Backlight source display device convenient to assemble
By using a plug-in hook and slot structure, combined with reflective adhesive and light-shielding adhesive, the assembly and maintenance of backlight display devices are simplified, solving the problems of time-consuming and labor-intensive assembly and difficult maintenance of traditional backlights, and achieving efficient assembly and convenient maintenance.
Patent Information
- Application Number
- CN202520689819.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Traditional backlit display devices are time-consuming and labor-intensive to assemble, and are prone to misalignment, resulting in a decrease in the contrast and clarity of the LCD panel display, as well as difficulties in maintenance.
The design employs a plug-in hook and slot structure, combined with the engagement of elastic cards and slots, and uses reflective adhesive sheets and light-shielding adhesive for fixation, simplifying the installation and removal process of the backlight assembly.
It improves backlight assembly efficiency, ensures accurate component alignment, facilitates repair and maintenance, reduces light leakage, and enhances display performance.
Smart Images

Figure CN223955921U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of backlight source, concretely is a backlight display device convenient to assemble. BACKGROUND
[0002] In the display technical field, the backlight source is the important component part indispensable in the display device such as liquid crystal display device (LCD), and the backlight source is a kind of device for providing light source for the liquid crystal panel of display device, can provide uniform backlight for liquid crystal panel, so that user can see the content displayed on the liquid crystal panel clearly, so that liquid crystal panel can display clear and bright image, and the traditional backlight display device has some problems in the assembly process, and the traditional backlight source is usually composed of multiple components, including light guide plate, reflecting sheet, diffusion film, light enhancement film, frame, light source etc., the assembly of these components needs accurate positioning and is connected mutually, and alignment and fixing need to be carried out in the process of assembly and splicing, which not only consumes time and effort, but also causes the contrast and clarity of liquid crystal panel display to drop due to misalignment, and after the failure of the parts of backlight source, it is difficult to disassemble and inconvenient to maintain and repair when a component is damaged. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing a kind of backlight display device convenient to assemble to solve the problem of inconvenient assembly and maintenance in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of backlight display device convenient to assemble, including lower installation frame, the outer surface of the lower installation frame is slidably installed with installation rubber frame, and the outer surface of the side of installation rubber frame is attached with the docking piece, the outer surface of the installation rubber frame and the outer surface of the docking piece are attached, and the outer surface of the docking piece is uniformly fixed with the plug-in hook, the plug-in hook is opposite, the outer surface of the plug-in hook is penetrated with the light expansion component, and the outer surface of the light expansion component and the outer surface of the plug-in hook are attached, the outer surface of the plug-in hook is penetrated with the light guide plate, and the light guide plate is clamped with the plug-in hook, the outer surface of the docking piece and the outer surface of the light expansion component are attached.
[0005] Preferably, the outer surface of the lower installation frame is fixedly pasted with the reflection pasting piece, and the outer surface of the reflection pasting piece is attached with the outer surface of the installation rubber frame, the outer surface of the both sides of the lower installation frame is fixedly provided with the elastic card, and the outer surface of the elastic card is provided with L-shaped block-shaped protrusion, the both sides of the outer surface of the installation rubber frame is provided with the clamping groove, and the clamping groove is clamped with the elastic card.
[0006] The reflection pasting piece is fixed in the lower installation frame by the pasting and fixing mode, and is clamped with the clamping groove, and the lower installation frame and the installation rubber frame can be fixed and installed with each other, and the L-shaped block protrusion on the outer surface of the elastic card can be used to separate the elastic card from the clamping groove, so that the lower installation frame and the installation rubber frame can be conveniently installed and disassembled.
[0007] Preferably, the abutting piece is uniformly provided with a clamping block away from the outer surface of the light guide plate.
[0008] When the lower installation frame and the installation rubber frame are inserted into each other, the abutting piece will be pushed and fitted with the installation frame, and the clamping block will also be inserted into the installation frame, so that the abutting piece can be fixed by clamping and extruding the installation frame and the installation rubber frame.
[0009] Preferably, the installation rubber frame is fixedly installed with an LED pcb lamp plate away from the outer surface of the abutting piece, and the LED pcb lamp plate is fixed between the installation rubber frame by screws.
[0010] The above technical scheme can conveniently fix the LED pcb lamp plate on the outer surface of the installation rubber frame, so that the LED pcb lamp plate can be conveniently installed and disassembled when it fails.
[0011] Preferably, the installation rubber frame is fixedly installed with an insertion slot away from the outer surface of the abutting piece, and the light guide plate and the light expanding component are inserted and installed between the insertion slot and the installation rubber frame, and the outer surfaces of the light guide plate and the light expanding component are fitted with the outer surfaces of the insertion slot and the installation rubber frame.
