Membrane material reinforcing structure of backlight membrane module

Abstract

The utility model relates to the field of backlight film groups, and discloses a film material reinforcing structure of a backlight film group, which comprises an outer frame and a rubber frame, an empty slot is arranged in the middle of the outer frame, a spring II is fixedly connected in the empty slot, a positioning component is arranged in the empty slot, and a fixing component is arranged outside the rubber frame; the positioning assembly comprises a clamping plate, the clamping plate is connected to the inner side of the outer frame in a sliding mode, the end of the second spring is fixedly connected to the outer portion of the clamping plate, the fixing assembly comprises a clamping groove, the clamping groove is fixedly connected to the outer portion of the rubber frame, and a sliding rod is connected to the middle of the outer frame in a sliding mode. According to the utility model, the rubber frame is prevented from displacement from multiple aspects by utilizing the clamping connection between the convex block and the groove, the extrusion of the clamping plate under the action of the spring II and the clamping connection between the clamping rod and the clamping groove, so that the stability of the whole backlight module structure is greatly enhanced, and the fault risk caused by the looseness of the structure is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of backlight film group, especially a film material reinforcing structure of backlight film group. BACKGROUND

[0002] The backlight module is one of important components of the liquid crystal display device. The liquid crystal display device comprises a liquid crystal display panel and a backlight module. The liquid crystal display panel itself cannot emit light, and needs the backlight module to provide a uniform surface light source to make the liquid crystal display panel display images normally.

[0003] The common backlight film group is mainly composed of a light guide plate, a film material, a reflection plate and a frame structure for fixing each component. The light guide plate is responsible for converting a point light source or a line light source into a surface light source. The film material bears the functions of light diffusion, light enhancement and light polarization. The reflection plate is installed at the bottom of the light guide plate and can reflect the leaked or scattered light back to the light guide plate to improve the light utilization rate.

[0004] The traditional fixing method is mainly simple clamping of a clamping groove or paste with glue. When the device is affected by external factors such as vibration and temperature change, the glue frame is prone to displacement, which further causes the relative position of the film material and the light guide plate and other components to change. The paste with glue is prone to adhesion decline caused by glue aging, which reduces the stability and reliability of the backlight film group and affects the overall display effect of the display device. Therefore, a film material reinforcing structure of a backlight film group is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a film material reinforcing structure of a backlight film group, aiming at improving the display effect problem that the paste with glue is prone to adhesion decline caused by glue aging in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A film material reinforcing structure of a backlight film group, comprising an outer frame and a glue frame, wherein a hollow slot is formed in the middle of the outer frame, a spring two is fixedly connected inside the hollow slot, a positioning assembly is installed inside the hollow slot, and a fixing assembly is installed outside the glue frame.

[0008] The positioning assembly comprises a clamping plate, the clamping plate is slidingly connected to the inner side of the outer frame, and the end of the spring two is fixedly connected to the outside of the clamping plate.

[0009] As a further description of the above technical scheme:

[0010] The fixing assembly comprises a clamping groove, the clamping groove is fixedly connected to the outside of the glue frame, a sliding rod is slidingly connected to the middle of the outer frame, a clamping rod is fixedly connected to the end of the sliding rod, and the clamping rod is clamped with the clamping groove.

[0011] As a further description of the above technical solutions:

[0012] The outer part of the sliding rod is fixedly connected with a limiting block, and the outer part of the sliding rod is sleeved with a spring one;

[0013] As a further description of the above technical solutions:

[0014] The inner side of the clamping plate is provided with a groove, the outer part of the rubber frame is fixedly connected with a protruding block, and the protruding block is clamped with the groove;

[0015] As a further description of the above technical solutions:

[0016] The outer part of the rubber frame is fixedly connected with a back plate, the outer part of the back plate is fixedly connected with a reflecting plate, and the outer part of the reflecting plate is fixedly connected with a light guide plate;

[0017] As a further description of the above technical solutions:

[0018] The outer part of the light guide plate is fixedly connected with a group of magnetic strips;

[0019] As a further description of the above technical solutions:

[0020] The inner side of the rubber frame is fixedly connected with a film material, and the outer part of the film material is fixedly connected with a group of magnetic strips;

[0021] As a further description of the above technical solutions:

[0022] The middle part of the outer frame is provided with a sliding groove, and the outer part of the sliding rod is slidingly connected in the inner part of the sliding groove.

[0023] The utility model has the advantages of:

[0024] 1、 the utility model discloses, through the protruding block and the recess clamping, the extrusion of clamping plate under the action of spring two and the clamping of clamping rod and clamping groove prevent the displacement of rubber frame from many aspects, greatly enhance the stability of the whole back light film group structure, reduce the failure risk caused by structure loosening.

