CN213803605U - Membrane body mechanism for display screen - Google Patents
Membrane body mechanism for display screen Download PDFInfo
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- CN213803605U CN213803605U CN202022166847.0U CN202022166847U CN213803605U CN 213803605 U CN213803605 U CN 213803605U CN 202022166847 U CN202022166847 U CN 202022166847U CN 213803605 U CN213803605 U CN 213803605U
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Abstract
The utility model discloses a membrane body mechanism for a display screen, which comprises a copper foil component, a foam component and a protective membrane component, wherein the foam component and the protective membrane component are respectively positioned at two opposite sides of the copper foil component along a first direction; the copper foil assembly comprises a copper foil and a first adhesive layer coated on the first surface of the copper foil; the foam component comprises a foam body and a coating layer, wherein the foam body deviates from the second adhesive layer on the surface of one side of the copper foil, the first adhesive layer can be adhered with the foam body, the foam body is made of an acrylic foam body as a base material, the protective film component can be fixedly connected with the second surface of the copper foil, and the supporting component is located between the copper foil component and the foam component and can be respectively abutted against the copper foil component and the foam component. The utility model discloses at least, include following advantage: utilize the copper foil subassembly can effectively dispel the heat under the condition of guaranteeing thinner thickness, then can effectively cushion absorbing effect through the setting of the cotton subassembly of bubble.
Description
Technical Field
The utility model relates to a show auxiliary member technical field, specific is a membrane body mechanism that display screen used.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
With the development of technology, especially the increasing development of consumer electronics products such as mobile phones, the mobile phones become a trend of thinner thickness and larger size. With the innovation of hardware technology, the hardware configuration of mobile phones is higher and higher, such as single core, dual core, quad core, etc., and the battery capacity is continuously enlarged, the overall size is enlarged, etc., and the heat generation problem of consumer electronic products such as mobile phones is increasingly a problem that designers need to pay attention to. The heating problem seriously affects the service life of the mobile phone, the use feeling of the consumer and the safety. The traditional solution is heat-conducting silicon heat dissipation, single metal sheet heat dissipation, graphite heat dissipation and the like, wherein the heat-conducting silicon heat dissipation effect is poor and the thickness is thick; the graphite heat dissipation cost is high, and the graphite needs to be wrapped by double faced adhesive tape because the molecular structure is fragile and the problem of layering, so that the processing efficiency and the yield are greatly reduced. In addition, the above heat dissipation method only has a heat dissipation effect, and does not have functions of buffering and shock resistance.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect in the prior art, the embodiment of the utility model provides a membrane body mechanism that display screen was used, it utilizes the copper foil subassembly can effectively dispel the heat under the condition of guaranteeing thinner thickness, and then can effectively cushion absorbing effect through the setting of the cotton subassembly of bubble.
The embodiment of the application discloses: a film body mechanism for a display screen comprises a copper foil assembly, a foam assembly and a protective film assembly, wherein the foam assembly and the protective film assembly are respectively positioned on two opposite sides of the copper foil assembly along a first direction;
the copper foil assembly comprises a copper foil and a first adhesive layer coated on the first surface of the copper foil;
the foam component comprises a foam body and a second adhesive layer coated on the surface of the side, away from the copper foil, of the foam body, the first adhesive layer can be bonded with the foam body, wherein the foam body is made of an acrylic foam body as a base material,
the protective film assembly can be fixedly connected with the second surface of the copper foil;
the supporting component is located between copper foil subassembly and the cotton subassembly of bubble, and can respectively with copper foil subassembly and the cotton subassembly butt of bubble.
Further, the protective film assembly comprises a film body and a polyurethane adhesive coated on the surface of the film body, wherein the polyurethane adhesive can be adhered to the second surface of the copper foil.
And the double-sided adhesive assembly is positioned between the copper foil assembly and the foam assembly and comprises a substrate made of PI materials, and the two opposite surfaces of the substrate are coated with a third adhesive layer which is respectively bonded with the first adhesive layer and the foam body.
Further, the thickness of the third adhesive layer bonded with the first adhesive layer is smaller than that of the third adhesive layer bonded with the foam body.
Furthermore, the copper foil assembly and the double-sided adhesive tape assembly are correspondingly provided with gaps along a first direction, the gaps are filled with the supporting assemblies, and the supporting assemblies can be gaskets.
Furthermore, the adhesive tape also comprises a release film which can be adhered to the second adhesive layer, and a plurality of grid points protrude from the surface of the release film facing the second adhesive layer.
Furthermore, the side wall of the protective membrane component is provided with a tearing part which can be acted by an operator.
