CN220149480U - Toughened film structure - Google Patents
Toughened film structure Download PDFInfo
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- CN220149480U CN220149480U CN202320915242.8U CN202320915242U CN220149480U CN 220149480 U CN220149480 U CN 220149480U CN 202320915242 U CN202320915242 U CN 202320915242U CN 220149480 U CN220149480 U CN 220149480U
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- film
- toughened
- adhesive layer
- thickness
- glass
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- 239000005341 toughened glass Substances 0.000 claims abstract description 43
- 239000012790 adhesive layer Substances 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 27
- 238000007650 screen-printing Methods 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 abstract description 17
- 238000007493 shaping process Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 239000011247 coating layer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a toughened film structure, wherein the thickness dimension of the toughened film is 0.3-0.43mm, the toughened film structure comprises toughened glass, a silk-screen printing ink layer arranged around the back surface of the toughened glass, an adhesive layer adhered to the back surface of the toughened glass and a bottom film arranged on the adhesive layer, the silk-screen printing ink layer is positioned between the adhesive layer and the toughened glass, and the thickness dimension of the adhesive layer is 130-350 microns. The thickness of the adhesive layer is 130-350 microns, the thickness of the adhesive layer is the thickness of the AB glue after leveling and shaping, and the back of the adhesive layer is already adhered with the bottom film, so that the toughened film is directly inspected and bagged, a PC board is not needed, the manufacturing cost of the toughened film is reduced, and the problem of white edges generated when the 2.5D cover plate is adhered to the flat toughened film can be solved.
Description
Technical Field
The utility model relates to screen protection glass, in particular to a toughened film structure.
Background
At present, the mobile phone protective films are various in types, and include peep-proof films, mirror films, AR films, frosted films, scratch-proof protective films, machine body decorative protective films and the like. The toughened glass protective film is an ideal mobile phone screen protective film, and the touch screen of the smart phone can be effectively protected from being scratched or polluted by sticking the toughened glass protective film on the touch screen of the smart phone.
Along with the rising of the mobile phone with the 2.5D arc edge cover plate, the toughened film with the silk-screen frame is also touted by people. The toughened film with the silk-screen frame perfectly solves the problem of white edge caused by the conflict between the arc edge characteristics of the cover plate and the rigidity characteristics of the toughened film.
At present, each toughened film with a silk-screen frame is required to be provided with a single PC bottom plate, the toughened film is attached to the PC plate before being attached to a mobile phone through the cooperation of the PC bottom plate, then bubbles generated after the toughened film is attached to the PC plate are discharged through a technical means, after a certain period of standing, the toughened film is gradually leveled between the PC plate and toughened glass of the toughened film due to the soft characteristic of AB glue, and then the toughened film is bonded with a screen of electronic equipment through the leveled AB glue to achieve the purpose of removing white edges. However, the structure of the toughened film is limited, and consumers need to bond through the PC board in a matching way when using the toughened film, so that the use cost of the toughened film is high.
In view of the foregoing, it is necessary to provide a solution to the above-mentioned problems.
Disclosure of Invention
The utility model aims at: the problem that the use cost of the toughened film is high is solved.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the thickness dimension of the toughened film is 0.3-0.43mm, the toughened film comprises toughened glass, a silk screen printing ink layer, an adhesive layer and a bottom film, wherein the silk screen printing ink layer is arranged on the periphery of the back surface of the toughened glass, the adhesive layer is adhered to the back surface of the toughened glass, the bottom film is arranged on the adhesive layer, the silk screen printing ink layer is positioned between the adhesive layer and the toughened glass, and the thickness dimension of the adhesive layer is 130-350 microns.
As an improvement of the tempered film structure, the base film covers the adhesive layer, and the base film may have the same shape as the tempered glass, or may be elongated, or may extend beyond the length direction of the tempered glass.
