Novel convenient transportation LED backlight module

Abstract

This utility model discloses a novel LED backlight module that is convenient for transportation, relating to the technical field of backlight module technology. The utility model includes an outer frame, with a baffle connected to the upper part of the inner side of the outer frame. Buckles are connected to both sides of the baffle, and a cushioning pad is connected to the bottom of the baffle. Through the baffle and buckles, this utility model effectively shields the light-shielding film and the bent flexible flat cable, preventing direct contact and friction with other modules during transportation. Simultaneously, the buckles securely fasten the baffle to the top of the outer frame, and the abutment between the baffle and the inner wall of the outer frame around its perimeter comprehensively restricts the vertical and horizontal displacement of the baffle, ensuring the stability of the protective structure and reducing the risk of damage to the light-shielding film and flexible flat cable. This facilitates the protection of the light-shielding film and flexible flat cable during transportation.

Description

Technical Field

[0001] This utility model relates to the field of backlight module technology, specifically a novel LED backlight module that is easy to transport. Background Technology

[0002] The LED backlight module is one of the core components of LCD display devices. It mainly consists of components such as an outer frame, reflective sheet, light guide plate, LED strips, diffuser sheet, prism sheet, light-shielding film, and flexible flat cable. Its core function is to emit light through LED strips, distribute the light evenly through the light guide plate, and then optimize the direction and uniformity of the light through optical elements such as diffuser sheet and prism sheet, ultimately providing stable and uniform backlight support for the LCD panel. It is a key component that determines the brightness and image quality of the display device.

[0003] Existing backlight modules have significant shortcomings in protection during transportation: the outermost light-shielding film is relatively thin, and the exposed flexible flat cables lack effective protection. Both are easily scratched by other modules or transport packaging, leading to problems such as damage to the light-shielding film and breakage of the flexible flat cables. To reduce the damage rate, the industry usually uses cardboard outer packaging combined with auxiliary protective materials such as blister packs, airbags, or foam boards. This not only occupies transport space and reduces the amount of transported, thus increasing transport costs, but also results in the waste of packaging materials. If protective measures are simplified, the product damage rate will increase significantly due to transportation bumps, stacking and squeezing, which will affect production efficiency and increase after-sales costs. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a new type of LED backlight module that is convenient to transport, so as to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel LED backlight module that is easy to transport, comprising an outer frame, a baffle connected to the upper part of the inner side of the outer frame, and buckles connected to both sides of the baffle, and a buffer pad connected to the bottom of the baffle.

[0006] By adopting the above technical solutions, the baffle can physically shield the light-shielding film and flexible cable on the top of the backlight module, preventing direct contact with other objects during transportation; the buckle can stably fix the baffle to the outer frame, preventing the baffle from falling off; and the buffer pad can form a buffer between the baffle and the internal components, reducing damage caused by collisions and friction. The three work together to achieve targeted protection for the key components of the backlight module.

[0007] Further, a reflector is connected to the lower part inside the outer frame, and a light guide plate and an LED light bar are respectively connected to the top of the reflector. A flexible flat cable is connected to one side of the LED light bar. A diffusion sheet is connected to the top of the light guide plate and the LED light bar, and a first prism sheet is connected to the top of the diffusion sheet. A second prism sheet is connected to the top of the first prism sheet, and a light-shielding film is connected to the top of the second prism sheet.

[0008] By adopting the above technical solution, a complete backlight emission and light optimization system is constructed: the LED light bar serves as a light source to provide basic light, the reflector improves the light utilization rate, the light guide plate realizes uniform light conduction, the diffusion sheet and the prism sheet optimize the light uniformity and front brightness in sequence, and the light-shielding film shields stray light to ensure high-quality backlight for the liquid crystal panel.

[0009] Further, the flexible flat cable is in a "7" shape, and the buffer pad abuts against the light-shielding film and the flexible flat cable.

[0010] By adopting the above technical solution, the "7" shape design bends the originally exposed flexible flat cable to the top of the light-shielding film, facilitating the baffle to shield both at the same time; the buffer pad directly contacts the light-shielding film and the flexible flat cable, absorbing the impact force during transportation, avoiding direct friction or collision between the baffle and the two, and improving the pertinence of protection.

[0011] Further, the baffle is detachably connected to the outer frame through a buckle.

[0012] By adopting the above technical solution, the detachable function of the baffle is realized, facilitating the quick removal of the baffle after transportation to the client side without affecting the normal assembly and use of the module; at the same time, the buckle connection method can ensure the stable connection between the baffle and the outer frame during transportation, preventing the baffle from loosening or falling off, and taking into account both the protection stability and the use convenience.

[0013] Further, reinforcing ribs are provided on the top of the baffle, and the cross-section of the bottom of the reinforcing ribs is in a "field" shape.

[0014] By adopting the above technical solution, the "field" shaped reinforcing ribs can significantly enhance the structural strength of the baffle, disperse the extrusion or collision force during transportation, effectively prevent the baffle from bending and deforming due to force, ensure that the shielding and protection effect of the baffle on the light-shielding film and the flexible flat cable is not affected, and extend the service life of the protection structure.

[0015] Further, the cross-section of the top of the reinforcing ribs on the top of the baffle is in a "square" shape, a groove is opened at the bottom of the outer frame, and the reinforcing ribs on the top of the baffle are adapted to the groove at the bottom of the outer frame.

[0016] By adopting the above technical solution, the matching design of the U-shaped reinforcing rib and the bottom groove of the outer frame enables precise docking when multiple backlight modules are stacked, which not only ensures the stability of the stack, but also limits the relative translation between modules and reduces damage caused by stacking friction; at the same time, the stacking design improves the utilization rate of transportation space and reduces transportation costs.

[0017] Furthermore, the cushioning pad is made of silicone rubber or TPU material, and the baffle and buckle are made of 304 stainless steel or POM material.

[0018] By adopting the above technical solutions, silicone rubber and TPU have good elasticity and wear resistance, ensuring that the cushioning pad can effectively absorb impact and reduce friction; 304 stainless steel has high strength and good corrosion resistance, and POM material has high hardness and excellent wear resistance. Both materials can ensure that the baffle and buckle can withstand squeezing and collision during transportation without being easily damaged, thus extending the cycle service life of the protective structure.

[0019] Furthermore, the longitudinal section of the groove at the bottom of the outer frame is an isosceles trapezoid.

[0020] By adopting the above technical solution, the isosceles trapezoidal groove design makes the contact surface between the reinforcing rib and the groove inclined when multiple modules are stacked or split, which can reduce the friction during stacking and splitting and facilitate operation; at the same time, the trapezoidal structure has better guidance, making the connection between the reinforcing rib and the groove smoother and more precise when stacking, thus improving stacking efficiency.

[0021] Furthermore, the buffer pad is fixedly connected to the baffle by adhesive bonding.

[0022] By adopting the above technical solution, the connection between the buffer pad and the baffle is ensured to be firm, and it is not easy to separate from the baffle and lose its buffering effect during transportation. At the same time, the bonding method facilitates quick assembly during production, and when the baffle is recycled and reused, the buffer pad can be removed together with the baffle without affecting other components of the module, ensuring the convenience of the recycling process.

[0023] In summary, the present invention has the following main advantages:

[0024] 1. This utility model, through the setting of baffles and buckles, can effectively shield the light-shielding film and the bent flexible flat cable, avoiding direct contact and friction with other modules during transportation; at the same time, the buckles can firmly fasten the baffle to the top of the outer frame, and combined with the abutment fit between the baffle and the inner wall of the outer frame, it can comprehensively restrict the vertical and horizontal displacement of the baffle, ensure the stability of the protective structure, reduce the risk of damage to the light-shielding film and flexible flat cable, and facilitate the protection of the light-shielding film and flexible flat cable during transportation;

[0025] 2. This utility model, through the setting of a buffer pad, utilizes the elastic properties of its silicone rubber or TPU material to form a buffer barrier between the baffle, the light-shielding film, and the flexible flat cable. This can absorb the impact force generated by transportation bumps, prevent the baffle from directly impacting the light-shielding film and the flexible flat cable, and reduce frictional damage among the three; thus further improving the protection effect on the light-shielding film and the flexible flat cable.

