Antistatic backlight module and display screen

By setting a conductive layer between the upper iron frame and the lower iron frame of the backlight module, the problem of electrostatic conduction of traditional backlight modules is solved, the anti-static ability is improved and vibration fixed buffer is provided.

CN222992739UActive Publication Date: 2025-06-17TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202421847687.8
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

Technical Problem

The iron frame gap in traditional backlight modules makes it difficult to export static electricity, affecting the performance of the backlight module and display screen.

Method used

An anti-static backlight module is designed to increase the contact area between the upper iron frame and the lower iron frame to promote static discharge by setting a conductive layer (such as aluminum foil or copper foil) between the upper iron frame and the lower iron frame.

Benefits of technology

It effectively improves the antistatic ability of the backlight module and its display screen, and provides a fixed buffering effect during vibration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The embodiment of the utility model provides an antistatic backlight module and a display screen. The antistatic backlight module comprises an upper iron frame, a lower iron frame, a backlight structure and a conductive layer, the inner side of the side edge of the upper iron frame and the outer side of the side edge of the lower iron frame are connected through a buckling structure. The backlight structure is arranged between the upper iron stand and the lower iron stand; the conductive layer is attached to the outer side of the side edge of the upper iron frame and the back face of the lower iron frame at the same time. By means of the arrangement, the conductive layer is attached to the outer side of the side edge of the upper iron frame and the back face of the lower iron frame at the same time, the contact area between the upper iron frame and the lower iron frame is increased, static electricity can be rapidly discharged, and therefore the anti-static capacity of the backlight module and the display screen of the backlight module is improved; and an iron frame and backlight can be fixed and buffered during vibration.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to an antistatic 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 causes a large number of gaps between the upper and lower iron frames, resulting in the inability 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. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to provide an antistatic backlight module and a display screen.

[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 antistatic backlight module, including: an upper iron frame, a lower iron frame, a backlight structure and a conductive layer;

[0006] The inner side of the side of the upper iron frame is connected to the outer side of the side of the lower iron frame by a buckling structure;

[0007] The backlight structure is arranged between the upper iron frame and the lower iron frame;

[0008] The conductive layer is simultaneously attached to the outer side of the side of the upper iron frame and the back of the lower iron frame.

[0009] As a preferred embodiment of the utility model, the conductive layer is aluminum foil or copper foil.

[0010] As a preferred embodiment of the utility model, the side of the upper iron frame includes a plurality of openings;

[0011] The side of the lower iron frame includes a plurality of bosses;

[0012] The plurality of openings are buckled with the plurality of bosses one by one to form the buckling structure connection.

[0013] As a preferred embodiment of the utility model, the backlight structure includes a light source, a light guide plate and a reflector;

[0014] The light source is arranged on the inner side of the side of the lower iron frame and at one end of the light guide plate;

[0015] The reflector is attached to the back of the light guide plate.

[0016] As a preferred embodiment of the present utility model, the reflective sheet and the back surface of the light guide plate are bonded together by double-sided adhesive.

[0017] As a preferred embodiment of the present utility model, the light source includes a plurality of LED lamp beads.

[0018] As a preferred embodiment of the present utility model, 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.

[0019] As a preferred embodiment of the present utility model, the backlight structure further includes a film, and the film covers the front surface of the light guide plate.

[0020] As a preferred embodiment of the present utility model, the film includes a diffusion film, an upper brightness enhancement film, and a lower brightness enhancement film;

[0021] 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.

[0022] In a second aspect, an embodiment of the present utility model further provides a display screen, including a display module and an antistatic backlight module as described in any embodiment of the present utility model.

[0023] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0024] With the technical solution of the embodiment of the present utility model, through the above settings, the conductive layer (such as copper foil or aluminum foil) is simultaneously attached to the outer side of the side of the upper iron frame and the back surface of the lower iron frame, which 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 can play a role in fixing and buffering the iron frame and the backlight during vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of an antistatic backlight module provided by the present utility model;

[0026] Figure 2 is a schematic structural diagram of an antistatic backlight module provided by the present utility model;

[0027] Figure 3 is a schematic structural diagram of a display screen provided by the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] In order to more clearly understand the above-mentioned objects, features, and advantages of the present utility model, the present utility model will be further described below in conjunction with 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.

[0029] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also 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.

[0030] 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 accompanying 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 to the present utility model.

