FPC board welding structure

Abstract

The present application relates to an FPC board alignment welding structure. The FPC board alignment welding structure includes: a main screen FPC board, a backlight FPC board and a fixture. The main screen FPC board is provided with a first positioning hole; the backlight FPC board is provided with a second positioning hole, the backlight FPC board is arranged on the main screen FPC board, and the first positioning hole and the second positioning hole are flush with each other; a limiting column is arranged on the fixture, and the limiting column passes through the first positioning hole and the second positioning hole in sequence. The solution provided by the present application can accurately align the backlight FPC board and the main screen FPC board, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to an FPC board alignment welding structure. Background Art

[0002] At present, the backlight FPC board of the LCD module is welded to the main screen FPC board, and then connected to the terminal. However, due to assembly deviation, it is difficult to align the position of the backlight FPC board and the main screen FPC board directly for welding, and manual calibration is required, but manual calibration is troublesome and there will still be deviations. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an FPC board alignment welding structure, which can accurately align the backlight FPC board and the main screen FPC board and is easy to operate.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] The first aspect of the present application provides an FPC board alignment welding structure, including: a main screen FPC board, on which a first positioning hole is opened; a backlight FPC board, on which a second positioning hole is opened, the backlight FPC board is arranged on the main screen FPC board, and the first positioning hole and the second positioning hole are flush with each other; a clamp, on which a limiting column is arranged, and the limiting column passes through the first positioning hole and the second positioning hole respectively and sequentially.

[0006] The first positioning hole and the second positioning hole have the same aperture.

[0007] A central axis of the first positioning hole coincides with a central axis of the second positioning hole.

[0008] The cross-sectional structure of the first positioning hole is a circular cross-sectional structure.

[0009] The cross-sectional structure of the first positioning hole is the same as the cross-sectional structure of the second positioning hole.

[0010] It also includes a gold finger, which is arranged on the backlight FPC board.

[0011] It also includes a soldering pad, which is arranged on the gold finger.

[0012] The outer diameter of the limiting column is smaller than the hole diameter of the first positioning hole.

[0013] The main screen FPC board is also provided with a bending area.

[0014] It also includes a plug-in terminal, which is arranged on the main screen FPC board.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] By setting a first positioning hole on the main screen FPC board and a second positioning hole on the backlight FPC board, during the alignment process, you only need to align the first positioning hole with the second positioning hole, and then insert the limit column in the fixture to start welding. The operation is very simple, and the positioning accuracy is high, and no angle deviation will occur, thereby improving the product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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.

[0018] Figure 1 It is a structural schematic diagram of the FPC board alignment welding structure in one embodiment of the utility model. DETAILED DESCRIPTION

[0019] 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.

[0020] 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.

[0021] 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.

[0022] At present, the backlight FPC board of the LCD module is welded to the main screen FPC board, and then connected to the terminal. However, due to assembly deviation, it is difficult to align the position of the backlight FPC board and the main screen FPC board directly for welding, and manual calibration is required, but manual calibration is troublesome and there will still be deviations.

[0023] In response to the above problems, an embodiment of the present application provides an FPC board alignment welding structure, which can accurately align the backlight FPC board and the main screen FPC board and is easy to operate.

[0024] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1 A FPC board alignment welding structure includes: a main screen FPC board 100, a backlight FPC board 200 and a fixture, the main screen FPC board 100 is provided with a first positioning hole; the backlight FPC board 200 is provided with a second positioning hole 210, the backlight FPC board 200 is arranged on the main screen FPC board 100, and the first positioning hole and the second positioning hole 210 are flush with each other; a limiting column is arranged on the fixture, and the limiting column passes through the first positioning hole and the second positioning hole 210 in sequence.

[0026] It should be noted that by setting a first positioning hole on the main screen FPC board 100 and a second positioning hole 210 on the backlight FPC board 200, during the alignment process, it is only necessary to align the first positioning hole and the second positioning hole 210, and then insert the limit column in the fixture to perform welding. The operation is very simple, and the alignment accuracy is high, and no angle deviation will occur, thereby improving the product yield. Furthermore, the limit column can be set at the corresponding position of the fixture according to the alignment of the main screen FPC board 100 and the backlight FPC board 200, and the position of the limit column is generally located below the main screen FPC board 100.

