Structure for improving backlight bright edge

By using components such as limiting grooves and sliders to fix the middle rubber frame in the backlight structure, and combining protective sleeves and black PC material to solve the problems of loosening and bright edges of the middle rubber frame, the stability and aesthetics of the middle rubber frame are improved.

CN223564111UActive Publication Date: 2025-11-18SHENZHEN K&D TECHONOLOGY
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Patent Information

Application Number
CN202423205042.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-18
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing backlight structures, the inner frame is prone to light transmission, resulting in a bright edge phenomenon. Furthermore, the snap-fit ​​connection is prone to loosening, and the lack of a protective mechanism makes it inconvenient to use.

Method used

The middle rubber frame is fixed by components such as limiting groove, slider, slide groove, guide rod, connecting seat and spring. The foam adhesive is protected by components such as protective sleeve, card slot, card block, elastic rod and guide groove. The middle rubber frame is made of black PC material to prevent light transmission.

Benefits of technology

It effectively prevents the middle rubber frame from loosening and the bright edge phenomenon, improves the appearance quality and durability of the device, and provides a better user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223564111U_ABST
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Abstract

The utility model belongs to the technical field of backlight structures, and particularly relates to a structure for improving backlight bright edges, which comprises a lower iron frame, a light guide plate is arranged in the lower iron frame, an optical film is arranged at the upper end of the light guide plate, and film fixing glue is arranged at the upper end of the optical film. The upper end of the diaphragm fixing glue is provided with a glue frame diaphragm fixing boss, the outer side of the lower iron frame is in contact with a middle glue frame, and the middle glue frame is in contact with the glue frame diaphragm fixing boss. The middle rubber frame, the rubber frame diaphragm fixing boss, the lower iron frame and other structures are matched with one another, the bright edge phenomenon of the device can be effectively improved, the overall appearance quality of the device is improved, the middle rubber frame is made of black PC materials, light can be absorbed, light is not transmitted, the bright edge phenomenon cannot be generated, the attractiveness and durability of the device can be improved, and the service life of the device is prolonged. The matching design not only considers the appearance effect, but also provides better product experience for users.
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Description

TECHNICAL FIELD

[0001] The utility model relates to backlight structure technical field, concretely is a structure of improving backlight bright edge. BACKGROUND

[0002] The design of backlight structure has important influence on the display effect and energy consumption of display, and the backlight structure is a light source structure for illuminating display panel, which plays a vital role in display, television and other equipment. For example, the utility model patent with the announcement number CN219435471U discloses a narrow frame backlight structure, which comprises a middle iron frame / middle rubber frame, a rear iron frame, the middle iron frame or the middle rubber frame is buckled to the outside of the rear iron frame, wherein the buckling gap is 0.05mm;It also comprises a wrapping paper, the wrapping paper is wrapped on the outside of the middle iron frame / middle rubber frame and the rear iron frame, and the width of the wrapping paper is greater than or equal to 5mm. The wrapping paper is a paper, and the thickness thereof is 0.03mm. It also comprises a light guide plate, a reflective film is arranged between the light guide plate and the middle iron frame / middle rubber frame, and a diffusion film is also arranged. The light guide plate is provided with a backlight source on the light entrance side, and the diffusion film is provided with an extension part shielding above the backlight source on the side. The extension part is provided with a light shielding layer. However, in the prior art, when the device is used, the middle rubber frame will appear the phenomenon of light transmission, which will cause the device to produce bright edges. Moreover, the middle rubber frame is generally connected through clamping, which will cause the middle rubber frame on the device to be loose. In addition, the device does not have a protection mechanism, and the foam rubber is not convenient to protect, which will cause the device to be inconvenient to use. UTILITY MODEL CONTENTS

[0003] The utility model discloses a structure of improving backlight bright edge, solveed when the device is used, the middle rubber frame will appear the phenomenon of light transmission, which will cause the device to produce bright edges. Moreover, the middle rubber frame is generally connected through clamping, which will cause the middle rubber frame on the device to be loose. In addition, the device does not have a protection mechanism, and the foam rubber is not convenient to protect, which will cause the device to be inconvenient to use.

