CN211557621U - A heat dissipation shielding film and module of making a video recording for module of making a video recording - Google Patents
A heat dissipation shielding film and module of making a video recording for module of making a video recording Download PDFInfo
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- CN211557621U CN211557621U CN202020045360.4U CN202020045360U CN211557621U CN 211557621 U CN211557621 U CN 211557621U CN 202020045360 U CN202020045360 U CN 202020045360U CN 211557621 U CN211557621 U CN 211557621U
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Abstract
The utility model discloses a heat dissipation shielding film for module of making a video recording, include from type membrane, conductive adhesive layer, graphite alkene layer, insulating layer and carrier membrane, overlap the setting in proper order from type membrane, conductive adhesive layer, graphite alkene layer, insulating layer and carrier membrane. Because graphite alkene material has good heat conductivity and electric conductivity, form through adopting graphite alkene layer and other layer common preparations with the shielding film that dispels the heat, both can solve electromagnetic interference's problem like this, can improve the heat-sinking capability of module of making a video recording again greatly. The utility model discloses a camera module, including above-mentioned heat dissipation shielding film.
Description
Technical Field
The utility model relates to a camera technical field especially relates to a heat dissipation shielding film and module of making a video recording for module of making a video recording.
Background
With the rapid development of electronic technology, the functions of mobile phone products are continuously enriched and improved, and the arrangement of a camera on a mobile phone is a leap-over development. The mobile phone can produce high frequency electromagnetic wave in the use, and high frequency electromagnetic wave can cause the influence to the use of cell-phone camera, and the circuit board on the cell-phone camera receives the interference (EMI, EMC) of the strong electromagnetic field of high frequency electromagnetic wave for cell-phone camera produces "snowflake" when shooing, has reduced the quality of cell-phone camera formation of image.
In the production process of the mobile phone camera, an electromagnetic shielding film is usually coated on a flexible circuit board of the mobile phone camera to prevent the mobile phone camera from being affected by high-frequency electromagnetic waves. The traditional electromagnetic shielding film coated on the flexible circuit board of the mobile phone camera is easily affected by the surrounding humid environment and falls off from the flexible circuit board, and on the other hand, when a worker assembles the mobile phone camera, the nail is in contact with the electromagnetic shielding film on the flexible circuit board, so that the electromagnetic shielding film is easily scraped off from the flexible circuit board. Once the electromagnetic shielding film falls, the strong electromagnetic field around can produce the interference to the cell-phone camera, has reduced the picture quality of cell-phone camera formation of image.
In the prior art, a shielding film is usually attached to the back of a flexible circuit board to prevent the problem of easy damage caused by the influence of the surrounding humid environment or during assembly, however, the heat dissipation function of a camera is reduced due to the fact that the existing shielding film is attached to the back of the flexible circuit board, and a motor and a resistor in the camera generate heat, so that the shielding film which can shield electromagnetic interference and has good heat dissipation performance is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a heat dissipation shielding film and the module of making a video recording for making a video recording the module to solve the radiating effect and the poor problem of shielding effect of shielding film among the prior art.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a heat dissipation shielding film for module of making a video recording, include from type membrane, conductive adhesive layer, graphite alkene layer, insulating layer and carrier membrane, should overlap the setting in proper order from type membrane, this conductive adhesive layer, this graphite alkene layer, this insulating layer and this carrier membrane.
Further, the release film is at least one of a polyester film, a polyester release film and a silica gel protective film.
Further, the insulating layer is a light-curing resin layer.
Further, the carrier film is a polyester film and/or a polyester release film.
Further, the thickness of the release film is 45-55 μm.
Further, the thickness of the conductive adhesive layer is 5-15 μm.
Further, the thickness of the graphene layer is 0.1-0.3 μm.
Further, the thickness of the insulating layer is 4-8 μm.
Further, the thickness of the carrier film is 45-55 μm.
The utility model also provides a camera module, including camera lens subassembly, flexible circuit board and as above heat dissipation shielding film, this flexible circuit board is installed at the back of this camera lens subassembly, and this heat dissipation shielding film is attached in one side that this camera lens subassembly was kept away from to this flexible circuit board.