[0027] See also Figure 1 In one embodiment, the first positioning hole has the same diameter as the second positioning hole 210. Specifically, the central axis of the first positioning hole coincides with the central axis of the second positioning hole 210. Specifically, the cross-sectional structure of the first positioning hole is a circular cross-sectional structure. Specifically, the cross-sectional structure of the first positioning hole is the same as the cross-sectional structure of the second positioning hole 210.

[0028] It should be noted that the first positioning hole and the second positioning hole 210 are both circular holes with the same aperture, and the purpose is to ensure that the main screen FPC board 100 and the backlight FPC board 200 are accurately aligned.

[0029] See also Figure 1In one embodiment, the FPC board alignment welding structure further includes a gold finger 300, and the gold finger 300 is disposed on the backlight FPC board 200. Specifically, the FPC board alignment welding structure further includes a soldering pad 400, and the soldering pad 400 is disposed on the gold finger 300.

[0030] It should be noted that the backlight FPC board 200 is soldered to the main screen FPC board 100 via the solder pads 400 .

[0031] See also Figure 1 In one embodiment, the outer diameter of the limiting column is smaller than the aperture of the first positioning hole. It should be noted that in order to ensure that the limiting column does not damage the first positioning hole and the second positioning hole 210 when inserted, the outer diameter of the limiting column will be slightly smaller than the aperture of the first positioning hole to ensure that the limiting column can be inserted and can clamp the main screen FPC board 100 and the backlight FPC board 200.

[0032] See also Figure 1 In one embodiment, a bending area 110 is also provided on the main screen FPC board 100 .

[0033] It should be noted that the bending area 110 is a bent portion of the main screen FPC board 100, which is used to be bent to the back side of the backlight module.

[0034] See also Figure 1 In one embodiment, the FPC board alignment welding structure further includes a plug-in terminal 500 , and the plug-in terminal 500 is disposed on the main screen FPC board 100 .

[0035] It should be noted that the plug end 500 is used to be inserted into a terminal to connect and communicate with the terminal.

[0036] 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.

[0037] 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 FPC board alignment welding structure, characterized in that: include: A main screen FPC board, wherein a first positioning hole is formed on the main screen FPC board; A backlight FPC board, wherein a second positioning hole is formed on the backlight FPC board, the backlight FPC board is arranged on the main screen FPC board, and the first positioning hole and the second positioning hole are flush with each other; A clamp is provided with a limiting column, and the limiting column is respectively penetrated by the first positioning hole and the second positioning hole in sequence.

2. The FPC board alignment welding structure according to claim 1, characterized in that: The first positioning hole and the second positioning hole have the same aperture.

3. The FPC board alignment welding structure according to claim 1, characterized in that: A central axis of the first positioning hole coincides with a central axis of the second positioning hole.

4. The FPC board alignment welding structure according to claim 1, characterized in that: The cross-sectional structure of the first positioning hole is a circular cross-sectional structure.

5. The FPC board alignment welding structure according to claim 1, characterized in that: The cross-sectional structure of the first positioning hole is the same as the cross-sectional structure of the second positioning hole.

6. The FPC board alignment welding structure according to claim 1, characterized in that: It also includes a gold finger, which is arranged on the backlight FPC board.

7. The FPC board alignment welding structure according to claim 6, characterized in that: It also includes a soldering pad, which is arranged on the gold finger.

8. The FPC board alignment welding structure according to claim 1, characterized in that: The outer diameter of the limiting column is smaller than the hole diameter of the first positioning hole.

9. The FPC board alignment welding structure according to claim 1, characterized in that: The main screen FPC board is also provided with a bending area.

10. The FPC board alignment welding structure according to claim 1, characterized in that: It also includes a plug-in terminal, which is arranged on the main screen FPC board.

Images