Adhesive plate for attaching polaroid

Abstract

The utility model relates to the technical field of polaroid attachment, and discloses an adhesive plate for polaroid attachment, which comprises a polaroid body, and a weak adhesive layer is adhered on the upper surface of the polaroid body. According to the adhesive plate for attaching the polaroid, due to the arrangement of the weak adhesive layer, the upper surface and the lower surface of the weak adhesive layer are respectively coated with an organic silica gel adhesive, and the positions of the rectangular groove and the square groove need to be avoided when the organic silica gel adhesive is coated, so that the contact area of the PET substrate and the polaroid body is reduced, and the peeling strength is relatively low; in this way, the PET substrate can be rapidly separated from the polaroid body. Meanwhile, the L-shaped positioning strips and the positioning strip bodies are made of black opaque PET materials, and the outer wall boundaries of the four L-shaped positioning strips and the four positioning strip bodies are aligned with the PET substrate, the anti-static layer and the outer walls of the four corners of the polaroid body, so that visual focusing can be well achieved, and the polaroid body is attached to the liquid crystal display screen in a high-precision mode.

Description

Technical Field

[0001] This utility model relates to the field of polarizer bonding technology, specifically an adhesive plate for attaching polarizers. Background Technology

[0002] In the production of LCD screens, polarizers must be attached. Current technology mainly uses vacuum attachment plates with bonding rollers for attachment. However, this method cannot visually align the adhesive during the attachment process, resulting in very low precision control. Secondly, the adhesives used between the existing PET board and the polarizer are strong adhesives, which often make it difficult for the PET board to detach from the polarizer, causing damage to the polarizer. Therefore, we propose an adhesive plate for attaching polarizers to solve the above problems. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides an adhesive plate for attaching polarizers, thus solving the problems mentioned in the background section.

[0004] The technical solution adopted by this utility model to solve its technical problem is: an adhesive plate for attaching polarizers, including a polarizer body, a weak adhesive layer attached to the upper surface of the polarizer body, an antistatic layer attached to the upper surface of the weak adhesive layer, a PET substrate fixedly connected to the upper surface of the antistatic layer, a plurality of grooves formed on the upper surface of the PET substrate, a strong adhesive layer attached to the upper surface of the PET substrate, and an adhesive layer attached to the upper surface of the strong adhesive layer.

[0005] Furthermore, the lower surface of the weak adhesive layer has several square grooves, and the upper surface of the weak adhesive layer has three rectangular grooves.

[0006] By adopting the above technical solution, the upper and lower surfaces of the weak adhesive layer are coated with silicone adhesive. When applying the silicone adhesive, the rectangular and square grooves should be avoided so that the PET substrate can be separated from the polarizer body.

[0007] Furthermore, a plurality of protruding blocks are fixedly connected to the lower surface of the strong adhesive layer, and a plurality of protruding blocks are fixedly connected to the upper surface of the strong adhesive layer, wherein the protruding blocks are adhered to the inside of the groove.

[0008] Furthermore, the lower surface of the adhesive layer is provided with several grooves, and L-shaped positioning strips are fixedly connected to the four corners of the adhesive layer. Four positioning strip bodies are fixedly connected to the outer wall of the upper surface of the adhesive layer.

[0009] Furthermore, a protruding block 2 is pasted inside the groove 2.

[0010] Furthermore, the weak adhesive layer is an organosilicon adhesive with a peel strength of 3 N / 25 mm² to 6 N / 25 mm² to the polarizer body, the PET substrate has a thickness of 40 to 80 micrometers, and the adhesive layer has a thickness of 0.3 to 0.6 millimeters.

[0011] The beneficial effects of this utility model are:

[0012] The adhesive plate for attaching polarizers features a weak adhesive layer. The upper and lower surfaces of this weak adhesive layer are coated with silicone adhesive. When applying the silicone adhesive, the rectangular and square grooves should be avoided. This reduces the contact area between the PET substrate and the polarizer body, resulting in lower peel strength and allowing for rapid separation of the PET substrate from the polarizer body. Simultaneously, the L-shaped positioning strips and their bodies are made of black, opaque PET material. The outer edges of the four L-shaped positioning strips and their bodies are aligned with the four corners of the PET substrate, the antistatic layer, and the polarizer body. This ensures good visual alignment and allows for high-precision bonding of the polarizer body to the LCD screen. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a partial cross-sectional view of the structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the strong adhesive layer structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the weak adhesive layer structure of this utility model.

[0018] Explanation of reference numerals in the attached drawings: 1. Polarizing film body; 2. Weak adhesive layer; 21. Square groove; 22. Rectangular groove; 3. Antistatic layer; 4. PET substrate; 5. Groove one; 6. Strong adhesive layer; 61. Protrusion one; 62. Protrusion two; 7. Adhesive layer; 71. Groove two; 72. L-shaped positioning strip; 73. Positioning strip body. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Please see Figure 1 , 2An adhesive plate for attaching polarizers includes a polarizer body 1, a weak adhesive layer 2 attached to the upper surface of the polarizer body 1, an antistatic layer 3 attached to the upper surface of the weak adhesive layer 2, a PET substrate 4 fixedly connected to the upper surface of the antistatic layer 3, a plurality of grooves 5 formed on the upper surface of the PET substrate 4, a strong adhesive layer 6 attached to the upper surface of the PET substrate 4, and an adhesive layer 7 attached to the upper surface of the strong adhesive layer 6.

