Backlit structure with tear-away protective film

Abstract

The utility model discloses a backlight structure with an easy-to-tear protective film, comprising: a backlight frame, an optical component, a light-shielding rubber pad and a protective film, wherein a limited position cavity is provided on the backlight frame; the optical component is accommodated in the limited position cavity; the four peripheries of the light-shielding rubber pad are attached to the four peripheries of the backlight frame, and a double-sided adhesive is attached to a side surface of the light-shielding rubber pad away from the optical component; the protective film comprises a protective film body and an isolation film, wherein the isolation film is arranged on a side surface of the protective film body, the isolation film covers a side surface of the double-sided adhesive away from the light-shielding rubber pad, and the isolation film is located between the protective film body and the double-sided adhesive, and the isolation film is used to separate the protective film body and the double-sided adhesive. In this way, the protective film body and the double-sided adhesive can be separated by the isolation film, so as to avoid excessive bonding force between the double-sided adhesive and the protective film, so that the protective film body and the double-sided adhesive are difficult to separate; thereby making the protective film easier to tear off, thereby improving production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of display module production and manufacturing, in particular to a backlight structure with an easy-to-tear protective film. Background Art

[0002] See also Figure 1 As shown, the display module generally includes a cover plate 11, a display screen 12 and a backlight structure 10, and the backlight structure 10 is used to provide a light source for the display module. In the production process of the display module, in order to prevent the display screen and the lower end of the backlight from being separated after the reliability test of the whole machine, resulting in dust ingress and other defects, a double-sided adhesive 500 is usually added to the light-shielding glue at the lower end of the backlight structure. The double-sided adhesive 500 can increase the bonding area between the backlight structure and the glass in the display screen. After assembly, the double-sided adhesive is bonded and fixed to the lower glass of the display screen. However, since a protective film will be attached to the surface of the backlight monomer when it is received, and since the protective film is bonded and fixed to the double-sided adhesive, it will be easy to cause the protective film to be difficult to tear off and difficult to separate, affecting production efficiency. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a backlight structure with an easy-to-tear protective film.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A backlight structure with an easily-tearable protective film, comprising:

[0006] A backlight frame, wherein a limited position cavity is provided on the backlight frame;

[0007] An optical component, the optical component is accommodated in the limiting cavity;

[0008] A light-shielding rubber pad, wherein the four edges of the light-shielding rubber pad are attached to the four edges of the backlight frame, and a double-sided adhesive is attached to a side of the light-shielding rubber pad away from the optical component; and

[0009] The protective film comprises a protective film body and an isolation film, wherein the isolation film is arranged on one side of the protective film body, the isolation film covers the side of the double-sided adhesive away from the light-shielding adhesive pad, and the isolation film is located between the protective film body and the double-sided adhesive, and the isolation film is used to separate the protective film body and the double-sided adhesive.

[0010] In one embodiment, a tear handle is provided on one end of the protective film body close to the isolation film.

[0011] In one embodiment, a protrusion is provided on the isolation membrane, and the protrusion extends to the tear handle.

[0012] In one embodiment, the protective film body is a PET protective film body.

[0013] In one embodiment, the release force of the adhesive surface of the protective film body is 50-100g.

[0014] In one embodiment, a side surface of the isolation film facing the protective film body is a first adhesive surface, and a release force of the first adhesive surface is greater than 100g.

[0015] In one embodiment, the side of the isolation film facing the double-sided adhesive is a second adhesive surface, and the release force of the second adhesive surface is less than 5g.

[0016] In one embodiment, the isolation film is a PET isolation film.

[0017] In one of the embodiments, the backlight frame is an integrated rubber-iron frame.

[0018] In one embodiment, the optical component includes a reflective film, a light guide plate, a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are stacked in sequence, and the reflective film is located on the bottom surface of the limiting cavity.

[0019] Compared with the prior art, the utility model has at least the following advantages:

[0020] The backlight structure with an easy-to-tear protective film of the utility model is provided with a backlight frame, an optical component, a light-shielding rubber pad and a protective film, so that the protective film body and the double-sided adhesive can be separated by the isolation film, so as to avoid excessive bonding between the double-sided adhesive and the protective film, which makes it difficult to separate the protective film body from the double-sided adhesive. In this way, by adding the isolation film, the protective film is easier to tear off, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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.

[0022] Figure 1 It is a structural schematic diagram of a display module;

[0023] Figure 2 This is a schematic diagram of the stacking structure of a backlight structure with an easy-to-tear protective film in one embodiment of the utility model;

[0024] Figure 3 It is a front view structural schematic diagram of a backlight structure with an easy-to-tear protective film in one embodiment of the utility model;

[0025] Figure 4 for Figure 3A schematic front view of the protective film in one embodiment of the backlight structure with an easily-tearable protective film;

[0026] Figure 5 for Figure 4 A schematic diagram of the side view structure of the protective film in FIG.

[0027] Figure 6 for Figure 3 A schematic diagram of the front view structure of the protective film in another embodiment of the backlight structure with an easily tearable protective film. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a backlight structure 10 with an easily-tearable protective film includes: a backlight frame 100, an optical component 200, a shading rubber pad 300 and a protective film 400, wherein a limited position cavity is provided on the backlight frame 100; the optical component 200 is accommodated in the limited position cavity; the four edges of the shading rubber pad 300 are attached to the four edges of the backlight frame 100, and a double-sided adhesive 500 is attached to a side surface of the shading rubber pad 300 away from the optical component 200; the protective film 400 includes a protective film body 410 and an isolation film 420, the isolation film 420 is arranged on a side surface of the protective film body 410, the isolation film 420 covers a side surface of the double-sided adhesive 500 away from the shading rubber pad 300, and the isolation film 420 is located between the protective film body 410 and the double-sided adhesive 500, and the isolation film 420 is used to separate the protective film body 410 and the double-sided adhesive 500.

[0030] It should be noted that in order to avoid the separation of the display screen and the lower end of the backlight after the reliability test of the whole machine, resulting in dust and other defects, a double-sided adhesive 500 is added to the side of the light-shielding pad 300 away from the optical component 200, and the double-sided adhesive 500 is used to increase the bonding area between the backlight structure and the glass in the display screen; however, when the backlight monomer is received, a protective film will be attached to the surface. Since the protective film and the double-sided adhesive are bonded and fixed, the bonding strength between the two is large, which will cause the protective film to be difficult to tear off, thus affecting the production efficiency. Therefore, in this embodiment, by changing the structure of the protective film 400, that is, adding an isolation film 420 to the protective film body 410, the isolation film 420 separates the protective film body 410 and the double-sided adhesive 500, so as to avoid the excessive bonding strength between the protective film body 410 and the double-sided adhesive 500, which makes it difficult to tear off the protective film body 410. In this way, the protective film 400 can be made easier to tear, thereby improving the production efficiency.

[0031] In one embodiment, a tear handle 411 is provided on one end of the protective film body 410 close to the isolation film 420. The tear handle 411 makes it easier for the operator to apply a tearing force to the protective film body 410, thereby making it easier to release the protective film 400.

[0032] Furthermore, a protrusion 421 is provided on the isolation film 420, and the protrusion 421 extends to the tear handle 411. That is, the protrusion 421 overlaps with the tear handle 411, so that it is easier to tear off the protective film body 410 and the isolation film 420 at one time; further, the isolation film 420 can be a colored isolation film, so that the tear handle 411 is easier to identify in appearance, so as to quickly tear off the protective film.

[0033] Preferably, the protective film body 400 is a PET (polyester) protective film body. The PET protective film body has excellent mechanical properties, strong toughness, high tensile strength and impact strength, so it is more wear-resistant and not easy to be damaged, thereby improving the protection of the backlight structure.

[0034] Preferably, the release force of the adhesive surface of the protective film body 400 is 50-100 g.

[0035] Preferably, the side of the isolation film 420 facing the protective film body 410 is a first adhesive surface, and the release force of the first adhesive surface is greater than 100g, so that the isolation film 420 can be easily attached to the protective film body 410.

[0036] Preferably, the side of the isolation film 420 facing the double-sided adhesive 500 is the second adhesive surface, and the release force of the second adhesive surface is less than 5g. In this way, since the release force between the isolation film 420 and the double-sided adhesive 500 is very small, when the protective film is torn off, it is easier to separate from the double-sided adhesive due to the addition of the isolation film 420.

[0037] Preferably, the isolation film 420 is a PET (polyester) isolation film.

[0038] Preferably, the backlight frame 100 is a rubber-iron integrated frame.

[0039] In one embodiment, the optical assembly 200 includes a reflective film 210, a light guide plate 220, a diffusion film 230, a lower brightness enhancement film 240, and an upper brightness enhancement film 250 which are stacked in sequence, and the reflective film 210 is located on the bottom surface of the limiting cavity. The reflective film 210 reflects light, thereby reducing light loss; the light guide plate 220 converts the side light source into a surface light source, thereby evenly distributing the light; the diffusion film 230 can further improve the uniformity of the light; the lower brightness enhancement film 240 and the upper brightness enhancement film 250 can further improve the brightness of the light, etc.

[0040] 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 backlight structure with an easily tearable protective film, characterized in that: include: A backlight frame, wherein a limited position cavity is provided on the backlight frame; An optical component, the optical component is accommodated in the limiting cavity; A light-shielding rubber pad, wherein the four edges of the light-shielding rubber pad are attached to the four edges of the backlight frame, and a double-sided adhesive is attached to a side of the light-shielding rubber pad away from the optical component; and The protective film comprises a protective film body and an isolation film, wherein the isolation film is arranged on one side of the protective film body, the isolation film covers the side of the double-sided adhesive away from the light-shielding adhesive pad, and the isolation film is located between the protective film body and the double-sided adhesive, and the isolation film is used to separate the protective film body and the double-sided adhesive.

2. The backlight structure with an easily tearable protective film according to claim 1, characterized in that: A tear handle is arranged on one end of the protective film body close to the isolation film.

3. The backlight structure with an easily tearable protective film according to claim 2, characterized in that: The isolation film is provided with a protrusion, and the protrusion extends to the tear handle.

4. The backlight structure with an easily tearable protective film according to claim 3, characterized in that: The protective film body is a PET protective film body.

5. The backlight structure with an easily tearable protective film according to claim 3, characterized in that: The release force of the adhesive surface of the protective film body is 50-100g.

6. The backlight structure with an easily-tearable protective film according to claim 5, characterized in that: A side surface of the isolation film facing the protective film body is a first adhesive surface, and a release force of the first adhesive surface is greater than 100g.

7. The backlight structure with an easily tearable protective film according to claim 6, characterized in that: The side of the isolation film facing the double-sided adhesive is a second adhesive surface, and the release force of the second adhesive surface is less than 5g.

8. The backlight structure with an easily tearable protective film according to claim 1, characterized in that: The isolation film is a PET isolation film.

9. The backlight structure with an easily-tearable protective film according to any one of claims 1 to 8, characterized in that: The backlight frame is a rubber-iron integrated frame.

10. The backlight structure with an easily tearable protective film according to any one of claims 1 to 8, characterized in that: The optical component comprises a reflective film, a light guide plate, a diffusion film, a lower brightness enhancement film and an upper brightness enhancement film which are stacked in sequence, and the reflective film is located on the bottom surface of the limiting cavity.

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