[0025] 2、 the utility model discloses, film material and light guide plate are fixed through magnetic strip, guarantee the stability of light transmission and reflection, the reflecting plate is installed at the bottom of light guide plate, guarantees the normal play optical function of whole back light film group, through the reinforcing mode of clamping and spring auxiliary, when needing to install, dismount or maintain back light film group, operation is relatively simple, and it is convenient to quickly assemble and dismount, and it is convenient to replace damaged parts, improve the maintenance efficiency, and reduce the maintenance cost. DRAWINGS

[0026] Figure 1A three-dimensional schematic view of a membrane material reinforcing structure of a backlight film group is provided in the utility model.

[0027] Figure 2 A structure schematic view of a clamping plate of a membrane material reinforcing structure of a backlight film group is provided in the utility model.

[0028] Figure 3 A structure schematic view of a membrane material of a membrane material reinforcing structure of a backlight film group is provided in the utility model.

[0029] Figure 4 A structure schematic view of a sliding rod of a membrane material reinforcing structure of a backlight film group is provided in the utility model.

[0030] Figure 5 A structure schematic view of a groove of a membrane material reinforcing structure of a backlight film group is provided in the utility model.

[0031] Legend:

[0032] 1, outer frame; 2, clamping plate; 3, sliding rod; 4, membrane material; 5, sliding groove; 6, empty slot; 7, magnetic stripe; 8, rubber frame; 9, light guide plate; 10, reflecting plate; 11, back plate; 12, clamping groove; 13, protruding block; 14, spring one; 15, limiting block; 16, clamping rod; 17, spring two; 18, groove. Specific implementation

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Refer to Figure 1 , Figure 2 , Figure 3 and Figure 5The utility model provides a kind of film material reinforcing structure of backlight film group, including outer frame 1 and glue frame 8, the middle part of outer frame 1 is equipped with air slot 6, spring two 17 is fixedly connected in the inside of air slot 6, positioning assembly is installed in the inside of air slot 6, and fixed component is installed on the outside of glue frame 8;Positioning assembly includes clamping plate 2, clamping plate 2 is slidably connected in the inside of outer frame 1, the end of spring two 17 is fixedly connected in the outside of clamping plate 2, spring two 17 has certain elasticity, it can be according to the size, thickness etc. of glue frame 8 and film material 4 Certain degree of self-adapting adjustment, guarantee that clamping plate 2 has suitable extrusion pressure to glue frame 8 and film material 4 always, ensure the stability and reliability of reinforcing effect.The inside of clamping plate 2 is equipped with recess 18, and the outside of glue frame 8 is fixedly connected with lug 13, and lug 13 is connected with recess 18, when installing, through lug 13 is inserted into recess 18, so that glue frame 8 and clamping plate 2 are preliminarily fixed in position, ensure that each component of entire backlight film group can be accurately assembled together, guarantee the accuracy and standardization of structure, it is favorable to maintain the stability of optical performance and overall function of backlight film group.The outside of glue frame 8 is fixedly connected with backboard 11, the outside of backboard 11 is fixedly connected with reflector plate 10, the outside of reflector plate 10 is fixedly connected with light guide plate 9, after light is emitted from light guide plate 9, part of light will leak below light guide plate 9, reflector plate 10 can reflect this part of light back to light guide plate 9 again, return to panel side, reduce light loss, increase backlight brightness.The outside of light guide plate 9 is fixedly connected with a group of magnetic strips 7.The inside of glue frame 8 is fixedly connected with film material 4, the outside of film material 4 is fixedly connected with a group of magnetic strips 7, film material 4 is connected and fixed with light guide plate 9 by magnetic strip 7, film material 4 and light guide plate 9 are installed in the inside of glue frame 8, can be protected, also help to shield and constrain certain light, prevent light leakage.