[0021] Reference Figure 2 , 4 As shown, the lower surface of the weak adhesive layer 2 has several square grooves 21, and the upper surface of the weak adhesive layer 2 has three rectangular grooves 22. By adopting the above technical solution, the upper and lower surfaces of the weak adhesive layer 2 are coated with silicone adhesive. When applying the silicone adhesive, the rectangular grooves 22 and square grooves 21 should be avoided, so that the PET substrate 4 can be separated from the polarizer body 1.

[0022] Reference Figure 1-4 As shown, several protrusions 61 are fixedly connected to the lower surface of the strong adhesive layer 6, and several protrusions 62 are fixedly connected to the upper surface of the strong adhesive layer 6. The protrusions 61 are pasted inside the groove 5.

[0023] Reference Figure 1-3 As shown, the lower surface of the adhesive layer 7 has several grooves 71, and L-shaped positioning strips 72 are fixedly connected to the four corners of the adhesive layer 7. Four positioning strip bodies 73 are fixedly connected to the outer wall of the upper surface of the adhesive layer 7. Through the cooperation of the weak adhesive layer 2, the square groove 21 and the rectangular groove 22, the upper and lower surfaces of the weak adhesive layer 2 are coated with silicone adhesive. When applying the silicone adhesive, the positions of the rectangular groove 22 and the square groove 21 should be avoided. This reduces the contact area between the PET substrate 4 and the polarizer body 1 and the peel strength is small, so that the PET substrate 4 can be quickly separated from the polarizer body 1. At the same time, the L-shaped positioning strips 72 and the positioning strip bodies 73 are made of black opaque PET material. The outer wall boundaries of the four L-shaped positioning strips 72 and the four positioning strip bodies 73 are aligned with the outer walls of the four corners of the PET substrate 4, the antistatic layer 3 and the polarizer body 1. This allows for good visual alignment and enables the polarizer body 1 to be attached to the liquid crystal display screen with high precision.

[0024] The inside of groove 2 71 is pasted with protrusion 2 62.

[0025] Reference Figure 1-2 As shown, the weak adhesive layer 2 is an organic silicone adhesive, which has a peel strength of 3 N / 25 mm² to 6 N / 25 mm² to the polarizer body 1. The thickness of the PET substrate 4 is 40 to 80 micrometers, and the thickness of the adhesive layer 7 is 0.3 to 0.6 millimeters.

[0026] During use, silicone adhesive is applied to the upper and lower surfaces of the weak adhesive layer 2. When applying the silicone adhesive, the rectangular groove 22 and the square groove 21 should be avoided. This reduces the contact area between the PET substrate 4 and the polarizer body 1, resulting in lower peel strength. This allows for quick separation of the PET substrate 4 from the polarizer body 1. At the same time, the L-shaped positioning strips 72 and positioning strip bodies 73 are made of black opaque PET material. The outer wall boundaries of the four L-shaped positioning strips 72 and the four positioning strip bodies 73 are aligned with the four corner outer walls of the PET substrate 4, the antistatic layer 3, and the polarizer body 1. This allows for good visual alignment and enables high-precision bonding of the polarizer body 1 to the LCD screen.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An adhesive plate for attaching polarizers, comprising a polarizer body (1), characterized in that: The upper surface of the polarizer body (1) is covered with a weak adhesive layer (2), the upper surface of the weak adhesive layer (2) is covered with an antistatic layer (3), the upper surface of the antistatic layer (3) is fixedly connected with a PET substrate (4), the upper surface of the PET substrate (4) is provided with a plurality of grooves (5), the upper surface of the PET substrate (4) is covered with a strong adhesive layer (6), and the upper surface of the strong adhesive layer (6) is covered with an adhesive layer (7).

2. The adhesive plate for attaching polarizers according to claim 1, characterized in that: The lower surface of the weak adhesive layer (2) has several square grooves (21), and the upper surface of the weak adhesive layer (2) has three rectangular grooves (22).

3. The adhesive plate for attaching polarizers according to claim 1, characterized in that: The lower surface of the strong adhesive layer (6) is fixedly connected with several protrusions (61), and the upper surface of the strong adhesive layer (6) is fixedly connected with several protrusions (62). The protrusions (61) are pasted inside the groove (5).

4. The adhesive plate for attaching polarizers according to claim 1, characterized in that: The lower surface of the adhesive layer (7) is provided with several grooves (71), and L-shaped positioning strips (72) are fixedly connected to the four corners of the adhesive layer (7). Four positioning strip bodies (73) are fixedly connected to the outer wall of the upper surface of the adhesive layer (7).

5. An adhesive plate for attaching polarizers according to claim 4, characterized in that: The interior of the groove 2 (71) is fitted with a protrusion 2 (62).

6. An adhesive plate for attaching polarizers according to claim 1, characterized in that: The weak adhesive layer (2) is an organic silicone adhesive with a peel strength of 3 N / 25 mm² to 6 N / 25 mm² to the polarizer body (1), the PET substrate (4) has a thickness of 40 to 80 micrometers, and the adhesive layer (7) has a thickness of 0.3 to 0.6 millimeters.

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