Backlight module of liquid crystal television

By introducing support, protection and fixing components into the backlight module of the LCD TV, the problem of easy damage to the edges of the panel is solved, achieving higher service life and reliability.

CN223205740UActive Publication Date: 2025-08-08广州日朗电子科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422597725.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-08-08
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

When used in use, the corners of the connection between the panel and the back frame are easily damaged due to collision.

Method used

A backlight module structure including a support assembly, a protective assembly and a fixing assembly is designed, wherein the support assembly is used to support the panel, the protective assembly protects the edge of the panel through the connecting frame and the pressing frame, and the fixing assembly fixes the position of the connecting frame through the insert block and the slot to ensure that the panel fits with the connecting frame.

Benefits of technology

It effectively protects the edges and corners of the panel, avoids damage caused by collision, and improves the service life and reliability of the backlight module.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223205740U_ABST
    Figure CN223205740U_ABST
Patent Text Reader

Abstract

The utility model discloses a backlight module of a liquid crystal display television, which comprises a back frame, and a panel is arranged at the top of the back frame. The supporting assembly is arranged in the back frame, and the supporting assembly is used for supporting the panel; the protection assembly is used for protecting the edge of the panel and comprises a connecting frame arranged on the top of the panel in a sleeving mode, and a pressing frame is connected to the middle of the connecting frame in a penetrating and inserting mode and arranged on the top of the panel. Through the design of the connecting frame, the pressing frame and the fixing assembly, when the panel is fixed to the top of the back frame through the supporting assembly, the connecting frame penetrates into the top of the back frame, and the connecting frame is fixed to the top of the back frame through the fixing assembly, so that the side face of the panel is attached to the connecting frame, and the top of the panel is attached to the pressing frame; the corners of the panel are protected through the connecting frame and the pressing frame, and the situation that the corners of the panel are damaged during use is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, in particular to a backlight module of a liquid crystal television. Background Art

[0002] The backlight module of an LCD TV is a key component used to provide image brightness. Since the LCD screen itself does not emit light, the function of the backlight module is to illuminate the LCD panel through the light behind or around it, so that the image can be displayed.

[0003] The existing backlight module is composed of a back frame, a reflective sheet, a light guide plate, a film material group and a panel. The panel is set on the top of the back frame, and there is a gap between the back frame and the panel. When in use, when it is hit, the corners at the connection between the panel and the back frame may be damaged due to the collision. Utility Model Content

[0004] The purpose of the present invention is to provide a backlight module for a liquid crystal television to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a backlight module for a liquid crystal television, comprising a back frame, a panel being provided on the top of the back frame, and further comprising;

[0006] A support assembly, the support assembly being arranged inside the back frame and used to support the panel;

[0007] A protective assembly, which is used to protect the edge of the panel. The protective assembly includes a connecting frame sleeved on the top of the panel, a pressing frame is inserted through the middle of the connecting frame, and the pressing frame is arranged on the top of the panel;

[0008] A fixing component is provided at the connection between the back frame and the connecting frame, and is used to fix the position of the connecting frame.

[0009] Preferably, a rubber pad is fixedly connected to the bottom end of the connecting frame, the rubber pad is sleeved on the outer wall of the panel, and the rubber pad is inserted and connected to the inside of the back frame.

[0010] Preferably, a reflective sheet is provided on the inner wall of the bottom end of the back frame, a light guide plate is provided on the top of the reflective sheet, and a film material group is provided on the top of the light guide plate.

[0011] Preferably, the support assembly includes a plastic frame inserted and connected to the inside of the back frame, a light-shielding tape is provided on the top of the plastic frame, and the light-shielding tape is provided on the bottom of the panel.

[0012] Preferably, the light-shielding tape is inserted and connected to the inner wall in the middle of the back frame, and the light-shielding tape is arranged on the top of the film material group.

[0013] Preferably, the bottom end of the glue frame is fixedly connected to a first glue layer, and the first glue layer is fixedly connected to the inner wall of the bottom end of the back frame.

[0014] Preferably, the fixing assembly includes an insert block fixedly connected to the bottom end of the connecting frame, a slot is provided on the inner wall of the top end of the back frame, and the insert block is inserted and connected inside the slot.

[0015] Preferably, the bottom end of the insert block is fixedly connected to a second adhesive layer, and the second adhesive layer is fixedly connected to the inner wall of the bottom end of the slot.

