CN213715955U

CN213715955U - Contain electromagnetic film FPC cell-phone optics fingerprint module board

Info

Publication number: CN213715955U
Application number: CN202120004887.7U
Authority: CN
Inventors: 林国平; 吴巨德
Original assignee: Pingxiang Fengdaxing Circuit Board Manufacturing Co ltd
Current assignee: Pingxiang Fengdaxing Circuit Board Manufacturing Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-07-16
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to a fingerprint module technical field, and disclose a contain electromagnetic film FPC cell-phone optics fingerprint module board, solved general fingerprint module board in the in-process of using, the wholeness can be relatively poor, the problem that long-time use takes place the damage easily, it includes the basic unit, the structural symmetry on the basic unit sets up, and the top of basic unit is fixed to bond has the insulating layer, and the top of insulating layer is fixed to bond has the shielding layer, and the top of shielding layer is installed the heat dissipation layer, and the top of heat dissipation layer is fixed to bond has the wearing layer, and the heat dissipation layer includes the carbon nanotube layer, and the top of carbon nanotube layer is fixed to bond has the heat-conducting layer; the utility model can make the fingerprint film plate have good insulating property through the epoxy resin layer and the polyester film layer arranged in the insulating layer; through the anti-interference layer in the shielding layer, the fingerprint film template has good anti-interference performance, and an outer shielding layer is formed on the surface of the fingerprint film template, so that the shielding performance of the fingerprint film template is further improved.

Description

Contain electromagnetic film FPC cell-phone optics fingerprint module board

Technical Field

The utility model belongs to the technical field of the fingerprint module board, specifically be a contain electromagnetic film FPC cell-phone optics fingerprint module board.

Background

Today's under-screen fingerprint recognition mobile phones are deeply loved by consumers, and large mobile phone production businesses are in compliance with market investment of a large amount of money and manpower under-screen fingerprint recognition mobile phones; at present most all realize fingerprint identification under the screen based on optics fingerprint module, in current product, set up optics fingerprint module board below the display screen usually.

The general fingerprint module board is poor in overall performance in the use process, and is easy to damage after being used for a long time.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a contain electromagnetic film FPC cell-phone optics fingerprint module board, the effectual in-process of having solved general fingerprint module board and using, the wholeness can be relatively poor, uses the problem of taking place the damage easily for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a contain electromagnetic film FPC cell-phone optics fingerprint module board, includes the basic unit, structural symmetry in the basic unit sets up, and the top of basic unit is fixed to bond has the insulating layer, and the top of insulating layer is fixed to bond has the shielding layer, and the heat dissipation layer is installed on the top of shielding layer, and the top on heat dissipation layer is fixed to bond has the wearing layer, and the heat dissipation layer includes the carbon nanotube layer, and the top on carbon nanotube layer is fixed to bond has the heat-conducting layer.

Preferably, the carbon nanotube layer is made of a carbon nanotube material, and the heat conduction layer is made of an alumina material.

Preferably, the insulating layer comprises an epoxy resin layer, and a polyester film layer is fixedly bonded on the epoxy resin layer.

Preferably, the epoxy resin layer is made of an epoxy resin material, and the polyester film layer is made of a polyester film material.

Preferably, the shielding layer comprises an anti-interference layer, and an outer shielding layer is sprayed on the surface of the anti-interference layer.

Preferably, the anti-interference layer is made of an electromagnetic shielding film material, and the outer shielding layer is made of a TF-801 shielding conductive paint material.

Preferably, the wear-resistant layer is formed by spraying a ceramic coating.

Compared with the prior art, the beneficial effects of the utility model are that:

in work, the epoxy resin layer and the polyester film layer are arranged in the insulating layer, so that the fingerprint film plate has good insulating performance, and the phenomenon of breakdown caused by electric leakage is avoided; the anti-interference layer in the shielding layer can enable the fingerprint film template to have good anti-interference performance, and the outer shielding layer is formed on the surface of the fingerprint film template, so that the shielding performance of the fingerprint film template can be further improved; through the heat-conducting layer that sets up, can be with heat transfer to the intraformational carbon nanotube layer of heat dissipation inside, then give off the external world to make fingerprint membrane group board have good from heat dispersion, thereby guarantee the stability of its during operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the heat dissipation layer of the present invention;

FIG. 3 is a schematic view of the insulating layer structure of the present invention;

fig. 4 is a schematic diagram of the shielding layer structure of the present invention.

In the figure: 1. a base layer; 2. an insulating layer; 201. an epoxy resin layer; 202. a polyester film layer; 3. a shielding layer; 301. an anti-interference layer; 302. an outer shield layer; 4. a heat dissipation layer; 401. a carbon nanotube layer; 402. a heat conductive layer; 5. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Embodiment one is given by fig. 1-4, the utility model discloses a basic unit 1, the structural symmetry setting on the basic unit 1, the fixed insulating layer 2 that bonds in top of basic unit 1, the fixed shielding layer 3 that bonds in top of insulating layer 2, heat dissipation layer 4 is installed on the top of shielding layer 3, the fixed wearing layer 5 that bonds in top of heat dissipation layer 4, heat dissipation layer 4 includes carbon nanotube layer 401, and the fixed heat-conducting layer 402 that bonds in top of carbon nanotube layer 401 can play good radiating effect.

In the second embodiment, on the basis of the first embodiment, the carbon nanotube layer 401 is made of a carbon nanotube material, and the heat conduction layer 402 is made of an alumina material, so that the heat conduction layer has a good heat conduction performance.

In the third embodiment, on the basis of the first embodiment, the insulating layer 2 includes the epoxy resin layer 201, and the polyester film layer 202 is fixedly bonded on the epoxy resin layer 201, so that the production cost is low.

In the fourth embodiment, on the basis of the third embodiment, the epoxy resin layer 201 is made of an epoxy resin material, and the polyester film layer 202 is made of a polyester film material, so that the insulating performance is good.

In the fifth embodiment, on the basis of the first embodiment, the shielding layer 3 includes the tamper-resistant layer 301, and an external shielding layer 302 is sprayed on the surface of the tamper-resistant layer 301.

Sixth embodiment, on the basis of fifth embodiment, the anti-interference layer 301 is made of an electromagnetic shielding film material, and the outer shielding layer 302 is made of a TF-801 shielding conductive paint material, so that the anti-interference layer has a good shielding performance.

In the seventh embodiment, on the basis of the first embodiment, the wear-resistant layer 5 is formed by spraying a ceramic coating, so that the wear resistance of the wear-resistant layer can be improved.

The working principle is as follows: when the fingerprint film assembly works, firstly, the epoxy resin layer 201 and the polyester film layer 202 arranged in the insulating layer 2 can enable the fingerprint film assembly to have good insulating performance, and the phenomenon of breakdown caused by electric leakage is avoided; the anti-interference layer 301 in the shielding layer 3 can enable the fingerprint film template to have good anti-interference performance, and the shielding performance of the fingerprint film template can be further improved by forming the outer shielding layer 302 on the surface of the fingerprint film template; through the heat-conducting layer 402 who sets up, can be inside heat transfer to the carbon nanotube layer 401 in the heat dissipation layer 4, then give off the external world to make fingerprint membrane group board have good from heat dispersion, thereby guarantee the stability of its during operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a contain electromagnetic film FPC cell-phone optics fingerprint module board, includes basic unit (1), its characterized in that: the structural symmetry on basic unit (1) sets up, and the top of basic unit (1) is fixed to bond has insulating layer (2), and the top of insulating layer (2) is fixed to bond has shielding layer (3), and heat dissipation layer (4) are installed on the top of shielding layer (3), and the top of heat dissipation layer (4) is fixed to bond has wearing layer (5), and heat dissipation layer (4) include carbon nanotube layer (401), and the top of carbon nanotube layer (401) is fixed to bond has heat-conducting layer (402).

2. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 1, wherein: the carbon nanotube layer (401) is made of a carbon nanotube material, and the heat conduction layer (402) is made of an alumina material.

3. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 1, wherein: the insulating layer (2) comprises an epoxy resin layer (201), and a polyester film layer (202) is fixedly bonded on the epoxy resin layer (201).

4. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 3, wherein: the epoxy resin layer (201) is made of epoxy resin materials, and the polyester film layer (202) is made of polyester film materials.

5. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 1, wherein: the shielding layer (3) comprises an anti-interference layer (301), and an outer shielding layer (302) is sprayed on the surface of the anti-interference layer (301).

6. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 5, wherein: the anti-interference layer (301) is made of an electromagnetic shielding film material, and the outer shielding layer (302) is made of a TF-801 shielding conductive paint material.

7. The optical fingerprint module board of the FPC-containing mobile phone containing electromagnetic film as claimed in claim 1, wherein: the wear-resistant layer (5) is formed by spraying a ceramic coating.