Paster copper column for LED display screen module and LED display screen module

By setting circular grooves and double venting grooves in the soldering section of the patch copper pillar, the problem of poor soldering effect was solved, a more robust soldering effect was achieved, and the stability and service life of the LED display module were improved.

CN223809267UActive Publication Date: 2026-01-16DONGGUAN JINGZHUO PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520305480.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-16
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

The existing surface-mount copper pillars have poor soldering performance and are prone to loosening, affecting the stability and lifespan of the LED display module.

Method used

A surface-mount copper pillar for LED display modules has been designed. The welding section is equipped with a circular groove and double venting grooves to promote venting and solder flow. The inverted part of the welding section is locked with the solder layer to improve welding quality and firmness.

Benefits of technology

The welding quality has been improved, the welds are more robust and reliable, the welded parts are less likely to loosen, and the stability and service life of the LED display module have been enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of LED display, and relates to an LED display screen module and an SMD copper cylinder for the same, the SMD copper cylinder comprises a copper cylinder body, and the copper cylinder body comprises a welding section and a threaded section from front to back; the front face of the welding section is a patch supporting face, the patch supporting face is provided with a circular groove and a double-exhaust groove, the circular groove is located in the middle of the patch supporting face, one end of the double-exhaust groove is communicated with the circular groove, and the other end of the double-exhaust groove extends to the edge of the welding section; the beneficial effects of the utility model are that in the process of welding the patch copper column, the double exhaust grooves can promote the exhaust operation at the circular groove, prevent bubbles from being formed in the welding process, facilitate the improvement of the welding quality, promote the soldering tin to flow on the bonding pad, form a more uniform patch soldering tin layer, enable the welding effect of the patch copper column to be better, and enable the welding to be firmer and more reliable; therefore, the technical problem that the welding effect of the existing patch copper cylinder is not good is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to LED display technical field especially relates to a kind of patch copper column and LED display screen module for LED display screen module. BACKGROUND

[0002] With the continuous development of LED display technology, LED display screen is more and more widely used in various fields. LED display screen module is the core component of LED display screen, and its performance directly affects the display effect and service life of the whole display screen.

[0003] In LED display screen module, patch copper column is a common fixing and connecting element. The main role of patch copper column is to fix the lamp panel and the bottom shell together to ensure the stability and reliability of the whole module. The existing patch copper column is usually connected with the lamp panel by welding. Due to the influence of welding technology and welding materials, etc., bubbles may be generated during welding, affecting the welding quality and reducing the strength of the welded part. On the other hand, uneven flow of solder on the pad will cause the thickness of the patch solder layer to be uneven, resulting in poor welding effect of the patch copper column, and the welded part is prone to loosen under stress, thereby affecting the use effect of the whole LED display screen module. SUMMARY

[0004] (I) Technical problem to be solved

[0005] In view of the above shortcomings and deficiencies of the prior art, the utility model provides a kind of patch copper column and LED display screen module for LED display screen module, which solves the technical problem that the welding effect of the existing patch copper column is not very ideal.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model adopts the main technical scheme as follows:

[0008] Firstly, the utility model embodiment provides a kind of patch copper column for LED display screen module, which includes copper column body, the copper column body includes welding section and screw thread section from front to back, the screw thread section provides installation site for module bottom shell, and the welding section is used to be welded and fixed together with lamp panel;

[0009] The front of the welding section is provided as a patch support surface, the patch support surface is provided with a circular groove and a double-row air groove, the circular groove is located at the middle position of the patch support surface, and one end of the double-row air groove is communicated with the circular groove, and the other end extends to the edge of the welding section.

[0010] Optionally, the double-row air groove is provided with two groups symmetrically along the center of the circular groove.

[0011] Optionally, each group of the double-row air slots comprises two small slots arranged side by side.

[0012] Optionally, a diameter of a front end of the circular groove is smaller than a diameter of a rear end of the circular groove, so as to form an undercut position at a peripheral edge of the circular groove.

[0013] Optionally, the welding section is cylindrical, the welding section has a whole pie shape, and a diameter of the welding section is greater than a diameter of the welding section.

[0014] Optionally, the threaded section is provided with an internal thread.

[0015] In the second aspect, the utility model provides a kind of LED display screen module, including bottom shell, lamp plate and the preceding one kind of LED display screen module is used with patch copper column, the welding section of the copper column body is welded in the back of the lamp plate, bolt passes through bottom shell and is connected together with the threaded section of the copper column body.