[0026] 3. This utility model, through the setting of baffles and outer frames, and the grid-shaped structure at the bottom of the reinforcing ribs, can significantly enhance the strength of the baffles themselves and reduce their bending deformation during stacking and compression; the matching design of the U-shaped top of the reinforcing ribs and the groove at the bottom of the outer frame is, firstly, to facilitate the stacking of multiple backlight modules and improve the utilization of transportation space, secondly, to limit the relative translation of stacked modules and reduce structural wear caused by displacement during stacking, and thirdly, the isosceles trapezoidal shape has no friction on the side walls during assembly and disassembly, reducing resistance during stacking and disassembly; reducing reliance on external protective materials and lowering transportation costs. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of this utility model;

[0028] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0029] Figure 3 This is a bottom view of the structure of this utility model;

[0030] Figure 4 This is a bottom view schematic diagram of the baffle structure of this utility model;

[0031] Figure 5 This is a schematic diagram of the side cross-section of the outer frame of this utility model when stacked;

[0032] Figure 6 This is a top view of the outer frame structure of this utility model.

[0033] In the diagram: 1. Outer frame; 2. Reflector sheet; 3. Light guide plate; 4. LED light strip; 5. Diffuser sheet; 6. First prism sheet; 7. Second prism sheet; 8. Light-shielding film; 9. Flexible flat cable; 10. Baffle; 11. Clip; 12. Buffer pad. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0035] The embodiments of this utility model will be described below based on its overall structure.

[0036] Example 1:

[0037] A new type of LED backlight module that is convenient for transportation, as Figures 1-5 shown, includes an outer frame 1. Above the inside of the outer frame 1, a baffle 10 is connected. On the top of the baffle 10, there are reinforcing ribs. The cross-section of the bottom of the reinforcing ribs is in the shape of a "field". The reinforcing ribs on the top of the baffle 10 play multiple roles. The "field" shape at the bottom enhances the strength of the baffle 10 itself and reduces its bending deformation due to extrusion. The cross-section of the top of the reinforcing ribs on the top of the baffle 10 is in the shape of a "square". A groove is opened at the bottom of the outer frame 1. The reinforcing ribs on the top of the baffle 10 are adapted to the groove at the bottom of the outer frame 1. The "square" shape at the top is adapted to the isosceles trapezoidal groove at the bottom of the outer frame 1 of other backlight modules, which is convenient for stable stacking of multiple modules. It not only improves the utilization rate of transportation space but also restricts the relative translation of the stacked modules through structural cooperation, reducing wear. On both sides of the baffle 10, there are connecting buckles 11. The baffle 10 and the buckles 11 are made of 304 stainless steel or POM materials. The baffle 10 is detachably connected to the outer frame 1 through the buckles 11 on both sides of it. The baffle 10 is buckled on the top of the outer frame 1 by the buckles 11 on both sides of it, and the periphery of the baffle 10 abuts against the inner wall of the outer frame 1, so as to realize the longitudinal and horizontal direction limiting of the baffle 10. At the bottom of the baffle 10, a buffer pad 12 is connected. The buffer pad 12 is made of silicone rubber or TPU materials. The buffer pad 12 abuts against the light-shielding film 8 and the flexible cable 9. Through the elastic characteristics of the buffer pad 12, a buffer is formed between the baffle 10 and the light-shielding film 8 and the flexible cable 9, avoiding the impact and friction caused by direct contact.

[0038] Refer to Figure 2 、 Figure 5 and Figure 6In the above embodiment, a reflective sheet 2 is connected to the lower part of the inner frame 1. The reflective sheet 2 reflects the received light to the light guide plate 3, thereby improving light utilization and reducing light loss. The top of the reflective sheet 2 is connected to the light guide plate 3 and the LED light strip 4. A flexible flat cable 9 is connected to one side of the LED light strip 4. The flexible flat cable 9 is in the shape of a "7". When the backlight module is installed in the display and is in working condition, the flexible flat cable 9 is connected to the power system of the display to power the LED light strip 4. The LED light strip 4 emits light first as the light source. Part of the light it emits is directly directed to the light guide plate 3, and the other part is directed to the reflective sheet 2. A diffuser 5 is connected to the top of the light guide plate 3 and the LED light strip 4. The diffuser 5 further diffuses the light through its internal microparticle or texture structure. The diffuser 5 disperses light, eliminating potential light spots or uneven brightness caused by the light guide plate 3, making the light more uniform and softer. The top of the diffuser 5 is connected to the first prism sheet 6, and the top of the first prism sheet 6 is connected to the second prism sheet 7. The light processed by the diffuser 5 then enters the first prism sheet 6 and the second prism sheet 7. The prism structure on the surface of the prism sheet adjusts the angle of the light, converging the dispersed light towards the LCD panel, thereby improving the brightness of the front of the backlight module and enhancing the display effect. The top of the second prism sheet 7 is connected to the light shielding film 8, which blocks stray light from the edge of the module, preventing light leakage from non-display areas, ensuring the contrast and clarity of the displayed image, and ensuring that the entire backlight module provides stable, uniform, and high-quality light support for the LCD panel.

[0039] Example 2:

[0040] Based on the above embodiment one, in order to reduce the resistance during stacking and splitting, the following settings are now implemented.

[0041] See Figure 2 , Figure 3 and Figure 5 In the above embodiment, the longitudinal section of the bottom groove of the outer frame 1 is an isosceles trapezoid. The design of the isosceles trapezoidal groove can reduce the resistance during stacking and splitting.

[0042] Example 3:

[0043] Based on the above embodiment 1, in order to reduce the occurrence of the buffer pad 12 falling off, the following settings are now implemented.

[0044] See Figure 4 In the above embodiment, the buffer pad 12 is fixedly connected to the baffle 10 by adhesive. Customer staff can remove the baffle 10 by unfastening the buckle 11. Since the buffer pad 12 is fixed to the baffle 10 by adhesive, it will be removed together with the baffle 10.

[0045] The implementation principle of this utility model is as follows: First, after the backlight module is completed and assembled, the reflector 2, light guide plate 3, and LED light strip 4 are sequentially connected to the lower part of the inner frame 1. The diffuser 5 is connected to the top of the light guide plate 3 and LED light strip 4. The first prism sheet 6 and the second prism sheet 7 are sequentially connected to the top of the diffuser 5. The light shielding film 8 is then connected to the top of the second prism sheet 7. The manufacturer's staff bends the flexible flat cable 9 into a "7" shape and places it on top of the light shielding film 8, so that the originally exposed flexible flat cable 9 and the light shielding film 8 are together in the area that needs protection. Then, the manufacturer's staff attaches a baffle with a buffer pad 12 to the bottom. The baffle 10 is placed inside the upper part of the outer frame 1, ensuring that the buffer pad 12 abuts against the light-shielding film 8 and the flexible flat cable 9. The elastic properties of the buffer pad 12 form a buffer between the baffle 10 and the light-shielding film 8 and the flexible flat cable 9, avoiding impact and friction caused by direct contact. At the same time, the buckles 11 on both sides of the baffle 10 are used to fasten the baffle 10 to the top of the outer frame 1, and the baffle 10 abuts against the inner wall of the outer frame 1 on all sides, thereby limiting the longitudinal and horizontal directions of the baffle 10, reducing the possibility of the baffle 10 falling off or shifting during transportation, thereby stabilizing the light-shielding film 8 and the flexible flat cable 9 and preventing them from contacting and scratching other modules.

[0046] During transportation, the reinforcing ribs at the top of the baffle 10 play multiple roles, while the grid-shaped ribs at the bottom enhance the strength of the baffle 10 itself and reduce its deformation due to compression and bending. The square-shaped ribs at the top are compatible with the isosceles trapezoidal grooves at the bottom of other backlight module frames 1, which facilitates the stable stacking of multiple modules. This not only improves the utilization of transportation space, but also limits the relative translation of stacked modules through structural cooperation, reducing wear. Furthermore, the design of the isosceles trapezoidal grooves can reduce the resistance during stacking and splitting.

[0047] Once the module is transported to the customer, the customer's staff can remove the baffle 10 by unfastening the buckle 11. Since the cushioning pad 12 is fixed to the baffle 10 by adhesive, it will be removed along with the baffle 10. At this time, the module is restored to a normal working state. The removed baffle 10, buckle 11, and cushioning pad 12 can be sent back to the manufacturer. After inspection and confirmation that there is no damage, they can be reused for the transportation protection of new modules, achieving recycling. Compared with traditional cardboard boxes, foam, and other structures that require independent packaging for each backlight module, this method takes up less space and increases transportation volume. Moreover, the baffle 10, buckle 11, and cushioning pad 12 only need to be checked for damage. If there is no damage, they can be directly recycled. Traditional cardboard boxes, foam, and other structures require reprocessing and production. Therefore, the cost of this application is also lower. Of course, the baffle 10, buckle 11, and cushioning pad 12 can not only be used for long-distance transportation between backlight module manufacturers and display manufacturers, but also for inter-workshop transfers, facilitating the protection of backlight modules during transportation.

[0048] When the backlight module is installed in the monitor and in operation, the flexible flat cable 9 connects to the monitor's power system to power the LED strip 4. The LED strip 4, as the light source, emits light first. Part of the light emitted is directed directly to the light guide plate 3, while the other part is directed to the reflector 2. The reflector 2 reflects the received light back to the light guide plate 3, thereby improving light utilization and reducing light loss. The light guide plate 3, as the core component for light transmission and homogenization, internally conducts the light directly emitted from the LED strip 4 and the light reflected from the reflector 2. During the transmission process, the light is scattered by the microstructure on the surface of the light guide plate 3, causing the light to be emitted evenly from the upper surface of the light guide plate 3, avoiding uneven brightness. The light emitted from plate 3 then enters diffuser 5. Diffuser 5 further scatters the light through its internal microparticles or texture structure, eliminating light spots or uneven brightness that may be caused by light guide plate 3, making the light more uniform and soft. The light processed by diffuser 5 then enters the first prism sheet 6 and the second prism sheet 7. The prism structure on the surface of the prism sheet adjusts the angle of the light, converging the dispersed light towards the LCD panel, thereby improving the front brightness of the backlight module and enhancing the display effect. The topmost light-shielding film 8 blocks stray light from the edge of the module, preventing light leakage from non-display areas, ensuring the contrast and clarity of the displayed image, and ensuring that the entire backlight module provides stable, uniform, and high-quality light support for the LCD panel.

[0049] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A novel LED backlight module that is easy to transport, comprising an outer frame (1), characterized in that: Above the interior of the outer frame (1), a baffle (10) is connected, and buckles (11) are connected to both sides of the baffle (10). A buffer pad (12) is connected to the bottom of the baffle (10).

2. The novel convenient-to-transport LED backlight module according to claim 1, characterized in that: Below the interior of the outer frame (1), a reflective sheet (2) is connected, and a light guide plate (3) and an LED light strip (4) are respectively connected to the top of the reflective sheet (2). A flexible cable (9) is connected to one side of the LED light strip (4). A diffusion sheet (5) is connected to the top of the light guide plate (3) and the LED light strip (4), and a first prism sheet (6) is connected to the top of the diffusion sheet (5). A second prism sheet (7) is connected to the top of the first prism sheet (6), and a light-shielding film (8) is connected to the top of the second prism sheet (7).

3. The novel convenient-to-transport LED backlight module according to claim 2, characterized in that: The flexible cable (9) is in a "7" shape, and the buffer pad (12) abuts against the light-shielding film (8) and the flexible cable (9).

4. The novel convenient-to-transport LED backlight module according to claim 1, characterized in that: The baffle (10) is detachably connected to the outer frame (1) through the buckle (11).

5. The novel convenient-to-transport LED backlight module according to claim 1, characterized in that: Reinforcing ribs are provided on the top of the baffle (10), and the cross-section of the bottom of the reinforcing ribs is in a "field" shape.

6. The novel convenient-to-transport LED backlight module according to claim 5, characterized in that: The cross-section of the top of the reinforcing ribs on the top of the baffle (10) is in a "square" shape. A groove is provided at the bottom of the outer frame (1), and the reinforcing ribs on the top of the baffle (10) are adapted to the groove at the bottom of the outer frame (1).

7. The novel convenient-to-transport LED backlight module according to claim 4, characterized in that: The buffer pad (12) is made of silicone rubber or TPU material, and the baffle (10) and the buckle (11) are made of 304 stainless steel or POM material.

8. The novel convenient-to-transport LED backlight module according to claim 6, characterized in that: The longitudinal cross-section of the groove at the bottom of the outer frame (1) is an isosceles trapezoid.

9. The novel convenient-to-transport LED backlight module according to claim 7, characterized in that: The buffer pad (12) is fixedly connected to the baffle (10) by bonding.

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