Borrow by above technical scheme, the beneficial effects of the utility model are as follows:
1. according to the copper foil assembly, the heat conducting performance of the copper foil is good, heat generated by a mobile phone battery, a screen and the like can be effectively led out in time, and the copper foil can be bent conveniently according to the properties of thin thickness, soft texture and the like of the copper foil, so that the installation requirement in the subsequent process is effectively matched, and the installation difficulty is reduced;
2. according to the foam component, the material attribute of the foam body has better impact absorbability, good flexibility and excellent filling property on concave-convex surfaces; the performance can not only ensure the uniformity of stress at each part of the copper foil, but also protect the copper foil.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention.
Reference numerals of the above figures: 1. copper foil; 2. a foam body; 3. a second adhesive layer; 4. a membrane body; 5. a substrate; 6. a gasket; 7. 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.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, the present embodiment discloses a film body 4 mechanism for a display screen, which is mainly applied to products such as mobile phones and flat panels. The membrane body 4 mechanism comprises a copper foil 1 component, a protective membrane component which is positioned on the upper side of the copper foil 1 component and is bonded with the copper foil 1 component, and a foam component which is positioned on the lower side of the copper foil 1 component and is bonded with the copper foil 1 component. The copper foil 1 component mainly plays a role in heat dissipation in the use process of the mobile phone; the foam component mainly plays a role in buffering and shock resistance in the use process of the mobile phone.
In the present embodiment, the copper foil 1 assembly includes a copper foil 1 in a sheet shape, and preferably, the copper foil 1 may have a thickness of 35 μm. The copper foil 1 is good in heat-conducting property, heat generated by a mobile phone battery, a screen and the like can be effectively led out in time, and the copper foil can be bent conveniently according to the properties of thinner thickness, soft texture and the like of the copper foil 1, so that the installation requirement in the subsequent process is effectively matched, and the installation difficulty is reduced. Wherein a first glue layer is coated on a first surface (i.e., a lower side surface) of the copper foil 1, and preferably, the thickness of the first glue layer may be 15 μm.
In the present embodiment, the protective film assembly includes a film body 4 located above the copper foil 1, wherein a sectional area of the film body 4 is larger than a sectional area of the copper foil 1. Wherein, the surface of the film body 4 facing the copper foil 1 is coated with polyurethane adhesive, and the film body 4 can be bonded with the copper foil 1 by the polyurethane adhesive. In this embodiment, the adhesion between the film body 4 and the copper foil 1 is preferably controlled to be 3 to 6g/25 mm. Because the protective film needs to be separated from the copper foil 1 in the later process, the numerical control of the adhesive force can ensure that the protective film is easy to separate from the copper foil 1 under the action of external force, and through the selection of colloid properties, the polyurethane adhesive can not remain on the surface of the copper foil 1 after separation, so that the later use of the copper foil 1 can not be influenced.
In this embodiment, a double-sided adhesive layer is disposed between the copper foil 1 assembly and the foam assembly, the double-sided adhesive layer includes a substrate 5 made of PI material, and preferably, the thickness of the substrate 5 may be 25 μm. Glue layers are coated on the upper surface and the lower surface of the substrate 5, wherein a third glue layer capable of being bonded with the first glue layer coated on the lower surface of the copper foil 1 is coated on the upper surface of the PI substrate 5, and the thickness of the third glue layer can be 5 micrometers; the lower surface of the PI substrate 5 is coated with another third glue layer capable of adhering to the foam assembly, where the thickness of the third glue layer may be 26 μm.
Due to the fact that the roughness of the bonding surfaces of the direct bonding between the colloid and the bonding between the colloid and the foam component are different, the bonding force between the copper foil 1 and the PI matrix 5, the bonding force between the foam component and the PI matrix 5 and the bonding force between the copper foil 1 and the PI matrix 5 are basically the same under the control of the third colloid with different thicknesses, and therefore the phenomenon that the copper foil 1, the PI matrix 5 and the foam component are layered in the subsequent process can be effectively avoided under the condition that the thickness is guaranteed to be thin.
In this embodiment, the foam assembly comprises a foam body 2 and a second adhesive layer 3 coated on the lower surface of the foam body 2. It is worth noting that the foam body 2 is made of acrylic foam as a base material, and preferably, the thickness of the foam can be 100 μm. The foam body 2 has good impact absorption property and flexibility and excellent filling property on concave-convex surfaces due to the material property. The performance can not only ensure the uniformity of stress at all positions of the copper foil 1, but also protect the copper foil 1.
The copper foil 1 assembly and the double-sided adhesive assembly are correspondingly provided with gaps along a first direction, the gaps are filled with gaskets 6, and two surfaces of each gasket 6 can be respectively abutted to the membrane body 4 assembly and the foam assembly. Specifically, the thickness of the gasket 6 may be 105 μm, wherein the thickness of the body of the gasket 6 may be 75 μm, and a glue layer having a thickness of 25 μm and used for bonding the polyurethane adhesive on the film body 4 is coated on the upper surface of the gasket 6 such that the bonding force between the gasket 6 and the film body 4 is greater than 300g/25 mm; the lower surface of the gasket 6 is coated with a glue layer which is 5 mu m thick and is used for bonding the foam body 2, so that the bonding force between the gasket 6 and the foam body 2 is less than 2g/25 mm.
The notches correspond to a camera, a fingerprint key and the like of the mobile phone, and mainly play a role in filling and supporting so as to prevent deformation in the process of bonding all components.
Wherein, this the membrane body 4 mechanism still including set up bubble cotton subassembly below from type membrane 7, should from type membrane 7 orientation the protruding a plurality of meshpoints that have on the surface of second glue film 3. From type membrane 7 can with the cotton bonding of bubble, and foretell the setting of grid point is carminative when being convenient for adhere, can not produce the laminating bubble.
Wherein, be provided with the hand that tears that can supply the operator to act on the lateral wall of the 4 subassemblies of diaphragm body, the diaphragm body 4 is cut into the shape of predetermineeing under the effect of outside cutter, through the setting of hand portion of tearing, can with predetermineeing partial diaphragm body 4 at position with copper foil 1 separation, the simple operation, and can not right copper foil 1 causes the pollution.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. A film body mechanism for a display screen is characterized by comprising a copper foil assembly, a foam assembly, a protective film assembly and a supporting assembly, wherein the foam assembly and the protective film assembly are respectively positioned on two opposite sides of the copper foil assembly along a first direction;
the copper foil assembly comprises a copper foil and a first adhesive layer coated on the first surface of the copper foil;
the foam component comprises a foam body and a second adhesive layer coated on the surface of the side, away from the copper foil, of the foam body, the first adhesive layer can be bonded with the foam body, wherein the foam body is made of an acrylic foam body as a base material,
the protective film assembly can be fixedly connected with the second surface of the copper foil;
the supporting component is located between copper foil subassembly and the cotton subassembly of bubble, and can respectively with copper foil subassembly and the cotton subassembly butt of bubble.
2. The film body mechanism for a display screen of claim 1, wherein the protective film assembly comprises a film body, a polyurethane adhesive coated on a surface of the film body, the polyurethane adhesive being capable of adhering to the second surface of the copper foil.
3. The membrane body mechanism for the display screen of claim 1, further comprising a double-sided adhesive assembly located between the copper foil assembly and the foam assembly, wherein the double-sided adhesive assembly comprises a substrate made of PI material, and the two opposite surfaces of the substrate are coated with a third adhesive layer respectively bonded with the first adhesive layer and the foam body.
4. The membrane body mechanism for a display screen of claim 3, wherein the thickness of the third adhesive layer bonded to the first adhesive layer is smaller than the thickness of the third adhesive layer bonded to the foam body.
5. The film body mechanism for a display screen of claim 3, wherein the copper foil assembly and the double-sided adhesive assembly are correspondingly provided with a gap along a first direction, the gap is filled with the supporting assembly, and the supporting assembly can be a gasket.
6. The film body mechanism for a display screen of claim 1, further comprising a release film capable of adhering to the second adhesive layer, wherein a surface of the release film facing the second adhesive layer is provided with a plurality of grid points in a protruding manner.
7. The membrane body mechanism for a display screen of claim 1, wherein the side wall of the protective membrane assembly is provided with a tearing part for an operator to act on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166847.0U CN213803605U (en) | 2020-09-28 | 2020-09-28 | Membrane body mechanism for display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022166847.0U CN213803605U (en) | 2020-09-28 | 2020-09-28 | Membrane body mechanism for display screen |
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| CN213803605U true CN213803605U (en) | 2021-07-27 |
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| CN202022166847.0U Active CN213803605U (en) | 2020-09-28 | 2020-09-28 | Membrane body mechanism for display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997578A (en) * | 2021-10-19 | 2022-02-01 | 捷邦精密科技股份有限公司 | Copper foil wrapped foam structure and processing technology thereof |
| WO2023197380A1 (en) * | 2022-04-12 | 2023-10-19 | 武汉华星光电半导体显示技术有限公司 | Composite functional film, manufacturing method therefor, and display device |
-
2020
- 2020-09-28 CN CN202022166847.0U patent/CN213803605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997578A (en) * | 2021-10-19 | 2022-02-01 | 捷邦精密科技股份有限公司 | Copper foil wrapped foam structure and processing technology thereof |
| WO2023197380A1 (en) * | 2022-04-12 | 2023-10-19 | 武汉华星光电半导体显示技术有限公司 | Composite functional film, manufacturing method therefor, and display device |
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