[0016] Technical effects and advantages of this utility model:

[0017] The utility model adopts the design of the connecting frame, the pressing frame and the fixing assembly. When the panel is fixed to the top of the back frame through the supporting assembly, the connecting frame is passed through the top of the back frame, and the connecting frame is fixed to the top of the back frame through the fixing assembly, so that the side surface of the panel fits with the connecting frame and the top fits with the pressing frame. The corners of the panel are protected by the connecting frame and the pressing frame, avoiding damage to the corners of the panel during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front sectional structural diagram of the present invention.

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A.

[0020] Figure 3 This is one of the schematic diagrams of the partial three-dimensional structure of the utility model.

[0021] Figure 4 This is the second schematic diagram of the partial three-dimensional structure of the utility model.

[0022] In the figure: 1. Back frame; 2. Reflector; 3. Light guide plate; 4. Film material group; 5. Panel; 6. Support assembly; 601. Shading tape; 602. Glue frame; 603. First glue layer; 7. Protective assembly; 701. Connecting frame; 702. Pressing frame; 8. Rubber pad; 9. Fixing assembly; 901. Insert block; 902. Slot; 903. Second glue layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides Figure 1-4 The LCD TV backlight module shown includes a back frame 1, a panel 5 is provided on the top of the back frame 1, and further includes:

[0025] A support assembly 6 is provided inside the back frame 1 and is used to support the panel 5;

[0026] The protective assembly 7 is used to protect the edge of the panel 5. The protective assembly 7 includes a connecting frame 701 that is sleeved on the top of the panel 5. The middle of the connecting frame 701 is connected with a pressing frame 702. The pressing frame 702 is set on the top of the panel 5;

[0027] The fixing component 9 is provided at the connection between the back frame 1 and the connecting frame 701 , and is used to fix the position of the connecting frame 701 .

[0028] It should be noted that when the panel 5 is fixed to the top of the back frame 1 through the supporting component 6, the connecting frame 701 is inserted into the top of the back frame 1, and the connecting frame 701 is fixed to the top of the back frame 1 through the fixing component 9, so that the side of the panel 5 is in contact with the connecting frame 701, and the top of the panel 5 is in contact with the pressing frame 702. The corners of the panel 5 are protected by the connecting frame 701 and the pressing frame 702 to avoid damage to the corners of the panel 5 during use.

[0029] Specifically, a rubber pad 8 is fixedly connected to the bottom end of the connection frame 701 . The rubber pad 8 is sleeved on the outer wall of the panel 5 , and the rubber pad 8 is inserted and connected to the inside of the back frame 1 .

[0030] It should be noted that the rubber pad 8 is made of rubber material and is arranged between the panel 5 and the back frame 1. When in use, the rubber pad 8 is squeezed and deformed to fill the gap at the connection between the rubber pad 8 and the panel 5 and the back frame 1, thereby preventing dust from entering the interior of the back frame 1.

[0031] Specifically, a reflective sheet 2 is provided on the inner wall of the bottom end of the back frame 1 , a light guide plate 3 is provided on the top of the reflective sheet 2 , and a film material group 4 is provided on the top of the light guide plate 3 .

[0032] It should be noted that the main function of the reflective sheet 2 is to reflect the light emitted by the backlight source back to the direction of the liquid crystal panel 5 to improve the utilization efficiency of the light; the light guide plate 3 is used to evenly distribute the light emitted by the LED light source to the entire liquid crystal panel 5. Through the design of the light guide plate 3, the light can be evenly distributed in each area of the liquid crystal panel 5 to avoid the appearance of dark areas; the film material group 4 is composed of a variety of optical films, which are used to improve the brightness, contrast, color saturation and viewing angle of the liquid crystal display.

[0033] Specifically, the supporting component 6 includes a plastic frame 602 that is inserted and connected to the inside of the back frame 1, a light-shielding tape 601 is provided on the top of the plastic frame 602, the light-shielding tape 601 is provided at the bottom of the panel 5, the light-shielding tape 601 is inserted and connected to the inner wall in the middle of the back frame 1, the light-shielding tape 601 is provided on the top of the film material group 4, and the bottom end of the plastic frame 602 is fixedly connected to the first plastic layer 603, and the first plastic layer 603 is fixedly connected to the inner wall of the bottom end of the back frame 1.

[0034] It should be noted that the set glue frame 602 is inserted and connected to the inside of the back frame 1, and a first glue layer 603 is set at the connection between the back frame 1 and the glue frame 602, and the back frame 1 and the glue frame 602 are fixed by the first glue layer 603, so that the glue frame 602 is fixed inside the back frame 1; the material of the set light-shielding tape 601 is black or opaque plastic or rubber material to ensure its light-shielding effect, and at the same time, the back frame 1 is fixed to the panel 5 and the film material group 4 by the light-shielding tape 601.

[0035] Specifically, the fixing component 9 includes an insert block 901 fixedly connected to the bottom end of the connecting frame 701, a slot 902 is provided on the inner wall of the top end of the back frame 1, the insert block 901 is inserted into the inside of the slot 902, and the bottom end of the insert block 901 is fixedly connected to a second adhesive layer 903, and the second adhesive layer 903 is fixedly connected to the inner wall of the bottom end of the slot 902.

[0036] It should be noted that the provided plug block 901 is adapted to the opened slot 902 so that the plug block 901 can be inserted into the interior of the slot 902. A second adhesive layer 903 is provided to fix the plug block 901 inside the slot 902, and the position of the connection frame 701 on its top is fixed by fixing the position of the plug block 901.

[0037] Furthermore, when the panel 5 needs to be protected, a second adhesive layer 903 is first applied to the inside of the slot 902 or the bottom of the plug 901, the connecting frame 701 is moved to the top of the panel 5, and the plug 901 at the bottom of the connecting frame 701 is aligned with the slot 902 at the top of the back frame 1, and then the plug 901 is inserted into the inside of the slot 902, and the position of the plug 901 is fixed by the second adhesive layer 903, and the position of the connecting frame 701 and the pressing frame 702 is fixed by the plug 901 in the fixed position.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A backlight module for a liquid crystal television, comprising a back frame (1), wherein a panel (5) is provided on the top of the back frame (1), characterized in that: Also includes; A support assembly (6), the support assembly (6) being arranged inside the back frame (1), and the support assembly (6) being used to support the panel (5); A protective component (7), the protective component (7) is used to protect the edge of the panel (5), the protective component (7) comprises a connecting frame (701) sleeved on the top of the panel (5), a pressing frame (702) is inserted and connected in the middle of the connecting frame (701), and the pressing frame (702) is arranged on the top of the panel (5); A fixing component (9) is provided at the connection between the back frame (1) and the connecting frame (701), and the fixing component (9) is used to fix the position of the connecting frame (701).

2. The LCD TV backlight module according to claim 1, wherein: The bottom end of the connection frame (701) is fixedly connected to a rubber pad (8), the rubber pad (8) is sleeved on the outer wall of the panel (5), and the rubber pad (8) is inserted and connected to the inside of the back frame (1).

3. The LCD TV backlight module according to claim 1, wherein: A reflective sheet (2) is provided on the inner wall of the bottom end of the back frame (1), a light guide plate (3) is provided on the top of the reflective sheet (2), and a film material group (4) is provided on the top of the light guide plate (3).

4. The LCD TV backlight module according to claim 3, wherein: The support assembly (6) comprises a plastic frame (602) inserted and connected inside the back frame (1); a light-shielding tape (601) is provided on the top of the plastic frame (602); and the light-shielding tape (601) is provided on the bottom of the panel (5).

5. The LCD TV backlight module according to claim 4, characterized in that: The light-shielding tape (601) is inserted and connected to the inner wall of the middle part of the back frame (1), and the light-shielding tape (601) is arranged on the top of the film material group (4).

6. The LCD TV backlight module according to claim 5, characterized in that: The bottom end of the glue frame (602) is fixedly connected to a first glue layer (603), and the first glue layer (603) is fixedly connected to the inner wall of the bottom end of the back frame (1).

7. The LCD TV backlight module according to claim 1, wherein: The fixing assembly (9) comprises an insert block (901) fixedly connected to the bottom end of the connecting frame (701); a slot (902) is provided on the inner wall of the top end of the back frame (1); and the insert block (901) is inserted and connected inside the slot (902).

8. The LCD TV backlight module according to claim 7, wherein: The bottom end of the insert block (901) is fixedly connected to a second adhesive layer (903), and the second adhesive layer (903) is fixedly connected to the inner wall of the bottom end of the slot (902).