[0035] Referring to Figure 1 - Figure 4, the fixed assembly includes a clamping groove 12 fixedly connected to the outside of the rubber frame 8, the middle part of the outer frame 1 is slidably connected with a sliding rod 3, the end of the sliding rod 3 is fixedly connected with a clamping rod 16, the clamping rod 16 is clamped with the clamping groove 12, when the backlight film group needs to be reinforced, the clamping rod 16 is inserted into the clamping groove 12 outside the rubber frame 8, which can further limit the movement of the rubber frame 8 and prevent the rubber frame 8 from moving in the horizontal or other directions. The stability of the overall structure of the backlight film group is enhanced, which can better withstand the influence of the external environment and reduce the decline of optical performance caused by loose structure. The outer part of the sliding rod 3 is fixedly connected with a limiting block 15, and the outer part of the sliding rod 3 is sleeved with a spring 14. The middle part of the outer frame 1 is provided with a sliding groove 5, and the outer part of the sliding rod 3 is slidably connected in the inner part of the sliding groove 5. The spring 14 can provide a certain elastic force for the clamping rod 16, so that the clamping of the clamping rod 16 and the clamping groove 12 is more closely, which effectively prevents the clamping rod 16 from accidentally coming out of the clamping groove 12 without external force, maintains its good optical performance and overall function, and prolongs the service life of the equipment.

[0036] Working principle: The film material 4 and the light guide plate 9 are fixedly connected with magnetic strips 7 outside, which can assist in fixing the film material 4 and the light guide plate 9, so that the connection between them remains stable, ensuring the stability of optical properties such as light transmission and reflection. The reflection plate 10 is installed at the bottom of the light guide plate 9. When the light is conducted from the light guide plate 9, the reflection plate 10 can reflect the leaked or scattered light back to the light guide plate 9, improve the utilization rate of light, and make the light propagate better through the light guide plate 9, providing uniform and stable backlight for the film material 4, so that the whole backlight film group can normally play its optical function. The film group is installed inside the rubber frame 8 and the back plate 11, and the convex block 13 outside the rubber frame 8 is clamped with the groove 18 inside the clamping plate 2 to fix the rubber frame 8 in the outer frame 1, preventing the rubber frame 8 from moving in the horizontal direction, enhancing the connection stability between the rubber frame 8 and the clamping plate 2, and making the structure of the whole backlight film group more stable. The clamping plate 2 extrudes and fixes the rubber frame 8 and its film material 4 under the action of the spring 17.

[0037] When the backlight film group needs to be reinforced, the clamping rod 16 is clamped with the clamping groove 12 outside the rubber frame 8, the outer part of the sliding rod 3 is sleeved with a spring 14, and the spring can provide a certain elastic force, so that the clamping of the clamping rod 16 and the clamping groove 12 is more closely, preventing the clamping rod 16 from accidentally coming out, and increasing the stability of the reinforcing structure of the film material 4 of the backlight film group.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A reinforcing structure of a film material of a backlight film set, comprising an outer frame (1) and a rubber frame (8), characterized in that: The middle part of the outer frame (1) is provided with an empty slot (6), the inside of the empty slot (6) is fixedly connected with spring two (17), the inside of the empty slot (6) is provided with a positioning assembly, the outside of the rubber frame (8) is provided with a fixing assembly; The positioning assembly includes a clamping plate (2), the clamping plate (2) is slidingly connected to the inner side of the outer frame (1), and the end of the spring two (17) is fixedly connected to the outside of the clamping plate (2).

2. The film reinforcement structure of a backlight film set according to claim 1, wherein: The fixing assembly includes a clamping groove (12), the clamping groove (12) is fixedly connected to the outside of the rubber frame (8), the middle part of the outer frame (1) is slidingly connected with a sliding rod (3), the end of the sliding rod (3) is fixedly connected with a clamping rod (16), and the clamping rod (16) is clamped with the clamping groove (12).

3. The film reinforcement structure of claim 2, wherein: The outside of the sliding rod (3) is fixedly connected with a limiting block (15), and the outside of the sliding rod (3) is sleeved with spring one (14).

4. The film reinforcement structure of claim 1, wherein: The inner side of the clamping plate (2) is provided with a groove (18), the outside of the rubber frame (8) is fixedly connected with a protruding block (13), and the protruding block (13) is clamped with the groove (18).

5. The film reinforcement structure of claim 1, wherein: The outside of the rubber frame (8) is fixedly connected with a back plate (11), the outside of the back plate (11) is fixedly connected with a reflecting plate (10), and the outside of the reflecting plate (10) is fixedly connected with a light guide plate (9).

6. The film reinforcement structure of a backlight film set according to claim 5, wherein: The outside of the light guide plate (9) is fixedly connected with a group of magnetic strips (7).

7. The film reinforcement structure of claim 1, wherein: The inside of the rubber frame (8) is fixedly connected with a film material (4), and the outside of the film material (4) is fixedly connected with a group of magnetic strips (7).

8. The film reinforcement structure of claim 2, wherein: The middle part of the outer frame (1) is provided with a sliding groove (5), and the outside of the sliding rod (3) is slidingly connected in the inside of the sliding groove (5).

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