Shockproof antistatic backlight module and display screen
By setting conductive strips between the upper and lower iron frames of the backlight module and filling the gaps, the problems of electrostatic discharge difficulties and abnormal noise in traditional backlight modules are solved, and higher anti-static ability and more stable connections are achieved.
Patent Information
- Application Number
- CN202421848346.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The clasping structure in traditional backlight modules leads to a gap between the upper and lower iron frames, and the static electricity cannot be effectively exported, resulting in the impact of static electricity on the backlight module and the display screen, and it is easy to cause abnormal noise in the on-board display screen.
A shock-proof anti-static backlight module is designed. By setting a conductive strip between the inner side of the upper iron frame and the outer side of the lower iron frame, the contact area is increased to quickly discharge static electricity, and the gap is filled with the buckle connection between several openings and the boss, and the connection is stable.
It effectively improves the anti-static ability of the backlight module and its display screen, reduces vibration and abnormal noise, and improves the quality of the display screen and car use experience.
Smart Images

Figure CN222992740U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display screens, in particular to an anti-seismic and anti-static backlight module and a display screen. Background Art
[0002] In a traditional backlight module, the backlight iron frame is fixed through the cooperation between the protrusions and buckles of the upper and lower iron frames. However, this fixed connection method of the buckling structure results in a large number of gaps between the upper and lower iron frames, making it impossible to effectively conduct static electricity through the connection between the iron frames when static electricity is generated. The existence of static electricity will have a great impact on the backlight module and its display screen. In addition, in a vehicle-mounted display screen, the existence of a large number of gaps is also likely to cause abnormal noises, affecting the quality of the display screen and the driving experience. Summary of the Utility Model
[0003] The purpose of the utility model is to solve the deficiencies in the prior art and propose a splicing type curved surface cover plate and a display module.
[0004] To achieve the above purpose, the utility model adopts the following technical solutions:
[0005] In a first aspect, an embodiment of the utility model provides an anti-seismic and anti-static backlight module, including: an upper iron frame, a lower iron frame, a backlight structure and a conductive strip;
[0006] The conductive strip is arranged between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame;
[0007] The backlight structure is arranged between the upper iron frame and the lower iron frame.
[0008] As a preferred embodiment of the utility model,
[0009] The side of the upper iron frame includes a plurality of openings;
[0010] The side of the lower iron frame includes a plurality of bosses;
[0011] The plurality of openings are respectively buckled and connected with the plurality of bosses.
[0012] As a preferred embodiment of the utility model,
[0013] The conductive strip is arranged in a hollowed-out manner at the buckling connection of the plurality of openings and the plurality of bosses.
[0014] As a preferred embodiment of the utility model,
[0015] The backlight structure includes a light source, a light guide plate and a reflective sheet;
[0016] The light source is arranged inside the side of the lower iron frame and at one end of the light guide plate;
[0017] The reflective sheet is attached to the back of the light guide plate.
[0018] As a preferred embodiment of the present invention,
[0019] The reflective sheet and the back of the light guide plate are bonded together by double-sided adhesive.
[0020] As a preferred embodiment of the present invention, the light source includes a plurality of LED lamp beads.
[0021] As a preferred embodiment of the present invention,
[0022] The backlight structure further includes a circuit board, the circuit board is fixed inside the side of the lower iron frame, and the plurality of LED lamp beads are electrically connected to the circuit board.
[0023] As a preferred embodiment of the present invention,
[0024] The backlight structure further includes a film sheet, and the film sheet covers the front of the light guide plate.
[0025] As a preferred embodiment of the present invention,
[0026] The film sheet includes a diffusion film, an upper brightness enhancement film and a lower brightness enhancement film;
[0027] The diffusion film, the upper brightness enhancement film and the lower brightness enhancement film are sequentially attached to the front of the light guide plate.
[0028] In a second aspect, an embodiment of the present invention further provides a display screen, including a display module and the anti-static and shock-proof backlight module as described in any embodiment of the present invention.