As an improvement of the toughened film structure, one side of the bottom film extends along the length direction of the toughened glass to form an extension part, and the extension part is folded downwards by taking the side surface of the bottom film as an axis.
As an improvement of the tempered film structure, the thickness of the base film is 30 to 80 μm.
As an improvement of the toughened film structure, the toughened glass comprises a film coating layer arranged on the front surface, and the thickness dimension of the film coating layer is 4-13 nanometers.
As an improvement of the tempered film structure, the tempered glass has a thickness dimension of 130 to 420 μm.
As an improvement of the tempered film structure, the thickness dimension of the silk-screen ink layer is 1 to 6 micrometers.
Compared with the prior art, the utility model has the beneficial effects that:
the thickness of the adhesive layer is 130-350 microns, and the thickness of the adhesive layer is the thickness of the AB glue after leveling and shaping, and the back of the adhesive layer is already adhered with the bottom film, so that the toughened film is directly inspected and bagged, a PC board is not needed, the manufacturing and using cost of the toughened film is reduced, and the problem of white edges generated when the 2.5D cover plate is adhered to the flat toughened film can be solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a toughened film structure according to the present utility model.
Fig. 2 is a top view of a toughened film structure provided by the utility model.
Fig. 3 is a front view of a tempered film structure according to the present utility model.
Fig. 4 is an exploded view of a tempered film structure according to the present utility model.
In the figure: 1-toughened glass, 101-coating layers, 2-silk screen printing ink layers, 3-bonding layers, 4-base films and 401-extension parts.
Detailed Description
In order to make the technical scheme and advantages of the present utility model more apparent, the present utility model and its advantageous effects will be described in further detail below with reference to the detailed description and the accompanying drawings, but the embodiments of the present utility model are not limited thereto.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
As shown in fig. 1, 2, 3 and 4, the thickness dimension of the toughened film is 0.3-0.43mm, and the toughened film structure comprises toughened glass 1, a silk screen printing ink layer 2 arranged on the periphery of the back surface of the annular toughened glass 1, an adhesive layer 3 adhered to the back surface of the toughened glass 1 and a bottom film 4 arranged on the adhesive layer 3, wherein the silk screen printing ink layer 2 is positioned between the adhesive layer 3 and the toughened glass 1, and the thickness dimension of the adhesive layer 3 is 130-350 micrometers. Specifically, the adhesive layer 3 is formed by coating and solidifying AB glue, the bottom film 4 is a release film and is detachable, when the toughened film is used, the bottom film 4 is directly pulled, the bottom film 4 and the toughened film are peeled off, the adhesive layer 3 is exposed, then a user side can directly paste a product onto a screen of electronic equipment through the adhesive layer 3, and the thickness dimension of the adhesive layer 3 is preferably 150-250 micrometers. The thickness of the adhesive layer 3 is 130-350 microns, the thickness of the adhesive layer 3 is the thickness of the AB glue after leveling and shaping, and the back of the adhesive layer 3 is already adhered with the bottom film 4, so that the toughened film is directly inspected and bagged, a PC board is not needed, the manufacturing cost of the toughened film is reduced, and the problem of white edges generated when the 2.5D cover plate is adhered to the flat toughened film can be solved due to the silk-screen frame.
At present, in the cost of the toughened film with the PC bottom plate on the silk-screen frame, the cost of the PC bottom plate accounts for 20% or more of the cost of the toughened film bare chip. The toughened film provided by the utility model does not need to be provided with a PC board, saves more than 20% of cost for each toughened film bare chip with a silk-screen frame, and improves the competitiveness of products.
As an improvement of the tempered film structure, the base film 4 covers the adhesive layer 3, and the base film 4 may be the same shape as the tempered glass 1, or be long, or extend beyond the length direction of the tempered glass 1. Specifically, the bottom film 4 may be shaped like the back surface of the tempered glass 1, or may be long, and the long bottom film 4 functions as a draw string in the present utility model.
The bottom film 4 can be strip-shaped, or can be a two-section structure divided into two parts, and the two parts are connected through the structure of the two parts or adhered through the adhesive, and then the adhesive is externally added through the structure connection. Further, the length of the bottom film 4 may be the same as the length of the tempered glass 1, or may be longer than the length of the tempered glass 1; for example, assuming that the length dimension of the tempered glass 1 is 150mm, the length dimension of the base film 4 may be 150mm, or 350mm, or longer.
In some embodiments, one side of the base film 4 extends along the length direction of the tempered glass 1 to form an extension 401, and the extension 401 is folded downward with the side of the base film 4 as an axis. Specifically, when the base film 4 is longer, the portion beyond the toughened glass 1 is the extension portion 401, and when the toughened film is bagged, the extension portion 401 of the base film 4 can be folded towards the lower side, so that the length of the packaging bag does not need to be designed to be identical to the length of the base film 4 when the toughened film is bagged, and the storage space and the production cost of a producer and the storage space of a consumer can be saved. When the electronic equipment is used, the base film 4 is directly pulled, namely, the peeling between the base film 4 and the toughened film is realized, and then the toughened film can be adhered to the screen of the electronic equipment through the adhesive layer 3 at the user side.
In some embodiments, the carrier film 4 has a thickness of 30 to 80 microns. In particular, the method comprises the steps of,
in some embodiments, the tempered glass 1 includes a coating layer 101 disposed on the front surface, and the thickness dimension of the coating layer 101 is 4-13 nanometers. Specifically, the plating layer 101 is an AF plating layer 101, and the thickness dimension of the plating layer 101 may be any one of 4nm, 5nm, 6nm, 7nm, 8nm, 9nm, 10nm, 11nm, 12nm, and 13 nm.
In some embodiments, the tempered glass 1 has a thickness dimension of 130 to 420 microns. Specifically, the thickness dimension of the tempered glass 1 is preferably 150 to 300um. May be any one of 150um, 160um, 170um, 180um, 190um, 200um, 210um, 220um, 230um, 240um, 250um, 260um, 270um, 280um, 290um, and 300um thick.
In some embodiments, the thickness dimension of the screen printing ink layer 2 is 1 to 6 microns. Specifically, the thickness dimension of the screen printing ink layer 2 is any one of thicknesses of 1um, 2um, 3um, 4um, 5um and 6 um.
The ink color of the silk-screen ink layer 2 can be any one or a combination of a plurality of bright, matte, white and black, and can also be any other color which can be adjusted, and the color mainly depends on what color ink is adopted during silk-screen printing.
At present, if a common toughened film with screen printing is not required to be provided with a bottom plate, the thickness of the toughened film is required to be made to be 0.55mm or more, the thickness dimension of the toughened film is 0.3mm-0.43mm, and the manufacturing cost of the toughened film is reduced, and meanwhile, the thickness of the toughened film is further reduced.
A preparation method of a toughened film comprises the following steps:
s1, plating a coating layer 101 on the front surface of toughened glass 1 with a screen printing ink layer 2;
s2, attaching AB glue on the back surface of the toughened glass 1 to form an adhesive layer 3;
s3, sticking the bottom film 4 on the surface of the bonding layer 3 to obtain a toughened film primary finished product;
s4, preparing a PC board, attaching a layer of AB glue with the thickness of 0.03-0.35 mm on the PC board, attaching the PC board on a toughened film primary finished product for auxiliary shaping treatment, and taking down the PC board to obtain a toughened film finished product;
s5, checking that the quality of the toughened film is qualified, and then bagging and packaging.
In step S4, the purpose of the auxiliary shaping treatment is to shape the adhesive layer 3, and the process of the auxiliary shaping treatment is various, and may be standing for a certain period of time, so that the adhesive layer 3 of the AB glue component is matched with the PC board to be self-leveling, for example, standing for 72 hours or standing for 144 hours; or heating to cure the components in the AB glue; the components in the AB glue can be cured by UV light, and other modes can be adopted, so that the shaping effect of the adhesive layer 3 can be achieved.
