CN212381615U - Insulating electromagnetic shielding film - Google Patents
Insulating electromagnetic shielding film Download PDFInfo
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- CN212381615U CN212381615U CN202020467287.XU CN202020467287U CN212381615U CN 212381615 U CN212381615 U CN 212381615U CN 202020467287 U CN202020467287 U CN 202020467287U CN 212381615 U CN212381615 U CN 212381615U
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Abstract
The utility model provides an insulating electromagnetic shield film, is including adorning the insulating electromagnetic shield film in mainboard bottom, insulating electromagnetic shield film is including the first PET insulation film, first carbon fiber cloth, the second PET insulation film, electrically conductive aluminium foil, the third PET insulation film, second carbon fiber cloth, the fourth PET insulation film that from top to bottom arrange the setting in proper order, be equipped with first epoxy layer between first PET insulation film and the second carbon fiber cloth, be equipped with the second epoxy layer between first carbon fiber cloth and the second PET insulation film, there is the third epoxy layer between third PET insulation film and the second carbon fiber cloth, be equipped with fourth epoxy layer between second carbon fiber cloth and the fourth PET insulation film. The utility model discloses have insulating and shielding electromagnetic interference's function simultaneously, the function is more diversified.
Description
Technical Field
The utility model belongs to the technical field of the shielding device and specifically relates to an insulating electromagnetic shield film.
Background
At present, the known insulating film structure used in the display field is formed by a single PET insulating film, and the whole structure of the insulating film structure is only one PET insulating film, so that the insulating film structure only plays an insulating role and has no other role. For the display, a corresponding electromagnetic shielding mechanism is required to be separately arranged for shielding electromagnetic crosstalk on the main board, and the separately arranged shielding mechanism occupies more space inside the display.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a shielding device of display mainboard.
In order to solve the technical problem, the utility model discloses take following technical scheme:
the utility model provides an insulating electromagnetic shield film, is including adorning the insulating electromagnetic shield film in mainboard bottom, insulating electromagnetic shield film is including the first PET insulation film, first carbon fiber cloth, the second PET insulation film, electrically conductive aluminium foil, the third PET insulation film, second carbon fiber cloth, the fourth PET insulation film that from top to bottom arrange the setting in proper order, be equipped with first epoxy layer between first PET insulation film and the second carbon fiber cloth, be equipped with the second epoxy layer between first carbon fiber cloth and the second PET insulation film, there is the third epoxy layer between third PET insulation film and the second carbon fiber cloth, be equipped with fourth epoxy layer between second carbon fiber cloth and the fourth PET insulation film.
The mesh number of the first carbon fiber cloth is 200-250, and the mesh number of the second carbon fiber cloth is 300-350.
The thickness on first epoxy layer is less than the thickness of first PET insulating film, and the thickness on second epoxy layer is less than the thickness of second PET insulating film, and the thickness on third epoxy layer is less than the thickness of third PET insulating film, and the thickness on fourth epoxy layer is less than the thickness of fourth PET insulating film.
The thickness of the first carbon fiber cloth is larger than that of the second carbon fiber cloth.
When the insulating electromagnetic shielding film is installed on a mainboard of the display, the first PET insulating film faces the bottom of the mainboard.
The thickness of first carbon fiber cloth is less than the thickness of first PET insulating film, and the thickness of second carbon fiber cloth is less than the thickness of fourth PET insulating film.
The utility model discloses when playing insulating, have shielding electromagnetic interference's effect again, make the function diversified, satisfy the variety.
Drawings
Fig. 1 is a schematic view of the cross-sectional structure of the present invention.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in the accompanying drawing 1, the utility model discloses an insulating electromagnetic shielding film, including the insulating electromagnetic shielding film of dress in the mainboard bottom, insulating electromagnetic shielding film is including the first PET insulating film 1, first carbon fiber cloth 3, the insulating film 5 of second PET, electrically conductive aluminium foil 6, the insulating film 7 of third PET, second carbon fiber cloth 9, the insulating film 11 of fourth PET that from top to bottom arrange the setting in proper order, be equipped with first epoxy layer 2 between first PET insulating film 1 and the second carbon fiber cloth 3, be equipped with second epoxy layer 2 between first carbon fiber cloth 3 and the insulating film 5 of second PET, there is third epoxy layer 8 between third PET insulating film 7 and the second carbon fiber cloth 5, be equipped with fourth epoxy layer 10 between second carbon fiber cloth 5 and the insulating film 11 of fourth PET. The conductive aluminum foil positioned in the central layer is used as a middle interlayer to play an innermost electromagnetic shielding role. The first carbon fiber cloth and the second carbon fiber cloth have carbon atoms and also have certain shielding property, so that three layers of shielding property are formed from one side to the other side, and the shielding effect is better.
The mesh number of the first carbon fiber cloth is 200-250, and the mesh number of the second carbon fiber cloth is 300-350. Preferably, the mesh number of the first carbon fiber cloth is 200, the mesh number of the second carbon fiber cloth is 300, and the mesh numbers of the two carbon fiber cloths are different, so that the layered shielding performance can be formed.
The thickness on first epoxy layer is less than the thickness of first PET insulating film, and the thickness on second epoxy layer is less than the thickness of second PET insulating film, and the thickness on third epoxy layer is less than the thickness of third PET insulating film, and the thickness on fourth epoxy layer is less than the thickness of fourth PET insulating film. The thickness of the first carbon fiber cloth is larger than that of the second carbon fiber cloth. The thickness of first carbon fiber cloth is less than the thickness of first PET insulating film, and the thickness of second carbon fiber cloth is less than the thickness of fourth PET insulating film.
When the insulating electromagnetic shielding film is installed on a mainboard of the display, the first PET insulating film faces the bottom of the mainboard. The insulating electromagnetic shielding film is mounted at the bottom of the main board inside the display through screws, and the first PET insulating film is close to the main board. Through utilizing this insulating electromagnetic shield film, play the insulating separation effect to the mainboard in the display, can effectually play the electromagnetic crosstalk that shields the board one again simultaneously, the function is diversified, and a part plays two kinds of effects, saves the cost.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an insulating electromagnetic shield film, is including adorning the insulating electromagnetic shield film in mainboard bottom, a serial communication port, insulating electromagnetic shield film is including the first PET insulation film, first carbon fiber cloth, the second PET insulation film, electrically conductive aluminium foil, the third PET insulation film, second carbon fiber cloth, the fourth PET insulation film that from top to bottom arrange the setting in proper order, be equipped with first epoxy layer between first PET insulation film and the second carbon fiber cloth, be equipped with the second epoxy layer between first carbon fiber cloth and the second PET insulation film, there is the third epoxy layer between third PET insulation film and the second carbon fiber cloth, be equipped with fourth epoxy layer between second carbon fiber cloth and the fourth PET insulation film.
2. The insulating electromagnetic shielding film as claimed in claim 1, wherein the mesh number of the first carbon fiber cloth is 200-250, and the mesh number of the second carbon fiber cloth is 300-350.
3. The insulating electromagnetic shielding film according to claim 2, wherein the thickness of the first epoxy layer is smaller than that of the first PET insulating film, the thickness of the second epoxy layer is smaller than that of the second PET insulating film, the thickness of the third epoxy layer is smaller than that of the third PET insulating film, and the thickness of the fourth epoxy layer is smaller than that of the fourth PET insulating film.
4. The insulating electromagnetic shielding film according to claim 3, wherein the first carbon fiber cloth has a thickness greater than that of the second carbon fiber cloth.
5. The insulating electromagnetic shielding film according to claim 4, wherein the first PET insulating film faces a bottom of a main board of the display when the insulating electromagnetic shielding film is mounted on the main board.
6. The insulating electromagnetic shielding film according to claim 5, wherein the first carbon fiber cloth has a thickness smaller than that of the first PET insulating film, and the second carbon fiber cloth has a thickness smaller than that of the fourth PET insulating film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467287.XU CN212381615U (en) | 2020-04-02 | 2020-04-02 | Insulating electromagnetic shielding film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020467287.XU CN212381615U (en) | 2020-04-02 | 2020-04-02 | Insulating electromagnetic shielding film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212381615U true CN212381615U (en) | 2021-01-19 |
Family
ID=74159509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020467287.XU Active CN212381615U (en) | 2020-04-02 | 2020-04-02 | Insulating electromagnetic shielding film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212381615U (en) |
-
2020
- 2020-04-02 CN CN202020467287.XU patent/CN212381615U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An insulating electromagnetic shielding film Effective date of registration: 20230628 Granted publication date: 20210119 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: Guangzhou Ze haoxun science and Technology Co.,Ltd. Registration number: Y2023980046404 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |