CN219950875U - Membrane material - Google Patents
Membrane material Download PDFInfo
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- CN219950875U CN219950875U CN202320971229.4U CN202320971229U CN219950875U CN 219950875 U CN219950875 U CN 219950875U CN 202320971229 U CN202320971229 U CN 202320971229U CN 219950875 U CN219950875 U CN 219950875U
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- Prior art keywords
- film
- electrostatic adsorption
- adhesive layer
- thickness
- optical
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- 239000000463 material Substances 0.000 title claims abstract description 61
- 239000012528 membrane Substances 0.000 title abstract description 16
- 239000010408 film Substances 0.000 claims abstract description 185
- 238000001179 sorption measurement Methods 0.000 claims abstract description 75
- 239000012788 optical film Substances 0.000 claims abstract description 43
- 239000012790 adhesive layer Substances 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000004080 punching Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 abstract description 6
- 230000008093 supporting effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- -1 Polyethylene terephthalate Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Abstract
The utility model discloses a membrane material, which comprises the following components: the electrostatic adsorption film, the base material film, the optical film and the adhesive layer are sequentially laminated from top to bottom, one side of the electrostatic adsorption film extends outwards, and the length of the electrostatic adsorption film is longer than that of the base material film, the optical film and the adhesive layer. According to the film material, the electrostatic adsorption film is arranged, and the length of the electrostatic adsorption film is lengthened, so that the length of the electrostatic adsorption film is longer than that of the base material film, the optical film and the adhesive layer, and the electrostatic adsorption film can not easily fall off from the adsorption platform; through setting up the substrate layer in order to strengthen the supporting property and the mechanical properties of membrane material to make electrostatic adsorption membrane can adsorb more firmly in the adsorption platform.
Description
Technical Field
The utility model relates to a membrane material, in particular to an anti-falling membrane material.
Background
At present, technology is developed at a high speed, computers and various electronic products are quite popular, display screens or touch screens are mounted on the electronic devices, the display screens or touch screens can be subjected to film pasting production procedures before leaving factories, in the film pasting procedures, films which are attached to the display screens or touch screens are required to be desorbed through a film adsorption platform, after the film adsorption platform is close to the display screens or touch screens to be attached, the films are attached to the display screens or the touch screens through roller rolling films, but in the attaching process, the roller rolling films enable the films to fall off from the film adsorption platform, the films directly fall onto the surfaces of the display screens or the touch screens to enable the attachment inaccurately to cause bubbles to be generated on the surfaces of the films and the display screens or the touch screens, and the films are difficult to be discharged by the rollers, so that the qualification rate of products is reduced, the products are scrapped, and accordingly, the production cost is increased.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a hierarchical structure of a film material.
The aim of the utility model is realized by the following technical scheme:
a film, comprising: the electrostatic adsorption film, the base material film, the optical film and the adhesive layer are sequentially laminated from top to bottom, one side of the electrostatic adsorption film extends outwards, and the length of the electrostatic adsorption film is greater than that of the base material film, the optical film and the adhesive layer.
It should be noted that, after the film material is attached to the equipment, the electrostatic adsorption film exceeding the length of the equipment is cut in a semi-punching mode, so that the subsequent interference to the use of the equipment is avoided.
In one embodiment, the adhesive layer is OCA.
The OCA (Optically Clear Adhesive, optical adhesive) is characterized in that one of acrylic resin, unsaturated polyester, polyurethane and epoxy resin is used as a main component, and the film material has a high light transmittance by setting the OCA as an adhesive material of the adhesive layer, and the OCA which is used as the main component has a colorless and transparent property and high adhesive strength, so that the film material has a high light transmittance and is not easy to be blocked.
In one embodiment, a release film is further disposed at an end of the adhesive layer away from the optical film.
It should be noted that the release film can be used as a protective layer of the adhesive layer, so that the adhesiveness of the adhesive layer can be ensured not to be lost.
In one embodiment, the release film is a light release film, and a bump is disposed at one end of the release film away from the optical film.
