Novel LED backlight source module display
By employing connecting strips, brackets, and sealing strips in the LCD display, the problem of backlight module loosening was solved, achieving stable LED module fixation and convenient film replacement, thus improving the reliability and lifespan of the display.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN PINGDUODUO ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-17
AI Technical Summary
The backlight modules of existing LCD screens are fixed by adhesive bonding, which is prone to loosening after long-term use, affecting work efficiency and making replacement inconvenient, thus affecting the performance reliability and lifespan of the screen.
The LED module is fixed by means of connecting and fixing strips, fixing brackets, sealing strips, etc., and is fixed by plugging and rotating grooves to avoid adhesion, ensuring the module is stable and easy to replace film and LED module.
This achieves stable fixing of the LED module, preventing loosening, improving work efficiency, facilitating the replacement of films and LED modules, and extending the lifespan of the display.
Smart Images

Figure CN224137587U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of liquid crystal display technology, and in particular relates to a novel LED backlight module display. Background Technology
[0002] LCD screens are a type of flat panel display that can be used in dashcams, in-vehicle displays, home appliances, and other applications. The advantages of LCD screens are low power consumption, small size, and low radiation. LCD screens use a liquid crystal solution in two polarizing materials. When an electric current passes through the liquid, the crystals rearrange to achieve the purpose of image formation.
[0003] The backlight module is one of the key components of an LCD screen. Its function is to provide sufficient brightness and a uniformly distributed light source so that images can be displayed properly. The LCD screen itself is a passive light-emitting element; it does not emit light but is illuminated by the backlight system beneath it. The backlight and the LCD screen together constitute the LCD module. Currently, most existing LCD screen backlight modules use adhesive bonding. After prolonged use, due to heat, the glued LED modules are prone to detachment, becoming loose, affecting work efficiency, and making replacement difficult, thus impacting the performance, reliability, and lifespan of the LCD screen. Utility Model Content
[0004] The purpose of this invention is to provide a novel LED backlight module display that avoids fixing the LED modules by methods such as adhesive bonding, thus preventing the LED modules from becoming loose and affecting work efficiency, and facilitating replacement.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A novel LED backlight module display includes a backlight module, which comprises an LED module and a reflective film mounted on the LED module. A liquid crystal panel is mounted on the side of the LED module away from the reflective film. A fixing frame is adhered to the outside of the liquid crystal panel. A connecting fixing strip is fixed inside the fixing frame. The connecting fixing strip is fixed inside the fixing frame. Two connecting fixing strips are provided on each side of the fixing frame. A connector is inserted between the connecting fixing strips. The connector is used to fix the LED module. A film insertion fixing member is provided on the side of the fixing frame.
[0007] Furthermore, the diaphragm insertion and fixing component includes a fixing frame that is slidably connected to both sides of the fixing frame. The fixing frame is provided with several through slots on the side facing the fixing frame. The through slots are used for the insertion and installation of diaphragms such as light enhancement modules, diffusers, light guide plates, reflectors, and polarizers.
[0008] Furthermore, the fixed frame is provided with sliding grooves on both sides, and a rotating groove is provided at one end of the sliding groove, and the sliding groove and the rotating groove are connected.
[0009] Furthermore, a sliding rod is fixed inside the fixing frame. The sliding rod is symmetrically arranged about the middle of the fixing frame. The sliding rod slides along the inside of the sliding groove. An abutting round head is slidably connected to the end of the sliding rod away from the fixing frame. A spring is fixed to the end of the abutting round head facing the end of the sliding rod. The other end of the spring is fixed inside the sliding rod.
[0010] Furthermore, the mounting bracket is fixed with an installation strip at the end away from the slide groove, and the installation strip has several through holes.
[0011] Furthermore, the connector includes a sealing strip, with both ends of the sealing strip snapped onto the outside of the connecting fixing strip, and the end of the connecting fixing strip away from the fixing frame inserted into the inside of the sealing strip. Both ends of the sealing strip are provided with slots, which are inserted into and fixed to the connecting fixing strip.
[0012] Furthermore, the seal has a groove in the middle, which faces the LED module and abuts against the surface of the LED module.
