A middle plastic frame structure for improving the pressure of backlight film

Abstract

The utility model discloses a middle rubber frame structure for improving the pressure of backlight film materials, comprising: a rubber frame body, a rear iron frame is arranged on one end face of the rubber frame body, a light guide plate, a reflective sheet and an optical film are arranged in the rubber frame body, a display screen is arranged on the side of the rubber frame body away from the rear iron frame, a driver IC is bound to the display screen, and a reinforcing rib for strengthening the strength of the rubber frame body is arranged at the binding position of the rubber frame body relative to the driver IC. The middle rubber frame structure has the effect of improving the strength and compressive deformation resistance of the rubber frame body, and improving the phenomenon that the optical film in the rubber frame body is crushed due to the downward pressure of the display screen after the rubber frame body and the display screen are assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight modules, in particular to a middle plastic frame structure for improving the pressure on backlight film materials. Background Art

[0002] Liquid crystal display devices are widely used in various information, communication and consumer electronic products. Liquid crystal display modules are mainly composed of a backlight module and a liquid crystal display screen.

[0003] In the prior art, the backlight module with the middle plastic frame needs to be assembled with the backlight module because one side of the LCD screen needs to be placed in the middle plastic frame. Since the glass is relatively large in shape, when it is attached to one side of the middle plastic frame, the plastic frame has limited strength in supporting the LCD screen, which can easily cause the plastic frame to deform, especially on the side of the display screen where the driver IC is installed, where the gravity pressure on the plastic frame is more obvious. Therefore, after the LCD screen is assembled, the gravity of the LCD screen will cause the middle plastic frame to press down, which may damage the backlight film. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a middle plastic frame structure which improves the pressure on backlight film materials.

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

[0006] A middle plastic frame structure for improving the pressure on backlight film materials comprises: a plastic frame body, a rear iron frame is arranged on one end face of the plastic frame body, a light guide plate, a reflective sheet and an optical film are arranged inside the plastic frame body, a display screen is accommodated on the side of the plastic frame body away from the rear iron frame, a driver IC is bound to the display screen, and a reinforcing rib for strengthening the strength of the plastic frame body is arranged at the binding position of the plastic frame body relative to the driver IC.

[0007] In one embodiment, the light guide plate is arranged along the length direction of the rubber frame body, and the light guide plate is fixed between the rubber frame body and the rear iron frame.

[0008] In one embodiment, the light guide plate includes a light incident surface and a light emitting surface, the reflective sheet is arranged on the light incident surface of the light guide plate, the reflective sheet is attached to the side of the light guide plate facing the rear iron frame, the optical film is arranged on the light emitting surface of the light guide plate, and the optical film is located on the side of the light guide plate facing the rubber frame body.

[0009] In one embodiment, a foam double-sided adhesive is provided between the display screen and the rubber frame body for bonding and fixing. The foam double-sided adhesive is provided along the inner circumferential direction of the rubber frame body, and one side of the display screen is adhered to the foam double-sided adhesive.

[0010] In one embodiment, the display screen includes an upper polarizer, an upper layer of glass, a lower layer of glass, and a lower polarizer arranged in sequence, the size of the lower layer of glass is larger than that of the upper layer of glass, and the driver IC is bound to a side of the lower layer of glass facing the upper layer of glass.

[0011] In one embodiment, the reinforcing rib is located on a side of the rubber frame body away from the rear iron frame, and the reinforcing rib is arranged along the length direction of the rubber frame body.

[0012] In one embodiment, the reinforcing rib is disposed adjacent to the lower layer of glass and the optical film, respectively, and the reinforcing rib is located on a side of the lower layer of glass away from the driver IC.

[0013] In one embodiment, the thickness of the reinforcing rib is 0.8-1.0 mm.

[0014] In one embodiment, the reinforcing rib is 0.5-1.0 mm away from the double-sided adhesive of the foam.

[0015] In one embodiment, the distance between the reinforcing rib and the lower layer of glass is 0.2-0.5 mm.

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

[0017] The utility model provides a middle rubber frame structure for improving the compression of backlight film materials by arranging reinforcing ribs, wherein the reinforcing ribs are located between the display screen and the optical film, and the reinforcing ribs are located on the side of the lower glass away from the driver IC, so as to improve the strength and compressive deformation resistance of the rubber frame body. After the rubber frame body and the display screen are assembled, the influence of the gravity pressure of the display screen on the optical film in the rubber frame body can be improved, and the optical film can be avoided from being crushed, thereby improving the quality of the product. 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 A schematic diagram of the structure of a middle plastic frame structure for improving the pressure on backlight film provided by the utility model;

[0020] Figure 2 A schematic structural diagram of a middle plastic frame body of a middle plastic frame structure for improving the pressure on backlight film provided by the utility model;

[0021] Figure 3 A schematic diagram of the structure of the assembly of a display screen and a plastic frame body in a middle plastic frame structure for improving the pressure on a backlight film provided by the utility model;

[0022] Figure 4 for Figure 3 Enlarged schematic diagram of part A.

[0023] Description of the drawings: 10, plastic frame body; 20, rear iron frame; 30, light guide plate; 40, reflector; 50, optical film; 60, LED light; 70, display screen; 71, upper polarizer; 72, upper glass; 73, lower glass; 74, lower polarizer; 80, double-sided foam adhesive; 90, driver IC; 100, reinforcing ribs. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0025] A middle plastic frame structure for improving the pressure of backlight film, referring to Figure 1 , including a plastic frame body 10, the plastic frame body 10 is arranged in a hollow rectangular shape, a rear iron frame 20 is arranged on one end surface of the plastic frame body 10, one side of the plastic frame body 10 is fixed to the rear iron frame 20, and the surrounding of the plastic frame body 10 is located on the periphery of the rear iron frame 20.

[0026] Reference Figure 2 The rear iron frame 20 contains a light guide plate 30 , which is arranged along the length direction of the rear iron frame 20 . The light guide plate 30 is located on one side of the plastic frame body 10 , and the light guide plate 30 is fixed between the plastic frame body 10 and the rear iron frame 20 .

[0027] Reference Figure 2 The light guide plate 30 includes a light incident surface and a light emitting surface. A reflective sheet 40 is disposed on the light incident surface of the light guide plate 30 . The reflective sheet 40 is disposed along the length direction of the light guide plate 30 . The reflective sheet 40 is attached to the side of the light guide plate 30 facing the rear iron frame 20 .

[0028] Reference Figure 2 An optical film 50 is disposed on the light emitting surface of the light guide plate 30, and the optical film 50 is located on the side of the light guide plate 30 away from the reflective sheet 40, and the optical film 50 is located on the side of the light guide plate 30 facing the plastic frame body 10. The optical film 50 includes a diffusion film, an upper brightness enhancement film, and a lower brightness enhancement film, and the diffusion film, the upper brightness enhancement film, and the lower brightness enhancement film are sequentially attached to the light emitting surface of the light guide plate 30.

[0029] Reference Figure 2 The light incident surface of the light guide plate 30 is also provided with an LED lamp 60 for providing light. The LED lamp 60 is located directly below the light guide plate 30. The light emitted by the LED lamp 60 enters the light guide plate 30 through the reflective sheet 40 at the light incident surface of the light guide plate 30, and is reflected by the optical film 50 into the display screen 70.

[0030] Reference Figure 3 and Figure 4A display screen 70 is provided on one side of the rubber frame body 10 away from the rear iron frame 20. The display screen 70 is accommodated in the rubber frame body 10. A foam double-sided adhesive 80 for bonding and fixing is provided between the display screen 70 and the rubber frame body 10. The foam double-sided adhesive 80 is arranged along the inner circumferential direction of the rubber frame body 10, and one side of the display screen 70 is adhered to the foam double-sided adhesive 80.

[0031] Reference Figure 3 and Figure 4 The display screen 70 includes an upper polarizer 71, an upper glass 72, a lower glass 73 and a lower polarizer 74 arranged in sequence, and the side of the lower polarizer 74 away from the lower glass 73 contacts the plastic frame body 10. The size of the lower glass 73 is larger than that of the upper glass 72, and a driving IC 90 is arranged on the side of the lower glass 73 facing the upper glass 72, and the driving IC 90 is bound to the range of the lower glass 73 beyond the upper glass 72.

[0032] Reference Figure 3 and Figure 4 The frame body 10 is provided with a reinforcing rib 100 for supporting the frame body 10. The reinforcing rib 100 is located on the side of the frame body 10 away from the rear iron frame 20, and the reinforcing rib 100 is located on the side of the frame body 10 facing the display screen 70. The reinforcing rib 100 is arranged along the length direction of the frame body 10. The reinforcing rib 100 is arranged on the side of the lower glass 73 away from the binding position of the driver IC 90.

[0033] Further, refer to Figure 3 and Figure 4 The thickness of the reinforcing rib 100 is 0.8-1.0 mm, and the reinforcing rib 100 is arranged adjacent to the foam double-sided adhesive 80. The distance between the reinforcing rib 100 and the foam double-sided adhesive 80 is 0.5-1.0 mm. The distance between the reinforcing rib 100 and the display screen 70 is 0.2-0.5 mm, that is, the distance between the reinforcing rib 100 and the lower glass 73 is 0.2-0.5 mm.

[0034] Reference Figure 3 and Figure 4 The reinforcing ribs 100 are respectively arranged adjacent to the lower glass 73 and the optical film 50, and the reinforcing ribs 100 are located on the side of the lower glass 73 away from the driver IC 90. The reinforcing ribs 100 can improve the strength and compressive deformation resistance of the frame body 10, and can improve the impact of the display screen 70 on the optical film 50 in the frame body 10 due to the downward pressure of gravity after the frame body 10 and the display screen 70 are assembled, thereby avoiding crushing of the optical film 50, thereby improving the quality of the product.

[0035] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A middle plastic frame structure for improving the pressure of backlight film, characterized in that: include: A plastic frame body (10), a rear iron frame (20) is arranged on one end face of the plastic frame body (10), a light guide plate (30), a reflective sheet (40) and an optical film (50) are arranged inside the plastic frame body (10), a display screen (70) is arranged on a side of the plastic frame body (10) away from the rear iron frame (20), a driver IC (90) is bound to the display screen (70), and a reinforcing rib (100) for reinforcing the strength of the plastic frame body (10) is arranged at a binding position of the driver IC (90) of the plastic frame body (10).

2. The middle plastic frame structure for improving the pressure of backlight film according to claim 1, characterized in that: The light guide plate (30) is arranged along the length direction of the rubber frame body (10), and the light guide plate (30) is fixed between the rubber frame body (10) and the rear iron frame (20).

3. The middle plastic frame structure for improving the pressure of backlight film according to claim 2, characterized in that: The light guide plate (30) comprises a light incident surface and a light emitting surface, the reflective sheet (40) is arranged on the light incident surface of the light guide plate (30), the reflective sheet (40) is attached to the side of the light guide plate (30) facing the rear iron frame (20), the optical film (50) is arranged on the light emitting surface of the light guide plate (30), and the optical film (50) is located on the side of the light guide plate (30) facing the rubber frame body (10).

4. The middle plastic frame structure for improving the pressure of backlight film material according to claim 3, characterized in that: A foam double-sided adhesive (80) for bonding and fixing is provided between the display screen (70) and the rubber frame body (10); the foam double-sided adhesive (80) is provided along the inner circumferential direction of the rubber frame body (10); one side of the display screen (70) is adhered to the foam double-sided adhesive (80).

5. The middle plastic frame structure for improving the pressure of backlight film according to claim 4, characterized in that: The display screen (70) comprises an upper polarizer (71), an upper layer of glass (72), a lower layer of glass (73), and a lower polarizer (74) which are arranged in sequence; the size of the lower layer of glass (73) is larger than the size of the upper layer of glass (72); and the driver IC (90) is bound to a side of the lower layer of glass (73) facing the upper layer of glass (72).

6. The middle plastic frame structure for improving the pressure of backlight film according to claim 5, characterized in that: The reinforcing rib (100) is located on a side of the rubber frame body (10) away from the rear iron frame (20), and the reinforcing rib (100) is arranged along the length direction of the rubber frame body (10).

7. The middle plastic frame structure for improving the pressure of backlight film according to claim 6, characterized in that: The reinforcing rib (100) is disposed adjacent to the lower layer of glass (73) and the optical film (50), respectively, and the reinforcing rib (100) is located on a side of the lower layer of glass (73) away from the driver IC (90).

8. The middle plastic frame structure for improving the pressure of backlight film according to claim 7, characterized in that: The thickness of the reinforcing rib (100) is 0.8-1.0 mm.

9. The middle plastic frame structure for improving the pressure of backlight film according to claim 8, characterized in that: The reinforcing rib (100) is 0.5-1.0 mm away from the foam double-sided adhesive (80).

10. The middle plastic frame structure for improving the pressure of backlight film material according to claim 9, characterized in that: The distance between the reinforcing rib (100) and the lower layer of glass (73) is 0.2-0.5 mm.

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