CN106659079A - Composite heat dissipation film and mobile terminal - Google Patents
Composite heat dissipation film and mobile terminal Download PDFInfo
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- CN106659079A CN106659079A CN201611207067.8A CN201611207067A CN106659079A CN 106659079 A CN106659079 A CN 106659079A CN 201611207067 A CN201611207067 A CN 201611207067A CN 106659079 A CN106659079 A CN 106659079A
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- layer
- thermal insulation
- conductive graphite
- radiating film
- heat
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/08—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica comprising asbestos
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/06—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/108—Rockwool fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
Abstract
The invention discloses a composite heat dissipation film and a mobile terminal. The composite heat dissipation film comprises a heat-conducting graphite layer, and a thermal insulation layer for preventing heat transfer arranged on one surface of the heat-conducting graphite layer. According to the composite heat dissipation film, the thermal insulation layer is arranged on one surface of the heat-conducting graphite layer for preventing heat on the heat-conducting graphite layer from being transferred outwards along the side of the thermal insulation layer, so that the other surface of the heat-conducting graphite layer is in contact with a heating device of the mobile terminal when the composite heat dissipation film is used for the mobile terminal, the heat transferred to the composite heat dissipation film from the heating device is quickly emitted along the horizontal direction and is prevented from being diffused along the vertical direction, and the heat is prevented from being transferred to a shell of the mobile terminal, thereby achieving the target of improving the user experience of using the mobile terminal.
Description
Technical field
The present invention relates to mechanics of communication, espespecially a kind of composite radiating film and a kind of mobile terminal.
Background technology
As the development of smart electronicses product, the core number of CPU are more and more, user is preferably met for large-scale
The pursuit that 3D plays with HD video, while these pursuits are met, also result in the smart electronicses product such as mobile phone, flat board
Caloric value is increasing, heat act on after shedding can affect on the shell of smart electronicses product client use smart electronicses product
Experience；Particularly after the popularization of all-metal fuselage, the heat of generation is diffused more readily on all-metal fuselage, is more increased and is disappeared
Sensitiveness of the person of expense to smart electronicses product surface temperature.
The content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of composite radiating film, when mobile terminal is applied to, can
Make the heat that mobile terminal inside is conducted to composite radiating film quickly shed in the horizontal direction and prevent mobile terminal inside from passing
The heat being directed on composite radiating film vertically dissipates, avoids on the housing of heat transfer to mobile terminal, so as to realize
Lift purpose of the user using the experience of mobile terminal.
In order to reach the object of the invention, the invention provides a kind of composite radiating film, including：Conductive graphite layer；Be used for
The thermal insulation layer of heat transfer is prevented, is arranged in an aspect of the conductive graphite layer.
Alternatively, the thermal insulation layer is glass fibre or asbestos.
Alternatively, described composite radiating film includes thermal insulation layer at least described in two-layer, and heat-insulated described at least two-layer
Layer stacks successively arrangement.
Alternatively, described composite radiating film includes conductive graphite layer at least described in two-layer, and described at least two-layer
Conductive graphite layer stacks successively arrangement.
Alternatively, described composite radiating film, it is characterised in that respectively including conductive graphite layer described at least two-layer and extremely
Thermal insulation layer described in few two-layer, and the conductive graphite layer and the thermal insulation layer are stacked alternately successively arrangement；Wherein, described at least two
The thickness of the layer conductive graphite layer is gradually reduced respectively in the same direction with the thickness of thermal insulation layer described at least two-layer.
Alternatively, the thickness range of the conductive graphite layer is 0.17mm～0.4mm.
Alternatively, the thickness range of the thermal insulation layer is 0.07mm～0.3mm.
Alternatively, the composite radiating film also includes：Conducting adhesive layer, is bonded in another aspect of the conductive graphite layer
On.
Alternatively, the composite radiating film also includes：Release layer, is bonded on the conducting adhesive layer.
Alternatively, the release layer is release liners.
Alternatively, the conducting adhesive layer is layers of two-sided.
Alternatively, the thickness range of the conducting adhesive layer is 0.01mm～0.03mm.
Alternatively, the conductive graphite layer is graphite flake.
Present invention also offers a kind of mobile terminal, including the composite radiating film described in any of the above-described embodiment.
Compared with prior art, the composite radiating film that the present invention is provided, thermal insulation layer is arranged on an aspect of conductive graphite layer
On, prevent the heat on conductive graphite layer from thermal insulation layer laterally outer transmission, so, composite radiating film is being applied to mobile terminal
When, another aspect of conductive graphite layer is contacted with the heater members of mobile terminal, and heater members can be made to conduct to composite radiating film
On heat quickly shed in the horizontal direction and prevent the heat that heater members are conducted to composite radiating film from vertically sending out
Dissipate, avoid on the housing of heat transfer to mobile terminal, so as to realize lifting the purpose of the experience that user uses mobile terminal.
Further, conductive graphite layer can be artificial synthesized graphite flake, or natural graphite flake, can be with
It is the artificial synthesized graphite flake and natural graphite flake being mutually combined with each other, is capable of achieving the purpose of the application, its objective is not
Depart from the design philosophy of the present invention, will not be described here, all should belong in the protection domain of the application.
Further, thermal insulation layer has larger thermal resistance, and especially vertical direction thermal resistance is big, the especially little (thickness of thermal conductivity
The extremely low thermal conductivity factor in direction (or z-axis direction)), it is essentially prevented from heat above conductive graphite layer very fast biography vertically
Pass, it is to avoid when mobile terminal is applied to, heat transfer is on the housing of mobile terminal.
Further, layers of two-sided can at high temperature keep preferable thermal conductivity and viscosity, and using composite radiating film
When, it is bonded in by removing release liners on heater members, release liners are used to keep the viscosity of layers of two-sided.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realizing and obtain in claim and accompanying drawing.
Description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and constitutes a part for specification, with this
The embodiment of application for explaining technical scheme, does not constitute the restriction to technical solution of the present invention together.
Fig. 1 is the cross section structure diagram of the composite radiating film described in one embodiment of the invention；
Fig. 2 is the cross section structure diagram of the composite radiating film described in another embodiment of the present invention；
Fig. 3 is the cross section structure diagram of the composite radiating film described in another embodiment of the invention；
Fig. 4 is the cross section structure diagram of the composite radiating film described in further embodiment of the present invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between reference and component names is：
10 conductive graphite layers, 20 thermal insulation layers, 30 conducting adhesive layers, 40 release layers.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The mobile terminal of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For represent element such as " module ", " part " or " unit " suffix only for be conducive to the present invention explanation, itself
Not specific meaning.Therefore, " module " can be used mixedly with " part ".
Mobile terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP
The mobile terminal of (portable media player), guider etc. and such as numeral TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for movement
Outside the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
The composite radiating film and mobile terminal of some embodiments of the invention offer are described below in conjunction with the accompanying drawings.
The composite radiating film that the present invention is provided, as shown in Figures 1 to 4, including：Conductive graphite layer 10；With for preventing heat
The thermal insulation layer 20 of amount transmission, is arranged in an aspect of the conductive graphite layer 10.
The composite radiating film that the present invention is provided, thermal insulation layer 20 is arranged in an aspect of conductive graphite layer 10, prevents heat conduction
Heat in graphite linings 10 from the lateral outer transmission of thermal insulation layer 20, so, composite radiating film when mobile terminal is applied to, heat conduction stone
Another aspect of layer of ink 10 is contacted with the heater members of mobile terminal, and heater members can be made to conduct the heat to composite radiating film
Quickly shed and prevent the heat that heater members are conducted to composite radiating film vertically to dissipate, avoid in the horizontal direction
On the housing of heat transfer to mobile terminal, so as to realize lifting the purpose of the experience that user uses mobile terminal.
Wherein, conductive graphite layer 10 can be artificial synthesized graphite flake, or natural graphite flake, can also be
The artificial synthesized graphite flake being mutually combined with each other and natural graphite flake, are capable of achieving the purpose of the application, and its objective does not take off
From the design philosophy of the present invention, will not be described here, all should belong in the protection domain of the application.
