CN211972204U - Cell-phone curved surface screen protection film convenient to laminating - Google Patents
Cell-phone curved surface screen protection film convenient to laminating Download PDFInfo
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- CN211972204U CN211972204U CN202020506395.3U CN202020506395U CN211972204U CN 211972204 U CN211972204 U CN 211972204U CN 202020506395 U CN202020506395 U CN 202020506395U CN 211972204 U CN211972204 U CN 211972204U
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Abstract
The utility model discloses a mobile phone curved screen protection film convenient to be laminated, which comprises a toughened glass protection sheet, wherein the lower surface of the toughened glass protection sheet is provided with an AB glue layer, and a release film is laminated on the lower surface of the AB glue layer; the AB glue film comprises an OCA optical glue film, a first base material layer, a soft glue film, a second base material layer and a silica gel layer, wherein the OCA optical glue film, the first base material layer, the soft glue film, the second base material layer and the silica gel layer are sequentially arranged from top to bottom. This cell-phone curved surface screen protection film convenient to laminating simple structure, reasonable in design through increasing the soft glue film in the AB glue film for the whole plasticity of AB glue film is stronger, and the AB glue film after the improvement can make protection film tolerance range control between 0-0.5mm, can not produce bubble and white limit phenomenon during the laminating, thereby has improved the yield of glass screening glass greatly, and the AB glue film after the improvement is softer, makes cell-phone curved surface screen protection film laminate on the cell-phone screen more easily.
Description
Technical Field
The utility model relates to a cell-phone protection film technical field specifically is a cell-phone curved surface screen protection film convenient to laminating.
Background
The toughened glass film is a high-tech protective film specially designed for protecting the screen of the mobile phone, is a high-end new product with stronger protection effect on the screen of the mobile phone at present, can completely cover the original screen surface, prevents from being damaged by external force, further increases the impact absorbability, is 5 times higher than the standard of a PET film, cannot influence the video effect of the screen, can achieve the aims of preventing the main screen from being cracked, resisting scratches and scratches, and can also be tough and tough enough to protect the display screen of the mobile phone from being stressed.
At present, mobile phone brands such as Huashi, millet, OPPO, VIVO, samsung and the like have provided curved-screen mobile phones in a dispute, and a protective sheet formed by a hot bending technology is also adopted for a mobile phone toughened glass film in order to adapt to the edge bending of a mobile phone screen, wherein the protective film is made of hot bending glass, hot bending PET, hot bending PMMA and the like.
However, the production process of the protective sheet of the curved-surface screen mobile phone protective film adopts a hot bending technology, and tolerance is generated after the protective sheet is adhered with AB glue. The tolerance refers to the vertical distance error between the curved-surface screen mobile phone film and the original mobile phone screen.
When the tolerance of the protective film is less than 0.1mm, bubbles or white edges are generally not generated when the mobile phone film is attached to the mobile phone screen; however, when the tolerance range of the mobile phone film is 0.1-0.5mm, after the common mobile phone film is attached to the curved mobile phone screen, due to the elastic deformation of the protection sheet, a tiny cavity is formed among the protection sheet, the AB glue and the curved mobile phone screen, so that white edges or bubbles are generated when the mobile phone protection film is attached.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cell-phone curved surface screen protection film convenient to laminating to adopt the hot-bending technique in solving the screening glass production process who proposes curved surface screen cell-phone protection film in the above-mentioned background art, screening glass has glued AB and can produce the tolerance afterwards, produces the problem of white limit or bubble when leading to the cell-phone protection film laminating.
In order to achieve the above object, the utility model provides a following technical scheme: a mobile phone curved screen protection film convenient to attach comprises a toughened glass protection sheet, wherein an AB glue layer is arranged on the lower surface of the toughened glass protection sheet, and a release film is attached to the lower surface of the AB glue layer;
the AB glue film comprises an OCA optical glue film, a first base material layer, a soft glue film, a second base material layer and a silica gel layer, wherein the OCA optical glue film, the first base material layer, the soft glue film, the second base material layer and the silica gel layer are sequentially arranged from top to bottom.
Preferably, the thickness of the toughened glass protection plate is 0.15-0.4mm, and the left side and the right side of the toughened glass protection plate are provided with cambered surface edges which are formed by a hot bending process and matched with a mobile phone screen.
Preferably, the thickness of the AB glue layer is 0.3mm-0.55mm, and the shape and the size of the AB glue layer are matched with those of the toughened glass protective sheet.
Preferably, the thickness of the OCA optical adhesive layer is 50-100 μm.
Preferably, the first substrate layer and the second substrate layer are both made of PET (polyethylene terephthalate), the thickness of the first substrate layer is 12-25 μm, and the thickness of the second substrate layer is 30-50 μm.
Preferably, the thickness of the soft adhesive layer is 150-300 μm, and the soft adhesive layer is formed by coating an acrylic acid adhesive.
Preferably, the thickness of the silica gel layer is 20-60 μm.
Preferably, the thickness of the release film is 50-80 μm, and the release film is made of PET material.