[0004] To achieve the above object, the utility model provides the following technical scheme: a structure of improving backlight bright edge, including the lower iron frame, the inside of lower iron frame is provided with the light guide plate, the upper end of light guide plate is provided with the optical film piece, the upper end of optical film piece is provided with the film piece fixed glue, the upper end of film piece fixed glue is provided with the glue frame film piece fixed boss, the outside of lower iron frame is contacted with the middle rubber frame, the middle rubber frame is contacted with glue frame film piece fixed boss, the middle rubber frame is contacted with lower iron frame, the upper end of middle rubber frame is provided with the foam rubber, the outside of foam rubber is provided with the protection mechanism, the fixedly connected with the connecting block of middle rubber frame, the lower end of lower iron frame is provided with the fixed mechanism.

[0005] Preferably, the protection mechanism includes a protective sleeve, the inside of the middle glue frame is in contact with the protective sleeve, the inside of the protective sleeve is in contact with the foam glue, the inside of the middle glue frame is provided with a clamping groove, the inside of the clamping groove is slidably connected with a clamping block, the inside of the protective sleeve is provided with an elastic rod, the inside of the protective sleeve is provided with a guide groove, and the protective sleeve is slidably connected with the clamping block. By moving the protective sleeve, the clamping block and other components are moved, the protective sleeve is moved to a specified position on the foam glue, so that the clamping block is moved into the clamping groove, and the foam glue is protected, so that the device is convenient to use.

[0006] Preferably, one end of the elastic rod is fixedly connected with the clamping block, and the other end of the elastic rod is fixedly connected with the protective sleeve, so that the clamping block has an elastic force by designing the elastic rod.

[0007] Preferably, the inside of the guide groove is slidably connected with a guide block, the guide block is fixedly connected with the clamping block, and the clamping block is guided by designing the guide block.

[0008] Preferably, the fixing mechanism includes a limiting groove, the inside of the connecting block is provided with the limiting groove, the inside of the limiting groove is slidably connected with a sliding block, the inside of the sliding block is provided with a sliding groove, the inside of the sliding groove is slidably connected with a guide rod, the lower end of the lower iron frame is fixedly connected with a connecting seat, the inside of the connecting seat is fixedly connected with the guide rod, the outer side of the guide rod is provided with a spring, the inside of the connecting seat is provided with a sliding groove, the inside of the sliding groove is slidably connected with a handle, the connecting seat is slidably connected with the sliding block, and the sliding block is fixedly connected with the handle. By pulling the sliding block to a specified position, the middle glue frame and the limiting groove and other components are moved to a specified position on the lower iron frame, then the sliding block is moved into the limiting groove, and the middle glue frame is fixed, so that the middle glue frame on the device is prevented from loosening.

[0009] Preferably, one end of the spring is fixedly connected with the sliding block, and the other end of the spring is fixedly connected with the connecting seat, so that the sliding block has an elastic force by designing the spring.

[0010] Preferably, the middle glue frame is made of black PC material, and the device is prevented from generating a bright edge by designing the middle glue frame to be made of black PC material.

[0011] Compared with the prior art, the device has the advantages that:

[0012] 1、The device is provided with a limiting groove, a sliding block, a sliding groove, a guide rod, a connecting seat and a spring, the sliding block is pulled to a specified position, the middle glue frame and the limiting groove and other components are moved to a specified position on the lower iron frame, then the sliding block is moved into the limiting groove, and the middle glue frame is fixed, so that the middle glue frame on the device is prevented from loosening.

[0013] 2. The utility model discloses a protective sleeve, clamping groove, card block, elastic rod, guide slot and guide block etc. component are designed, and the card block etc. component is moved to the designated position of the foam glue of protective sleeve movement, and then makes the card block move to the clamping groove, and then makes the foam glue get the protection, and the device is convenient to use.

[0014] 3. The utility model discloses a middle frame, glue frame diaphragm fixed boss, lower iron frame etc. structure mutual cooperation can effectively improve the device produces bright edge phenomenon to improve its overall appearance quality, and the middle frame adopts black PC material, can not only absorb light and be light -tight to produce bright edge phenomenon, can also promote the device's aesthetic and durability, and this cooperation design not only considers the appearance effect, also provides the user with more high -quality product experience. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the utility model structure sectional view;

[0016] Figure 2 It is the utility model Figure 1 Foam glue close -up;

[0017] Figure 3 It is the utility model Figure 2 A place close -up;

[0018] Figure 4 It is the utility model Figure 2 B place close -up.

[0019] Figure 5 It is the utility model Figure 1 Middle frame glue plan view.