And, conductive graphite layer 10 can be one layer, two-layer, three layers etc., thermal insulation layer 20 can also be one layer, two-layer, three
Layer etc., is capable of achieving the purpose of the application, and its objective will not be described here without departing from the design philosophy of the present invention, all should belong to
In the protection domain of the application.
In embodiment of the present invention, as shown in Fig. 2 composite radiating film can include at least two-layer thermal insulation layer 20, and at least
Two-layer thermal insulation layer 20 stacks successively arrangement, for example, a thermal insulation layer 20 is stacked in the one side of conductive graphite layer 10, in thermal insulation layer
Stack another thermal insulation layer 20 on 20 again；Arranged by the thermal insulation layer 20 of such multilayer, can further prevent heat along vertically side
To being delivered to housing, and heat is forced to transmit along conductive graphite layer 10.
In embodiment of the present invention, as shown in figure 3, composite radiating film can also include at least two-layer conductive graphite layer 10,
And at least two conductive graphite layer 10 stack arrangement successively；For example, the one side in a conductive graphite layer 10 stacks another heat conduction
Graphite linings 10, in the relative another side of another conductive graphite layer 10 thermal insulation layer 20 is stacked；So by the heat conduction of at least two-layer
The setting of graphite linings 10, can promote heat to pass through conductive graphite layer 10 and transmit to both sides.
In embodiment of the present invention, as shown in figure 4, composite radiating film can also include at least He of two-layer conductive graphite layer 10
At least two-layer thermal insulation layer 20, and conductive graphite layer 10 and thermal insulation layer 20 are stacked alternately successively arrangement, i.e. if composite radiating film includes
Two-layer conductive graphite layer 10 and two-layer thermal insulation layer 20, then be stack in the one side of first conductive graphite layer 10 first it is heat-insulated
Layer 20, stacks second conductive graphite layer 10, in second conductive graphite on the relative another side of first thermal insulation layer 20
Second thermal insulation layer 20 is stacked on 10 relative another side of layer.In embodiment of the present invention, by being stacked alternately arrangement successively
At least two-layer conductive graphite layer 10 and at least two-layer thermal insulation layer 20, can effectively prevent heat to be vertically transferred to mobile terminal
Surface of shell, and promote heat to transmit along the both sides of conductive graphite layer 10.
Wherein, in embodiment of the present invention, the thickness of conductive graphite layer 10 and at least two-layer thermal insulation layer at least described in two-layer
20 thickness is gradually reduced respectively along same thickness direction；That is, on the direction away from heat generating member, the thickness of conductive graphite layer 10
It is gradually reduced, the thickness of thermal insulation layer 20 is also gradually reduced.Due to fewer apart from heat generating member more distant place heat, therefore distance heating is set
Part conductive graphite layer 10 remotely and the thickness of thermal insulation layer 20 are less, both ensure that the isolation to heat and transmission, again can be effective
Reduce the integral thickness of composite radiating film.
Wherein, the thermal insulation layer 20 of embodiment of the present invention can be slim laminated structure, and this structure is especially suitable for ultra-thin
Heat-insulated demand in electronic product；Interstitial air bag structure is can also be, is reached preferably by blocking the circulation of inner air
Ground effect of heat insulation.Thermal insulation layer 20 in thickness direction (i.e.：Z-axis direction) there is extremely low thermal conductivity factor, and its resist chemical
Property it is strong, with chemical stability well；By the way that new characteristic can be obtained with reference to different additives.
In an embodiment of the present invention, thermal insulation layer 20 is glass fibre or asbestos.Alternatively, the composite radiating film is also
Including：Conducting adhesive layer 30, is bonded in another aspect of the conductive graphite layer 10, when mobile terminal is applied to, heat conduction
Another layer adhesion of tack coat 30 is glued on conductive graphite layer 10 and heater members with this on the heater members of mobile terminal
Knot is together.
Alternatively, the composite radiating film also includes：Release layer 40, is bonded on the conducting adhesive layer 30, release layer
40 are used to keep the viscosity of layers of two-sided, it is to avoid it exposes and adheres to dirt.
Specifically, the release layer 40 is release liners, and the conducting adhesive layer 30 is layers of two-sided.
Layers of two-sided can at high temperature keep preferable thermal conductivity and viscosity, and when using composite radiating film, by tearing
It is bonded in except release liners on heater members, release liners are used to keep the viscosity of layers of two-sided.
Further, the thickness range of the conducting adhesive layer 30 is 0.01mm～0.03mm, such as：0.01mm、0.02mm、
0.03mm etc., while viscosity and heat conductivity is met, it is ensured that the thinner thickness of composite radiating film.
Certainly, the thickness of the conducting adhesive layer 30 can also be greater than 0.03mm, can also be less than 0.01mm, simply
Big etc. the problem of viscosity not enough or heat conductivity difference and composite radiating film thickness occurs, the purpose of the application is also capable of achieving,
Its objective will not be described here without departing from the design philosophy of the present invention, all should belong in the protection domain of the application.
Specifically, the conductive graphite layer 10 is artificial synthesized graphite flake and natural graphite flake.
Further, the thickness range of the conductive graphite layer 10 be 0.17mm～0.4mm, such as 0.17mm, 0.24mm,
0.4mm etc., is capable of achieving the purpose of the application, and its objective will not be described here without departing from the design philosophy of the present invention, all should belong to
In the protection domain of the application.
Certainly, the thickness of conductive graphite layer 10 can also be greater than 0.4mm, can also be less than 0.17mm, and causing to go out
Existing horizontal direction thermal conductivity reduces the problem of the thickness increase of the rising of vertical direction thermal conductivity or composite radiating film etc., also may be used
The purpose of the application is realized, its objective will not be described here without departing from the design philosophy of the present invention, all should belong to the guarantor of the application
In the range of shield.
Alternatively, the thickness range of the thermal insulation layer 20 is 0.07mm～0.3mm, such as 0.07mm, 0.15mm, 0.3mm,
Ensure the thinner thickness of composite radiating film while guaranteeing heat-insulated.
This composite radiating film does not interfere with the heat conductivility on the surface of conductive graphite layer 10 substantially, can but affect vertical direction
Heat conduction, can use at the position of higher thermal point, higher focus occur so as to prevent mobile terminal surface, it is ensured that user uses
Experience.
The thickness or the number of plies of conductive graphite layer 10 according to the structure space of electronic product, can be changed, multilayered thermally-conductive is used
Graphite linings 10 are combined, so as to the heat conductivility in direction of improving the standard；Or the thickness of change thermal insulation layer 20, increase multilayer insulation
20 increasing the thermal resistance of vertical direction, so that effect of heat insulation is more preferably.
The mobile terminal that the present invention is provided, including the composite radiating film described in any of the above-described embodiment.
The mobile terminal that the present invention is provided, possesses all advantages of the composite radiating film of any of the above-described embodiment, and here is not
Repeat again.
Alternatively, the mobile terminal is mobile phone, flat board etc..
The mobile terminal that the present invention is provided, thermal insulation layer 20 is arranged in an aspect of conductive graphite layer 10, conductive graphite layer
10 another aspect is contacted with the heater members of mobile terminal, and thermal insulation layer prevents the heat on conductive graphite layer 10 from thermal insulation layer 20
Lateral outer transmission, can make heater members conduct the heat to composite radiating film and quickly shed in the horizontal direction and prevent to generate heat
On the housing that heat on device conducts to composite radiating film vertically dissipates, avoid heat transfer to mobile terminal, from
And realize lifting purpose of the user using the experience of mobile terminal.
In sum, the composite radiating film that the present invention is provided, thermal insulation layer is arranged in an aspect of conductive graphite layer, is prevented
Heat on conductive graphite layer from thermal insulation layer laterally outer transmission, so, composite radiating film when mobile terminal is applied to, heat conduction stone
Another aspect of layer of ink is contacted with the heater members of mobile terminal, and heater members can be made to conduct the heat edge to composite radiating film
Horizontal direction quickly sheds and prevents the heat that heater members are conducted to composite radiating film from vertically dissipating, avoid heat
Amount is transferred on the housing of mobile terminal, so as to realize lifting the purpose of the experience that user uses mobile terminal.
Further, conductive graphite layer can be artificial synthesized graphite flake, or natural graphite flake, can be with
It is the artificial synthesized graphite flake and natural graphite flake being mutually combined with each other, is capable of achieving the purpose of the application, its objective is not
Depart from the design philosophy of the present invention, will not be described here, all should belong in the protection domain of the application.
Further, thermal insulation layer has larger thermal resistance, and especially vertical direction thermal resistance is big, thermal conductivity is especially little, substantially
Heat above prevention conductive graphite layer very fast transmission vertically, it is to avoid heat transfer is arrived when mobile terminal is applied to
On the housing of mobile terminal.
Further, layers of two-sided can at high temperature keep preferable thermal conductivity and viscosity, and using composite radiating film
When, it is bonded in by removing release liners on heater members, release liners are used to keep the viscosity of layers of two-sided.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or device including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
In describing the invention, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected, or be detachably connected, or be integrally connected；Can be joined directly together, it is also possible to
It is indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned art can as the case may be understood
Language concrete meaning in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that describe with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.And, the specific features of description, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
Although disclosed herein embodiment as above, described content is only to readily appreciate the present invention and adopt
Embodiment, is not limited to the present invention.Technical staff in any art of the present invention, is being taken off without departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details implemented
Scope of patent protection, still must be defined by the scope of which is defined in the appended claims.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of composite radiating film, it is characterised in that include：
Conductive graphite layer；With
For preventing the thermal insulation layer of heat transfer, it is arranged in an aspect of the conductive graphite layer.
2. composite radiating film according to claim 1, it is characterised in that the thermal insulation layer is glass fibre or asbestos.
3. composite radiating film according to claim 1, it is characterised in that including thermal insulation layer described at least two-layer, and it is described
At least thermal insulation layer described in two-layer stacks successively arrangement.
4. composite radiating film according to claim 1, it is characterised in that including conductive graphite layer described at least two-layer, and
Conductive graphite layer described at least two-layer stacks successively arrangement.
5. composite radiating film according to claim 1, it is characterised in that respectively including conductive graphite layer described at least two-layer
At least thermal insulation layer described in two-layer, and conductive graphite layer described at least two-layer and thermal insulation layer described at least two-layer are successively
It is stacked alternately arrangement；
Wherein, the thickness of conductive graphite layer described at least two-layer with the thickness of thermal insulation layer described at least two-layer along same
Direction is gradually reduced respectively.
6. composite radiating film according to any one of claim 1 to 5, it is characterised in that the thickness model of the thermal insulation layer
Enclose for 0.07mm～0.3mm.
7. composite radiating film according to any one of claim 1 to 5, it is characterised in that the thickness of the conductive graphite layer
Degree scope is 0.17mm～0.4mm.
8. composite radiating film according to claim 1, it is characterised in that also include：
Conducting adhesive layer, is bonded in another aspect of the conductive graphite layer.
9. composite radiating film according to claim 2, it is characterised in that the conducting adhesive layer is layers of two-sided, and institute
The thickness range for stating layers of two-sided is 0.01mm～0.03mm.
10. a kind of mobile terminal, it is characterised in that include composite radiating film as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207067.8A CN106659079A (en) | 2016-12-23 | 2016-12-23 | Composite heat dissipation film and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207067.8A CN106659079A (en) | 2016-12-23 | 2016-12-23 | Composite heat dissipation film and mobile terminal |
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| CN106659079A true CN106659079A (en) | 2017-05-10 |
Family
ID=58828271
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207067.8A Pending CN106659079A (en) | 2016-12-23 | 2016-12-23 | Composite heat dissipation film and mobile terminal |
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