Backlight display module with enhanced assembly stability

Abstract

The utility model relates to a backlight display module with enhanced assembly stability. The backlight display module capable of enhancing the assembling stability comprises a cover plate, a liquid crystal assembly and a backlight assembly, wherein the liquid crystal assembly is arranged on the cover plate; the backlight assembly comprises a locking piece, a machine shell, a middle iron frame and a rear iron frame, the machine shell is arranged on the cover plate, a first through hole is formed in the machine shell, the middle iron frame is arranged on the rear iron frame, a second through hole is formed in the middle iron frame, a third through hole is formed in the rear iron frame, and the first through hole, the second through hole and the third through hole are sequentially communicated. The locking piece sequentially penetrates through the first through hole, the second through hole and the third through hole. According to the scheme provided by the invention, the installation stability of the backlight module can be improved.

Description

Technical Field

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

[0002] In the related art, a cover plate and a liquid crystal display screen are fixed together by an optical adhesive. However, the backlight module and the liquid crystal display screen are only fixed and connected by a double-sided adhesive, and there is no space at other positions for further bonding and reinforcement, resulting in poor stability of the backlight module. Especially in a high-temperature environment, the viscosity of the double-sided adhesive will be greatly weakened, and the backlight module is very easy to fall off. Summary of the Utility Model

[0003] An object of the utility model is to overcome the deficiencies in the prior art and provide a backlight display module for enhancing assembly stability, which can improve the installation stability of the backlight module.

[0004] The object of the utility model is achieved by the following technical solutions:

[0005] A first aspect of the present application provides a backlight display module for enhancing assembly stability, including: a cover plate; a liquid crystal component disposed on the cover plate; a backlight component including a locking member, a housing, a middle iron frame and a rear iron frame, the housing is disposed on the cover plate, a first through hole is formed in the housing, the middle iron frame is disposed on the rear iron frame, a second through hole is formed in the middle iron frame, a third through hole is formed in the rear iron frame, the first through hole, the second through hole and the third through hole are sequentially communicated, and the locking member sequentially passes through the first through hole, the second through hole and the third through hole.

[0006] The locking member is a screw.

[0007] The backlight component further includes a backlight film, a receiving cavity is formed between the middle iron frame and the rear iron frame, and the backlight film is disposed in the receiving cavity.

[0008] The backlight component further includes a light guide plate, the light guide plate is disposed in the receiving cavity, and the light guide plate is disposed on the backlight film.

[0009] The backlight component further includes an LED lamp and an FPC board, the FPC board is disposed on the rear iron frame, and the LED lamp is disposed on the FPC board.

[0010] The liquid crystal component includes a screen body and a first colloid, and the screen body is adhered to the middle iron frame by the first colloid.

[0011] The liquid crystal component further includes a second colloid, and the screen body is adhered to the cover plate by the second colloid.

[0012] The liquid crystal component further includes a chip, and the chip is disposed on the screen body.

[0013] The backlight component further includes a third colloid, one side of the third colloid is adhered to the housing, and the other side of the third colloid is adhered to the cover plate.

[0014] The backlight component further includes a fourth colloid, one side of the fourth colloid is adhered to the housing, and the other side of the fourth colloid is adhered to the cover plate.

[0015] Compared with the prior art, the present utility model has at least the following advantages:

[0016] In this application, by providing a locking member and using the locking member to fix the housing, the middle iron frame and the rear iron frame, the three parts are locked together, thereby improving the overall stability of the backlight module. Even in a high-temperature environment, loosening will not occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 will be briefly introduced below.

[0018] Figure 1 It is a schematic structural diagram of a backlight display module for enhancing assembly stability in an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The embodiments of the present application will be described in more detail with reference to the drawings. Although the embodiments of the present application are shown in the 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.

[0020] It should be understood that although the terms "first", "second", "third", etc. may be used in the present application to describe various information, these 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 the present 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 with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0021] Unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] The cover plate and the liquid crystal display screen are fixed together by optical glue. However, the backlight module and the liquid crystal display screen are only fixed and joined by double-sided tape, and there is no space at other positions for further bonding and reinforcement, resulting in relatively poor stability of the backlight module. Especially in a high-temperature environment, the viscosity of the double-sided tape will be greatly weakened, and the backlight module is very likely to fall off.

[0023] In view of the above problems, the embodiment of the present application provides a backlight display module for enhancing assembly stability, which can improve the installation stability of the backlight module.

[0024] The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] Please refer to Figure 1 , a backlight display module for enhancing assembly stability, including: a cover plate 100, a liquid crystal component 200 and a backlight component 300. The liquid crystal component 200 is arranged on the cover plate 100; the backlight component 300 includes a locking member 310, a housing 320, a middle iron frame 330 and a rear iron frame 340. The housing 320 is arranged on the cover plate 100, a first through hole 321 is opened on the housing 320, the middle iron frame 330 is arranged on the rear iron frame 340, a second through hole 331 is opened on the middle iron frame 330, a third through hole 341 is opened on the rear iron frame 340, the first through hole 321, the second through hole 331 and the third through hole 341 are communicated in sequence, and the locking member 310 passes through the first through hole 321, the second through hole 331 and the third through hole 341 in sequence.

[0026] It should be noted that the locking member 310 is a screw, the second through hole 331 is a threaded hole, and both the first through hole 321 and the third through hole 341 are avoidance holes. And after the screw is tightened, its tail exceeds the second through hole 331 but does not exceed the third through hole 341 to protect the backlight film 350. In this way, by setting the locking member 310 in the present application, the housing 320, the middle iron frame 330 and the rear iron frame 340 are fixed by the locking member 310, so that the three parts are locked together, thereby improving the overall stability of the backlight module, and it will not become loose even in a high-temperature environment.

[0027] Please refer to Figure 1, in one embodiment, the backlight assembly 300 further includes a backlight film sheet 350. An accommodation cavity 360 is formed between the middle iron frame 330 and the rear iron frame 340, and the backlight film sheet 350 is disposed in the accommodation cavity 360.

[0028] It should be noted that the backlight film sheet 350 includes film sheets such as a brightness enhancement film and a diffusion film.

[0029] Please refer to Figure 1 , in one embodiment, the backlight assembly 300 further includes a light guide plate 370. The light guide plate 370 is disposed in the accommodation cavity 360 and is disposed on the backlight film sheet 350.

[0030] It should be noted that the light guide plate 370 is used to convert a point light source into a surface light source.

[0031] Please refer to Figure 1 , in one embodiment, the backlight assembly 300 further includes an LED lamp 380 and an FPC board 390. The FPC board 390 is disposed on the rear iron frame 340, and the LED lamp 380 is disposed on the FPC board 390.

[0032] It should be noted that the LED lamp 380 is the light-emitting source of the backlight module and is integrated on the FPC board 390.

[0033] Please refer to Figure 1 , in one embodiment, the liquid crystal assembly 200 includes a screen body 210 and a first colloid 220. The screen body 210 is adhered to the middle iron frame 330 through the first colloid 220. Specifically, the liquid crystal assembly 200 further includes a second colloid 230, and the screen body 210 is adhered to the cover plate 100 through the second colloid 230.

[0034] It should be noted that the first colloid 220 is a double-sided adhesive, and the second colloid 230 is an optical adhesive.

[0035] Please refer to Figure 1 , in one embodiment, the liquid crystal assembly 200 further includes a chip 240. The chip 240 is disposed on the screen body 210.

[0036] It should be noted that the chip 240 is used to control the display content of the display screen.

[0037] Please refer to Figure 1 , in one embodiment, the backlight assembly 300 further includes a third colloid 3100. One side of the third colloid 3100 is adhered to the housing 320, and the other side of the third colloid 3100 is adhered to the cover plate 100.

[0038] It should be noted that the third colloid 3100 is also a double-sided adhesive and is used to bond the housing 320 and the cover plate 100 together.

[0039] Please refer toFigure 1 , in one embodiment, the backlight assembly 300 further includes a fourth colloid 3200. One side of the fourth colloid 3200 is adhered to the chassis 320, and the other side of the fourth colloid 3200 is adhered to the cover plate 100.

[0040] It should be noted that the fourth colloid 3200 is double-sided adhesive and is also used to bond the chassis 320 and the cover plate 100 together.

[0041] The solutions of the present application have been described in detail with reference to the accompanying drawings above. In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not described in detail in a certain embodiment, reference may 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 essential to the present application. Additionally, it can be understood that the steps in the method embodiments of the present application can be adjusted, combined, and deleted according to actual needs, and the modules in the device embodiments of the present application can be combined, divided, and deleted according to actual needs.

[0042] The various embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technologies in the market, or to enable other ordinary skilled persons in the technical field to understand the disclosed embodiments herein.

Claims

1. A backlight display module with enhanced assembly stability, characterized in that: include: Cover plate; A liquid crystal component, wherein the liquid crystal component is disposed on the cover plate; A backlight assembly, the backlight assembly includes a locking member, a casing, a middle iron frame and a rear iron frame, the casing is arranged on the cover plate, the casing is provided with a first through hole, the middle iron frame is arranged on the rear iron frame, the middle iron frame is provided with a second through hole, the rear iron frame is provided with a third through hole, the first through hole, the second through hole and the third through hole are connected in sequence, and the locking member passes through the first through hole, the second through hole and the third through hole in sequence.

2. The backlight display module with enhanced assembly stability according to claim 1, characterized in that: The locking piece is a screw.

3. The backlight display module with enhanced assembly stability according to claim 1, characterized in that: The backlight assembly further comprises a backlight film. A receiving cavity is formed between the middle iron frame and the rear iron frame, and the backlight film is arranged in the receiving cavity.

4. The backlight display module with enhanced assembly stability according to claim 3, characterized in that: The backlight assembly further comprises a light guide plate, which is arranged in the accommodating cavity and on the backlight film.

5. The backlight display module with enhanced assembly stability according to claim 1, characterized in that: The backlight assembly also includes an LED lamp and an FPC board. The FPC board is arranged on the rear iron frame, and the LED lamp is arranged on the FPC board.

6. The backlight display module with enhanced assembly stability according to claim 1, characterized in that: The liquid crystal assembly comprises a screen body and a first colloid, and the screen body is adhered to the middle iron frame through the first colloid.

7. The backlight display module with enhanced assembly stability according to claim 6, characterized in that: The liquid crystal assembly further includes a second colloid, and the screen body is adhered to the cover plate through the second colloid.

8. The backlight display module with enhanced assembly stability according to claim 6, characterized in that: The liquid crystal component further comprises a chip, and the chip is arranged on the screen body.

9. The backlight display module with enhanced assembly stability according to claim 8, characterized in that: The backlight assembly further comprises a third colloid, one side of the third colloid is adhered to the housing, and the other side of the third colloid is adhered to the cover plate.

10. The backlight display module with enhanced assembly stability according to claim 9, characterized in that: The backlight assembly further comprises a fourth colloid, one side of the fourth colloid is adhered to the housing, and the other side of the fourth colloid is adhered to the cover plate.

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