Die cutting type anti-interference electronic screen diaphragm

Abstract

The utility model discloses a die cutting type anti-interference electronic screen diaphragm, which relates to the technical field of anti-interference diaphragms, and comprises a main body diaphragm, a positioning frame and a dustproof sheet, the main body diaphragm is arranged in the positioning frame, the main body diaphragm is clamped with the positioning frame, the dustproof sheet is arranged below the main body diaphragm, and the dustproof sheet is attached to the main body diaphragm; the main body membrane comprises an upper shielding layer, a protective layer and a lower shielding layer, the upper shielding layer comprises a breathable film, a double-sided adhesive film, a copper foil film and a heat insulation film, the protective layer comprises a one-way adhesive film I, a foam film and a one-way adhesive film II, and the lower shielding layer comprises a graphite sheet and a grid release film. The heat dissipation performance of the main body membrane is improved, and the service life of the main body membrane is prolonged.

Description

Technical Field

[0001] The utility model belongs to the field of anti-interference diaphragms, and particularly relates to a die-cut anti-interference electronic screen diaphragm. Background Technique

[0002] The flat screen diaphragm is a support device for protecting the flat screen. The flat screen uses an OLED industrial screen. The optical films of the OLED industrial screen are divided into a diffusion film, a brightness enhancement film, and a polarized brightness enhancement film. When in use, the flat screen is protected by a diaphragm. With the continuous development of technology, people's requirements for the manufacturing process of flat screen diaphragms are also getting higher and higher.

[0003] Chinese Patent with the application number 202322195618.5 discloses a die-cut anti-interference flat screen diaphragm, including a diaphragm main body. A diaphragm glue frame is integrally positioned on the outer side of the diaphragm main body. A release film is bonded and positioned at the bottom of the diaphragm main body and the diaphragm glue frame. A PET film, a double-sided adhesive film, an upper protective film, a red single-sided adhesive film, a multi-functional protective film, an upper double-sided adhesive, a copper foil single-sided adhesive, graphite, a lower double-sided adhesive, a foam single-sided adhesive, and a grid release film are arranged inside the diaphragm main body. The lower double-sided adhesive is located on the bottom surface of the graphite, the foam single-sided adhesive is located on the bottom surface of the lower double-sided adhesive, and the upper double-sided adhesive is located on the upper surface of the copper foil single-sided adhesive. The die-cut anti-interference flat screen diaphragm of the utility model is provided with a multi-functional protective film and a copper foil single-sided adhesive, which can facilitate better protection of the flat screen, have more complete functions, have a good anti-interference effect, excellent waterproof and self-cleaning performance, can also increase the use strength of the diaphragm, and have a longer service life.

[0004] However, its composite structure is relatively complex, the production cost is relatively high, and during the anti-interference process, the heat energy converted by the electromagnetic field cannot be released in time, resulting in the overall diaphragm being prone to heat up, causing the diaphragm to curl and affecting its service life. Content of the Utility Model

[0005] The utility model provides a die-cut anti-interference electronic screen diaphragm to solve the technical problems raised in the above background technique.

[0006] To solve the above technical problems, a die-cut anti-interference electronic screen diaphragm provided by the utility model includes a main body diaphragm, a positioning frame, and a dust-proof sheet. The main body diaphragm is arranged inside the positioning frame, and the main body diaphragm is snap-connected to the positioning frame. The dust-proof sheet is arranged below the main body diaphragm, and the dust-proof sheet is attached to the main body diaphragm.

[0007] The main body diaphragm includes an upper shielding layer, a protective layer, and a lower shielding layer. The upper shielding layer includes a breathable film, a double-sided adhesive film, a copper foil film, and a heat insulation film. The protective layer includes a one-way adhesive film one, a foam film, and a one-way adhesive film two. The lower shielding layer includes a graphite sheet and a grid release film.

[0008] Preferably, a breathable film is disposed above the double-sided adhesive film, a copper foil film is disposed below the double-sided adhesive film, the heat insulation film is disposed below the copper foil film, and the breathable film, the double-sided adhesive film, the copper foil film, and the heat insulation film are integrally hot-pressed.

