Frame paste foam release structure

By setting a U-shaped cutting edge in the foam release structure of the touch screen, the problem of the foam release film being unable to release due to die cutting and operation issues was solved, thus improving the production yield.

CN223974038UActive Publication Date: 2026-03-06HUBEI LIANXIN DISPLAY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In the touchscreen industry, foam release films may fail to release due to die-cutting issues or operator errors, leading to foam delamination and scrapping.

Method used

A frame-mounted foam release structure is designed, in which the release film has U-shaped slits in the foam area to enhance the tearing ability and solve the problem of adhesion between the release film and the foam adhesive.

Benefits of technology

This improved production yield, avoided defects caused by die-cutting and employee technique issues, and increased production efficiency.

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Abstract

The utility model discloses a frame pasting foam release structure which comprises a release film, foam is connected below the release film, and a knife edge is arranged on the release film and located on the upper portion in a foam area. By adding the U-shaped knife edge structure of the release film, when the release film is torn off, the breaking capacity can be improved, and the frame pasting foam release structure is more attractive in appearance. And the problem that the release film and the foam are tightly adhered due to punching is solved.
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Description

Technical Field

[0001] This utility model belongs to the field of touch screen technology, specifically relating to a frame-mounted foam release structure. Background Technology

[0002] In the touchscreen industry, there are several methods for bonding touchscreens and LCMs, such as water-based adhesive bonding, OCA bonding, double-sided adhesive, or foam frame bonding. With foam frame bonding, issues such as die-cutting problems or operator errors can cause the foam release film to fail to release properly. Tearing off the release film leads to foam delamination, resulting in the foam being unusable. Utility Model Content

[0003] The purpose of this invention is to provide a frame-attached foam release structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a frame-attached foam release structure, including a release film, with foam connected below the release film, and a slit provided above the foam area of ​​the release film.

[0005] Preferably, the blade edge is U-shaped.

[0006] The technical effects and advantages of this utility model are as follows: This structure mainly adds a U-shaped cutting edge structure to the release film during the traditional die-cutting process. This increases the tearing ability when the release film is torn, and reduces the problem of the release film and foam adhesive sticking too tightly due to die-cutting. Compared with the previous design, this design can avoid defects caused by die-cutting problems and assembly problems by workers' manual techniques in production applications, thereby improving the production yield. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the present invention.

[0008] In the diagram: 100 release film, 110 slit, 200 foam. Detailed Implementation

[0009] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0010] This utility model provides, for example Figure 1 The frame-mounted foam release structure shown includes a release film 100, with foam 200 connected below the release film 100, and a slit 110 provided above the area of ​​the foam 200 in the release film 100.

[0011] Furthermore, the blade 110 is U-shaped.

[0012] Working principle: Traditional foam release film is designed to be one-to-one with the product, with no adhesive on the excess. By adding a U-shaped slit structure to the release film, the tearing ability can be increased when the release film is torn, reducing the problem of the release film and foam adhesive sticking too tightly due to punching.

[0013] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A framed foam release structure comprising a release film (100), characterized in that: The release film (100) is connected with a foam (200) below, and the release film (100) is provided with a knife edge (110) above the area of the foam (200).

2. The frame bonding foam release structure according to claim 1, wherein: The knife edge (110) is in the shape of a U.