Compared with the prior art, the beneficial effects of the utility model are that: this cell-phone curved surface screen protection film convenient to laminating simple structure, reasonable in design through increasing the soft glue film in the AB glue film for the whole plasticity of AB glue film is stronger, and the AB glue film after the improvement can make protection film tolerance range control between 0-0.5mm, can not produce bubble and white limit phenomenon during the laminating, thereby has improved the yield of glass screening glass greatly, and the AB glue film after the improvement is softer, makes cell-phone curved surface screen protection film laminate on the cell-phone screen more easily.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the utility model discloses a AB glue film decomposition structure schematic.
In the figure: 1. a tempered glass protective sheet; 2. an AB glue layer; 201. an OCA optical adhesive layer; 202. a first base material layer; 203. a soft adhesive layer; 204. a second substrate layer; 205. a silica gel layer; 3. and (4) a release film.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a mobile phone curved screen protection film convenient to attach comprises a toughened glass protection sheet 1, an AB glue layer 2 and a release film 3, wherein the AB glue layer 2 is arranged on the lower surface of the toughened glass protection sheet 1, and the release film 3 is attached to the lower surface of the AB glue layer 2;
the AB glue layer 2 comprises an OCA optical glue layer 201, a first base material layer 202, a soft glue layer 203, a second base material layer 204 and a silica gel layer 205, wherein the OCA optical glue layer 201, the first base material layer 202, the soft glue layer 203, the second base material layer 204 and the silica gel layer 205 are sequentially arranged from top to bottom.
The thickness of the toughened glass protection plate 1 is 0.15-0.4mm, and the left side and the right side of the toughened glass protection plate 1 are provided with cambered surface edges which are formed by a hot bending process and matched with a mobile phone screen.
The thickness of the AB glue layer 2 is 0.3mm-0.55mm, and the shape and the size of the AB glue layer 2 are matched with those of the toughened glass protection sheet 1.
The thickness of OCA optical adhesive layer 201 is 50-100 μm.
The first substrate layer 202 and the second substrate layer 204 are both made of PET materials, the thickness of the first substrate layer 202 is 12-25 μm, the thickness of the second substrate layer 204 is 30-50 μm, the first substrate layer 202 serves as a base layer of the OCA optical glue layer 201 and the soft glue layer 203, and the second substrate layer 204 serves as a base layer of the soft glue layer 203 and the silica gel layer 205.
The thickness of the soft adhesive layer 203 is 150-.
The thickness of the silica gel layer 205 is 20-60 μm.
The thickness of the release film 3 is 50-80 μm, and the release film is made of PET material to prevent the silica gel layer from being stained with dust and play a role in protection.
During production, the toughened glass protective sheet 1 with the tolerance range of 0.1-0.5mm, the AB glue layer 2 and the release film 3 are bonded to prepare the curved-surface screen protective film; when the adhesive tape is used, the release film 3 is torn, the protective film is aligned to the screen of the mobile phone, then the silica gel layer 205 is attached to the screen of the mobile phone, and the AB glue layer 2 comprises the soft glue layer 203, so that the plasticity of the AB glue layer 2 is stronger, and bubbles and white edges are not easy to generate after the curved surface protective sheet and the screen of the mobile phone are attached.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a cell-phone curved surface screen protection film convenient to laminating, includes toughened glass screening glass (1), its characterized in that: the lower surface of the toughened glass protection plate (1) is provided with an AB glue layer (2), and the lower surface of the AB glue layer (2) is adhered with a release film (3);
the AB glue layer (2) comprises an OCA optical glue layer (201), a first base material layer (202), a soft glue layer (203), a second base material layer (204) and a silica gel layer (205), wherein the OCA optical glue layer (201), the first base material layer (202), the soft glue layer (203), the second base material layer (204) and the silica gel layer (205) are sequentially arranged from top to bottom.
2. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the toughened glass protection plate (1) is 0.15-0.4mm, and the left side edge and the right side edge of the toughened glass protection plate (1) are provided with cambered surface edges which are formed by a hot bending process and matched with a mobile phone screen.
3. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the AB glue layer (2) is 0.3mm-0.55mm, and the shape and the size of the AB glue layer (2) are matched with the toughened glass protection plate (1).
4. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the OCA optical adhesive layer (201) is 50-100 mu m.
5. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the first substrate layer (202) and the second substrate layer (204) are both made of PET materials, the thickness of the first substrate layer (202) is 12-25 mu m, and the thickness of the second substrate layer (204) is 30-50 mu m.
6. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the soft adhesive layer (203) is 150-300 mu m, and the soft adhesive layer (203) is formed by coating acrylic acid adhesive.
7. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the silica gel layer (205) is 20-60 mu m.
8. The mobile phone curved screen protection film convenient to attach according to claim 1, wherein: the thickness of the release film (3) is 50-80 μm, and the release film is made of PET material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506395.3U CN211972204U (en) | 2020-04-09 | 2020-04-09 | Cell-phone curved surface screen protection film convenient to laminating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506395.3U CN211972204U (en) | 2020-04-09 | 2020-04-09 | Cell-phone curved surface screen protection film convenient to laminating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211972204U true CN211972204U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020506395.3U Active CN211972204U (en) | 2020-04-09 | 2020-04-09 | Cell-phone curved surface screen protection film convenient to laminating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211972204U (en) |
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2020
- 2020-04-09 CN CN202020506395.3U patent/CN211972204U/en active Active
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