It should be noted that, from the type membrane to be light from the type membrane, light from the type membrane is lower with the type force of separating when pasting the layer connection, conveniently tears, simultaneously, is provided with the lug on the one end of keeping away from the optical film from the type membrane and tears from the type membrane convenient to use person.
In one embodiment, the length of the electrostatic adsorption film is 20 mm-30 mm longer than the length of the substrate film, the optical film and the adhesive layer.
It should be noted that, by lengthening the length of the electrostatic adsorption film, the electrostatic adsorption film can be ensured to be effectively adsorbed on the optical film adsorption platform, and when the set length of the electrostatic adsorption film is less than 20mm, the effect of the electrostatic adsorption film is the same as the effect before being lengthened, and the electrostatic adsorption film cannot be adsorbed on the adsorption platform; when the length of the electrostatic adsorbing film is set to be greater than 30mm, the length of the electrostatic adsorbing film is too long and the processing using half die cutting is troublesome, and therefore, it is preferable to select the length of the electrostatic adsorbing film to be set to be greater than 25mm of the lengths of the base film, the optical film and the adhesive layer.
In one embodiment, the electrostatic adsorption film is provided with half-punched graduation marks on its surface.
It should be noted that, be provided with half die-cut scale mark on electrostatic adsorption membrane's surface and can conveniently die-cut the tailors, set up half die-cut scale mark and can accurate knowing die-cut position and die-cut length of tailorring.
In one embodiment, the substrate film has a thickness of 50 μm to 100 μm.
It should be noted that, the substrate film can provide a supporting effect of the film material foundation, and when the thickness of the substrate film is less than 50 μm, the supporting effect provided by the substrate film is lower, so that the toughness and elasticity of the film material are reduced; when it is more than 100. Mu.m, the thickness of the base film is so large that the film material is so hard as to be unfavorable for stretching and elongation, whereby it is preferable to select the thickness of the base film to be 70. Mu.m.
In one embodiment, the optical film has a thickness of 10 μm to 30 μm.
When the thickness of the optical film is less than 10 μm, the light transmittance of the film material is lowered; when the thickness of the optical film is more than 30 μm, it is difficult to make the surface of the optical film flat due to uneven surface of the material from which the optical film is prepared, and thus the light transmitting effect becomes poor, and thus, it is preferable to select the thickness of the optical film to be 15 μm.
In one embodiment, the thickness of the adhesive layer is 10 μm to 30 μm.
When the thickness of the adhesive layer is less than 10 μm, the adhesive performance is lowered, and the adhesive layer is easy to fall off when being adhered to equipment; when the thickness of the adhesive layer is more than 30 μm, the adhesive layer thickness is caused to be high so that the light transmittance of the optical film becomes low, whereby the adhesive layer thickness is preferably selected to be 15 μm.
In one embodiment, the electrostatic adsorption film has a thickness of 5 μm to 15 μm.
It should be noted that, the thickness of the electrostatic adsorption film is smaller than 5 μm, which results in too thin electrostatic adsorption film, and thus too low adsorption force of the electrostatic adsorption film, so that the adsorption effect is poor and the electrostatic adsorption film is easy to fall off from the adsorption platform; when the thickness of the electrostatic adsorption film is larger than 15 μm, the electrostatic adsorption film thickness is too large, and thus the thickness of the whole film material becomes large, and it is difficult to attach the film to a display screen, a touch panel, or the like, and at the same time, the electrostatic adsorption film thickness is too large, and it is difficult to cut in the half die cutting process, and therefore, the electrostatic adsorption film thickness is preferably 10 μm.
