Fixing structure of LCD (liquid crystal display) screen and PCB (printed circuit board)

通过在LCD屏与PCB板之间引入金属导通件和连接器,解决了现有技术中焊锡连接难以拆卸的问题,实现了便捷拆卸和高良率的返修效果。

CN223093968UActive Publication Date: 2025-07-11TRULY SEMICON
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Patent Information

Application Number
CN202421937351.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-07-11
Estimated Expiration
2034-08-09

AI Technical Summary

Technical Problem

In the prior art, LCD screen with PIN pins is difficult to disassemble after being connected to the PCB board through solder, resulting in damage to the PCB board or PIN pin during rework, affecting product yield.

Method used

Metal conductors are used to electrically connect to the PCB board through a connector. The connector includes terminals, glue cores and tongues. The cross-section of the PIN pin is in a "7" shape, which facilitates the unplugging of the metal conductors from the connector and avoids damaging the PCB board and PIN pin.

Benefits of technology

It realizes convenient disassembly of the LCD screen, improves the product yield after repair, and avoids damage to the PCB board and PIN foot.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fixing structure for an LCD screen and a PCB. The fixing structure of the LCD screen and the PCB comprises a screen body, a metal conduction piece, a connector and the PCB, wherein the metal conduction piece is arranged on the screen body; the connector is electrically connected with the metal conduction piece; the connector is arranged on the PCB, and the connector is electrically connected with the PCB. According to the scheme provided by the invention, welding and fixing of the PINs and the PCB can be avoided, and the yield of the repaired product can be improved while the disassembly is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a fixing structure for an LCD screen and a PCB board. Background Art

[0002] In the related art, LCD screens with PIN feet are all connected and conducted with the PCB board through soldering, such as Figure 1 . However, the products after soldering are difficult to disassemble. When the LCD screen shows poor display and needs to be repaired, the PCB board or PIN feet are often damaged due to poor disassembly, affecting the yield of the products. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a fixing structure for an LCD screen and a PCB board, which can eliminate the soldering and fixing of the PIN feet and the PCB board. While being convenient for disassembly, it can also improve the yield of the products after repair.

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

[0005] The first aspect of the present application provides a fixing structure for an LCD screen and a PCB board, including: a screen body; a metal conduction member, the metal conduction member is arranged on the screen body; a connector, the connector is electrically connected with the metal conduction member; a PCB board, the connector is arranged on the PCB board, and the connector is electrically connected with the PCB board.

[0006] The connector includes terminals, a rubber core and a tongue piece, the tongue piece is rotatably arranged on the rubber core, and the terminals are arranged on the rubber core.

[0007] The metal conduction member includes a clamping portion and PIN feet, the clamping portion is arranged on the screen body, the PIN feet are arranged on the clamping portion, and the PIN feet are electrically connected with the terminals.

[0008] The cross-sectional structure of the PIN feet is "7" shaped.

[0009] The screen body includes a first glass plate and a second glass plate, the first glass plate is arranged on the second glass plate, and the clamping portion is arranged on the second glass plate.

[0010] The screen body further includes a first polarizing plate and a second polarizing plate, the first polarizing plate is arranged on the first glass plate, and the second polarizing plate is arranged on the second glass plate.

[0011] The length of the second glass plate is greater than the length of the first glass plate.

[0012] The first glass plate and the second glass plate are parallel to each other.

[0013] The first polarizer and the second polarizer are flush with each other.

[0014] The length of the first polarizer is equal to the length of the second polarizer.

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

[0016] In this application, the metal conduction member is electrically connected to the PCB board through a connector. When the screen needs to be repaired, the metal conduction member can be simply unplugged from the connector. The operation is not only convenient but also will not damage the PCB board and the PIN pins. 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 will be briefly introduced below.

[0018] Figure 1 is a schematic structural diagram of the prior art;

[0019] Figure 2 is a schematic structural diagram of the fixing structure of the LCD screen and the PCB board in an embodiment of the present utility model;

[0020] Figure 3 is a schematic structural diagram of another implementation manner of the fixing structure of the LCD screen and the PCB board in an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The embodiments of the present application will be described in more detail with reference to the drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth 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 the present application to describe various information, these 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 the present 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 with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specifically defined.

[0023] Unless otherwise clearly defined or limited, terms such as "installation", "connection", "attachment", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] Currently, LCD screens with PIN pins are all connected and conduct electricity with the PCB board through soldering, such as Figure 1 . However, the products after soldering are difficult to disassemble. When the LCD screen shows poor display and needs to be repaired, the PCB board or PIN pins are often damaged due to poor disassembly, affecting the yield of the products.

[0025] In view of the above problems, the embodiments of the present application provide a fixing structure for an LCD screen and a PCB board, which can eliminate the soldering and fixing of the PIN pins and the PCB board, facilitate disassembly, and improve the yield of the products after repair at the same time.

[0026] The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] Please refer to Figure 2 , a fixing structure for an LCD screen and a PCB board, including: a screen body 100, a metal conducting member 200, a connector 300 and a PCB board 400. The metal conducting member 200 is arranged on the screen body 100; the connector 300 is electrically connected to the metal conducting member 200; the connector 300 is arranged on the PCB board 400, and the connector 300 is electrically connected to the PCB board 400.