[0012] The above technical scheme can fix and limit the light guide plate and the light expanding component by the insertion slot, so that the light guide plate and the light expanding component can be installed by insertion, and can be separated and disassembled for subsequent maintenance.
[0013] Preferably, the installation rubber frame is fixedly installed with a light shielding bubble cotton away from the outer surface of the insertion slot, and the outer surface of the light shielding bubble cotton is fitted with the outer surface of the LED pcb lamp plate, and the light emitting component of the LED pcb lamp plate is aligned with the light guide plate.
[0014] The above technical scheme can eliminate the gap between the LED pcb lamp plate and the insertion slot by the light shielding bubble cotton, so that the light emitted by the LED pcb lamp plate will not leak to the outside, the light intensity of the light guide plate and the light expanding component during use is improved, and the light emitted by the LED pcb lamp plate will not affect the use experience of the liquid crystal panel due to leakage.
[0015] Preferably, the outer surface of the lower mounting frame is provided with a connecting screw throughout, and the connecting screw is attached to the outer surface of the lower mounting frame, and the connecting screw is in threaded connection with the mounting rubber frame, and the outer surfaces of the lower mounting frame and the mounting rubber frame are respectively attached with light-shielding rubber.
[0016] By using the above technical scheme, the gap between the lower mounting frame and the mounting rubber frame can be eliminated by the light-shielding rubber, so that the backlight device will not cause light leakage during use, and the connecting strength between the lower mounting frame and the mounting rubber frame can be enhanced by the connecting screw.
[0017] Compared with the prior art, the backlight display device of the present application has the following advantages:
[0018] 1. When assembling the backlight, the light guide plate and the light expansion component are only needed to be inserted into the outer surface of the butt joint piece and the light guide plate is inserted into the outer surface of the butt joint piece again, so that the light guide plate and the light expansion component are positioned and aligned by the clamping of the insertion hook, and the light guide plate and the light expansion component are conveniently installed and aligned, so that the light guide plate and the light expansion component in the backlight can be quickly assembled and the assembly efficiency is improved.
[0019] 2. After the light guide plate and the light expansion component are installed and fixed, the light guide plate and the light expansion component are inserted into the inside of the mounting rubber frame, so that the light guide plate and the light expansion component can be inserted between the mounting rubber frame and the insertion slot, and the butt joint piece can be in contact with the lower mounting frame by the insertion of the lower mounting frame and the mounting rubber frame, so that the lower mounting frame and the clamping block can be inserted with each other, and the light guide plate and the light expansion component can be fixed and limited in the inside of the mounting rubber frame by the insertion, and the light guide plate and the light expansion component are conveniently installed and fixed without using more screws, so that the assembly efficiency is improved.
[0020] 3. The gap between the LED pcb lamp plate, the mounting rubber frame and the insertion slot can be eliminated by the use of the light-shielding foam, and the elastic card and the clamping groove can be clamped together by the insertion of the lower mounting frame and the mounting rubber frame, and the elastic card and the clamping groove can be separated by the L-shaped block protrusion on the outer surface of the elastic card, and the lower mounting frame and the mounting rubber frame can be fixed by the connecting screw, so that the lower mounting frame and the mounting rubber frame can be inserted, fixed and separated, and the backlight can be conveniently disassembled and repaired when damaged. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a three-dimensional structure schematic view of the lower mounting frame and the light-shielding rubber of the present application.
[0022] Figure 2 It is an exploded three-dimensional structure schematic view of the lower mounting frame and the mounting rubber frame of the present application.
[0023] Figure 3 It is the profile view stereoscopic structure schematic diagram of the light guide plate and the light increasing and expanding assembly of the utility model;
[0024] Figure 4 It is the profile view stereoscopic structure schematic diagram of the LED pcb lamp plate and the light shielding bubble cotton of the utility model;
[0025] Figure 5 It is the profile view stereoscopic structure schematic diagram of the light guide plate and the light increasing and expanding assembly of the utility model;
[0026] Figure 6 It is the profile view stereoscopic structure schematic diagram of the light guide plate and the light increasing and expanding assembly of the utility model;
[0027] In the drawing: 1, lower installation frame;2, installation rubber frame;3, reflection paste piece;4, elastic card;5, card slot;6, butt joint piece;7, plug-in hook;8, light guide plate;9, light increasing and expanding assembly;10, clamping block;11, plug-in slot;12, LED pcb lamp plate;13, light shielding bubble cotton;14, connecting screw;15, light shielding rubber. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only 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 ordinary skill in the art without creative labor belong to the scope of protection of the utility model.