[0009] Preferably, the double-sided adhesive film includes an upper adhesive surface, a heat dissipation surface, and a lower adhesive surface. The upper adhesive surface is laid above the heat dissipation surface, the lower adhesive surface is laid below the heat dissipation surface, and the heat dissipation surface is arranged in a honeycomb shape.

[0010] Preferably, a first one-way adhesive film is disposed above the foam film, a second one-way adhesive film is disposed below the foam film, and one ends of the first one-way adhesive film and the second one-way adhesive film where the adhesive surfaces are laid correspond to the foam film.

[0011] Preferably, a grid release film is provided below the bottom of the graphite sheet, and the graphite sheet and the grid release film are integrally hot-pressed.

[0012] Preferably, the upper shielding layer, the protective layer, and the lower shielding layer are integrally hot-pressed, and the breathable film, the double-sided adhesive film, the copper foil film, the heat insulation film, the first one-way adhesive film, the foam film, the second one-way adhesive film, the graphite sheet, and the grid release film are arranged in sequence.

[0013] The present utility model has the following advantages compared with the prior art:

[0014] A die-cut anti-interference electronic screen film of the present utility model, by providing an upper shielding layer, the upper shielding layer absorbs and converts most of the external electromagnetic through the copper foil film. At the same time, a double-sided adhesive film with an adhesive surface, a heat dissipation surface, and a lower adhesive surface is provided on the upper surface of the copper foil film. The honeycomb surface design of the heat dissipation surface can quickly release the heat generated by the copper foil film. A heat insulation film is provided below the copper foil film to avoid heat transfer downward and improve the overall heat insulation performance. By providing a lower shielding layer, the lower shielding layer is provided with a graphite sheet. The graphite sheet can convert the excess electromagnetic, and the graphite sheet has strong thermal conductivity, so as to improve the heat dissipation performance of the main film while ensuring a high anti-interference ability and extending the service life of the main film. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a structural diagram of a die-cut anti-interference electronic screen film of the present utility model;

[0016] Figure 2 is the structure of the main film in a die-cut anti-interference electronic screen film of the present utility model Figure 1 ;

[0017] Figure 3 is the structure of the main film in a die-cut anti-interference electronic screen film of the present utility model Figure 2 ;

[0018] Figure 4 This is a structural diagram of a double-sided adhesive film in a die-cut anti-interference electronic screen film of the present utility model;

[0019] Reference numerals in the figure: 1, positioning frame; 2, main body film; 3, dust-proof sheet; 4, upper shielding layer; 5, protective layer; 6, lower shielding layer; 7, breathable film; 8, double-sided adhesive film; 9, copper foil film; 10, heat insulation film; 11, one-way adhesive film one; 12, foam film; 13, one-way adhesive film two; 14, graphite sheet; 15, grid release film. Specific embodiments

[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: a die-cut anti-interference electronic screen film, including a main body film 2, a positioning frame 1 and a dust-proof sheet 3. The main body film 2 is arranged inside the positioning frame 1, and the main body film 2 is snap-connected to the positioning frame 1. The dust-proof sheet 3 is arranged below the main body film 2, and the dust-proof sheet 3 is attached to the main body film 2;

[0021] The main body film 2 includes an upper shielding layer 4, a protective layer 5 and a lower shielding layer 6. The upper shielding layer 4 includes a breathable film 7, a double-sided adhesive film 8, a copper foil film 9 and a heat insulation film 10. The protective layer 5 includes a one-way adhesive film one 11, a foam film 12 and a one-way adhesive film two 13. The lower shielding layer 6 includes a graphite sheet 14 and a grid release film 15.

[0022] Furthermore, a breathable film 7 is arranged above the double-sided adhesive film 8, a copper foil film 9 is arranged below the double-sided adhesive film 8, and the heat insulation film 10 is arranged below the copper foil film 9. The breathable film 7, the double-sided adhesive film 8, the copper foil film 9 and the heat insulation film 10 are integrally hot-pressed.

[0023] Furthermore, the double-sided adhesive film 8 includes an upper adhesive surface, a heat dissipation surface and a lower adhesive surface. The upper adhesive surface is laid above the heat dissipation surface, the lower adhesive surface is laid below the heat dissipation surface, and the heat dissipation surface is arranged in a honeycomb shape.

[0024] Furthermore, a one-way adhesive film one 11 is arranged above the foam film 12, a one-way adhesive film two 13 is arranged below the foam film 12, and one ends of the one-way adhesive film one 11 and the one-way adhesive film two 13 where the adhesive surfaces are laid correspond to the foam film 12.

[0025] Furthermore, a grid release film 15 is arranged below the bottom of the graphite sheet 14, and the graphite sheet 14 and the grid release film 15 are integrally hot-pressed.

[0026] Furthermore, the upper shielding layer 4, the protective layer 5 and the lower shielding layer 6 are integrally hot-pressed, and the breathable film 7, the double-sided adhesive film 8, the copper foil film 9, the heat insulation film 10, the one-way adhesive film one 11, the foam film 12, the one-way adhesive film two 13, the graphite sheet 14 and the grid release film 15 are arranged in sequence.

[0027] Working principle:

[0028] By setting the upper shielding layer 4, the upper shielding layer 4 absorbs and converts most of the external electromagnetic waves through the copper foil film 9. At the same time, a double-sided adhesive film 8 with an adhesive surface, a heat dissipation surface and a lower adhesive surface is provided on the upper surface of the copper foil film 9. The honeycomb surface design of the heat dissipation surface can quickly release the heat generated by the copper foil film 9. An insulating film 10 is provided below the copper foil film 9 to prevent heat from being transferred downward and improve the overall heat insulation performance. By setting the lower shielding layer 6, the lower shielding layer 6 is provided with a graphite sheet 14. The graphite sheet 14 can convert the excess electromagnetic waves and has strong thermal conductivity. Thus, while ensuring a high anti-interference ability, the heat dissipation performance of the main film 2 is improved, and the service life of the main film 2 is extended.

Claims

1. A die-cut anti-interference electronic screen film, comprising a main body film (2), a positioning frame (1) and a dust-proof sheet (3), characterized in that: The main diaphragm (2) is arranged inside the positioning frame (1), and the main diaphragm (2) is snap-connected to the positioning frame (1). The dust-proof sheet (3) is arranged below the main diaphragm (2), and the dust-proof sheet (3) is attached to the main diaphragm (2). The main diaphragm (2) includes an upper shielding layer (4), a protective layer (5) and a lower shielding layer (6). The upper shielding layer (4) includes a breathable film (7), a double-sided adhesive film (8), a copper foil film (9) and a heat insulation film (10). The protective layer (5) includes a one-way adhesive film one (11), a foam film (12) and a one-way adhesive film two (13). The lower shielding layer (6) includes a graphite sheet (14) and a grid release film (15).

2. The die-cut anti-interference electronic screen diaphragm according to claim 1, characterized in that, The breathable film (7) is arranged above the double-sided adhesive film (8), the copper foil film (9) is arranged below the double-sided adhesive film (8), and the heat insulation film (10) is arranged below the copper foil film (9). The breathable film (7), the double-sided adhesive film (8), the copper foil film (9) and the heat insulation film (10) are integrally hot-pressed.

3. The die-cut anti-interference electronic screen diaphragm according to claim 1, characterized in that, The double-sided adhesive film (8) includes an upper adhesive surface, a heat dissipation surface and a lower adhesive surface. The upper adhesive surface is laid above the heat dissipation surface, the lower adhesive surface is laid below the heat dissipation surface, and the heat dissipation surface is arranged in a honeycomb shape.

4. The die-cut anti-interference electronic screen film according to claim 1, wherein The one-way adhesive film one (11) is arranged above the foam film (12), the one-way adhesive film two (13) is arranged below the foam film (12), and one ends of the one-way adhesive film one (11) and the one-way adhesive film two (13) where the adhesive surfaces are laid correspond to the foam film (12).

5. A die-cut anti-interference electronic screen film according to claim 1, characterized in that, The grid release film (15) is arranged below the bottom of the graphite sheet (14), and the graphite sheet (14) and the grid release film (15) are integrally hot-pressed.

6. The die-cut anti-interference electronic screen diaphragm according to claim 1, wherein The upper shielding layer (4), the protective layer (5) and the lower shielding layer (6) are integrally hot-pressed, and the breathable film (7), the double-sided adhesive film (8), the copper foil film (9), the heat insulation film (10), the one-way adhesive film one (11), the foam film (12), the one-way adhesive film two (13), the graphite sheet (14) and the grid release film (15) are arranged in sequence.

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