CN214032317U - Anti-collision OCA optical adhesive film and structure thereof - Google Patents
Anti-collision OCA optical adhesive film and structure thereof Download PDFInfo
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- CN214032317U CN214032317U CN202022322360.7U CN202022322360U CN214032317U CN 214032317 U CN214032317 U CN 214032317U CN 202022322360 U CN202022322360 U CN 202022322360U CN 214032317 U CN214032317 U CN 214032317U
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Abstract
The utility model discloses an anti-collision OCA optical adhesive film and a structure thereof, belonging to the field of adhesive materials, the anti-collision OCA adhesive optical adhesive film comprises a light release film, an OCA adhesive layer and a heavy release film which are arranged in sequence; the areas of the light release film and the heavy release film are larger than the area of the OCA adhesive layer, and the light release film and the heavy release film are attached to the OCA adhesive layer to form a structure with the edges of the OCA adhesive layer extending outwards from the edges of the light release film and the heavy release film; compared with the prior art, when the edge of OCA glue film collides with the foreign object in the packaging process, the light release film or the heavy release film contacts with the foreign object, the extension part of the light release film plays a role in protecting the OCA glue film, and the edge of the OCA glue film is not subjected to external force, so that the OCA glue film cannot be damaged by the foreign object.
Description
Technical Field
The utility model belongs to the sticky material field specifically is a prevent bumping OCA optics glued membrane and structure thereof.
Background
The OCA (optical Clear adhesive) optical adhesive film is a base-material-free double-sided adhesive tape prepared by curing an OCA adhesive layer, and has the characteristics of being colorless and transparent, high in light transmittance, high in adhesive strength and the like; the OCA glue film can be applied to different fields according to different thicknesses, is mainly used in a mobile phone screen and is used for bonding an ITO film, an ITO film and a plastic nameplate.
The current OCA adhesive layer film structure is mostly a three-layer sandwich structure of a light release film, an OCA adhesive layer and a heavy release film; however, the size of the OCA adhesive layer is the same as that of the light release film and the heavy release film, and the edge of the OCA adhesive layer is extremely easy to collide with foreign objects in the packaging process of the optical adhesive film, so that the OCA adhesive layer is damaged by collision, and the final use effect is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the technology, the utility model provides an anti-collision OCA optical adhesive film, which comprises a light release film, an OCA adhesive layer and a heavy release film which are arranged in sequence; after the light release film and the heavy release film are attached to the OCA adhesive layer, structures with the edges of the OCA adhesive layer extending out from the edges of the light release film and the heavy release film are formed; prevent OCA glue film edge and foreign object from colliding.
In order to achieve the purpose, the utility model provides an anti-collision OCA optical adhesive film, which comprises a light release film, an OCA adhesive layer and a heavy release film which are arranged in sequence; and the areas of the light release film and the heavy release film are both larger than the area of the OCA adhesive layer, and the light release film and the heavy release film are bonded with the OCA adhesive layer to form a structure with the edges of the OCA adhesive layer extending outwards from the edges of the light release film and the heavy release film.
In a specific scheme, the light release film layer is any one of a PET release film, a PVC release film, a PC release film, a PE release film, a PP release film and an OPP release film with the release force of 10-20 g/f.
In a specific scheme, the heavy release film layer is any one of a PET release film, a PVC release film, a PC release film, a PE release film, a PP release film and an OPP release film with the release force of 30-100 g/f.
Preferably, the thickness of the light release film or the partial extension length of the light release film extending to the OCA glue layer is 10-20 mm.
In a specific scheme, the thicknesses of the light release film and the OCA optical layer are 134-148 mm.
In a specific scheme, the thickness of the heavy release film is 136-140 mm.
In order to achieve the purpose, the utility model also provides an anti-collision OCA optical adhesive film structure, which comprises a light release film, an OCA adhesive layer, a heavy release film and a base layer which are arranged in sequence; the light release film, the OCA adhesive layer and the heavy release film have the same current situation and size; the area of the base layer is larger than that of the heavy release film, and the structure of the heavy release film is formed by extending the edges of the base layer after the base layer is attached to the heavy release film.
In the preferred scheme, the light release film layer is any one of PET release film, PVC release film, PC release film, PE release film, PP release film and OPP release film with the release force of 2-10 g/f.
In the preferred scheme, the part of the base layer extending out of the heavy release film is provided with a Mala glue layer covering one side of the base layer close to the heavy release film layer.
In a specific scheme, the thickness of the base layer is 156 mm and 160 mm.
The utility model has the advantages that: the utility model provides an anti-collision OCA optical adhesive film, which comprises a light release film, an OCA adhesive layer and a heavy release film which are arranged in sequence; the areas of the light release film and the heavy release film are larger than the area of the OCA adhesive layer, and the light release film and the heavy release film are attached to the OCA adhesive layer to form a structure with the edges of the OCA adhesive layer extending outwards from the edges of the light release film and the heavy release film; compared with the prior art, when the edge of OCA glue film collides with the foreign object in the packaging process, the light release film or the heavy release film contacts with the foreign object, the extension part of the light release film plays a role in protecting the OCA glue film, and the edge of the OCA glue film is not subjected to external force, so that the OCA glue film cannot be damaged by the foreign object.
Drawings
FIG. 1 is a structural diagram of the OCA glue film composite layer of the present invention;
FIG. 2 is a schematic view of the OCA adhesive film structure of the present invention;
FIG. 3 is the utility model discloses a die-cut schematic diagram of OCA glue film membrane structure secondary.
The main element symbols are as follows:
1. a light release film; 2. an OCA glue layer; 3. heavy release film; 4. a base layer; 5. and (4) Mara gum.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
As described in the background art, the edge of the existing OCA adhesive layer 2 film is easy to collide with foreign objects in the packaging process, so that the OCA adhesive layer 2 is damaged by collision, and the final use effect is affected.
Based on this, the utility model provides a prevent bumping OCA optics glued membrane, please refer to fig. 1, it includes light release film 1, OCA glue film 2 and heavy release film 3 that set gradually; and the area of light type membrane 1 and heavy type membrane 3 all is greater than the area of OCA glue film 2, forms after laminating with OCA glue film 2 and slightly extends out the structure at OCA glue film 2 edge from the edge of membrane 1 and heavy type membrane 3.
Compared with the prior art, when the edge of OCA glue film 2 membrane collided with the foreign object in the packaging process, lightly from type membrane 1 or heavily from type membrane 3 and foreign object contact, lightly from the epitaxial portion of type membrane 1 to OCA glue film 2 play the guard action, OCA glue film 2 edge does not receive external force, consequently can not be damaged by the foreign object.
In order to produce the anti-collision OCA optical adhesive film, the utility model also provides an anti-collision OCA optical adhesive film structure, which comprises a light release film 1, an OCA adhesive layer 2, a heavy release film 3 and a base layer 4 which are arranged in sequence; the light release film 1, the OCA glue layer 2 and the heavy release film 3 have the same current situation and size; the area of the base layer 4 is larger than that of the heavy release film 3, and the structure of the heavy release film 3 is formed by extending the edges of the base layer 4 after the base layer 4 is attached to the heavy release film 3.
In this embodiment, the light release film 1 layer is any one of PET release film, PVC release film, PC release film, PE release film, PP release film, and OPP release film with a release force of 2-10 g/f.
In this embodiment, the part of the base layer 4 extending out of the heavy release film 3 is provided with a layer of mastic 5 covering one side of the base layer 4 close to the heavy release film 3; specifically, the thickness of the base layer 4 is 156 mm and 160 mm.
The anti-collision OCA optical adhesive film structure is processed into an anti-collision OCA optical adhesive film flow: please refer to fig. 2 and 3
Step 1: firstly, punching a positioning hole on an epitaxial part of a heavy release film 3, which is epitaxial from a base layer 4; fixing the position of the anti-collision OCA optical adhesive film structure by using a positioning hole, and punching the edge parts of the light release layer and the OCA adhesive layer 2 by using a cutter;
step 2: removing edge materials through PET original films and box sealing glue for a laminating machine; the effect on the 5 layers of maraca is that it pastes with basic unit 4 to prevent that the joint sealing glue from falling the rim charge in-process.
And step 3: tearing off the light release film 1, and covering a new light release film 1 on the OCA glue layer 2; the area of the light release film 1 is larger than that of the OCA adhesive layer 2 with the edge cut off, and the light release film 1 is attached to the OCA adhesive layer 2 to form a structure in which the edge of the light release film 1 extends out of the OCA adhesive layer 2;
and step 3: and fixing the base layer 4 by using the positioning holes on the base layer 4 again, punching the new release film by using a cutter, and punching the new release film into a desired shape.
And 4, step 4: removing the edge materials through a laminating machine, and stripping the base layer 4 and the heavy release film 3; obtaining an OCA glue layer 2 film;
and 5: removing static electricity, checking, packaging and shipping.
In the final processed anti-collision OCA optical adhesive film, the light release film 1 layer is any one of a PET release film, a PVC release film, a PC release film, a PE release film, a PP release film and an OPP release film with the release force of 10-20 g/f; is larger than the original light release film 1, and the original light release film 1 has small release force and is convenient to tear.
In this embodiment, the heavy release film 3 layer is any one of a PET release film, a PVC release film, a PC release film, a PE release film, a PP release film, and an OPP release film having a release force of 30-100 g/f.