[0013] In summary, the beneficial technical effects of this utility model are as follows: When installing the aforementioned light enhancement modules, diffusers, light guide plates, reflective sheets, polarizers, and other films layer by layer on the LED backlight of the display, the films can be inserted one by one along specific through slots. After insertion, they are fixed by contact with a fixing bracket, with one end of each film extending into the fixing frame. The fixing bracket is used to contact between the fixing bracket and the fixing frame, which also facilitates the replacement of the films. Furthermore, the LED module is fixed with a sealing strip. After the LED module is installed and fixed, a reflective film is placed over it, with holes provided on the reflective film for the LED module to extend through. This avoids the need for fixing the LED module using adhesive methods, preventing the LED module from easily loosening, thus avoiding affecting work efficiency and facilitating replacement. Attached Figure Description
[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification, but do not constitute a limitation thereof. In the drawings:
[0015] Figure 1 This is a structural schematic diagram of a novel LED backlight module display according to this embodiment;
[0016] Figure 2 This is a cross-sectional view of a novel LED backlight module display according to this embodiment;
[0017] Figure 3 This is an internal schematic diagram of a novel LED backlight module display according to this embodiment;
[0018] Figure 4This embodiment describes a novel LED backlight module display. Figure 1 Enlarged view of point A in the middle;
[0019] Figure 5 This embodiment describes a novel LED backlight module display. Figure 2 Enlarged view of point B in the middle;
[0020] Figure 6 This embodiment describes a novel LED backlight module display. Figure 3 Enlarged diagram of point C in the middle.
[0021] In the diagram: 1. LED module; 2. Reflective film; 3. LCD panel; 4. Fixing frame; 5. Connecting fixing strip; 6. Fixing bracket; 7. Through groove; 8. Rotating groove; 9. Sliding groove; 10. Sliding rod; 11. Abutting round head; 12. Spring; 13. Mounting strip; 14. Through hole; 15. Sealing strip; 16. Card slot; 17. Groove. Detailed Implementation
[0022] The present invention will be further described in detail below with reference to the accompanying drawings.
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-6 This utility model provides a technical solution: a novel LED backlight module display, including a backlight module, the backlight module including an LED module 1 and a reflective film 2 installed on the LED module 1, a liquid crystal panel 3 installed on the side of the LED module 1 away from the reflective film 2, a fixing frame 4 is glued to the outside of the liquid crystal panel 3, a connecting fixing strip 5 is fixed inside the fixing frame 4, the connecting fixing strip 5 is fixed inside the fixing frame 4, two connecting fixing strips 5 are provided on each side of the fixing frame 4, a connector is inserted between the connecting fixing strips 5, the connector is used to fix the LED module 1, and a film insertion fixing member is provided on the side of the fixing frame 4.
[0025] In this embodiment, the diaphragm insertion and fixing component includes a fixing frame 6 slidably connected to both sides of the fixing frame 4. The fixing frame 4 has a plurality of through slots 7 facing the fixing frame 6. The through slots 7 are used for the insertion and installation of films such as light enhancement modules, diffusers, light guide plates, reflective sheets, and polarizers. The through slots 7 are evenly spaced, and the spacing is required to correspond to the thickness requirements of the films such as light enhancement modules, diffusers, light guide plates, reflective sheets, and polarizers. When installing the films such as light enhancement modules, diffusers, light guide plates, reflective sheets, and polarizers layer by layer, the films can be inserted one by one along the specific through slots 7. After insertion, they are fixed by the fixing frame 6. At the same time, one end of the film extends into the fixing frame 4, and the fixing frame 6 abuts against the fixing frame 4. This also facilitates the replacement of the films.
[0026] Meanwhile, sliding grooves 9 are provided on both sides of the fixed frame 4, and a rotating groove 8 is provided at one end of the sliding groove 9. The sliding groove 9 and the rotating groove 8 are connected.
[0027] A sliding rod 10 is fixed inside the fixed frame 6. The sliding rod 10 is symmetrically arranged about the middle of the fixed frame 6. The sliding rod 10 slides along the inside of the sliding groove 9. The end of the sliding rod 10 away from the fixed frame 6 is slidably connected to an abutting round head 11. A spring 12 is fixed to the end of the abutting round head 11 facing the sliding rod 10. The other end of the spring 12 is fixed inside the sliding rod 10.
[0028] When the diaphragm needs to be installed, the fixing frame 6 can be slidably pushed so that its sliding rod 10 moves along the sliding groove 9. After the sliding rod 10 moves into the rotating groove 8, the abutting round head 11 inside the sliding rod 10 automatically moves into the rotating groove 8 under the action of the spring 12 to make contact, so that the fixing frame 6 can rotate. Its rotation point is at the axis of the abutting round head 11. After rotating the fixing frame 6, it is convenient to install the diaphragm.
[0029] An installation strip 13 is fixed at the end of the fixed frame 6 away from the slide groove 9, and the installation strip 13 is provided with several through holes 14.
[0030] The connector includes a sealing strip, with both ends of the sealing strip snapped onto the outside of the connecting fixing strip 5. The end of the connecting fixing strip 5 away from the fixing frame 4 is inserted into the inside of the sealing strip. Both ends of the sealing strip 15 are provided with slots 16, which are inserted into and fixed to the connecting fixing strip 5.
[0031] The seal has a groove in the middle, and the groove faces the LED module 1 and abuts against the surface of the LED module 1.
[0032] The LED module 1 is fixed by a seal, and the seal has a slot to limit the position of the LED module 1. At the same time, the length of the connecting fixing strip 5 is fixed, and the length of the groove 17 is fixed. Thus, the installation position of the LED module 1 can be limited. When the size of the LED module 1 is changed, the seal with the corresponding groove width can be replaced.
[0033] The seal can be made of high-temperature resistant carbon fiber and other materials, and it also has good flexibility. After one end of the seal is inserted into the groove, the other end of the seal is inserted into the corresponding groove. The LED module 1 is fixed by two seals.
[0034] The seal and the groove are interference fit.
[0035] The working principle of this utility model is as follows: When installing the above-mentioned light enhancement modules, diffusers, light guide plates, reflectors, polarizers, and other films layer by layer, the films can be inserted one by one along the specific through slots 7. After insertion, they are fixed by contact with the fixing bracket 6. At the same time, one end of the film extends into the fixing frame 4, and the fixing bracket 6 is used to contact between the fixing bracket 6 and the fixing frame 4, which also facilitates the replacement of the films. Meanwhile, the LED module 1 is fixed with a sealing strip. After the LED module 1 is installed and fixed, the reflective film 2 is covered on the LED module 1. At the same time, holes for the LED module 1 to extend out are provided on the reflective film 2, thereby avoiding the use of methods such as adhesive bonding to fix the LED module 1, preventing the LED module 1 from easily loosening, thus avoiding affecting work efficiency and facilitating replacement.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0037] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A display based on a novel LED backlight module, comprising a backlight module, the backlight module comprising an LED module (1), and a light reflecting film (2) mounted on the LED module (1), characterized in that, The LED module (1) has a liquid crystal panel (3) installed on the side away from the reflective film (2). A fixing frame (4) is glued to the outside of the liquid crystal panel (3). A connecting fixing strip (5) is fixed inside the fixing frame (4). The connecting fixing strip (5) is fixed inside the fixing frame (4). Two connecting fixing strips (5) are provided on each side of the fixing frame (4). A connector is inserted between the connecting fixing strips (5). The connector is used to fix the LED module (1). A film insert fixing member is provided on the side of the fixing frame (4).
2. The novel LED backlight module display according to claim 1, wherein, The diaphragm insertion and fixing component includes a fixing frame (6) slidably connected to both sides of the fixing frame (4). The fixing frame (4) is provided with several through slots (7) facing the fixing frame (6). The through slots (7) are used for the insertion and installation of diaphragms such as light enhancement modules, diffusers, light guide plates, reflectors, and polarizers.
3. The novel LED backlight module display according to claim 2, wherein, The fixed frame (4) has sliding grooves (9) on both sides, and a rotating groove (8) is provided at one end of the sliding groove (9). The sliding groove (9) and the rotating groove (8) are connected.
4. The novel LED backlight module display according to claim 3, wherein, The fixed frame (6) has a sliding rod (10) fixed inside. The sliding rod (10) is symmetrically arranged about the middle of the fixed frame (6). The sliding rod (10) slides along the inside of the sliding groove (9). The end of the sliding rod (10) away from the fixed frame (6) is slidably connected to an abutting round head (11). A spring (12) is fixed to the end of the abutting round head (11) facing the sliding rod (10). The other end of the spring (12) is fixed inside the sliding rod (10).
5. The novel LED backlight module display according to claim 2, wherein, The mounting bracket (6) is fixed with an installation strip (13) at the end away from the slide groove (9), and the installation strip (13) is provided with several through holes (14).
6. The novel LED backlight module display according to claim 1, wherein, The connector includes a sealing strip (15), with both ends of the sealing strip (15) being snapped onto the outside of the connecting fixing strip (5). The end of the connecting fixing strip (5) away from the fixing frame (4) is inserted into the inside of the sealing strip (15). The sealing strip (15) has slots (16) at both ends, which are inserted into and fixed to the connecting fixing strip (5).
7. The novel LED backlight module display according to claim 6, wherein, The seal has a groove (17) in the middle, and the groove (17) faces the LED module (1) and abuts against the surface of the LED module (1).