[0016] (Three) beneficial effects

[0017] The utility model has the beneficial effects that:

[0018] 1, the utility model discloses a kind of LED display screen module is used with patch copper column and LED display screen module, because the patch support surface of the welding section of copper column body is provided with double-row air slot, double-row air slot extends from the circular groove of patch support surface to the outer wall of welding section, relative to prior art, in the process of welding patch copper column, double-row air slot can promote the exhaust operation at circular groove, prevent bubble from being formed in the welding process, help to improve welding quality, promote soldering tin to flow on pad simultaneously, form more uniform patch soldering tin layer, so that the welding effect of patch copper column is better, welding is more firm and reliable, not easy to be loosened under stress, solve the technical problem that the welding effect of existing patch copper column is not good.

[0019] 2, set up undercut position at the peripheral edge of circular groove, so that soldering tin is filled into circular groove, forms patch soldering tin layer between copper column bottom and PCB pad, and patch soldering tin layer and undercut position of circular groove are mutually locked and locked, and the welding of patch copper column is more reliable. DRAWINGS

[0020] Figure 1 It is the perspective schematic view of embodiment 1 of the utility model of a kind of LED display screen module is used with patch copper column and LED display screen module;

[0021] Figure 2 It is the front view schematic view of embodiment 1 of the utility model of a kind of LED display screen module is used with patch copper column and LED display screen module;

[0022] Figure 3 It is Figure 2One of the cross section schematic view of the patch copper column in the middle of the figure;

[0023] Figure 4 For Figure 2 The second cross section schematic view of the patch copper column in the middle of the figure;

[0024] Figure 5 The welding schematic view of the patch copper column of the embodiment 2 of the LED display screen module patch copper column and the LED display screen module.

[0025]

Explanation of reference signs

[0026] 1, thread section;

[0027] 2, welding section;

[0028] 3, patch support surface;

[0029] 4, reverse buckle position;

[0030] 5, circular groove;

[0031] 6, double exhaust groove;

[0032] 100, copper column body;200, patch solder layer;300, lamp panel. DETAILED DESCRIPTION

[0033] In order to better explain the utility model, so as to facilitate understanding, the following specific embodiments, the utility model is described in detail in conjunction with the drawings. Wherein, the "upper", "lower" and other orientation terms mentioned in this paper are with the orientation of the figure as the reference, and the direction of the welding section 2 is "front", and the direction of the thread section 1 is "back". Figure 1

[0034] The utility model discloses a kind of LED display screen module patch copper column and LED display screen module, wherein, patch copper column includes copper column body, the copper column body includes welding section and thread section from front to back, the thread section provides installation site for module bottom shell, the welding section is used to be welded together with lamp panel fixed;The front of the welding section is set as patch support surface, the patch support surface is provided with circular groove and double exhaust groove, the circular groove is located in the middle position of patch support surface, and one end of the double exhaust groove is communicated with the circular groove, the other end extends to the edge of the welding section, relative to prior art, relative to prior art, in the process of welding patch copper column, double exhaust groove can promote the exhaust operation at circular groove, prevent bubble from forming in the process of welding, help to improve welding quality, promote solder to flow on pad simultaneously, form more uniform welding point, make the welding effect of patch copper column better, welding is more firm and reliable, stress is not easy to loosen, solve the technical problem that the welding effect of existing patch copper column is poor. ​

[0035] In order to better understand the above technical solutions, the exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary 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 so that the present application can be more clearly, thoroughly understood and the scope of the present application can be completely conveyed to those skilled in the art.

[0036] Embodiment 1:

[0037] Referring to Figure 1 and Figure 2 , the present embodiment 1 provides a patch copper column for LED display screen module, which comprises a copper column body 100, the copper column body 100 comprises a welding section 2 and a threaded section 1 from front to back, the threaded section 1 provides a mounting position for the module bottom shell, and the welding section 2 is used for welding and fixing together with the lamp panel 300. The welding section 2 is cylindrical, the welding section 2 as a whole is in the shape of a round cake, and the diameter thereof is greater than that of the welding section 2.

[0038] Referring to Figure 1 , the front surface of the welding section 2 is provided as a patch support surface 3, the patch support surface 3 is provided with a circular groove 5 and a double-row air groove 6, the circular groove 5 is located at the middle position of the patch support surface 3, and one end of the double-row air groove 6 is communicated with the circular groove 5, and the other end extends to the edge of the welding section 2.

[0039] Referring to Figure 2 , as a feasible solution, the double-row air groove 6 is provided with two groups of the circular center symmetry along the circular groove 5.

[0040] Further, each group of the double-row air groove 6 comprises two small grooves arranged side by side, which facilitates faster exhaust operation during welding. The provision of two groups of double-row air grooves 6 can also guide soldering, accommodate more soldering, increase the welding area, and make the welding more firm.

[0041] Since the patch support surface 3 of the welding section 2 of the copper column body 100 is provided with the double-row air groove 6, the double-row air groove 6 extends from the circular groove 5 of the patch support surface 3 to the outer wall of the welding section 2. Compared with the prior art, the double-row air groove 6 can facilitate the exhaust operation at the circular groove 5 during the welding of the patch copper column, prevent the formation of air bubbles during the welding process, help to improve the welding quality, promote the flow of soldering on the solder pad, form a more uniform and flat patch soldering layer 200, make the welding effect of the patch copper column better, and make the welding more firm and reliable. The stress is not easy to loosen, and the technical problem of poor welding effect of the existing patch copper column is solved.

[0042] Referring to Figure 3 and Figure 4In some possible solutions, the diameter of the front end of the circular groove 5 is smaller than the diameter of the rear end of the circular groove 5, so as to form the undercut 4 at the four peripheral edges of the circular groove 5.

[0043] In actual application, the threaded section 1 is provided with an internal thread, and a bolt is connected together with the internal thread of the threaded section 1 by penetrating through the bottom shell.

[0044] Embodiment 2

[0045] With reference to Figures 1 to 5 On the basis of embodiment 1, the embodiment 2 provides an LED display module, which comprises a bottom shell, a lamp plate 300 and the aforementioned patch copper column for an LED display module, the welding section 2 of the copper column body 100 is welded to the back of the lamp plate 300, and a bolt is connected together with the threaded section 1 of the copper column body 100 by penetrating through the bottom shell.

[0046] During welding, solder is filled into the circular groove 5 to form a patch solder layer 200 between the bottom of the copper column and the PCB pad, and the patch solder layer 200 and the undercut 4 of the circular groove 5 are locked together, so that the welding of the patch copper column is more reliable, and the welding effect is better.

[0047] In the description of the present application, it should be understood that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0048] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature is "on", "above" and "on" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "under", "below" and "under" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.

[0050] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0051] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can modify, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A patch copper column for LED display screen module, characterized in that: The copper column body (100) comprises a welding section (2) and a threaded section (1) from front to back, the threaded section (1) provides a mounting position for the module bottom shell, and the welding section (2) is used for welding and fixing with the lamp panel (300); The front surface of the welding section (2) is provided with a patch support surface (3), the patch support surface (3) is provided with a circular groove (5) and a double air groove (6), the circular groove (5) is located at the middle position of the patch support surface (3), and one end of the double air groove (6) is communicated with the circular groove (5), and the other end extends to the edge of the welding section (2).

2. The patch copper column for LED display screen module according to claim 1, characterized in that: The double air groove (6) is provided with two groups of symmetrical circular grooves along the center of the circular groove (5).

3. The patch copper column for LED display screen module according to claim 2, characterized in that: The double air groove (6) comprises two small grooves arranged side by side.

4. The patch copper column for LED display screen module according to claim 1, characterized in that: The diameter of the front end of the circular groove (5) is smaller than that of the rear end, so as to form an undercut position (4) around the edge of the circular groove (5).

5. The patch copper column for LED display screen module according to claim 1, characterized in that: The welding section (2) is cylindrical, the welding section (2) is in the shape of a round cake as a whole, and the diameter of the welding section (2) is greater than that of the threaded section (1).

6. The patch copper column for LED display screen module according to claim 1, characterized in that: The threaded section (1) is provided with internal threads.

7. An LED display screen module, characterized in that: The copper column body (100) comprises a welding section (2) and a threaded section (1) from front to back, the threaded section (1) provides a mounting position for the module bottom shell, and the welding section (2) is used for welding and fixing with the lamp panel (300); The copper column body (100) comprises a welding section (2) and a threaded section (1) from front to back, the threaded section (1) provides a mounting position for the module bottom shell, and the welding section (2) is used for welding and fixing with the lamp panel (300);