The utility model has the advantages that: a heat dissipation shielding film for making a video recording module includes from type membrane, conductive adhesive layer, graphite alkene layer, insulating layer and carrier membrane, overlaps the setting in proper order from type membrane, conductive adhesive layer, graphite alkene layer, insulating layer and carrier membrane. Because graphite alkene material has good heat conductivity and electric conductivity, form through adopting graphite alkene layer and other layer common preparations with the shielding film that dispels the heat, both can solve electromagnetic interference's problem like this, can improve the heat-sinking capability of module of making a video recording again greatly.
Drawings
Fig. 1 is a schematic structural view of a camera module according to the present invention;
fig. 2 is a schematic view of a split structure of the flexible circuit board of the present invention;
fig. 3 is a cross-sectional view of a heat dissipation shielding film for a camera module according to the present invention;
fig. 4 is a schematic cross-sectional structure diagram of a heat dissipation shielding film for a camera module of the present invention.
In the figure: the heat dissipation shielding film comprises a heat dissipation shielding film 10, a release film 11, a conductive adhesive layer 12, a graphene layer 13, an insulating layer 14 and a carrier film 15; a flexible circuit board 20, a hard board 21, a flexible board 22; a lens assembly 30.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following detailed description, in combination with the accompanying drawings and preferred embodiments, describes the specific embodiments, structures, features and effects of the heat dissipation shielding film for camera module and the camera module according to the present invention as follows:
fig. 1 is the utility model discloses in the structure schematic diagram of the module of making a video recording, fig. 2 is the utility model discloses well flexible circuit board's split structure schematic diagram, fig. 3 is the utility model discloses in be used for the cross-sectional view of the heat dissipation shielding film of the module of making a video recording, fig. 4 is the utility model discloses in be used for the cross-sectional structure schematic diagram of the heat dissipation shielding film of the module of making a video recording.
As shown in fig. 1 to 4, the utility model provides a pair of a heat dissipation shielding film for camera module, include from type membrane 11, conductive adhesive layer 12, graphite alkene layer 13, insulating layer 14 and carrier film 15, from supreme overlapping setting in proper order down of type membrane 11, conductive adhesive layer 12, graphite alkene layer 13, insulating layer 14 and carrier film 15, also can overlap the setting in proper order down from last. In this embodiment, referring to fig. 3 and fig. 4, the conductive adhesive layer 12 is disposed on the upper surface of the release film 11, the graphene layer 13 is disposed on the upper surface of the conductive adhesive layer 12, the insulating layer 14 is disposed on the upper surface of the graphene layer 13, and the carrier film 15 is disposed on the upper surface of the insulating layer 14.
The graphene layer 13 is made of a graphene material, and the graphene layer 13 may be formed by covering graphene powder on the upper surface of the conductive adhesive layer 12, or may be formed by covering a graphene film on the upper surface of the conductive adhesive layer 12. The thickness of the graphene layer 13 is 0.1-0.3 μm, preferably 0.1 μm.
In this embodiment, the release film 11 is at least one of a polyester film, a polyester release film and a silica gel protective film, that is, the release film 11 may be one of a polyester film, a polyester release film and a silica gel protective film, and may be a combination of two or three of the polyester film, the polyester release film and the silica gel protective film. The thickness of the release film 11 is 45 to 55 μm, preferably 52 μm.
The material of the conductive adhesive layer 12 can be selected from any one or a combination of at least two of polyacrylic resin, epoxy resin or polyurethane, the conductive adhesive layer 12 is preferably polyacrylic resin, the conductive adhesive layer 12 contains Ni powder, Co powder and Fe powder, or any one or a combination of at least two of conductive metal powder coated by Ni, Co or Fe, and is preferably Ni powder. The thickness of the layer of conductive glue 12 is 5-15 μm, preferably 10 μm.
The insulating layer 14 is a light-curable resin layer made of a light-curable resin, preferably, the light-curable resin may be at least one of bisphenol a type epoxy acrylate, modified acrylic resin, and urethane acrylic resin, and preferably, the light-curable resin is bisphenol a type epoxy acrylate. The thickness of the insulating layer 14 is 4-8 μm, preferably 6 μm.
