FPC structure

Abstract

The utility model provides an FPC structure, which comprises an element area, a magnetic steel sheet reinforcing plate arranged below the element area, two through holes arranged on the magnetic steel sheet reinforcing plate, a metal shielding cover arranged above the element area, covering the element area, and grounded. The FPC copper layer close to one side of the magnetic steel sheet reinforcing plate is designed to be a GND layer. The thickness of the magnetic steel sheet reinforcing plate ranges from 0.1 mm to 0.35 mm. A magnetic steel sheet reinforcing plate is adopted for reinforcing the steel sheet below the FPC element, and meanwhile, two through holes are designed and can be used for positioning, so that the FPC can be accurately positioned and adsorbed on a control iron frame or a backlight iron frame in the whole machine, double-sided adhesive is not needed, and the element can be conveniently replaced when being damaged by static electricity; the FPC copper layer close to one side of the magnetic steel sheet reinforcing plate is designed to be a GND layer, so that the influence of a magnetic field on an FPC circuit can be reduced; the element area is protected by the metal shielding cover, and the metal shielding cover is grounded, so that the influence of a magnetic field on the work of the element is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of display touch products and FPC, and in particular to an FPC structure. Background Art

[0002] For display touch products, since the components are easily damaged by static electricity or other reasons, the FPC circuit board needs to be changed. Generally, the FPC steel sheet reinforcement plate is adhered to the backlight iron frame or the middle frame metal casing through double-sided adhesive. In this way, when replacing or repairing, it is difficult to disassemble due to the strong adhesion of double-sided adhesive, or other components may be damaged during disassembly. Utility Model Content

[0003] The utility model aims to provide an FPC structure which is easy to replace and will not damage other components.

[0004] Specifically, the specific technical solution of the utility model is: an FPC structure is proposed, including a component area, a magnetic steel sheet reinforcement plate is arranged below the component area, the magnetic steel sheet reinforcement plate is provided with two through holes, a metal shielding cover is arranged above the component area, the metal shielding cover covers the component area, and the metal shielding cover is grounded; the FPC copper layer close to the side of the magnetic steel sheet reinforcement plate is designed as a GND layer.

[0005] As a preferred technical solution, the thickness of the magnetic steel sheet reinforcement plate is 0.1 mm to 0.35 mm.

[0006] As a preferred technical solution, the metal shielding cover is welded to the GND layer.

[0007] As a preferred technical solution, the FPC structure is a double-layer, triple-layer or multi-layer board.

[0008] As a preferred technical solution, the FPC is provided with two connection ends, including a first connection end and a second connection end; wherein, the first connection end adopts a plug-in design and is provided with a first PI reinforcement plate.

[0009] As a preferred technical solution, a handle is provided on one side of the first PI reinforcement plate.

[0010] As a preferred technical solution, a second PI reinforcement plate is provided at the second connection end.

[0011] As a preferred technical solution, the two through holes are arranged diagonally.

[0012] As a preferred technical solution, the first connection end includes a metal PIN pin, and the metal PIN pin is connected to the touch screen.

[0013] As a preferred technical solution, the second connection end is set to a 12C interface, and the 12C interface is connected to the mainboard.

[0014] The beneficial effects of the utility model are as follows: (1) the steel sheet reinforcement under the FPC component adopts a magnetic steel sheet reinforcement plate, and two through holes are designed for positioning, so that the FPC can be accurately positioned and adsorbed on the control iron frame or the backlight iron frame in the whole machine, so that there is no need to use double-sided adhesive, and the component can be easily replaced when it is damaged by static electricity; (2) the FPC copper layer close to the magnetic steel sheet reinforcement plate is designed as a GND layer, which can reduce the influence of the magnetic field on the FPC circuit; (3) the component area is protected by a metal shielding cover, and the metal shielding cover is also grounded, which also plays a role in reducing the influence of the magnetic field on the operation of the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of an FPC structure proposed in this embodiment;

[0017] Figure 2 This is a schematic diagram of the reverse side of an FPC structure proposed in this embodiment.

[0018] Explanation of the reference numerals: FPC1; first connection end 11; second connection end 12; component area 2; magnetic steel sheet reinforcement plate 3; through hole 4; metal shielding cover 5; first PI reinforcement plate 6; second PI reinforcement plate 7; metal PIN pin 8; 12C interface 9. DETAILED DESCRIPTION

[0019] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be more comprehensive and complete and fully convey the concept of the example embodiments to those skilled in the art.

[0020] In addition, described feature, structure or characteristic can be combined in the first or more embodiments in any suitable manner.In the following description, many specific details are provided so as to provide a full understanding of the embodiments of the present application.But, those skilled in the art will appreciate that the technical scheme of the present application can be put into practice without the first or more in the specific details, or other methods, components, devices, steps etc. can be adopted.In other cases, known methods, devices, realizations or operations are not shown or described in detail to avoid blurring the various aspects of the present application.

[0021] The block diagrams shown in the accompanying drawings are merely functional entities and do not necessarily correspond to physically independent entities. That is, these functional entities may be implemented in software form, or in one or more hardware modules or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0022] The flowcharts shown in the accompanying drawings are only exemplary and do not necessarily include all the contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps can be decomposed, and some operations / steps can be combined or partially combined, so the actual execution order may change according to actual conditions.

[0023] It should be noted that the “plurality” mentioned in this article refers to two or more.

[0024] Example

[0025] like Figure 1-2 As shown, this embodiment proposes an FPC1 structure, including a component area 2, a magnetic steel sheet reinforcement plate 3 is arranged below the component area 2, and the magnetic steel sheet reinforcement plate 3 is provided with two through holes 4. Further, the two through holes 4 can be arranged diagonally, so that the magnetic steel sheet reinforcement plate 3 is easier to fix. The FPC1 structure arranged in this way can be used for better positioning, so that the FPC1 can be accurately positioned and adsorbed on the control iron frame or backlight iron frame in the whole machine, so that it is not necessary to use double-sided adhesive to adhere it to the control iron frame or backlight iron frame shell of the whole machine, and it is more convenient to replace when the component is damaged by static electricity.

[0026] like Figure 1 As shown, further, a metal shield 5 is arranged above the component area 2, the metal shield 5 covers the component area 2, and the metal shield 5 is grounded. Preferably, the metal shield 5 is welded to the GND layer. In this way, the component area 2 is protected by the metal shield 5, and the metal shield 5 is also grounded, which also reduces the influence of the magnetic field on the operation of the components.

[0027] Furthermore, the FPC1 copper layer close to one side of the magnetic steel sheet reinforcement plate 3 is designed as a GND layer, which can reduce the influence of the magnetic field on the FPC1 circuit.

[0028] Preferably, the thickness of the magnetic steel sheet reinforcement plate 3 is 0.1 mm to 0.35 mm.

[0029] Preferably, the FPC1 structure can be a double-layer, triple-layer or multi-layer board, which is not specifically limited here.

[0030] Continue to refer Figure 1 and Figure 2Preferably, the FPC1 is provided with two connection ends, including a first connection end 11 and a second connection end 12; wherein, the first connection end 11 adopts a plug-in design and is provided with a first PI reinforcing plate 6. Furthermore, a handle is provided on one side of the first PI reinforcing plate 6. The design of the handle makes it more convenient to plug and unplug.

[0031] Preferably, a second PI reinforcing plate 7 is also provided at the second connection end 12 to prevent the FPC 1 from breaking.

[0032] like Figure 2 As shown, preferably, the first connection end 11 includes a metal PIN pin 8, and the metal PIN pin 8 is connected to the touch screen. The second connection end 12 is set as an 12C interface 9, and the 12C interface 9 is connected to the mainboard.

[0033] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An FPC structure, characterized in that: It includes a component area, a magnetic steel sheet reinforcement plate is arranged below the component area, the magnetic steel sheet reinforcement plate is provided with two through holes, a metal shielding cover is arranged above the component area, the metal shielding cover covers the component area, and the metal shielding cover is grounded; the FPC copper layer close to one side of the magnetic steel sheet reinforcement plate is designed as a GND layer.

2. The FPC structure according to claim 1, characterized in that: The thickness of the magnetic steel sheet reinforcement plate is 0.1 mm to 0.35 mm.

3. The FPC structure according to claim 1, characterized in that: The metal shielding cover is welded to the GND layer.

4. The FPC structure according to claim 1, characterized in that: The FPC structure is a double-layer, triple-layer or multi-layer board.

5. The FPC structure according to claim 1, characterized in that: The FPC is provided with two connection ends, including a first connection end and a second connection end; wherein the first connection end adopts a plug-in design and is provided with a first PI reinforcement plate.

6. The FPC structure according to claim 5, characterized in that: A handle is provided on one side of the first PI reinforcement plate.

7. The FPC structure according to claim 5, characterized in that: A second PI reinforcement plate is provided at the second connection end.

8. An FPC structure according to any one of claims 1 to 7, characterized in that: The two through holes are arranged diagonally.

9. The FPC structure according to claim 5, characterized in that: The first connection end includes a metal PIN pin, and the metal PIN pin is connected to the touch screen.

10. The FPC structure according to claim 9, characterized in that: The second connection end is set as an 12C interface, and the 12C interface is connected to the mainboard.

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