[0031] In the present utility model, unless otherwise clearly specified and defined, 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 integrated; 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.

[0032] Please refer to Figure 1 , in the first aspect, an embodiment of the present utility model provides an antistatic backlight module, including: an upper iron frame 100, a lower iron frame 200, a backlight structure 300, and a conductive layer 400;

[0033] A snap-fit structure is used to connect 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;

[0034] The backlight structure 300 is disposed between the upper iron frame 100 and the lower iron frame 200;

[0035] The conductive layer 400 is simultaneously attached to the outer side of the side of the upper iron frame 100 and the back surface 200 of the lower iron frame.

[0036] With the technical solution of the embodiment of the present utility model, through the above settings, the conductive layer (such as copper foil or aluminum foil) is simultaneously attached to the outer side of the side of the upper iron frame and the back of the lower iron frame, which not only increases the contact area between the upper iron frame and the lower iron frame, enables the rapid discharge of static electricity, thereby enhancing the antistatic ability of the backlight module and its display screen, but also can play a role in fixing and buffering the iron frame and the backlight during vibration.

[0037] As a preferred embodiment of the present utility model, the conductive layer 400 is aluminum foil or copper foil. The above settings can enable the rapid discharge of static electricity.

[0038] As a preferred embodiment of the present utility model, the side of the upper iron frame 100 includes a plurality of openings 110;

[0039] The side of the lower iron frame 200 includes a plurality of protrusions 210;

[0040] The plurality of openings 110 and the plurality of protrusions 210 are snap-fitted to form the snap-fitting structure connection.

[0041] Through the snap-fitting structure connection formed by the plurality of openings 110 and the plurality of protrusions 210, the upper iron frame and the lower iron frame are fixedly connected, facilitating assembly production.

[0042] As a preferred embodiment of the present utility model, the backlight structure 300 includes a light source 310, a light guide plate 320, and a reflector 330;

[0043] The light source 310 is disposed inside the side of the lower iron frame 200 and at one end of the light guide plate 320;

[0044] The reflector 330 is attached to the back of the light guide plate.

[0045] As a preferred embodiment of the present utility model, the reflector 330 and the back of the light guide plate 320 are attached by a double-sided adhesive 360. Further, the reflector 330 and the lower iron frame 200 can also be attached by a double-sided adhesive 360, so that the backlight structure can be disposed on the lower iron frame through the connection between the reflector and the lower iron frame.

[0046] As a preferred embodiment of the present utility model, the light source 310 includes a plurality of LED lamp beads.

[0047] Through the above settings, the light emitted by the plurality of LED lamp beads enters the light guide plate 320, and through the reflection of the reflector 330, the light is emitted from the front VA area to achieve the normal display function.

[0048] As a preferred embodiment of the present utility model, 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 by double-sided adhesive 360. Through the above settings, the circuit board can be externally connected to a client to make the light source emit light, and through the above settings, the loss of light leakage can be reduced and the backlight brightness can be improved.

[0049] As a preferred embodiment of the present utility model, the backlight structure 300 further includes a film sheet 350, and the film sheet 350 covers the front surface of the light guide plate 320.

[0050] As a preferred embodiment of the present utility model, the film sheet 350 includes a diffusion film 351, an upper brightness enhancement film 352, and a lower brightness enhancement film 353;

[0051] 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.

[0052] The above settings can enhance the light emission effect or the light diffusion effect of the backlight module and improve the brightness.

[0053] In a second aspect, an embodiment of the present utility model further provides a display screen, including a display module 10 and the antistatic backlight module 20 as described in any embodiment of the present utility model.

[0054] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution content of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An antistatic backlight module, characterized in that: include: Upper iron frame, lower iron frame, backlight structure and conductive layer; The inner side of the side of the upper iron frame and the outer side of the side of the lower iron frame are connected by a buckle structure; The backlight structure is arranged between the upper iron frame and the lower iron frame; The conductive layer is simultaneously attached to the outer side of the upper iron frame and the back side of the lower iron frame.

2. The antistatic backlight module according to claim 1, characterized in that: The conductive layer is aluminum foil or copper foil.

3. The 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 with the plurality of bosses one by one to form the buckling structure connection.

4. The 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 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 antistatic backlight module according to claim 4, characterized in that: The light source includes a plurality of LED lamp beads.

7. The 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 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 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 an antistatic backlight module as claimed in any one of claims 1 to 9.