[0029] Compared with the prior art, the advantages and positive effects of the present invention are as follows:
[0030] The technical solution of the embodiment of the present invention can achieve the following through the above settings:
[0031] 1. By arranging the conductive strip between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame, the contact area between the upper iron frame and the lower iron frame is increased, so that static electricity can be quickly discharged, thereby improving the anti-static ability of the backlight module and its display screen;
[0032] 2. By arranging the conductive strip between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame, the gap between the side of the upper iron frame and the side of the lower iron frame is filled, so that the connection and contact between the two are more stable, reducing the vibration and abnormal noise of the backlight module and its display screen. Brief Description of the Drawings
[0033] Figure 1 FIG. 1 is a schematic structural diagram of an anti-seismic and anti-static backlight module provided by the present utility model;
[0034] Figure 2 FIG. 2 is a schematic structural diagram of an anti-seismic and anti-static backlight module provided by the present utility model;
[0035] Figure 3 FIG. 3 is a schematic structural diagram of a display screen provided by the present utility model. Detailed Description of the Preferred Embodiment
[0036] In order to more clearly understand the above objects, features and advantages of the present utility model, the following further describes the present utility model with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
[0037] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model may be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.
[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0039] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may also be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0040] Please refer to Figure 1 , in a first aspect, an embodiment of the present utility model provides an anti-seismic and anti-static backlight module, including: an upper iron frame 100, a lower iron frame 200, a backlight structure 300 and a conductive strip 400;
[0041] The conductive strip 400 is disposed between the inner side of the side of the upper iron frame 100 and the outer side of the side of the lower iron frame 200;
[0042] The backlight structure 300 is disposed between the upper iron frame 100 and the lower iron frame 200.
[0043] Wherein, the conductive strip can be conductive single-sided adhesive or conductive double-sided adhesive. Especially when using conductive double-sided adhesive, the stability of the connection between the upper iron frame and the lower iron frame is further improved.
[0044] The technical solution of the embodiment of the present utility model, by arranging the conductive strip between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame, not only increases the contact area between the upper iron frame and the lower iron frame, enables static electricity to be quickly discharged, thereby improving the antistatic ability of the backlight module and its display screen, but also fills the gap between the side of the upper iron frame and the side of the lower iron frame, thereby making the connection and contact between the two more stable and reducing the vibration and abnormal noise of the backlight module and its display screen.
[0045] As a preferred embodiment of the present utility model, referring to Figure 1 ,
[0046] The side of the upper iron frame 100 includes a plurality of openings 110;
[0047] The side of the lower iron frame 200 includes a plurality of bosses 210;
[0048] The plurality of openings 110 and the plurality of bosses 210 are snap-fitted and connected to each other.
[0049] Through the snap-fitting connection between the plurality of openings 110 and the plurality of bosses 210, the upper iron frame and the lower iron frame are fixedly connected, which is convenient for assembly production.
[0050] As a preferred embodiment of the present utility model, referring to Figure 1 ,
[0051] The conductive strip 400 is provided with a hollowed-out portion at the snap-fitting connection of the plurality of openings 110 and the plurality of bosses 210. Preferably, the thickness of the conductive strip 400 is the same as or about 1 mm greater than the gap between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame.
[0052] As a preferred embodiment of the present utility model, referring to Figure 2 ,
[0053] The backlight structure 300 includes a light source 310, a light guide plate 320 and a reflector 330;
[0054] The light source 310 is arranged inside the side of the lower iron frame 200 and is located at one end of the light guide plate 320;
[0055] The reflecting sheet 330 is attached to the back surface of the light guide plate.
[0056] As a preferred embodiment of the present invention,
[0057] The reflecting sheet 330 and the back surface of the light guide plate 320 are attached through a double-sided adhesive 360. Further, the reflecting sheet 330 and the lower iron frame 200 can also be attached through the double-sided adhesive 360, so that the backlight structure can be arranged on the lower iron frame through the connection between the reflecting sheet and the lower iron frame.
[0058] As a preferred embodiment of the present invention,
[0059] The light source 310 includes a plurality of LED lamp beads.
[0060] Through the above arrangement, the light emitted by the plurality of LED lamp beads enters the light guide plate 320, and through the reflection of the reflecting sheet 330, the light is emitted from the front VA area to realize the normal display function.
[0061] As a preferred embodiment of the present invention,
[0062] The backlight structure 300 further includes a circuit board 340. The circuit board 340 is fixed inside the side of the lower iron frame 200, and the plurality of LED lamp beads are electrically connected to the circuit board 340. Among them, the circuit board 340 can also be fixed inside the side of the lower iron frame 200 through the double-sided adhesive 360. Through the above arrangement, the circuit board can be externally connected to a client to make the light source emit light, and through the above arrangement, the light leakage loss can be reduced and the backlight brightness can be improved.
[0063] As a preferred embodiment of the present invention,
[0064] The backlight structure 300 further includes a film 350, and the film 350 covers the front surface of the light guide plate 320.
[0065] As a preferred embodiment of the present invention,
[0066] The film 350 includes a diffusion film 351, an upper brightness enhancement film 352, and a lower brightness enhancement film 353;
[0067] The diffusion film 351, the upper brightness enhancement film 352, and the lower brightness enhancement film 353 are sequentially attached to the front surface of the light guide plate 320.
[0068] The above arrangement can enhance the light-emitting effect or the light diffusion effect of the backlight module and improve the brightness.
[0069] In a second aspect, with reference to Figure 3 , an embodiment of the present utility model further provides a display screen, including a display module 10 and an anti-seismic and anti-static backlight module 20 as described in any embodiment of the present utility model.
[0070] As described above, the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any other form. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as the technical content of the technical solution of the present utility model is not departed from, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A shockproof antistatic backlight module, characterized in that: include: Upper iron frame, lower iron frame, backlight structure and conductive strips; The conductive strip is arranged between the inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame; The backlight structure is arranged between the upper iron frame and the lower iron frame.
2. The shockproof antistatic backlight module according to claim 1, characterized in that: The side of the upper iron frame includes a plurality of openings; The side of the lower iron frame includes a plurality of bosses; The plurality of openings are buckled and connected with the plurality of bosses one by one.
3. The shockproof antistatic backlight module according to claim 2, characterized in that: The conductive strip is hollowed out at the buckling connection between the plurality of openings and the plurality of bosses.
4. The shockproof antistatic backlight module according to claim 1, characterized in that: The backlight structure includes a light source, a light guide plate and a reflective sheet; The light source is arranged on the inner side of the side of the lower iron frame and located at one end of the light guide plate; The reflective sheet is attached to the back side of the light guide plate.
5. The shockproof antistatic backlight module according to claim 4, characterized in that: The reflective sheet is bonded to the back surface of the light guide plate by double-sided bonding.
6. The shockproof antistatic backlight module according to claim 4, characterized in that: The light source includes a plurality of LED lamp beads.
7. The shockproof antistatic backlight module according to claim 6, characterized in that: The backlight structure also includes a circuit board, which is fixed to the inner side of the side of the lower iron frame, and the plurality of LED lamp beads are electrically connected to the circuit board.
8. The shockproof antistatic backlight module according to claim 4, characterized in that: The backlight structure further includes a film, and the film covers the front side of the light guide plate.
9. The shockproof antistatic backlight module according to claim 8, characterized in that: The film comprises a diffusion film, an upper brightness enhancement film and a lower brightness enhancement film; The diffusion film, the upper brightness enhancement film and the lower brightness enhancement film are sequentially attached to the front surface of the light guide plate.
10. A display screen, characterized in that: The invention comprises a display module and a shockproof and antistatic backlight module as claimed in any one of claims 1 to 9.