A liquid crystal module with replaceable back display surface

Abstract

This utility model discloses a liquid crystal module with a replaceable back display surface, including a top side and a bottom side. From front to back, it comprises a liquid crystal glass panel, an optical film, a light guide plate, and a back plate. The top side of the back plate is provided with a detachable silicone pad, allowing for assembly and replacement of the back plate by removing and installing the silicone pad. This utility model defines the overall structural layout and core replacement mechanism of the liquid crystal module. Specifically, the liquid crystal glass panel (the core component for image display) is arranged in layers from the top side to the bottom side, stacked sequentially from front to back. The optical film optimizes light propagation and improves display effect. The light guide plate evenly transmits light from the light source to the entire display surface. The back plate serves as the rear display carrier and structural support. The top side of the back plate is fixed by a detachable silicone pad, allowing users to quickly assemble and replace the back plate by removing and installing the silicone pad without disassembling other core components of the module.

Description

Technical Field

[0001] This utility model relates to the field of liquid crystal module technology, specifically to a liquid crystal module with a replaceable display surface on the back. Background Technology

[0002] With the rapid development of display technology, monitors, televisions, and other display products have become indispensable devices in people's lives and work. As consumer demands diversify, these products not only need to have excellent display effects and stable performance, but also face increasingly higher requirements in terms of appearance, production costs, and ease of maintenance.

[0003] Traditional edge-lit backlight modules, as core components of display products, have a relatively complex structure, typically including a backplate, fixing structures, LED tubes, and reflectors. From an assembly perspective, traditional modules require screws and clips to secure the components, necessitating additional manufacturing processes for these fixing structures and consuming significant manpower and time during assembly. For example, precise alignment of the fixing structures and strict control over screw tightening are crucial; otherwise, the module's flatness may be affected, leading to display defects. Furthermore, the multi-layered assembly method hinders production efficiency and mass production. In terms of cost, the use of various materials in the fixing structures (such as metal clips and plastic brackets) increases material costs, while the complex assembly process raises labor and equipment investment costs. Moreover, because the connections between components are relatively fixed, damage to any component often requires disassembly and repair of the entire module, further increasing maintenance costs. Utility Model Content

[0004] The present invention aims to overcome at least one of the defects of the prior art and provide a liquid crystal module with a replaceable display surface on the back, so as to achieve the purpose of simple structure, convenient assembly and low cost.

[0005] This utility model provides a liquid crystal module with a replaceable display surface on the back, including a top side end and a bottom side end. From the front to the back, it includes a liquid crystal glass plate, an optical film, a light guide plate, and a back plate. The top side end of the back plate is provided with a removable silicone pad, and the assembly and replacement of the back plate can be achieved by removing and installing the silicone pad.

[0006] This utility model defines the overall structural layout and core replacement mechanism of the LCD module. Specifically, the LCD glass panels are arranged sequentially from the top to the bottom edge, from the front to the back edge: the core component for image display; optical films: optimizing light propagation and improving display effect; light guide plates: uniformly transmitting light from the light source to the entire display surface; and a back plate: serving as the rear display carrier and structural support. The top edge of the back plate is fixed by a detachable silicone pad, allowing users to quickly assemble and replace the back plate by removing and installing the silicone pad without disassembling other core components of the module.

[0007] Compared to the complex structure of traditional LCD modules, this solution simplifies component arrangement through a "front-to-back stacked" layout, reducing redundant structural parts and clips. The detachable silicone pad design overcomes the limitations of traditional fixed connections between the back panel and the module, enabling non-destructive replacement of the back panel and solving the problem of fixed back patterns and lack of personalization in traditional display products. Furthermore, this structure allows for replacement without complex tools or specialized skills, reducing user difficulty and improving ease of use. From a production perspective, the simplified structure reduces assembly steps, shortens the production cycle, and lowers manufacturing costs. From a user experience perspective, different back panels with different patterns can be replaced according to needs, satisfying personalized decoration requirements and enhancing the product's usability and adaptability.

[0008] Preferably, the back panel is a glass back panel, and the outer surface of the glass back panel is provided with a pattern layer, which is a printed pattern or a laminated patterned film. Compared with traditional plastic or metal back panels, glass as a back panel has higher structural strength, better flatness, and more consistent light transmission. It can serve as a structural support to protect the internal components of the module while ensuring clear display of the pattern on the back. The two methods of forming the pattern layer each have their advantages: direct printing of patterns can achieve complex patterns with high precision and high adhesion, is wear-resistant and anti-aging, and is suitable for long-term use; laminating a patterned film is lower in cost and allows for more flexible pattern replacement, further reducing the cost of personalized adjustments. Furthermore, the light transmittance of the glass back panel, combined with the light transmission of the light guide plate, allows the back pattern to present a more uniform and softer display effect, improving the product's appearance and solving the problems of poor display effect and fixed patterns associated with traditional back panel materials.

[0009] Furthermore, the LCD module also includes a frame for fixing the top end, and the silicone pad is detachably connected to the frame. The frame design solves the problem of loose positioning of the top end components in traditional modules. By uniformly constraining each component through the frame, the overall structural stability of the module is improved, avoiding display distortion caused by component misalignment. The detachable connection between the silicone pad and the frame balances reliability and ease of replacement: the elasticity of the silicone pad provides flexible fixation for the back panel, avoiding damage to the glass back panel caused by rigid connections; simultaneously, the detachable design ensures that replacing the back panel does not require damaging the frame or other components, only the silicone pad needs to be removed and installed, further simplifying the replacement process. In addition, the cooperation between the frame and the silicone pad makes the stress on the top end more even, reducing local stress concentration and extending the module's lifespan, especially suitable for the structural stability requirements of large-size display products.

[0010] Preferably, the bezel includes an F-shaped frame and a mounting plate; the silicone pad is disposed between the F-shaped frame and the mounting plate; the F-shaped frame is used to fix the liquid crystal glass panel, optical film, and light guide plate; the top end of the back plate is embedded in the mounting groove formed by the F-shaped frame, silicone pad, and mounting plate. The combination structure of the F-shaped frame and the mounting plate solves the problem of the traditional bezel's single function. The multi-directional support surface of the F-shaped frame can separately position the liquid crystal glass panel, optical film, and light guide plate in layers, ensuring the relative positional accuracy of each component and avoiding uneven display brightness caused by light propagation obstruction and offset due to assembly deviations. The mounting groove design provides precise positioning space for the back plate. Combined with the elastic filling of the silicone pad, it can eliminate the gap between the back plate and the frame, and can adapt to glass back plates of different thicknesses through the deformation of the silicone pad. Furthermore, this modular bezel structure facilitates mass production and standardized assembly, reduces assembly errors during production, improves product consistency, and is suitable for large-scale mass production.

[0011] Furthermore, the F-shaped frame includes an edge-sealing portion, a first embedding portion, and a second embedding portion; the liquid crystal glass panel is disposed on the front side of the second embedding portion; the optical film and light guide plate are embedded between the first and second embedding portions; and the back plate is embedded in the mounting groove formed by the first embedding portion, the silicone pad, and the mounting plate. The layered design of the F-shaped frame (including the second embedding portion) solves the problem of "disorganized stacking and mutual interference" of traditional module components. Through physical space separation, the liquid crystal glass panel, optical film, light guide plate, and back plate are each located in an independent positioning area, ensuring that the functions of each component do not affect each other. The edge-sealing portion enhances the edge protection capability of the module, preventing external dust and moisture from entering the module. It also prevents users from touching internal components, thus avoiding safety hazards. In addition, the layered embedding method reduces assembly difficulty; workers can embed components sequentially into corresponding areas without complex alignment operations, improving assembly efficiency and reducing product defect rates due to human error.

[0012] Furthermore, a first double-sided foam adhesive is provided between the second embedded part and the liquid crystal glass panel. The adhesive achieves bonding and fixation through its stickiness, while its elasticity buffers external forces.

[0013] Furthermore, a cushioning foam is provided between the first embedded part and the back plate.

[0014] The inclusion of cushioning foam solves the problem of "rigid contact leading to easy wear" between the glass back panel and the first insert. Both the glass back panel and the F-frame are typically made of metal or rigid plastic, both being rigid materials. Direct contact can cause friction due to vibration or temperature variations, leading to wear on the glass back panel edges or scratches on the frame. The softness of the cushioning foam isolates the two from direct contact, absorbing vibration energy through its own deformation, such as swaying during product movement, reducing frictional loss. Simultaneously, the cushioning foam fills the tiny gaps between the first insert and the back panel, preventing the back panel from wobbling within the mounting groove and improving the module's structural stability. Furthermore, the cushioning foam provides some thermal insulation, reducing the impact of external ambient temperature on the back panel, such as high temperatures causing aging of the glass back panel's pattern layer, thus extending the back panel's lifespan.

[0015] Furthermore, the liquid crystal module also includes edge-sealing adhesive, which is disposed in the fixing groove formed by the first embedding part, the mounting plate and the second embedding part.

[0016] The edge-sealing adhesive solves the problems of loose component connections and poor sealing in traditional frame designs. After the first insert, the mounting plate, and the second insert are bonded together with the edge-sealing adhesive, they form a rigid whole, preventing relative displacement between components. The edge-sealing adhesive bonding method eliminates the need for additional fasteners such as screws, reducing material costs and assembly steps. Furthermore, the cured adhesive layer has a certain degree of elasticity, which can buffer component deformation caused by temperature changes, such as the thermal expansion and contraction of metal frames, preventing frame cracking and improving the module's environmental adaptability.

[0017] Furthermore, the ground side is also provided with a light strip and a heat sink, the heat sink forming a semi-enclosed space, and one end of the light strip abutting the light guide plate and located within the semi-enclosed space.

[0018] Furthermore, the ground side end is also provided with a rear shell and a front frame; the front frame is L-shaped, with one end attached to the liquid crystal glass panel and the other end provided with a threaded hole, and is fixed to the heat sink by screws; the top of the rear shell is provided with a slot, and the ground side end of the back plate is embedded in the slot; the ground side end of the liquid crystal module is also provided with a second double-sided foam adhesive for pasting the liquid crystal glass panel and the optical film.

[0019] The L-shaped front bezel design solves the problem of loose connection between the LCD glass panel and the ground-side structure. One end fits against the edge of the LCD glass panel to prevent warping, while the other end is fixed to the heat sink screws, connecting the front display components and the ground-side light source structure into a unified whole, improving the overall rigidity of the module. The rear shell slot and the mating with the ground-side end of the back panel work in conjunction with the mounting slot on the top side to form a coordinated fixation, preventing tilting or wobbling caused by the back panel relying solely on the top side for fixation. This ensures the back panel remains flat during use or replacement, improving the display effect of the back pattern. In addition, the rear shell, as a back protection structure, protects the LED strip, heat sink, and other components on the ground side from external impacts, while the front bezel conceals screws and other fasteners, improving the aesthetics of the product's front and solving the problem of "exposed screws affecting the appearance" in traditional modules.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention eliminates screws, clips, and other fasteners found in traditional modules, employing a layered frame embedding, foam adhesive bonding, and edge sealing design. This reduces the number of parts and assembly steps, lowering material costs and production time, resulting in overall cost reduction. The detachable connection between the silicone pad and the frame, along with the coordinated fixing of the top and bottom mounting slots on the back panel, enables non-destructive and rapid replacement of the glass back panel. Combined with the patterned design of the glass back panel, it meets users' personalized decoration needs, solving the pain point of fixed patterns on the back of traditional display products. Furthermore, the layered frame embedding, edge adhesive curing, and coordinated fixing of the front and rear frames enhance the overall rigidity of the module; the flexible structures such as buffer foam and double-sided foam adhesive reduce component wear and vibration impact; and the semi-enclosed design of the heat sink extends the life of the LED strip. The modular frame and compatible back panel design of this invention make it suitable for various side-lit backlight display products, such as televisions, monitors, and advertising screens, facilitating standardized production and reducing the development costs of different product models. Attached Figure Description

[0022] Figure 1 This is a schematic cross-sectional view of the overall structure of the liquid crystal module of this utility model.

[0023] Figure 2 This is a schematic cross-sectional view of the top side of the liquid crystal module of this utility model.

[0024] Figure 3 This is a schematic diagram of the F-shaped frame of the liquid crystal module of this utility model.

[0025] Figure 4 This is a schematic cross-sectional view of the ground side of the liquid crystal module of this utility model.

[0026] Figure 5 This is a schematic diagram of the ground side of the liquid crystal module of this utility model.

[0027] Figure 6 This is a schematic diagram of the back structure of the liquid crystal module of this utility model. Detailed Implementation

[0028] The accompanying drawings illustrate the technical solutions of this utility model in more detail. Throughout the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are only some, not all, of the embodiments of this utility model. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0029] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0030] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application. Example 1

[0031] like Figure 1 As shown, this embodiment provides a liquid crystal module with a replaceable rear display surface, including an upper side 100 and a lower side 200, combined with... Figure 2As shown, from front to back, the backplate includes a liquid crystal glass panel 1, an optical film 2, a light guide plate 3, and a backplate 4. The top end 100 of the backplate 4 is provided with a removable silicone pad 5, allowing for assembly and replacement of the backplate 4 by removing and installing the silicone pad 5. The backplate 4 is a glass backplate, and its outer surface is provided with a pattern layer, which is a printed pattern. The top end 100 of the backplate 4 also includes a frame 6 for fixing the top end 100. The frame 6 includes an F-shaped frame 61 and a mounting plate 62, with the silicone pad 5 disposed between the F-shaped frame 61 and the mounting plate 62. Figure 3 As shown, the F-shaped frame 61 includes an edge-sealing portion 611, a first embedding portion 612, and a second embedding portion 613; combined with Figure 2 As shown, the liquid crystal glass plate 1 is disposed on the front side of the second embedded part 613; the optical film 2 and the light guide plate 3 are embedded between the first embedded part 612 and the second embedded part 613; the back plate 4 is embedded in the mounting groove formed by the first embedded part 612, the silicone pad 5 and the mounting plate 62.

[0032] A first double-sided foam adhesive 7 is provided between the second embedding part 613 and the liquid crystal glass plate 1. A cushioning foam 8 is provided between the first embedding part 612 and the back plate 4. An edge-sealing adhesive 9 is also provided in the fixing groove formed by the first embedding part 612, the mounting plate 62 and the second embedding part 613.

[0033] like Figure 4 As shown, the ground side 200 of the liquid crystal module of this utility model is also provided with a light strip 10 and a heat sink 11. The heat sink 11 forms a semi-enclosed space, and one end of the light strip 10 abuts against the light guide plate 3 and is located within the semi-enclosed space. Combined with... Figures 5-6 As shown, the ground side end 200 is also provided with a rear shell 12 and a front frame 13; the front frame 13 is L-shaped, with one end attached to the liquid crystal glass plate 1, and the other end provided with a threaded hole 14, and fixed to the heat sink 11 by screws 15; the top of the rear shell 12 is provided with a slot 16, and the ground side end 200 of the back plate 4 is embedded in the slot 16; the ground side end 200 of the liquid crystal module is also provided with a second double-sided foam adhesive 17 for pasting the liquid crystal glass plate 1 and the optical film 2. Example 2

[0034] The difference between this embodiment and embodiment 1 is that a patterned film is attached to the back plate 4.

[0035] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the preferred embodiments above, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model should not depart from the spirit and scope of this utility model. Those skilled in the art can also make other changes within the spirit of this utility model for its design, as long as they do not deviate from the technical effect of this utility model. These changes made according to the spirit of this utility model should all be included within the scope of protection claimed by this utility model.

Claims

1. A liquid crystal module with a replaceable rear display surface, comprising an upper side (100) and a lower side (200), characterized in that, The back panel consists of a liquid crystal glass plate (1), an optical film (2), a light guide plate (3), and a back plate (4) arranged sequentially from front to back. The back plate (4) has a removable silicone pad (5) on its top side (100). The back plate (4) can be assembled and replaced by removing and installing the silicone pad (5).

2. The liquid crystal module according to claim 1, characterized in that, The back plate (4) is a glass back plate, and the outer surface of the glass back plate is provided with a pattern layer, which is a printed pattern or a patterned film.

3. The liquid crystal module according to claim 1, characterized in that, It also includes a frame (6) for fixing the top end (100), and the silicone pad (5) is detachably connected to the frame (6).

4. The liquid crystal module according to claim 3, characterized in that, The frame (6) includes an F-shaped frame (61) and a mounting plate (62); the silicone pad (5) is disposed between the F-shaped frame (61) and the mounting plate (62); the F-shaped frame (61) is used to fix the liquid crystal glass plate (1), the optical film (2) and the light guide plate (3); the top end (100) of the back plate (4) is embedded in the mounting groove formed by the F-shaped frame (61), the silicone pad (5) and the mounting plate (62).

5. The liquid crystal module according to claim 4, characterized in that, The F-shaped frame (61) includes an edge-covering portion (611), a first embedding portion (612), and a second embedding portion (613); the liquid crystal glass plate (1) is disposed on the front side of the second embedding portion (613); the optical film (2) and the light guide plate (3) are embedded between the first embedding portion (612) and the second embedding portion (613); the back plate (4) is embedded in the mounting groove formed by the first embedding portion (612), the silicone pad (5), and the mounting plate (62).

6. The liquid crystal module according to claim 5, characterized in that, A first double-sided foam adhesive (7) is provided between the second embedded part (613) and the liquid crystal glass plate (1).

7. The liquid crystal module according to claim 5, characterized in that, A cushioning foam (8) is provided between the first embedding part (612) and the back plate (4).

8. The liquid crystal module according to claim 5, characterized in that, It also includes edge-binding adhesive (9), which is disposed in the fixing groove formed by the first embedding part (612), the plate (62) and the second embedding part (613).

9. The liquid crystal module according to claim 1, characterized in that, The ground side end (200) is also provided with a light strip (10) and a heat sink (11). The heat sink (11) forms a semi-enclosed space. One end of the light strip (10) abuts against the light guide plate (3) and is located within the semi-enclosed space.

10. The liquid crystal module according to claim 9, characterized in that, The ground end (200) is also provided with a rear shell (12) and a front frame (13); the front frame (13) is L-shaped, with one end attached to the liquid crystal glass plate (1) and the other end provided with a threaded hole (14), and fixed to the heat sink (11) by screws (15); the top of the rear shell (12) is provided with a slot (16), and the ground end (200) of the back plate (4) is embedded in the slot (16); the ground end (200) of the liquid crystal module is also provided with a second double-sided foam adhesive (17) for pasting the liquid crystal glass plate (1) and the optical film (2).

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