Specifically, the procedure of step S4 is divided into the following three kinds:
auxiliary shaping process 1: and (3) attaching the PC board to the toughened film primary product, removing bubbles, standing for 72 hours, and taking down the PC board to obtain the toughened film primary product.
Auxiliary shaping process 2: and (3) attaching the PC board to the toughened film primary product, removing bubbles, baking the adhesive layer 3, cooling, taking down the PC board after cooling, and attaching the bottom film 4 again to obtain the toughened film product.
Auxiliary shaping process 3: and (3) attaching the PC board to the toughened film primary product, removing bubbles, then carrying out UV curing on the adhesive layer 3, taking down the PC board after UV curing, and attaching the base film 4 again to obtain the toughened film product.
Wherein, a layer of thinner AB glue is stuck on the PC board adopted in the auxiliary shaping technology 1, and the thickness of the AB glue is 0.03mm-0.13mm. The PC board with the AB glue can be circularly and circularly used in the production process.
The PC board adopted in the auxiliary shaping process 2 and the auxiliary shaping process 3 does not need to be pasted with AB glue, and can be circularly and circularly used in the production process.
The process adopted for auxiliary shaping of the toughened film in the preparation process depends on the type of AB glue adopted, and the components in the AB glue are different or the shaping modes required to be adopted are different.
The toughened film provided by the utility model does not need to be matched with a PC bottom plate, can be used normally by consumers, and can be ensured to have no white edge problem. The common silk-screen framed toughened film is provided with a PC base plate, so that consumers can use the toughened film without the trouble of white edges. Effectively controls the production cost and improves the product competitiveness.
Variations and modifications of the above embodiments will occur to those skilled in the art to which the utility model pertains from the foregoing disclosure and teachings. Therefore, the present utility model is not limited to the above-described embodiments, but is intended to be capable of modification, substitution or variation in light thereof, which will be apparent to those skilled in the art in light of the present teachings. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (7)
1. The toughened film structure is characterized in that the toughened film has a thickness of 0.3-0.43mm, and comprises toughened glass, a silk-screen printing ink layer arranged on the periphery of the back surface of the toughened glass, an adhesive layer adhered to the back surface of the toughened glass and a bottom film arranged on the adhesive layer, wherein the silk-screen printing ink layer is positioned between the adhesive layer and the toughened glass, and the thickness of the adhesive layer is 130-350 microns.
2. The structure of claim 1, wherein the base film covers the adhesive layer, and the base film has the same shape as the tempered glass, is elongated, and extends beyond the length direction of the tempered glass.
3. The tempered film structure of claim 1, wherein the base film side extends in a longitudinal direction of the tempered glass to form an extension portion, and the extension portion is folded downward with the base film side as an axis.
4. A toughened film structure as claimed in any one of claims 1-3, wherein said base film has a thickness of from 30 to 80 microns.
5. The tempered film structure of claim 4, wherein the tempered glass includes a plated film layer disposed on the front surface, the plated film layer having a thickness dimension of 4-13 nm.
6. The tempered film structure of claim 4, wherein the tempered glass has a thickness dimension of 130 to 420 microns.
7. The toughened film structure as claimed in claim 4, wherein said screen printing ink layer has a thickness dimension of 1 to 6 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915242.8U CN220149480U (en) | 2023-04-21 | 2023-04-21 | Toughened film structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915242.8U CN220149480U (en) | 2023-04-21 | 2023-04-21 | Toughened film structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149480U true CN220149480U (en) | 2023-12-08 |
Family
ID=89021083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915242.8U Active CN220149480U (en) | 2023-04-21 | 2023-04-21 | Toughened film structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149480U (en) |
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2023
- 2023-04-21 CN CN202320915242.8U patent/CN220149480U/en active Active
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