Black edge structure of cover plate

Abstract

The utility model discloses a black edge structure of a cover plate. The black edge structure comprises a first protective film layer, a second protective film layer, an adhesive layer and a black film layer, the adhesive layer is adhered to one surface of the first protective film layer; the adhesive layer is adhered to one surface of the second protective film layer; an opening is formed in the black film layer, and the first protective film layer and the second protective film layer are respectively adhered to two sides of the black film layer through the adhesive layer. The black film layer is used for being assembled on a cover plate of a display screen and is used for replacing liquid ink printed on a semi-transparent and semi-reflective film in the prior art. The black film layer is a solid-state black film and can achieve the effect that liquid ink in the cover plate shields a frame and components. Due to the fact that the liquidity of the liquid ink is extremely high, the semi-transparent and semi-reflective thin film can be prevented from being polluted by replacing the liquid ink with the solid black film layer. The structure of the application can protect the black film layer from being polluted.

Description

Technical Field

[0001] The utility model relates to the field of cover plates, in particular to a black edge structure of a cover plate. Background Art

[0002] The surface of the cover needs to be attached with a semi-transparent and semi-reflective film, the transmittance and reflectivity of which are both 50%. Liquid ink is printed on the surface of the semi-transparent and semi-reflective film, but the surface of the semi-transparent and semi-reflective film is easily contaminated by the liquid ink. If the staff wipes the ink on the semi-transparent and semi-reflective film, marks will be left on the semi-transparent and semi-reflective film, affecting the display effect. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a black edge structure of a cover plate.

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

[0005] A black edge structure of a cover plate, comprising: a first protective film layer, a second protective film layer, an adhesive layer and a black film layer. The adhesive layer is bonded to one side of the first protective film layer; the adhesive layer is bonded to one side of the second protective film layer; an opening is provided on the black film layer, and the first protective film layer and the second protective film layer are respectively bonded to both sides of the black film layer through the adhesive layer.

[0006] In one embodiment, the lengths of the first protective film layer and the second protective film layer are respectively greater than the length of the black film layer, and the widths of the first protective film layer and the second protective film layer are respectively greater than the width of the black film layer.

[0007] In one embodiment, the length of the first protective film layer is greater than the length of the second protective film layer, and the width of the first protective film layer is greater than the width of the second protective film layer.

[0008] In one embodiment, the length of the second protective film layer is 2.5 mm greater than the length of the black film layer.

[0009] In one embodiment, the thickness of the black film layer is 0.01 mm.

[0010] In one embodiment, the black film layer is a PET film layer.

[0011] In one embodiment, the first protective film layer, the second protective film layer and the black film layer are arranged in parallel.

[0012] In one embodiment, the second protective film layer is a rectangular parallelepiped structure, and positioning notches are arranged around the second protective film layer.

[0013] In one embodiment, the width of the first protective film layer is 2.0 mm greater than the width of the second protective film layer.

[0014] In one embodiment, a handle film layer is disposed on the first protective film layer.

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

[0016] The black edge structure of the cover plate of the utility model is provided with a sticky layer, a first protective film layer, a second protective film layer and a black film layer. The first protective film layer and the second protective film layer are protective films on the black film layer, so as to store the black film layer and protect the black film layer from pollution. The black film layer of the utility model is used to replace the liquid ink printed on the semi-transparent and semi-reflective film in the prior art. The black film layer is a solid black film, which can play the effect of shielding the frame and components of the liquid ink in the cover plate, and replacing the liquid ink with a solid black film layer can prevent the semi-transparent and semi-reflective film from being polluted, thereby avoiding wiping the semi-transparent and semi-reflective film, thereby improving the assembly yield of the semi-transparent and semi-reflective film attached to the cover plate. 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 are briefly introduced below.

[0018] Figure 1 This is a front structural diagram of a black edge structure of a cover plate in one embodiment of the utility model;

[0019] Figure 2 It is a side structural schematic diagram of the black edge structure of the cover plate in one embodiment of the utility model.

[0020] Reference numerals:

[0021] The first protective film layer 10 , the second protective film layer 20 , the positioning notch 21 , the black film layer 30 , and the opening 31 . DETAILED DESCRIPTION

[0022] 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.

[0023] The present application proposes an ink layer structure of a cover plate, comprising: a first protective film layer 10, a second protective film layer 20, a black film layer 30 and a viscous layer. Among them, the first protective film layer 10 and the second protective film layer 20 are protective films on the black film layer 30. The black film layer 30 is a solid, black film, which is arranged on the cover plate of the display screen to replace the liquid ink printed on the semi-transparent and semi-reflective film in the prior art. The black film layer 30 is a solid black film, which can play the role of shielding the frame and components of the liquid ink in the cover plate. Due to the extremely strong fluidity of the liquid ink, replacing the liquid ink with a solid black film layer 30 can prevent the contamination of the semi-transparent and semi-reflective film, and then avoid wiping the semi-transparent and semi-reflective film, thereby improving the assembly yield of the semi-transparent and semi-reflective film attached to the cover plate. The present application is convenient for protecting the black film layer 30 from contamination, and is convenient for transporting the black film layer 30 and attaching the black film layer 30 on the cover plate.

[0024] Specifically, see Figure 1 and Figure 2 , the two opposite sides of the adhesive layer are adhesive. One side of the first protective film layer 10 is bonded with an adhesive layer. One side of the second protective film layer 20 is bonded with an adhesive layer. An opening 31 is provided on the black film layer 30, and the opening 31 is for avoiding the display area on the cover plate. The part of the black film layer 30 other than the opening 31 is the non-display area of ​​the cover plate. The first protective film layer 10 and the second protective film layer 20 are respectively adhered to the two sides of the black film layer 30 through the adhesive layer. Preferably, the black film layer 30 is a PET film layer.

[0025] It should be noted that the first protective film layer 10 is a light release film, and the second protective film layer 20 is a heavy release film. Before attaching the black film layer 30 to the semi-transparent and semi-reflective film on the cover plate, the first protective film layer 10 needs to be torn off from the black film layer 30. The black film layer 30 is attached to the semi-transparent and semi-reflective film on one side of the first protective film layer 10, and the black film layer 30 attached with the second protective film layer 20 enters the next process with the cover plate. When assembling the LCD screen, the second protective film layer 20 is torn off from the black film layer 30, so that the other side of the black film layer 30 is attached to the LCD screen.

[0026] In one embodiment, see Figure 1 and Figure 2, the lengths of the first protective film layer 10 and the second protective film layer 20 are respectively greater than the length of the black film layer 30, the widths of the first protective film layer 10 and the second protective film layer 20 are respectively greater than the width of the black film layer 30, the dimensions of each side of the first protective film layer 10 and the second protective film layer 20 are greater than the dimensions of each side of the black film layer 30, and the length of the second protective film layer 20 is 2.5 mm greater than the length of the black film layer 30. The first protective film layer 10 and the second protective film layer 20 play a role in fully protecting the black film layer 30, preventing the black film layer 30 attached to the cover plate from being contaminated by the outside world, which affects the lamination effect of the black film layer 30 on the cover plate and the liquid crystal screen, and even affects the display effect of the display screen.

[0027] Furthermore, the length of the first protective film layer 10 is greater than the length of the second protective film layer 20, and the width of the first protective film layer 10 is greater than the width of the second protective film layer 20, so that the first protective film layer 10 can be easily torn off the second protective film layer 20. Furthermore, a handle film layer is provided on the first protective film layer 10, and the handle film layer is connected to the first protective film layer 10 and is provided at the edge of the first protective film layer 10. The automated equipment or the staff can easily tear the first protective film layer 10 off the second protective film layer 20 by pulling up the handle film layer, thereby improving the efficiency of film tearing. Further, the width of the first protective film layer 10 is greater than the width of the second protective film layer 20 by 2.0 mm.

[0028] In another embodiment, the thickness of ink printing in the prior art is generally 7um to 10um. Therefore, in order to make the thickness of the black film layer 30 close to the thickness of the ink, in this embodiment, the thickness of the black film layer 30 is set to 0.01mm, so as not to affect the bonding effect of the LCD screen. Furthermore, the first protective film layer 10, the second protective film layer 20 and the black film layer 30 are arranged in parallel to avoid wrinkles in the black film layer 30, so as to ensure the bonding effect of the black film layer 30 with the cover plate and the LCD screen. In addition, please refer to Figure 1 The second protective film layer 20 is a rectangular parallelepiped structure, and positioning notches 21 are arranged around the second protective film layer 20. The positioning notches 21 play a positioning effect when the cross mark is fitted in the next process, thereby improving the accuracy of fitting.

[0029] 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 black edge structure of a cover plate, It is characterized in that include: An adhesive layer, wherein two opposite sides of the adhesive layer are adhesive; A first protective film layer, wherein the adhesive layer is bonded to one side of the first protective film layer; A second protective film layer, wherein the adhesive layer is bonded to one side of the second protective film layer; A black film layer is provided with an opening, and the first protective film layer and the second protective film layer are respectively adhered to two sides of the black film layer through the adhesive layer.

2. The black edge structure of the cover plate according to claim 1, It is characterized in that The lengths of the first protective film layer and the second protective film layer are respectively greater than the length of the black film layer, and the widths of the first protective film layer and the second protective film layer are respectively greater than the width of the black film layer.

3. The black edge structure of the cover plate according to claim 1, It is characterized in that The length of the first protective film layer is greater than the length of the second protective film layer, and the width of the first protective film layer is greater than the width of the second protective film layer.

4. The black edge structure of the cover plate according to claim 2, It is characterized in that The length of the second protective film layer is 2.5 mm greater than the length of the black film layer.

5. The black edge structure of the cover plate according to claim 1, It is characterized in that The thickness of the black film layer is 0.01 mm.

6. The black edge structure of the cover plate according to claim 1, It is characterized in that The black film layer is a PET film layer.

7. The black edge structure of the cover plate according to claim 1, It is characterized in that The first protective film layer, the second protective film layer and the black film layer are arranged in parallel.

8. The black edge structure of the cover plate according to claim 1, It is characterized in that The second protective film layer is a rectangular parallelepiped structure, and positioning notches are arranged around the second protective film layer.

9. The black edge structure of the cover plate according to claim 1, It is characterized in that The width of the first protective film layer is greater than the width of the second protective film layer by 2.0 mm.

10. The black edge structure of the cover plate according to claim 1, It is characterized in that A handle film layer is arranged on the first protective film layer.

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