Soaking and heat-insulating mobile phone rear shell film

By sticking a multi-layer heat-distributing and insulating film on the back cover of the mobile phone, the problem of rapid heating of the back cover of the mobile phone is solved, the heat is evenly dispersed and away from the area where people touch it, which improves the comfort of use.

CN223452005UActive Publication Date: 2025-10-17IBIH ADVANCED MATERIAL (HENAN) CO LTD
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Patent Information

Application Number
CN202422780141.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-10-17
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

Existing mobile phone back cover materials have poor thermal insulation performance, which causes the back cover of the mobile phone to heat up rapidly when working under high load, affecting user comfort.

Method used

The heat-dissipating and heat-insulating film adopts a multi-layer structure, including a first adhesive layer, a heat dissipation layer, a heat insulation layer and an encapsulation layer. Combined with the infrared coating design, the heat dissipation layer disperses heat, the heat insulation layer reduces heat transfer, and the infrared coating guides heat away from the area where people touch it.

Benefits of technology

It effectively reduces local heat in the phone and improves user comfort. The material is light and thin, does not increase the weight of the phone, and does not affect the design. It is suitable for a variety of phone models.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a soaking and heat-insulating mobile phone rear shell pasting film, which comprises a pasting film body, the pasting film body is provided with a camera abdicating hole corresponding to a mobile phone rear shell, and the pasting film body comprises a first adhesive layer, a heat dissipation layer, a second adhesive layer, a heat insulation layer and a packaging layer which are sequentially arranged; and the outer end surface of the first adhesive layer is used as an end surface adhered to the mobile phone rear shell. According to the utility model, the soaking and heat-insulating film is pasted on the rear shell of the mobile phone, and the heat generated by the battery cell and the battery is dispersed to the whole area by the film through the cooling fins, so that overhigh local heat is avoided, the heat is uniformly dispersed, and the heat transfer amount which can be sensed by a human body is reduced through the heat-insulating layer; due to the arrangement of the infrared coating in the non-holding area, heat is guided to the infrared coating to be dissipated, the heat is conveniently guided to the part far away from the hand contact part, the heat contacted by the hand is reduced, and the use comfort is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of electronic device heat dissipation, concretely relates to a heat equalizing and heat insulating mobile phone back shell film. BACKGROUND

[0002] With the continuous progress of science and technology, electronic products such as smart phones are constantly updated and replaced, the size of their working components is getting smaller and smaller, the speed and efficiency of work are getting higher and higher, and the heat generation is getting larger and larger.

[0003] The current mobile phone back shell is generally a single layer plastic shell or a single layer glass shell, and the heat insulation performance of the two shell bodies is relatively poor. Under the condition of high-speed operation or charging of the mobile phone, a large amount of heat is usually generated at the positions corresponding to the battery and the battery, which causes the mobile phone back cover to rapidly heat up to a temperature higher than the human body temperature, and the user often feels uncomfortable when holding the mobile phone, affecting the user experience. SUMMARY

[0004] The utility model provides a heat equalizing and heat insulating mobile phone back shell film which can collect and insulate the heat generated by the mobile phone when pasted on the mobile phone back shell, reduce the heat transferred to the human body and improve the comfort of use.

[0005] The utility model adopts the technical scheme that:

[0006] A heat equalizing and heat insulating mobile phone back shell film includes a film body, the film body is provided with a camera notch corresponding to the mobile phone back shell, and the film body includes a first adhesive layer, a heat dissipation layer, a second adhesive layer, a heat insulation layer and an encapsulation layer arranged in sequence. The outer end surface of the first adhesive layer serves as the end surface for pasting the mobile phone back shell. The first adhesive layer is used to paste the film body on the mobile phone back shell, the heat dissipation layer is used to disperse and transfer the heat at the positions corresponding to the battery and the battery, so as to avoid local overheating, the heat insulation layer is used to insulate the large amount of heat generated at the positions corresponding to the battery and the battery, and reduce the amount of heat transferred to the human body, and the encapsulation layer is used to protect the heat insulation layer and prevent it from being abraded or powdering.

[0007] As a preferred scheme of the utility model, the thickness of the film body is less than or equal to 0.3 mm.

[0008] As a preferred scheme of the utility model, the thickness of the heat dissipation layer is 0.05 mm-0.15 mm, the thickness of the heat insulation layer is 0.05 mm-0.15 mm, and the thickness of the encapsulation layer is 0.02 mm-0.025 mm.

[0009] As a preferred scheme of the utility model, the film body is provided with a hollow hole which penetrates through all the layers of the film body, which is conducive to the transfer of heat to the air, can also reduce the material cost of production and reduce the weight of the film body.

[0010] As a preferred scheme of the utility model, first coating let -on hole is arranged in the non - holding area of the heat insulation layer, second coating let -on hole is correspondingly arranged in the packaging layer, third coating let -on hole is correspondingly arranged in the second adhesive layer, and first coating let -on hole, second coating let -on hole and third coating let -on hole constitute coating let -on hole; infrared coating is arranged in coating let -on hole, one end surface of infrared coating is connected with the heat dissipation layer, and the other end surface of infrared coating is directly exposed; infrared coating is formed by coating infrared radiation paint, the heat dissipation efficiency of coating area can be improved by infrared coating, the temperature of coating area is lower, heat is guided to the area covered by infrared coating, and the temperature of other areas is further reduced; the end surface of infrared coating is directly exposed, and the heat dissipation effect is better; infrared coating is located in the non - holding area of the mobile phone that is not often contacted by hand, heat is guided to the part far away from the hand contact, the heat contacted by hand is reduced, and the comfort of use is improved; the thickness of infrared coating can be more than the depth of coating let -on hole or not more than, as long as the overall thickness of the film body is not more than 0.3mm.

[0011] As a preferred scheme of the utility model, first coating let -on hole is arranged in the non - holding area of the heat insulation layer, second coating let -on hole is correspondingly arranged in the packaging layer, third coating let -on hole is correspondingly arranged in the second adhesive layer, and first coating let -on hole and third coating let -on hole constitute coating let -on hole; infrared coating is arranged in coating let -on hole, one end surface of infrared coating is connected with the heat dissipation layer, and the other end surface of infrared coating is directly exposed; infrared coating is formed by coating infrared radiation paint, the heat dissipation efficiency of coating area can be improved by infrared coating, the temperature of coating area is lower, heat is guided to the area covered by infrared coating, and the temperature of other areas is further reduced; the end surface of infrared coating is directly exposed, and the heat dissipation effect is better; infrared coating is located in the non - holding area of the mobile phone that is not often contacted by hand, heat is guided to the part far away from the hand contact, the heat contacted by hand is reduced, and the comfort of use is improved; the thickness of infrared coating can be more than the depth of coating let -on hole or not more than, as long as the overall thickness of the film body is not more than 0.3mm.

[0012] As a preferred scheme of the utility model, the heat dissipation layer is graphite sheet, graphite sheet can effectively transmit the heat generated by mobile phone, and the heat generated by electric core and battery is dispersed, so that local overheating is avoided; the heat insulation layer is aerogel bubble cotton layer or aerogel layer.

[0013] As a preferred scheme of the utility model, the packaging layer is packaging film, the packaging layer protects the heat insulation layer from being abraded, prolongs the service life, and can prevent aerogel powder from falling, increases the convenience of transportation and use.

[0014] As a preferred scheme of the utility model, the outer end surface of the first adhesive layer is provided with release film or release paper, which is torn off when being pasted to the mobile phone back shell.

[0015] The utility model discloses a mobile phone rear shell pasting film of even heat insulation, and the heat generated by the battery and the battery is dispersed to the whole area by the radiating fin of the pasting film, which avoids the local heat too high, makes the heat even dispersion, reduces the transmission amount of the heat that can be felt by the human body through the heat insulation layer, and the setting of the infrared coating in the non-holding area guides the heat to the infrared coating and emits, which is convenient for guiding the heat to the part far from the hand contact, reduces the heat contacted by the hand, improves the comfort of use, the overall use material weight of the utility model is light, and the overall weight of the mobile phone rear shell is not obviously increased, the heat generated by the mobile phone is effectively transmitted and absorbed, the original part of the mobile phone is protected, the use is convenient, different models of mobile phones can be designed and adjusted, and the pasting film is pasted to the outer layer of the mobile phone rear shell, which does not increase the design difficulty and weight of the mobile phone itself. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] Figure 1 It is the structure schematic view of the utility model embodiment 1.

[0018] Figure 2 It is the sectional view of the utility model embodiment 1.

[0019] Figure 3 It is the structure schematic view of the utility model embodiment 3.

[0020] Figure 4 It is the sectional view of the utility model embodiment 3.

[0021] Figure 5 It is the sectional view of the utility model embodiment 4. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in the following with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Embodiment 1:

[0024] A mobile phone rear shell pasting film of even heat insulation, such as Figure 1 and 2As shown, including the film body, the thickness of the film body is less than or equal to 0.3mm, the film body is provided with a camera hole 6 corresponding to the mobile phone back shell, the film body includes a first adhesive layer 1, a heat dissipation layer 2, a second adhesive layer 3, a heat insulation layer 4 and an encapsulation layer 5 arranged in turn. The thickness of the heat dissipation layer 2 is 0.05mm; the thickness of the heat insulation layer is 0.15mm; the thickness of the encapsulation layer is 0.02mm.

[0025] The outer end surface of the first adhesive layer 1 is used as the end surface for sticking to the mobile phone back shell, and the outer end surface of the first adhesive layer is usually provided with a release paper or release film. When it is necessary to stick to the outside of the mobile phone back shell, the release film or release paper can be torn off. The release film or release paper is used to protect the first adhesive layer 1 and avoid losing adhesion. The heat dissipation layer 2 is used to dissipate and transfer the heat generated by the mobile phone battery at the corresponding position, avoiding local overheating. In this embodiment, the heat dissipation layer 2 uses a graphite sheet, which can effectively transfer the heat generated by the mobile phone and disperse the heat generated by the battery, avoiding local overheating.

[0026] The heat insulation layer 4 is used to insulate the heat generated by the battery at the corresponding position, reducing the amount of heat transferred to the human body; and the second adhesive layer 3 is used to stick to the outside of the heat dissipation layer 2.

[0027] In this embodiment, the heat insulation layer 4 uses an aerogel foam layer or an aerogel layer. In order to protect the heat insulation layer 4, avoid wear and tear and aerogel powder, and prolong the service life, the encapsulation layer 5 is used for protection. The encapsulation layer 5 uses an encapsulation film, usually a PET film.

[0028] In this embodiment, in order to facilitate overall heat dissipation, the film body is provided with a hollow hole 7 which penetrates through each layer of the film body, which is conducive to heat transfer to the air and can also reduce the material cost of production and the weight of the film body.

[0029] Embodiment 2:

[0030] A mobile phone back shell film for uniform heating and heat insulation, the film body is not provided with a hollow hole, and the rest is the same as embodiment 1.

[0031] Embodiment 3:

[0032] A mobile phone back shell film for uniform heating and heat insulation, as Figure 3 and 4As shown, the film body is not provided with a hollow hole, and a first coating displacement hole is arranged in the non-gripping area of the heat insulation layer 4, and a second coating displacement hole is arranged in the packaging layer 5; a third coating displacement hole is arranged in the second adhesive layer 3, and the first coating displacement hole, the second coating displacement hole and the third coating displacement hole form a coating displacement hole; an infrared coating 8 is arranged in the coating displacement hole, one end surface of the infrared coating 8 is connected with the heat dissipation layer 2, and the other end surface of the infrared coating 8 is directly exposed, and heat is directly dissipated into the air; the infrared coating 8 is formed by coating with infrared radiation paint, which can improve the heat dissipation efficiency of the coating area, make the temperature of the coating area lower, guide the heat to the area covered by the infrared coating, and further reduce the temperature of other areas.

[0033] The infrared coating 8 is arranged in the non-gripping area of the film body, and the hand basically does not contact the area in the normal gripping posture after the film body is pasted to the mobile phone rear shell, and specifically, the infrared coating 8 is arranged on the upper part of the film body, close to the camera displacement hole. The arrangement of the infrared coating 8 facilitates guiding the heat of the gripping area to the non-gripping area away from the hand contact to release, avoids the accumulation of heat in the mobile phone shell after pasting the rear shell film, and helps to reduce the temperature of the gripping area and improve the comfort of use, and the rest is the same as that in Embodiment 1.

[0034] Embodiment 4:

[0035] A mobile phone rear shell film with uniform heating and heat insulation, as shown in Figure 5 A first coating displacement hole is arranged in the non-gripping area of the heat insulation layer 4, and a third coating displacement hole is arranged in the second adhesive layer 3, and the first coating displacement hole and the third coating displacement hole form a coating displacement hole; an infrared coating 8 is arranged in the coating displacement hole, one end surface of the infrared coating 8 is connected with the heat dissipation layer 2, and the other end surface of the infrared coating 8 is connected with the packaging layer 5, and the infrared coating 8 is inside the packaging layer 5, and the packaging layer 5 can protect the infrared coating 8 from being scratched and worn, and prolong the service life of the infrared coating, and the rest is the same as that in Embodiment 3.

[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A heat-isolating and heat-insulating mobile phone back cover film, characterized by: The invention comprises a film body, wherein the film body is provided with a camera clearance hole (6) corresponding to the rear shell of a mobile phone, and the film body comprises a first adhesive layer (1), a heat dissipation layer (2), a second adhesive layer (3), a heat insulation layer (4) and a packaging layer (5) arranged in sequence; the outer end surface of the first adhesive layer (1) serves as the end surface for adhering to the rear shell of the mobile phone.

2. The heat-isolating and heat-insulating mobile phone back cover film according to claim 1, characterized in that: The thickness of the film body is less than or equal to 0.3 mm.

3. The heat-isolating and heat-insulating mobile phone back cover film according to claim 2, characterized in that: The thickness of the heat dissipation layer (2) is 0.05 mm-0.15 mm; the thickness of the heat insulation layer is 0.05 mm-0.15 mm; and the thickness of the packaging layer is 0.02 mm-0.025 mm.

4. The heat-isolating and heat-insulating mobile phone back cover film according to claim 3, characterized in that: The film body is provided with a hollow hole (7).

5. The heat-isolating and heat-insulating mobile phone back cover film according to claim 3, characterized in that: A first coating clearance hole is provided in the non-gripping area of ​​the heat-insulating layer (4), and a second coating clearance hole is provided correspondingly in the encapsulating layer (5); a third coating clearance hole is provided correspondingly in the second adhesive layer (3), and the first coating clearance hole, the second coating clearance hole and the third coating clearance hole constitute the coating clearance hole; An infrared coating (8) is provided in the coating hole, one end surface of the infrared coating (8) is connected to the heat dissipation layer (2), and the other end surface of the infrared coating (8) is directly exposed.

6. The heat-isolating and heat-insulating mobile phone back cover film according to claim 3, characterized in that: A first coating clearance hole is provided in the non-gripping area of ​​the heat-insulating layer (4), and a third coating clearance hole is correspondingly provided in the second adhesive layer (3), and the first coating clearance hole and the third coating clearance hole constitute the coating clearance hole; An infrared coating (8) is provided in the coating yield hole, one end surface of the infrared coating (8) is connected to the heat dissipation layer (2), and the other end surface of the infrared coating (8) is connected to the packaging layer (5).

7. The heat-isolating and heat-insulating mobile phone back cover film according to any one of claims 1 to 6, characterized in that: The heat dissipation layer (2) is a graphite sheet; and the heat insulation layer (4) is an aerogel foam layer or an aerogel layer.

8. The heat-isolating and heat-insulating mobile phone back cover film according to claim 7, characterized in that: The encapsulation layer (5) is an encapsulation film.

9. The heat-isolating and heat-insulating mobile phone back cover film according to claim 7, characterized in that: The outer end surface of the first adhesive layer (1) is provided with a release film or release paper.