Preferably, the thickness of the light release film 1 or the extension length of the part of the light release film 1 extending to the OCA glue layer 2 is 10-20 mm; when the anti-collision OCA optical adhesive film collides with the outside, the deformation range is 10-20mm, so the extension length is more appropriate.
In this example, the original light release film 1 is a 3M CEF2808 light release film 1; the new release film is an RC-5002 release film; the OCA glue layer 2 is 3M CEF2808 optical glue; the heavy release film 3 is a 3M CEF2808 heavy release film 3.
In a specific scheme, the thickness of the heavy release film 3 is 0.14-0.18 mm. The thickness of the light release film 1 is 0.04-0.06mm, and the thickness of the OCA glue layer 2 is 0.18-0.22 mm.
The utility model has the advantages that:
1. the areas of the light release film and the heavy release film are both larger than the area of the OCA adhesive layer, and the light release film and the heavy release film are bonded with the OCA adhesive layer to form a structure with the edges of the OCA adhesive layer extending outwards from the edges of the light release film and the heavy release film; when the edge of OCA glue film collides with a foreign object in the packaging process, the light release film or the heavy release film contacts with the foreign object, the extension part of the light release film plays a role in protecting the OCA glue film, and the edge of the OCA glue film is not subjected to external force, so that the OCA glue film cannot be damaged by the foreign object.
2. The original light release film has small release force and is convenient to tear.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (10)
1. An anti-collision OCA optical adhesive film is characterized by comprising a light release film, an OCA adhesive layer and a heavy release film which are sequentially arranged; and the areas of the light release film and the heavy release film are both larger than the area of the OCA adhesive layer, and the light release film and the heavy release film are bonded with the OCA adhesive layer to form a structure with the edges of the OCA adhesive layer extending outwards from the edges of the light release film and the heavy release film.
2. The anti-collision OCA optical adhesive film according to claim 1, wherein the light release film layer is any one of PET release film, PVC release film, PC release film, PE release film, PP release film and OPP release film with a release force of 10-20 g/f.
3. The anti-collision OCA optical adhesive film according to claim 1, wherein the heavy release film layer is any one of PET release film, PVC release film, PC release film, PE release film, PP release film and OPP release film with a release force of 30-100 g/f.
4. The anti-collision OCA optical adhesive film according to claim 1, wherein the thickness of the light release film or the partial extension length of the light release film extending to the OCA adhesive layer is 10-20 mm.
5. The anti-collision OCA optical adhesive film as claimed in claim 1, wherein the thicknesses of the light release film and the OCA optical layer are 134-148 mm.
6. The anti-collision OCA optical adhesive film as claimed in claim 1, wherein the thickness of the heavy release film is 136-140 mm.
7. An anti-collision OCA optical adhesive film structure is characterized by comprising a light release film, an OCA adhesive layer, a heavy release film and a base layer which are sequentially arranged; the light release film, the OCA adhesive layer and the heavy release film have the same current situation and size; the area of the base layer is larger than that of the heavy release film, and the structure of the heavy release film is formed by extending the edges of the base layer after the base layer is attached to the heavy release film.
8. The anti-collision OCA optical adhesive film structure according to claim 7, wherein the light release film layer is any one of PET release film, PVC release film, PC release film, PE release film, PP release film, and OPP release film with a release force of 2-10 g/f.
9. The anti-collision OCA optical adhesive film structure according to claim 7, wherein the portion of the substrate layer extending out of the heavy release film is provided with a Malay adhesive layer covering the side of the substrate layer close to the heavy release film layer.
10. The anti-collision OCA optical adhesive film structure as claimed in claim 7, wherein the thickness of the base layer is 156 mm and 160 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022322360.7U CN214032317U (en) | 2020-10-17 | 2020-10-17 | Anti-collision OCA optical adhesive film and structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022322360.7U CN214032317U (en) | 2020-10-17 | 2020-10-17 | Anti-collision OCA optical adhesive film and structure thereof |
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| CN214032317U true CN214032317U (en) | 2021-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980594A (en) * | 2021-10-29 | 2022-01-28 | 东莞市金恒晟新材料科技有限公司 | Waterproof easy-to-tear release film |
| CN118308033A (en) * | 2024-03-29 | 2024-07-09 | 东莞创先新材料科技有限公司 | Three-layer sandwich OCA optical cement and production equipment thereof |
-
2020
- 2020-10-17 CN CN202022322360.7U patent/CN214032317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980594A (en) * | 2021-10-29 | 2022-01-28 | 东莞市金恒晟新材料科技有限公司 | Waterproof easy-to-tear release film |
| CN118308033A (en) * | 2024-03-29 | 2024-07-09 | 东莞创先新材料科技有限公司 | Three-layer sandwich OCA optical cement and production equipment thereof |
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