[0020] In the drawing: 1, lower iron frame;2, light guide plate;3, optical diaphragm;4, diaphragm fixed glue;5, glue frame diaphragm fixed boss;6, middle frame;7, foam glue;8, protection mechanism;81, protective sleeve;82, clamping groove;83, card block;84, elastic rod;85, guide slot;86, guide block;9, connecting block;10, fixed mechanism;101, limit slot;102, sliding block;103, sliding slot;104, guide rod;105, connecting seat;106, spring;107, sliding slot;108, handle. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a structure of improving backlight bright edge, including lower iron frame 1, the inside of lower iron frame 1 is provided with light guide plate 2, the upper end of light guide plate 2 is provided with optical film piece 3, optical film piece 3 has four layers, the upper end of optical film piece 3 is provided with film piece fixed glue 4, the upper end of film piece fixed glue 4 is provided with glue frame film piece fixed boss 5, the outside of lower iron frame 1 is contacted with middle glue frame 6, and middle glue frame 6 is black PC material, and through design, middle glue frame 6 is black PC material, can prevent the device from producing bright edge, and middle glue frame 6 is contacted with glue frame film piece fixed boss 5, and middle glue frame 6 is contacted with lower iron frame 1, and the upper end of middle glue frame 6 is provided with foam glue 7, the outside of foam glue 7 is provided with protection mechanism 8, and the fixed connection of connection block 9 is set up on middle glue frame 6, and the lower end of lower iron frame 1 is provided with fixed mechanism 10.

[0023] Please refer to Figures 1-3 Protection mechanism 8 includes protection sleeve 81, the inside of middle glue frame 6 is contacted with protection sleeve 81, the inside of protection sleeve 81 is contacted with foam glue 7, the inside of middle glue frame 6 is provided with the clamping groove 82, the inside of clamping groove 82 is slidably connected with the clamping block 83, the inside of protection sleeve 81 is provided with elastic rod 84, one end of elastic rod 84 is fixedly connected with clamping block 83, the other end of elastic rod 84 is fixedly connected with protection sleeve 81, by design, clamping block 83 has the elastic force of elastic rod 84, the inside of protection sleeve 81 is provided with guide slot 85, the inside of guide slot 85 is slidably connected with guide block 86, guide block 86 is fixedly connected with clamping block 83, by design, guide block 86 can guide clamping block 83, protection sleeve 81 is slidably connected with clamping block 83, by moving protection sleeve 81 and driving clamping block 83 and other components to move, protection sleeve 81 moves to the specified position on foam glue 7, and then clamping block 83 moves into clamping groove 82, and then foam glue 7 is protected, so that the device is convenient to use.

[0024] Please refer to Figure 4The fixing mechanism 10 comprises a limiting groove 101, the limiting groove 101 is internally arranged in the connecting block 9, a sliding block 102 is slidably connected in the limiting groove 101, a sliding groove 103 is internally arranged in the sliding block 102, a guide rod 104 is slidably connected in the sliding groove 103, a connecting seat 105 is fixedly connected to the lower end of the lower iron frame 1, the guide rod 104 is fixedly connected in the connecting seat 105, a spring 106 is arranged on the outer side of the guide rod 104, one end of the spring 106 is fixedly connected with the sliding block 102, the other end of the spring 106 is fixedly connected with the connecting seat 105, the spring 106 is designed to make the sliding block 102 have elastic force, a sliding groove 107 is internally arranged in the connecting seat 105, a handle 108 is slidably connected in the sliding groove 107, the connecting seat 105 is slidably connected with the sliding block 102, the sliding block 102 is fixedly connected with the handle 108, the sliding block 102 is pulled to move to a specified position, the middle rubber frame 6 and the limiting groove 101 and other components are moved to the specified position on the lower iron frame 1, then the sliding block 102 is moved into the limiting groove 101, and the middle rubber frame 6 is fixed, so that the middle rubber frame 6 on the device is prevented from loosening.

[0025] The specific implementation process of the utility model is as follows: when the device is used, the handle 108 is pulled to move to the spring 106 direction, the handle 108 movement drives the sliding block 102 to move, the sliding block 102 movement drives the sliding groove 103 to move, the sliding block 102 movement makes the spring 106 compression, after the sliding block 102 moves to a specified position, the middle rubber frame 6, the connecting block 9 and the limiting groove 101 and other components are moved to the specified position on the lower iron frame 1, then the handle 108 is released, the elastic force of the spring 106 pushes the sliding block 102 to move, the sliding block 102 moves into the limiting groove 101, and the middle rubber frame 6 is fixed, so that the middle rubber frame 6 on the device is prevented from loosening.