[0029] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of backlight display device of convenient assembly, including lower installation frame 1, the outer surface of lower installation frame 1 is slidably installed with installation rubber frame 2, and the outer surface of one side of installation rubber frame 2 is attached and set with butt joint piece 6, the outer surface of installation rubber frame 2 is attached with the outer surface of butt joint piece 6, and the outer surface of butt joint piece 6 is evenly fixed and installed with plug-in hook 7, plug-in hook 7 is opposite, plug-in hook 7 is installed with light increasing and expanding assembly 9 penetrating the outer surface, and the outer surface of light increasing and expanding assembly 9 is attached with the outer surface of plug-in hook 7, plug-in hook 7 is installed with light guide plate 8 penetrating the outer surface, and light guide plate 8 is clamped with plug-in hook 7, the outer surface of butt joint piece 6 is attached with the outer surface of light increasing and expanding assembly 9.
[0030] When assembling, only need to insert the light guide plate 8 and the light expansion assembly 9 into the outer surface of the docking piece 6 respectively, the position of the light guide plate 8 and the light expansion assembly 9 can be limited and positioned through the insertion hook 7, and the opposite direction between the insertion hooks 7 can further clasp and position the light guide plate 8 and the light expansion assembly 9, so that the light guide plate 8 and the light expansion assembly 9 can be quickly aligned during installation, reducing the unevenness of light emission caused by the misalignment of the light guide plate 8 and the light expansion assembly 9 during installation, and making the docking assembly of the light guide plate 8 and the light expansion assembly 9 more convenient and easy.
[0031] The outer surface of the lower mounting frame 1 is fixedly pasted with a reflective pasting piece 3, and the outer surface of the reflective pasting piece 3 is in contact with the outer surface of the mounting rubber frame 2. The outer surface of the lower mounting frame 1 is fixedly provided with elastic cards 4, and the outer surface of the elastic card 4 is provided with L-shaped block protrusions. The outer surface of the mounting rubber frame 2 is provided with clamping grooves 5, and the clamping grooves 5 are clamped with the elastic cards 4.
[0032] The light emitted by the LED pcb lamp plate 12 can be reflected by the reflective pasting piece 3, so that the light can be reflected out towards the light guide plate 8. After the light guide plate 8 and the light expansion assembly 9 are assembled, the docking piece 6 is buckled on the outer surface of the mounting rubber frame 2, and the mounting rubber frame 2 is inserted into the lower mounting frame 1, so that the lower mounting frame 1 and the mounting rubber frame 2 can be clamped and fixed together through the elastic card 4 and the clamping groove 5. At the same time, the up-down movement of the lower mounting frame 1 and the mounting rubber frame 2 can be limited, and the L-shaped block protrusions on the outer surface of the elastic card 4 can provide a leverage point for the separation of the elastic card 4 and the clamping groove 5, facilitating the installation, disassembly and maintenance of the lower mounting frame 1 and the mounting rubber frame 2.
[0033] The outer surface of the docking piece 6 away from the light guide plate 8 is uniformly provided with clamping blocks 10, and the clamping blocks 10 are inserted into the lower mounting frame 1.
[0034] After the docking piece 6 is buckled on one end of the mounting rubber frame 2, the docking piece 6 can be in contact with the outer surface of the lower mounting frame 1 through the insertion of the lower mounting frame 1 and the mounting rubber frame 2, so that the clamping blocks 10 can be inserted into the outer surface of the lower mounting frame 1, and the docking piece 6, the light guide plate 8 and the light expansion assembly 9 can be fixed in the lower mounting frame 1 through extrusion.
[0035] The outer surface of the mounting rubber frame 2 away from the docking piece 6 is fixedly provided with an LED pcb lamp plate 12, and the LED pcb lamp plate 12 and the mounting rubber frame 2 are fixed by screws.
[0036] The LED pcb lamp plate 12 can be fixedly installed on the outer surface of the mounting rubber frame 2 by screws, and the mounting rubber frame 2 and the lower mounting frame 1 are arranged to facilitate the installation and disassembly of the LED pcb lamp plate 12, and the LED pcb lamp plate 12 can be disassembled and replaced after being damaged.
[0037] The mounting rubber frame 2 is fixedly installed on the outer surface away from the butt joint sheet 6, the light guide plate 8 and the light expanding assembly 9 are insertedly installed between the mounting rubber frame 2 and the insertion slot 11, and the outer surfaces of the light guide plate 8 and the light expanding assembly 9 are respectively attached to the outer surfaces of the insertion slot 11 and the mounting rubber frame 2.
[0038] Through the arrangement of the insertion slot 11, the light guide plate 8 and the light expanding assembly 9 can be limited and fixed when inserted into the inside of the mounting rubber frame 2, the lower mounting frame 1 and the mounting rubber frame 2 can be clamped and fixed after being inserted, the other end of the light guide plate 8 and the light expanding assembly 9 can be fixed without screwing and fixing.
[0039] The light shielding bubble cotton 13 is fixedly installed on the outer surface of the mounting rubber frame 2 close to the insertion slot 11, the outer surface of the light shielding bubble cotton 13 is attached to the outer surface of the LED pcb lamp plate 12, and the light emitting components of the LED pcb lamp plate 12 are aligned with the light guide plate 8.
[0040] The light shielding bubble cotton 13 can eliminate the gap between the LED pcb lamp plate 12 and the insertion slot 11, so that the light emitted by the LED pcb lamp plate 12 will not leak to the outside, the light transmission intensity of the LED pcb lamp plate 12 will not decrease, and the light intensity of the backlight source will not decrease and be uneven.
[0041] The connecting screw 14 is inserted through the outer surface of the lower mounting frame 1, the connecting screw 14 is attached to the outer surface of the lower mounting frame 1, the connecting screw 14 is threadedly connected with the mounting rubber frame 2, and the light shielding rubber 15 is fixedly attached to the outer surfaces of the lower mounting frame 1 and the mounting rubber frame 2.
[0042] The connecting screw 14 can strengthen the connection strength between the lower mounting frame 1 and the mounting rubber frame 2, so that the lower mounting frame 1 and the mounting rubber frame 2 can be more firmly inserted and fixed, and the light shielding rubber 15 can eliminate the gap between the lower mounting frame 1 and the mounting rubber frame 2, and reduce the phenomenon of light leakage to the outside of the liquid crystal panel.
[0043] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A conveniently assembled backlight display device, comprising a lower mounting frame (1), the outer surface of the lower mounting frame (1) is slidingly mounted with a mounting rubber frame (2), and the outer surface of one side of the mounting rubber frame (2) is attached with a docking piece (6), characterized in that: The outer surface of the mounting rubber frame (2) is attached to the outer surface of the butt joint sheet (6), and the outer surface of the butt joint sheet (6) is uniformly fixed with the plug hook (7), the plug hook (7) is opposite, the outer surface of the plug hook (7) is penetrated by the light expansion component (9), and the outer surface of the light expansion component (9) is attached to the outer surface of the plug hook (7), the outer surface of the plug hook (7) is penetrated by the light guide plate (8), and the light guide plate (8) is clamped with the plug hook (7), the outer surface of the butt joint sheet (6) is attached to the outer surface of the light expansion component (9).
2. A conveniently assembled backlight display device according to claim 1, characterized in that: The outer surface of the lower mounting frame (1) is fixedly attached to the reflective adhesive sheet (3), and the outer surface of the reflective adhesive sheet (3) is attached to the outer surface of the mounting rubber frame (2), the outer surface of the lower mounting frame (1) is fixedly provided with the elastic card (4), and the outer surface of the elastic card (4) is provided with an L-shaped block protrusion, the two side surfaces of the mounting rubber frame (2) are provided with the clamping groove (5), and the clamping groove (5) is clamped with the elastic card (4).
3. The easily assembled backlight display device of claim 1, wherein: The outer surface of the butt joint sheet (6) is uniformly provided with the clamping block (10) away from the light guide plate (8), and the clamping block (10) is inserted into the lower mounting frame (1).
4. The easily assembled backlight display device of claim 1, wherein: The outer surface of the mounting rubber frame (2) is fixedly provided with the LED pcb lamp plate (12) away from the butt joint sheet (6), and the LED pcb lamp plate (12) is fixed between the mounting rubber frame (2) by screws.
5. The easily assembled backlight display device of claim 1, wherein: The outer surface of the mounting rubber frame (2) is fixedly provided with the plug slot (11) away from the butt joint sheet (6), and the light guide plate (8) and the light expansion component (9) are inserted and mounted between the plug slot (11) and the mounting rubber frame (2), and the outer surfaces of the light expansion component (9) and the light guide plate (8) are attached to the outer surfaces of the plug slot (11) and the mounting rubber frame (2) respectively.
6. The easily assembled backlight display device of claim 1, wherein: The outer surface of the mounting rubber frame (2) is fixedly provided with the light shielding bubble cotton (13) close to the plug slot (11), and the outer surface of the light shielding bubble cotton (13) is attached to the outer surface of the LED pcb lamp plate (12), and the light emitting part of the LED pcb lamp plate (12) is aligned with the light guide plate (8).
7. The easily assembled backlight display device of claim 1, wherein: The outer surface of the lower mounting frame (1) is penetrated by the connecting screw (14), and the connecting screw (14) is attached to the outer surface of the lower mounting frame (1), the connecting screw (14) is threadedly connected with the mounting rubber frame (2), and the outer surfaces of the lower mounting frame (1) and the mounting rubber frame (2) are respectively attached to the light shielding glue (15).