The carrier film 15 is a mylar film and/or a mylar release film. The thickness of the carrier film 15 is 45 to 55 μm, preferably 52 μm.
The utility model provides a camera module, including camera lens subassembly 30, flexible circuit board 20 and as above heat dissipation shielding film 10, flexible circuit board 20 installs at the back of camera lens subassembly 30, and heat dissipation shielding film 10 is attached in one side that camera lens subassembly 30 was kept away from to flexible circuit board 20. The flexible circuit board 20 includes a hard board 21 and a flexible board 22 combined with the hard board 21, and a plurality of electronic components are disposed on a side of the flexible board 22 facing the lens assembly 30.
Wherein, the shape of the heat dissipation shielding film 10 is matched with the flexible circuit board 20, and the heat dissipation shielding film 10 completely covers the hard board 21 and also covers the flexible board 22.
To sum up, the utility model discloses a to dispel the heat shielding membrane 10 adopts graphite alkene layer 13 and other layers to make jointly and forms, because graphite alkene material has good heat conductivity and electric conductivity, so both can solve electromagnetic interference's problem, can improve the heat-sinking capability of the module of making a video recording again greatly.
In this document, the terms upper, lower, left, right, front, rear and the like are used for defining the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims. It is also to be understood that the terms "first" and "second," etc., are used herein for descriptive purposes only and are not to be construed as limiting in number or order.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some changes or modifications within the technical scope of the present invention without departing from the technical scope of the present invention, and the technical contents of the above disclosure can be utilized to make equivalent embodiments, but the technical contents of the present invention are not broken away from, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a heat dissipation shielding film for making a video recording module, its characterized in that includes from type membrane (11), conductive adhesive layer (12), graphite alkene layer (13), insulating layer (14) and carrier membrane (15), should overlap the setting in proper order from type membrane (11), this conductive adhesive layer (12), this graphite alkene layer (13), this insulating layer (14) and this carrier membrane (15).
2. The heat dissipation shielding film for camera module according to claim 1, wherein the release film (11) is at least one of a polyester film, a polyester release film and a silicone protective film.
3. The heat dissipation shielding film for camera module according to claim 1, wherein the insulating layer (14) is a light-cured resin layer.
4. The heat dissipation shielding film for camera module according to claim 1, wherein the carrier film (15) is mylar and/or mylar release film.
5. The heat dissipation shielding film for camera module according to claim 1, wherein the thickness of the release film (11) is 45-55 μm.
6. The heat dissipation shielding film for camera module according to claim 1, wherein the thickness of the conductive adhesive layer (12) is 5-15 μm.
7. The heat dissipation shielding film for camera module according to claim 1, wherein the thickness of the graphene layer (13) is 0.1-0.3 μm.
8. The heat dissipation shielding film for camera module according to claim 1, wherein the thickness of the insulating layer (14) is 4-8 μm.
9. The heat-dissipating shielding film for camera module according to claim 1, wherein the thickness of the carrier film (15) is 45-55 μm.
10. A camera module comprising a lens assembly (30), a flexible circuit board (20), and the heat dissipation shielding film (10) as claimed in any one of claims 1-9, wherein the flexible circuit board (20) is mounted on the back of the lens assembly (30), and the heat dissipation shielding film (10) is attached to the side of the flexible circuit board (20) away from the lens assembly (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045360.4U CN211557621U (en) | 2020-01-09 | 2020-01-09 | A heat dissipation shielding film and module of making a video recording for module of making a video recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045360.4U CN211557621U (en) | 2020-01-09 | 2020-01-09 | A heat dissipation shielding film and module of making a video recording for module of making a video recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211557621U true CN211557621U (en) | 2020-09-22 |
Family
ID=72490866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045360.4U Active CN211557621U (en) | 2020-01-09 | 2020-01-09 | A heat dissipation shielding film and module of making a video recording for module of making a video recording |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211557621U (en) |
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2020
- 2020-01-09 CN CN202020045360.4U patent/CN211557621U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee after: Kunshan Qiuti Microelectronics Technology Co.,Ltd. Address before: No.3, Taihong Road, Kunshan high tech Industrial Development Zone, Suzhou, Jiangsu Province, 215300 Patentee before: KUNSHAN Q TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |