Structure for preventing deformation of middle frame of backlight module

Abstract

The utility model relates to a structure for preventing a middle frame of a backlight module from deforming. The structure for preventing the middle frame of the backlight module from deforming comprises a casting and the middle frame, the casting comprises a support and a limiting check block, the limiting check block is arranged on the support, a groove is formed in the support, the middle frame comprises a frame body, a bending block and a clamping block, the bending block is arranged on the frame body, the clamping block is arranged on the bending block, the clamping block is arranged in the groove, and the limiting check block is arranged in the groove. The limiting stop block is used for abutting against the clamping block. According to the scheme, the middle frame and the aluminum casting can be limited, and therefore extrusion between the aluminum casting and the middle frame is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a structure for preventing a middle frame of a backlight module from deforming. Background Art

[0002] Currently, a vehicle-mounted backlight module is used to provide a light source for a vehicle-mounted display screen so that the vehicle-mounted display screen displays patterns.

[0003] In the related art, the middle frame is generally fixed to the aluminum casting by double-sided adhesive. However, during the assembly process, the aluminum casting outside the middle frame is large in size and weight, and the double-sided adhesive is not sticky enough, which causes the aluminum casting to squeeze the middle frame, causing the middle frame to deform inward and enter the viewing area, thereby affecting the display effect. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a structure for preventing the middle frame of a backlight module from deforming, which can limit the middle frame and the aluminum casting, thereby preventing the aluminum casting and the middle frame from being squeezed.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] The first aspect of the present application provides a structure for preventing deformation of a middle frame of a backlight module, comprising: a casting, comprising a bracket and a limit stop block, the limit stop block is arranged on the bracket, and a groove is opened on the bracket; a middle frame, comprising a frame body, a bending block and a clamping block, the bending block is arranged on the frame body, the clamping block is arranged on the bending block, the clamping block is arranged in the groove, and the limit stop block is used to hold the clamping block.

[0007] The casting also includes a boss, which is arranged on the bracket, and the bending block is arranged on the boss.

[0008] A viewing area is provided on the frame.

[0009] The casting also includes a bearing platform, and the bearing platform is arranged on the bracket.

[0010] It also includes a colloid, which is arranged on the supporting platform.

[0011] It also includes a substrate, which is arranged on the frame.

[0012] The base plate and the bottom of the bracket form a receiving cavity.

[0013] It also includes a backlight film material, which is arranged in the accommodating cavity.

[0014] The limit stopper is provided with a first chamfered portion.

[0015] The clamping block is provided with a second chamfered portion.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] After the clamping block is installed in the groove, abutment occurs between the clamping block and the limit stop block, thereby limiting the frame and the bracket, thereby preventing the bracket and the frame from being squeezed and causing the frame to deform and enter the viewing area. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0019] Figure 1 This is a schematic structural diagram of a structure for preventing a middle frame of a backlight module from deforming in one embodiment of the utility model;

[0020] Figure 2 for Figure 1 An enlarged schematic diagram of

[0021] Figure 3 It is a structural schematic diagram of another implementation of the structure for preventing the middle frame of the backlight module from deforming in one embodiment of the utility model;

[0022] Figure 4 for Figure 3 An enlarged schematic diagram of . DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0024] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] The middle frame is generally fixed to the aluminum casting by double-sided adhesive. However, during the assembly process, the aluminum casting outside the middle frame is large in size and weight, and the double-sided adhesive is not sticky enough, which causes the aluminum casting to squeeze the middle frame, causing the middle frame to deform inward and enter the viewing area, thereby affecting the display effect.

[0027] In view of the above problems, the embodiment of the present application provides a structure for preventing the deformation of the middle frame of the backlight module, which can limit the middle frame and the aluminum casting, thereby preventing the aluminum casting and the middle frame from being squeezed.

[0028] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0029] See also Figures 1 to 4 A structure for preventing a middle frame of a backlight module from deforming comprises: a casting 100 and a middle frame 200, the casting 100 comprises a bracket 110 and a limit stopper 120, the limit stopper 120 is arranged on the bracket 110, and a groove 111 is opened on the bracket 110, the middle frame 200 comprises a frame body 210, a bending block 220 and a clamping block 230, the bending block 220 is arranged on the frame body 210, the clamping block 230 is arranged on the bending block 220, the clamping block 230 is arranged in the groove 111, and the limit stopper 120 is used to hold the clamping block 230.

[0030] It should be noted that there are two limit blocks 120 and two clamping blocks 230. After the clamping block 230 is installed in the groove 111, the clamping block 230 and the limit block 120 are supported, thereby limiting the frame 210 and the bracket 110, thereby preventing the bracket 110 and the frame 210 from being squeezed and causing the frame 210 to deform and enter the viewing area 211.

[0031] See also Figure 1 and Figure 2 In one embodiment, the casting 100 further includes a boss 130 , the boss 130 is disposed on the bracket 110 , and the bending block 220 is disposed on the boss 130 .

[0032] It should be noted that the arrangement of the boss 130 can support the bending block 220 so that the clamping block 230 fits more closely to the groove wall of the groove 111 .

[0033] See also Figure 2 In one embodiment, a viewing area 211 is provided on the frame 210. It should be noted that the viewing area 211 is the area displayed by the liquid crystal screen.

[0034] See also Figure 2 In one embodiment, the casting 100 further includes a support platform 140, and the support platform 140 is disposed on the bracket 110. It should be noted that the support platform 140 is used to support the frame 210.

[0035] See also Figure 2 In one embodiment, the colloid 300 is further included, and the colloid 300 is disposed on the carrier 140. It should be noted that the colloid 300 is a double-sided adhesive, which can bond the frame 210 and the bracket 110.

[0036] See also Figure 2 In one embodiment, the housing 210 further includes a substrate 400, which is disposed on the frame 210. Specifically, the substrate 400 and the bottom of the bracket 110 form a receiving cavity 500. Specifically, the housing 210 further includes a backlight film 600, which is disposed in the receiving cavity 500.

[0037] It should be noted that the accommodating cavity 500 is used to place the backlight film material 600 such as the light guide plate and the optical film. The substrate 400 can be provided to encapsulate the backlight film material 600, and the substrate 400 is usually a transparent substrate.

[0038] See also Figure 4 In one embodiment, the limit stopper 120 is provided with a first chamfered portion 121. Specifically, the clamping block 230 is provided with a second chamfered portion 231.

[0039] It should be noted that the first chamfered portion 121 and the second chamfered portion 231 are provided to prevent the limit stopper 120 and the clamping block 230 from being scratched during the holding process.

[0040] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0041] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A structure for preventing deformation of a middle frame of a backlight module, characterized in that: include: The casting comprises a bracket and a limit stopper, wherein the limit stopper is arranged on the bracket, and a groove is formed on the bracket; The middle frame comprises a frame body, a bending block and a clamping block, wherein the bending block is arranged on the frame body, the clamping block is arranged on the bending block, the clamping block is arranged in the groove, and the limit stop block is used to hold the clamping block.

2. The structure for preventing deformation of the middle frame of the backlight module according to claim 1, characterized in that: The casting also includes a boss, which is arranged on the bracket, and the bending block is arranged on the boss.

3. The structure for preventing deformation of the middle frame of the backlight module according to claim 1, characterized in that: A viewing area is provided on the frame.

4. The structure for preventing deformation of the middle frame of the backlight module according to claim 1, characterized in that: The casting also includes a bearing platform, and the bearing platform is arranged on the bracket.

5. The structure for preventing deformation of the middle frame of the backlight module according to claim 4, characterized in that: It also includes a colloid, which is arranged on the supporting platform.

6. The structure for preventing deformation of the middle frame of a backlight module according to claim 1, characterized in that: It also includes a substrate, which is arranged on the frame.

7. The structure for preventing deformation of the middle frame of the backlight module according to claim 6, characterized in that: The base plate and the bottom of the bracket form a receiving cavity.

8. The structure for preventing deformation of the middle frame of the backlight module according to claim 7, characterized in that: It also includes a backlight film material, which is arranged in the accommodating cavity.

9. The structure for preventing deformation of the middle frame of a backlight module according to claim 1, characterized in that: The limit stopper is provided with a first chamfered portion.

10. The structure for preventing deformation of the middle frame of a backlight module according to claim 1, characterized in that: The clamping block is provided with a second chamfered portion.

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