[0028] It should be noted that the screen body 100 is an LCD screen, the metal conducting member 200 is used to electrically connect the screen body 100 and the connector 300, and the connector 300 is used to electrically connect to the PCB board 400. In the present application, the metal conducting member 200 is electrically connected to the PCB board 400 through the connector 300. When the screen body 100 needs to be repaired, only the metal conducting member 200 needs to be unplugged from the connector 300. The operation is not only convenient, but also will not damage the PCB board 400 and the PIN pins 220.

[0029] Please refer to Figure 2 and Figure 3, in one embodiment, the connector 300 includes terminals 310, a rubber core 320, and a tongue piece 330. The tongue piece 330 is rotatably disposed on the rubber core 320, and the terminals 310 are disposed on the rubber core 320. Specifically, the metal conducting member 200 includes a clamping portion 210 and PIN pins 220. The clamping portion 210 is disposed on the screen body 100, and the PIN pins 220 are disposed on the clamping portion 210. The PIN pins 220 are electrically connected to the terminals 310. Specifically, the cross-sectional structure of the PIN pins 220 is "7"-shaped.

[0030] It should be noted that one end of the terminal 310 is soldered to the PCB board 400, and the other end of the terminal 310 is electrically connected to the PIN pins 220. The rubber core 320 is used to protect the terminals 310 and play an insulating role. The tongue piece 330 can be flipped. After the PIN pins 220 are inserted into the terminals 310, the tongue piece 330 can be used to press the PIN pins 220 to keep good contact. Further, the clamping portion 210 is the part clamped on the screen body 100 and is electrically connected to the screen body 100.

[0031] Please refer to Figure 2 , in one embodiment, the screen body 100 includes a first glass plate 110 and a second glass plate 120. The first glass plate 110 is disposed on the second glass plate 120, and the clamping portion 210 is disposed on the second glass plate 120. Specifically, the screen body 100 further includes a first polarizing plate 130 and a second polarizing plate 140. The first polarizing plate 130 is disposed on the first glass plate 110, and the second polarizing plate 140 is disposed on the second glass plate 120. Specifically, the length of the second glass plate 120 is greater than the length of the first glass plate 110. Specifically, the first glass plate 110 and the second glass plate 120 are parallel to each other. Specifically, the first polarizing plate 130 and the second polarizing plate 140 are flush with each other. Specifically, the length of the first polarizing plate 130 is equal to the length of the second polarizing plate 140.

[0032] It should be noted that a liquid crystal cell is formed between the first glass plate 110 and the second glass plate 120, and the first polarizing plate 130 and the second polarizing plate 140 play a role in polarizing light.

[0033] The solution of the present application has been described in detail with reference to the accompanying drawings above. In the above embodiments, the descriptions of the various embodiments have their own emphases. For the parts not detailedly described in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also know that the actions and modules involved in the specification are not necessarily essential to the present application. In addition, it can be understood that the steps in the method embodiments of the present application can be adjusted, combined, and deleted according to actual needs, and the modules in the device embodiments of the present application can be combined, divided, and deleted according to actual needs.

[0034] The embodiments of the present application have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, the practical application, or the improvement of technologies in the market, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A fixing structure for an LCD screen and a PCB board, characterized in that, Comprising: Screen body; Metal conduction member, the metal conduction member is disposed on the screen body; Connector, the connector is electrically connected to the metal conduction member; PCB board, the connector is disposed on the PCB board, and the connector is electrically connected to the PCB board.

2. The fixed structure of the LCD screen and the PCB board according to claim 1, characterized in that, The connector includes terminals, a rubber core and a tongue piece, the tongue piece is rotatably disposed on the rubber core, and the terminals are disposed on the rubber core.

3. The fixing structure of the LCD screen and the PCB board according to claim 2, characterized in that, The metal conduction member includes a clamping portion and PIN pins, the clamping portion is disposed on the screen body, the PIN pins are disposed on the clamping portion, and the PIN pins are electrically connected to the terminals.

4. The fixing structure of the LCD screen and the PCB board according to claim 3, wherein, The cross-sectional structure of the PIN pin is a "7" shape.

5. The fixing structure of the LCD screen and the PCB board according to claim 3, characterized in that, The screen body includes a first glass plate and a second glass plate, the first glass plate is disposed on the second glass plate, and the clamping portion is disposed on the second glass plate.

6. The fixing structure of the LCD screen and the PCB board according to claim 5, wherein, The screen body further includes a first polarizer and a second polarizer, the first polarizer is disposed on the first glass plate, and the second polarizer is disposed on the second glass plate.

7. The fixing structure of the LCD screen and the PCB board according to claim 5, characterized in that, The length of the second glass plate is greater than the length of the first glass plate.

8. The fixed structure of the LCD screen and the PCB board according to claim 7, characterized in that, The first glass plate and the second glass plate are parallel to each other.

9. The fixing structure of the LCD screen and the PCB board according to claim 6, characterized in that, The first polarizer and the second polarizer are flush with each other.

10. The fixing structure of the LCD screen and the PCB board according to claim 9, characterized in that, The length of the first polarizer is equal to the length of the second polarizer.