Compared with the prior art, the utility model has at least the following advantages:
1. according to the film material, the electrostatic adsorption film is arranged, and the length of the electrostatic adsorption film is lengthened, so that the length of the electrostatic adsorption film is longer than that of the base material film, the optical film and the adhesive layer, and the electrostatic adsorption film can not easily fall off from the adsorption platform;
2. according to the membrane material, the substrate layer is arranged to enhance the supporting performance and the mechanical performance of the membrane material, so that the electrostatic adsorption membrane can be adsorbed on an adsorption platform more firmly.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic view of a laminated structure of a film according to an embodiment of the present utility model;
fig. 2 is a schematic dimensional structure of an electrostatic adsorption film of one film material in fig. 1.
Wherein, the reference numerals are as follows: 10. a film material; 100. an electrostatic adsorption film; 110. semi-punching scale marks; 200. a base material film; 300. an optical film; 400. an adhesive layer; 500. a release film; 510. and a bump.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Example 1:
referring to fig. 1 and 2, the present embodiment provides a film 10, which includes: the electrostatic adsorption film 100, the base film 200, the optical film 300 and the adhesive layer 400 are sequentially laminated from top to bottom, one side of the electrostatic adsorption film 100 extends outwards, wherein the length of the electrostatic adsorption film 100 is greater than the lengths of the base film 200, the optical film 300 and the adhesive layer 400, the thickness of the electrostatic adsorption film 100 is 10 mu m, the length of the electrostatic adsorption film 100 is greater than 25mm of the lengths of the base film 200, the optical film 300 and the adhesive layer 400, and meanwhile, half punching scale marks are further arranged on the surface of the electrostatic adsorption film 100.
It should be noted that, in the process of pasting the film to the display screen or the touch screen, the display screen or the touch screen is placed on the platform of the pasting machine, then the electrostatic adsorption film 100 of the film material 10 is placed on the adsorption platform of the pasting machine, the electrostatic adsorption film 100 can be cut through electrostatic acting force, the film material 10 can be tightly attached to the adsorption platform and is not easy to fall off, after the film material 10 is stably adsorbed on the adsorption platform, the film material 10 is rolled by the roller to enable the film material 10 to be attached to the display screen or the touch screen, the length of the electrostatic adsorption film 100 is set to be greater than 25mm of the length of the base material film 200, the optical film 300 and the pasting layer 400, the length can further ensure that the electrostatic adsorption film 100 is not fallen off on the adsorption platform, after the film pasting process is completed, the part exceeding the electrostatic adsorption film 100 is cut through a half punching process, the electrostatic adsorption film 100 is provided with a half-cutting scale mark on the surface of the electrostatic adsorption film 100, the electrostatic adsorption film 100 can be more accurately cut, wherein the thickness of the electrostatic adsorption film 100 is 10 μm, and the electrostatic adsorption film 100 can be cut conveniently.
Example 2:
as shown in fig. 1, the present embodiment provides a film material 10, in which the adhesive layer 400 of the film material 10 is OCA, and the thickness of the adhesive layer 400 is 15 μm.
It should be noted that, the adhesive material of the OCA as the adhesive layer 400 has the characteristic of higher bonding strength than other types of adhesive materials, so that the optical film 300 of the film 10 can be firmly bonded with the display device such as the display screen or the touch screen, so that the film 10 is prevented from falling off the surface of the display device such as the display screen or the touch screen, and the adhesive layer 400 can be firmly bonded with the display device such as the display screen or the touch screen, so that light leakage of the display device can be effectively prevented, and light of the display device can be better transmitted through the optical film, and meanwhile, the adhesive layer 400 also has the characteristic of high light transmittance by using the OCA as the adhesive material, so that light transmitted through the optical film 300 is not blocked, further, the light transmittance of the display device such as the display screen or the touch screen is ensured to be stronger, the image seen by a user is ensured to be clearer, the use feeling of the display device such as the display screen or the touch screen is improved, and the adhesive layer 400 uses the OCA as the thickness of 15 μm, so that the light transmittance of the optical film is higher, and meanwhile, the film and the display device such as the film and the display device can be easily fallen off from the display device is not firmly bonded.