[0026] When the foam rubber 7 on the device needs to be protected, the protective sleeve 81 is moved to a specified position on the foam rubber 7, the protective sleeve 81 movement drives the clamping block 83 and other components to move, the clamping block 83 moves in the process and contacts the middle rubber frame 6, and then the clamping block 83 moves to the direction of the elastic rod 84, the clamping block 83 movement drives the guide block 86 to move, the clamping block 83 movement makes the elastic rod 84 deformation, after the protective sleeve 81 moves to a specified position, the elastic force of the elastic rod 84 pushes the clamping block 83 to move, the clamping block 83 moves into the clamping groove 82, and then the foam rubber 7 is protected, so that the device is convenient to use.

[0027] When the device is used, the bright edge phenomenon of the device can be effectively improved through cooperation of the middle glue frame 6, the glue frame diaphragm fixing boss 5, the lower iron frame 1 and other structures, so that the overall appearance quality of the device is improved, the middle glue frame 6 is made of black PC material, which can not only absorb light but also be opaque, so that the bright edge phenomenon is not generated, and the appearance and durability of the device are improved, the cooperation design not only considers the appearance effect, but also provides a more high-quality product experience for the user.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A structure for improving backlight bright edge, comprising a lower iron frame (1), characterized in that: The inside of the lower iron frame (1) is provided with a light guide plate (2), the upper end of the light guide plate (2) is provided with an optical film (3), the upper end of the optical film (3) is provided with a film fixing glue (4), the upper end of the film fixing glue (4) is provided with a glue frame film fixing boss (5), the outside of the lower iron frame (1) is in contact with a middle glue frame (6), the middle glue frame (6) is in contact with the glue frame film fixing boss (5), the middle glue frame (6) is in contact with the lower iron frame (1), the upper end of the middle glue frame (6) is provided with a foam glue (7), the outside of the foam glue (7) is provided with a protection mechanism (8), the middle glue frame (6) is fixedly connected with a connecting block (9), and the lower end of the lower iron frame (1) is provided with a fixing mechanism (10).

2. The structure for improving the backlight bright edge according to claim 1, wherein: The protection mechanism (8) comprises a protective sleeve (81), the inside of the middle glue frame (6) is in contact with the protective sleeve (81), the inside of the protective sleeve (81) is in contact with the foam glue (7), the inside of the middle glue frame (6) is provided with a clamping groove (82), the inside of the clamping groove (82) is slidably connected with a clamping block (83), the inside of the protective sleeve (81) is provided with an elastic rod (84), the inside of the protective sleeve (81) is provided with a guide groove (85), and the protective sleeve (81) is slidably connected with the clamping block (83).

3. The structure for improving the backlight bright edge according to claim 2, characterized in that: One end of the elastic rod (84) is fixedly connected with the clamping block (83), and the other end of the elastic rod (84) is fixedly connected with the protective sleeve (81).

4. The structure for improving the light leakage of a backlight according to claim 2, wherein: The inside of the guide groove (85) is slidably connected with a guide block (86), and the guide block (86) is fixedly connected with the clamping block (83).

5. The structure for improving the backlight bright edge according to claim 1, wherein: The fixing mechanism (10) comprises a limiting groove (101), the inside of the connecting block (9) is provided with the limiting groove (101), the inside of the limiting groove (101) is slidably connected with a sliding block (102), the inside of the sliding block (102) is provided with a sliding groove (103), the inside of the sliding groove (103) is slidably connected with a guide rod (104), the lower end of the lower iron frame (1) is fixedly connected with a connecting seat (105), the inside of the connecting seat (105) is fixedly connected with the guide rod (104), the outside of the guide rod (104) is provided with a spring (106), the inside of the connecting seat (105) is provided with a sliding groove (107), the inside of the sliding groove (107) is slidably connected with a handle (108), the connecting seat (105) is slidably connected with the sliding block (102), and the sliding block (102) is fixedly connected with the handle (108).

6. The structure for improving the light leakage of a backlight according to claim 5, wherein: One end of the spring (106) is fixedly connected with the sliding block (102), and the other end of the spring (106) is fixedly connected with the connecting seat (105).

7. The structure for improving the backlight bright edge according to claim 1, wherein: The middle glue frame (6) is black PC material.

Citation Information

Patent Citations

  • Narrow-frame backlight structure

    CN219435471U