CN212460253U

CN212460253U - Easily return and tear full laminating module open

Info

Publication number: CN212460253U
Application number: CN202021110072.9U
Authority: CN
Inventors: 王宇泽; 许福生
Original assignee: Jiangxi Holitech Technology Co Ltd
Current assignee: Jiangxi Holitech Technology Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-02
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an easily return and tear full laminating module open, including apron and display module assembly, the LCD individual layer district surface of apron is provided with and lowly reaches the because of value isolation layer, lowly reach because of value isolation layer 4 and paste through silicone adhesive and display module assembly, through increasing lowly reach because of value isolation layer between apron and silicone adhesive for silicone adhesive can not be direct and apron on the black printing ink of the bottom of the cover take place the contact and form and reach the because of value contact surface, and reach when the because of value is less, the apron is glued with silicone and is returned when tearing open and more easily protect the individual layer district and not torn, promotes to reprocess the yield.

Description

Easily return and tear full laminating module open

Technical Field

The utility model belongs to the technical field of the liquid crystal display module technique and specifically relates to an easily return and tear open full laminating module.

Background

With the rapid development of liquid crystal display technology, people tend to make the requirements for mobile phones and the like of liquid crystal terminal equipment lighter and thinner. The thinning design which is applied to the aspect of display modules and adopts a non-plug-in scheme is more and more. Wherein silicone adhesive is dispensed at the position to improve the pressure resistance in order to strengthen the strength of the LCD single layer area with the thickness of 0.15 mm. However, the black ink on the bottom of the cover plate and the silicone adhesive have strong adhesiveness, so that the difficulty of returning and detaching is increased, and the position of the LCD is very easy to break. Therefore, it is very important how to improve the return disassembly yield by optimizing the design.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a solve full laminating module and return LCD individual layer district broken piece problem when tearing open, promote to reprocess and disassemble easily of broken piece yield and return and tear open full laminating module.

The utility model discloses the technical scheme who adopts is, an easily return and tear open full laminating module, including apron and display module assembly, its characterized in that: the LCD individual layer district surface of apron is provided with the low dyne value isolation layer, low dyne value isolation layer 4 is pasted with the display module assembly through the silicone adhesive.

The utility model has the advantages that: through increasing the low cause value isolation layer between apron and silicone adhesive for the silicone adhesive can not directly take place to contact with the black printing ink of the lid base on the apron and form and reach the cause value contact surface, and when reaching the cause value less, the apron is glued with the silicone and is returned to the back and pull open the time and protect the single layer district not torn open more easily, promotes the repair yield.

Preferably, the low dyne value isolation layer is single-sided adhesive PET, the adhesive surface of the PET faces the cover plate and is adhered to the cover plate, the adhesive-free surface of the PET faces the display module and is adhered to the silicone adhesive, the single-sided adhesive PET is low in cost, and the PET can be adhered to the cover plate before the silicone adhesive is adhered.

Preferably, the isolation layer with the low dyne value is cover plate silk-screen printing gloss oil, and the cover plate silk-screen printing gloss oil can be directly brushed on the cover plate during the production of the cover plate, so that the isolation layer processing procedure and the cover plate manufacturing are combined in one flow.

Preferably, the dyne value of the non-adhesive surface of the PET is less than 28B, and when the dyne value is less than 28B, the PET is not easy to break after being torn back.

Preferably, the cover plate silk-screen printing gloss oil is baked, the dyne value is less than 28B, and when the dyne value is less than 28B, the cover plate silk-screen printing gloss oil is not easy to break after being disassembled.

Drawings

Fig. 1 is a schematic structural view of the present invention;

as shown in the figure: 1. the display module 2 and the cover plate; 3. an LCD single layer region; 4. a low dyne value spacer layer; 5. and (4) silicone adhesive.

Detailed Description

The invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the invention with reference to the description, and the scope of the invention is not limited to the embodiments.

It will be understood by those skilled in the art that in the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms described above should not be considered limiting to the present invention.

The utility model discloses the technical scheme who adopts is, an easily return and tear open full laminating module, including apron 2 and display module assembly 1, its characterized in that: the LCD individual layer district 3 surface of apron 2 is provided with the low dyne value isolation layer 4, the low dyne value isolation layer 4 is pasted with display module assembly 1 through silicone adhesive 5, through increasing low dyne value isolation layer 4 between apron 2 and silicone adhesive 5 for silicone adhesive 5 can not directly take place to contact with the black printing ink of the cover base on the apron 2 and form the high dyne value contact surface, and when reaching the value less, it is protected individual layer district 3 more easily and is not torn when returning to pull open after apron 2 and silicone adhesive 5 contact, promotes and reprocesses the yield.

In one embodiment, the low dyne value isolation layer 4 is single-sided adhesive-carrying PET, the adhesive side of the PET faces the cover plate 2 and is adhered to the cover plate 2, the adhesive-free side of the PET faces the display module 1 and is adhered to the silicone adhesive 5, the single-sided adhesive-carrying PET is low in cost, and the PET is adhered to the cover plate 2 before the silicone adhesive 5 is adhered.

In one embodiment, the isolation layer 4 with low dyne value is cover plate screen printing gloss oil, and the cover plate screen printing gloss oil can be directly brushed on the cover plate 2 during cover plate production, so that the isolation layer processing procedure and the cover plate 2 manufacturing are combined in one flow.

In one embodiment, the dyne value of the non-glued side of the PET is less than 28B, and when the dyne value is less than 28B, the PET is not easy to break after being torn back.

In one embodiment, the cover plate silk-screen gloss oil is baked, the dyne value is less than 28B, and the cover plate silk-screen gloss oil is not easy to break after being disassembled when the dyne value is less than 28B.

The cost of the conventional structure is within 0.15 yuan on average, the reject ratio of the full-lamination return-dismantling is 2% -3%, and the reject ratio of the actual return-dismantling fragments after the design is increased to 1-3 per mill. Therefore, the cost difference is converted into the cost difference, the FOG cost is saved by 0.95-1.35 yuan, the calculation is carried out by taking 50 yuan, the average value is 1.15 yuan/pcs, the PET cost is reduced by 0.15 yuan, and each piece can be saved by about 1 yuan.

In one embodiment, the display module 1 includes a liquid crystal display panel, the liquid crystal display panel is adhered to a silicone adhesive 5, an upper polarizer is disposed on a side of the liquid crystal display panel facing the cover plate 2, a lower polarizer is disposed on a side of the liquid crystal display panel facing away from the cover plate 2, and the upper polarizer is adhered to the cover plate 2 through an optical adhesive.

In one embodiment, the cover plate is made of black ink, which is commercially available (brand name of three and/or sunlight).

In one embodiment, the cover plate silk-screen printing gloss oil is made of: the materials commonly used in the market (brand name of III and/or sunshine and the like) are all required to be less than 28B after being baked.

In one embodiment, for the single-sided adhesive PET material, the PET substrate + PU adhesive is commonly used in the market.

Compared with the externally hung scheme (TP full-lamination), the silicone adhesive is contacted with the TP FILM, and the FILM dyne value is attenuated along with time, so that the factory has no difficulty in returning and detaching; therefore, the external hanging scheme has little design advantage and increases the labor cost of materials; TDDI-LCDs (or other non-externally hung LCDs) cost much more than an externally hung LCD of the same size and the ink dyne value does not decay over time. This scheme is applicable.

Auxiliary material pasting is carried out before CG leaves a factory or before full pasting is carried out, and CG needs to be provided with a limiting silk-screen line at a corresponding position. After being pasted, the operation is directly carried out according to the original process flow and the process parameters.

Claims

1. The utility model provides an easily return and tear full laminating module open, includes apron (2) and display module assembly (1), its characterized in that: the LCD single-layer area (3) surface of apron (2) is provided with low dyne value isolation layer (4), low dyne value isolation layer (4) are pasted with display module assembly (1) through silicone adhesive (5).

2. The easy-return-and-disassembly full-lamination module of claim 1, which is characterized in that: the low dyne value isolation layer (4) is single-sided tape adhesive PET, the tape adhesive surface of the PET is adhered to the cover plate (2) and the cover plate (2), and the non-tape adhesive surface of the PET is adhered to the display module (1) and the silicone adhesive (5).

3. The easy-return-and-disassembly full-lamination module of claim 1, which is characterized in that: the low dyne value isolation layer (4) is cover plate silk-screen printing gloss oil.

4. The easy-return-and-disassembly full-lamination module of claim 2, which is characterized in that: the non-adhesive surface dyne value of the PET is less than 28B.

5. The easy-return-and-disassembly full-lamination module of claim 3, which is characterized in that: the cover plate silk-screen printing gloss oil is baked cover plate silk-screen printing gloss oil, and the dyne value is less than 28B.