Example 3:
referring to fig. 1 again, the present embodiment provides a film material 10, in the present embodiment, a release film 500 is further disposed at an end of the adhesive layer 400 of the film material 10 away from the optical film 300, wherein the release film 500 is a light release film, and a bump 510 is disposed at an end of the release film 500 away from the optical film 300.
It should be noted that, the material of the release film 500 is PET (Polyethylene terephthalate ) release film, through using PET as the film layer material of the release film 500, thereby can make release film 500 have better adsorptivity and laminating nature, guarantee to laminate better from release film 500 and adhesive layer 400, and, use PET as the material of release film 500 can make release force lower, accord with the light standard of release film, and then the convenience of customers tear off release film 500, and further, still scribble one deck silicone oil at the surface of release film 500, through being provided with the silicone oil coating at the surface of release film 500, thereby can reach the surface adhesion of reduction release film 500, make release film 500 accord with the light standard of release film, namely release force is lower, the convenience is from the separation of release film 500 and adhesive layer 400, and then reach the effect of release, keep away from the one end of optical film 300 on release film 500 still is provided with lug 510, lug 510 can let the user tear away from the release film 500 more conveniently when the release film 500.
Example 4:
referring to fig. 1, the present embodiment provides a film 10, in which the thickness of the substrate film 200 of the film 10 is 70 μm.
It should be noted that, the substrate film 200 provides a supporting effect and a mechanical effect of the film base, and may have a better stretching effect and a better deformation effect on the film 10, for example: when the film material 10 is adhered to a display device such as a display screen or a touch screen, the substrate film 200 can ensure that the film material 10 can be properly stretched, so that the film material 10 has certain toughness, the thickness of the substrate film 200 is 70 mu m, the film material 10 has better toughness, and when the substrate film 200 is thicker, the thickness of the whole film material 10 is increased, so that the film material 10 adhered to the display device is thicker, and the light transmittance is reduced.
Example 5:
as shown in fig. 1, the present embodiment provides a film material 10, and in the present embodiment, the thickness of an optical film 300 of the film material 10 is 15 μm.
It should be noted that, as the main film layer of the film material 10, the optical film 300 has the main functions of reflecting, absorbing, scattering, polarizing, and the like, and mainly changes the light propagation path, and an excessive thickness of the optical film 300 may reduce the light reflection, and an excessive thickness of the optical film 300 may reduce the effect of the optical film, so that the optical film 300 may not have the desired effect.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. A film, comprising: the electrostatic adsorption film comprises an electrostatic adsorption film, a base material film, an optical film and an adhesive layer which are sequentially laminated from top to bottom, wherein one side of the electrostatic adsorption film extends outwards, the length of the electrostatic adsorption film is longer than that of the base material film, the optical film and the adhesive layer, and half punching scale marks are arranged on the surface of the electrostatic adsorption film;
the length of the electrostatic adsorption film is 20 mm-30 mm longer than the lengths of the base material film, the optical film and the adhesive layer;
the thickness of the electrostatic adsorption film is 5-15 mu m.
2. The film of claim 1, wherein the adhesive layer is OCA.
3. The film material according to claim 1, wherein a release film is further disposed at an end of the adhesive layer away from the optical film.
4. A film according to claim 3, wherein the release film is a light release film, and a bump is disposed at an end of the release film away from the optical film.
5. The film material according to claim 1, wherein the thickness of the substrate film is 50 μm to 100 μm.
6. The film material according to claim 1, wherein the thickness of the optical film is 10 μm to 30 μm.
7. The film according to claim 1, wherein the thickness of the adhesive layer is 10 μm to 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971229.4U CN219950875U (en) | 2023-04-25 | 2023-04-25 | Membrane material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971229.4U CN219950875U (en) | 2023-04-25 | 2023-04-25 | Membrane material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219950875U true CN219950875U (en) | 2023-11-03 |
Family
ID=88542985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971229.4U Active CN219950875U (en) | 2023-04-25 | 2023-04-25 | Membrane material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219950875U (en) |
-
2023
- 2023-04-25 CN CN202320971229.4U patent/CN219950875U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |