductive cloth in the vehicle-mounted LCD display module, the problems of high anti-electrostatic cost in the prior art are solved, and the effect of simplifying processing accuracy and reducing production costs is achieved.
Patent Information
- Application Number
- CN202420119647.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-01-17
AI Technical Summary
The existing automotive LCD display modules have high processing accuracy and high cost in terms of anti-electromagnetic interference and anti-static.
By setting up a conductive cloth in the display module, one end of the conductive cloth is adhered to the first iron frame and the other end is electrically connected to the connection area on the FPC board, charge introduction and static protection are realized, while the conductive cloth covers the trace area instead. Traditional shielding layer realizes anti-electromagnetic interference.
It simplifies processing accuracy, reduces production costs, and effectively prevents static electricity and anti-electromagnetic interference.
Smart Images
Figure CN222441921U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle-mounted display, in particular to an anti-electromagnetic interference and anti-static structure. Background Art
[0002] The vehicle-mounted LCD display module can provide information assistance to the driver during driving, such as navigation.
[0003] In the related art, some vehicle-mounted LCD display modules usually adopt a shielding layer attached to the FPC board to achieve the purpose of anti-electromagnetic interference and anti-static. However, this method has high processing precision and high cost. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an anti-electromagnetic interference and anti-static structure, which can simplify processing accuracy and reduce production costs.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] The first aspect of the present application provides an anti-electromagnetic interference and anti-static structure, comprising: a conductive cloth; a display module, the display module comprising a first iron frame, the first iron frame being connected to the conductive cloth; and an FPC board, the FPC board being provided with a routing area and a grounding area, the conductive cloth being arranged in the routing area, and the conductive cloth being electrically connected to the grounding area.
[0007] The FPC board is also provided with a component area.
[0008] It also includes an electronic device, which is arranged in the component area.
[0009] The display module further comprises a colloid, and the colloid is arranged on the first iron frame.
[0010] The display module also includes a display screen, which is arranged on the colloid, and the FPC board is connected to the display screen.
[0011] The display module also includes a chip, and the chip is arranged on the display screen.
[0012] The display module also includes a polarizer, and the polarizer is arranged on the display screen.
[0013] The FPC board is also provided with an adhesion area, and the conductive cloth is arranged in the adhesion area.
[0014] The display module also includes a second iron frame, and the second iron frame is arranged on the first iron frame.
[0015] The routing area is an LVDS routing area.
[0016] Compared with the prior art, the utility model has at least the following advantages:
[0017] By setting a conductive cloth, adhering one end of the conductive cloth to the first iron frame, and connecting the other end of the conductive cloth to the grounding area on the FPC board, the charge is introduced into the grounding area to achieve the anti-static function. At the same time, the conductive cloth completely covers the entire routing area, replacing the role of the traditional shielding layer, and achieving the anti-electromagnetic interference function. In this way, the above method can simplify the processing accuracy and reduce the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0019] Figure 1 It is a schematic structural diagram of the anti-electromagnetic interference and anti-static structure in one embodiment of the utility model;
[0020] Figure 2 It is a structural schematic diagram of another implementation of the anti-electromagnetic interference and anti-static structure in one embodiment of the utility model. DETAILED DESCRIPTION
[0021] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.
[0022] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0023] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0024] See also Figure 1 and Figure 2 , an anti-electromagnetic interference and anti-static structure, comprising: a conductive cloth 100, a display module 200 and an FPC board 300, the display module 200 comprises a first iron frame 210, the first iron frame 210 is connected to the conductive cloth 100; a routing area and a grounding area 310 are provided on the FPC board 300, the conductive cloth 100 is arranged in the routing area, and the conductive cloth 100 is electrically connected to the grounding area 310.
[0025] It should be noted that the routing area is the LVDS routing area, and the grounding area 310 is GND. By setting the conductive cloth 100, adhering one end of the conductive cloth 100 to the first iron frame 210, and connecting the other end of the conductive cloth 100 to the grounding area 310 on the FPC board 300, the charge is introduced into the grounding area 310 to achieve the anti-static function. At the same time, the conductive cloth 100 completely covers the entire routing area, replacing the role of the traditional shielding layer, and achieving the anti-electromagnetic interference function. In this way, the above method can simplify the processing accuracy and reduce the production cost.
[0026] See also Figure 1 In one embodiment, a component area 320 is further provided on the FPC board 300 . Specifically, electronic devices are also included, and the electronic devices are arranged in the component area 320 .
[0027] It should be noted that the component area 320 is specifically used for placing electronic devices.
[0028] See also Figure 2 In one embodiment, the display module 200 further includes a colloid 220, which is disposed on the first iron frame 210. Specifically, the display module 200 further includes a display screen 230, which is disposed on the colloid 220, and the FPC board 300 is connected to the display screen 230. Specifically, the display module 200 further includes a chip 240, which is disposed on the display screen 230. Specifically, the display module 200 further includes a polarizer 250, which is disposed on the display screen 230.
[0029] It should be noted that the colloid 220 is double-sided adhesive, and the display screen 230 is fixed to the first iron frame 210 by the double-sided adhesive. The chip 240 is used to send and receive signals to communicate with the display screen 230.
[0030] See also Figure 2 In one embodiment, an adhesive area 330 is further provided on the FPC board 300, and the conductive cloth 100 is disposed in the adhesive area 330. It should be noted that the adhesive area 330 is used to adhere the conductive cloth 100.
[0031] See also Figure 2 In one embodiment, the display module 200 further includes a second iron frame 260 , and the second iron frame 260 is disposed on the first iron frame 210 .
[0032] It should be noted that the second iron frame 260 is installed on the first iron frame 210 by snapping.
[0033] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.
[0034] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.
Claims
1. An anti-electromagnetic interference and anti-static structure, characterized in that: include: Conductive fabric; A display module, wherein the display module comprises a first iron frame, wherein the first iron frame is connected to the conductive cloth; and The FPC board has a wiring area and a grounding area, the conductive fabric is arranged in the wiring area, and the conductive fabric is electrically connected to the grounding area.
2. The anti-electromagnetic interference and anti-static structure according to claim 1, characterized in that: The FPC board is also provided with a component area.
3. The anti-electromagnetic interference and anti-static structure according to claim 2, characterized in that: It also includes an electronic device, which is arranged in the component area.
4. The anti-electromagnetic interference and anti-static structure according to claim 1, characterized in that: The display module further comprises a colloid, and the colloid is arranged on the first iron frame.
5. The anti-electromagnetic interference and anti-static structure according to claim 4, characterized in that: The display module also includes a display screen, which is arranged on the colloid, and the FPC board is connected to the display screen.
6. The anti-electromagnetic interference and anti-static structure according to claim 5, characterized in that: The display module also includes a chip, and the chip is arranged on the display screen.
7. The anti-electromagnetic interference and anti-static structure according to claim 6, characterized in that: The display module also includes a polarizer, and the polarizer is arranged on the display screen.
8. The anti-electromagnetic interference and anti-static structure according to claim 1, characterized in that: The FPC board is also provided with an adhesion area, and the conductive cloth is arranged in the adhesion area.
9. The anti-electromagnetic interference and anti-static structure according to claim 1, characterized in that: The display module also includes a second iron frame, and the second iron frame is arranged on the first iron frame.
10. The anti-electromagnetic interference and anti-static structure according to claim 1, characterized in that: The routing area is an LVDS routing area.