CN217116730U - Backlight unit's heat dissipation membrane structure and display module assembly - Google Patents
Backlight unit's heat dissipation membrane structure and display module assembly Download PDFInfo
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- CN217116730U CN217116730U CN202220140083.4U CN202220140083U CN217116730U CN 217116730 U CN217116730 U CN 217116730U CN 202220140083 U CN202220140083 U CN 202220140083U CN 217116730 U CN217116730 U CN 217116730U
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Abstract
The utility model provides a backlight unit's heat dissipation membrane structure and display module assembly, include: a first heat dissipation film layer and a second heat dissipation film layer; a first adhesive layer and a second adhesive layer; the insulating protection rete, one side of insulating protection rete is range upon range of in proper order is equipped with first heat dissipation rete, first adhesive layer, second heat dissipation rete, second adhesive layer. The utility model discloses adopt double-deck graphite layer with backlight unit's graphite flake, improved backlight unit's heat dispersion.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a backlight unit's heat dissipation membrane structure and display module assembly.
Background
At present, in order to solve the problem of heating of a display module, a graphite sheet is attached to an iron frame on the back of a backlight to dissipate heat. However, the size of the screen of the mobile phone is getting bigger and bigger at present, in order to meet the requirement of display brightness, the backlight on the display module needs to be matched with as many LEDs as possible, or the power consumption of the mobile phone is increased to improve the display brightness, the display screen works for a long time, which can cause the position area of the LED lamp on the backlight to generate heat seriously, if the heat can not be dissipated effectively in time, the performance and the service life of the backlight will be affected, and the user experience will also be affected negatively. It is desirable to improve the heat dissipation efficiency of the module.
In the conventional module heat dissipation structure, according to fig. 1-2, the graphite sheet 50 'is a single-layer graphite structure, and has the structures of an insulating protection film layer 501', a graphite heat dissipation sheet layer 502', and an adhesive layer 503'.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a backlight unit's heat dissipation membrane structure, the utility model discloses adopt the double-deck graphite layer with the graphite flake, can promote the module radiating rate.
The utility model provides a technical scheme as follows:
a heat dissipation film structure of a backlight module comprises:
a first heat dissipation film layer and a second heat dissipation film layer;
a first adhesive layer and a second adhesive layer;
the insulating protection rete, one side on insulating protection rete is in proper order the range upon range of be equipped with first heat dissipation rete, first adhesive layer, second heat dissipation rete, second adhesive layer.
As the preferred technical scheme, the first heat dissipation film layer and the second heat dissipation film layer are both graphite heat dissipation fins.
As a preferred technical scheme, the thicknesses of the first heat dissipation film layer and the second heat dissipation film layer are both 0.01-0.1 mm.
The first adhesive layer is attached to the surface of the iron frame.
As the preferred technical scheme, the sizes of the first heat dissipation film layer and the second heat dissipation film layer are the same as the size of the insulating protection film layer.
Preferably, the first adhesive layer and the second adhesive layer have the same size as the insulating protective film layer.
As a preferable technical scheme, the thicknesses of the first adhesive layer, the second adhesive layer and the insulating protective film layer are all 0.01-0.1 mm.
As a preferred technical scheme, the insulating protective film layer is made of release materials.
The application also provides a display module, which comprises the backlight module and the heat dissipation film structure of the backlight module.
As a preferred technical scheme, the backlight module comprises an iron frame, and the second adhesive layer is attached to the surface of the iron frame.
The utility model discloses a technical scheme beneficial effect who reaches: the graphite sheet of the backlight assembly adopts a double-layer graphite layer, so that the heat dissipation performance of the LED under the high-temperature condition can be improved, and the failure of the LED and the display module due to high temperature is avoided.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below to form a part of the present invention, and the exemplary embodiments and the description thereof of the present invention explain the present invention and do not form an improper limitation to the present invention. In the drawings:
FIG. 1 is a schematic view of a heat dissipation film according to the prior art of the present invention;
FIG. 2 is a schematic view of a heat dissipation film according to the prior art;
fig. 3 is a schematic view of a heat dissipation film structure of a backlight module disclosed in embodiment 1 of the present invention;
fig. 4 is a schematic view of a heat dissipation film structure of a backlight module disclosed in embodiment 1 of the present invention.
Description of reference numerals:
a touch panel 10; a driver IC chip 20; an LED light source 30; an iron frame 40; a heat-dissipating film structure 50; an insulating protective film layer 501; a first heat-dissipating film layer 502; a first adhesive layer 503; a second heat-dissipating film layer 504; a second adhesive layer 505.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. In the description of the present invention, it is noted that the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
Example 1
The present embodiment provides a heat dissipation film structure 50 of a backlight module, which includes, according to fig. 1-2:
a first heat-dissipating film layer 502 and a second heat-dissipating film layer 504;
a first adhesive layer 503 and a second adhesive layer 505;
in the insulating protective film layer 501, a first heat dissipation film layer 502, a first adhesive layer 503, a second heat dissipation film layer 504, and a second adhesive layer 505 are sequentially stacked on one side of the insulating protective film layer 501.
Preferably, the first heat-dissipating film layer 502 and the second heat-dissipating film layer 504 are both graphite heat sinks.
The heat conducting graphite sheet is also called a graphite radiating fin, is a brand new heat conducting and radiating material, has unique crystal grain orientation, conducts heat uniformly along two directions, and can be well adapted to any surface by a lamellar structure. The heat conducting graphite sheet has good heat conducting performance, fast heat transfer, thin thickness and light weight, can realize uniform heat dissipation, and better improves the heat dissipation performance of the backlight module.
The chemical components of the heat conductive Graphite material (Thermal Flexible Graphite sheet) are mainly single carbon (C) element, which is a natural element mineral, the film polymer compound can be obtained into a graphitized film by a chemical method under high temperature and high pressure, because the carbon element is a non-metal element, but the carbon element has the electric conduction and heat conduction properties of a metal material, and also has plasticity like organic plastics, and also has special Thermal properties, chemical stability, lubrication, coating on a solid surface and other good process properties.
The backlight module includes an iron frame 40, a double-layer graphite layer attached to one side of the iron frame 40, an insulating protective film layer 501, a first heat dissipation film layer 502, a first adhesive layer 503, a second heat dissipation film layer 504, and a second adhesive layer 505 sequentially arranged from outside to inside according to the heat dissipation film structure 50 of fig. 2, and the second adhesive layer 505 is attached to a partial surface region of the iron frame 40. When the LED light source 30 works, the heat at the LED light source 30 is guided to the second heat dissipation film 504 and then conducted in two horizontal directions, and then the generated heat is quickly dissipated by the first heat dissipation film 502, so as to reduce the temperature at the LED position, reduce the heat dissipation scheme of heat concentration, improve the heat dissipation performance of the LED light source 30 under the high temperature condition, and avoid the failure of the LED light source 30 and the display module due to high temperature.
Preferably, the first heat dissipation film layer 502 and the second heat dissipation film layer 504 are both 0.01-0.1 mm thick.
Preferably, the frame 40 is included, and the second adhesive layer 505 is attached to the surface of the frame 40.
Preferably, the first heat dissipation film layer 502 and the second heat dissipation film layer 504 have the same size as the insulating protection film layer 501.
Preferably, the first adhesive layer 503 and the second adhesive layer 505 are the same size as the insulating protective film layer 501.
Preferably, the thickness of the first adhesive layer 503, the second adhesive layer 505 and the insulating and protecting film layer 501 is 0.01 to 0.1 mm.
Preferably, the first adhesive layer 503 and the second adhesive layer 505 are acrylic adhesives, and common optical adhesives may also be used.
Preferably, the backlight assembly includes a brightness enhancement film, a diffusion film, a light guide plate, a reflection film, and an iron frame 40.
The specific thicknesses and dimensions of the first heat dissipation film layer 502, the first adhesive layer 503, the second heat dissipation film layer 504, the second adhesive layer 505, and the insulating protection film layer 501 may also be set by those skilled in the art according to the needs, and are not specifically limited in this embodiment.
Example 2
The application also provides a display module comprising the heat dissipation film structure of the backlight module in embodiment 1.
Preferably, the backlight module includes an iron frame 40, and the second adhesive layer 505 is attached to the surface of the iron frame 40 of the backlight module.
The display module comprises a touch panel 10 and a driving IC chip 20, the backlight on the display module needs to be matched with as many LED light sources 30 as possible, and the heat dissipation film structure 50 in embodiment 1 is attached to the surface of the iron frame 40 of the backlight module, so that heat from the LED light sources 30 can be effectively dissipated in time, and the service life of the backlight module can be prolonged.
The foregoing describes in detail a heat dissipation film structure and a display module of a backlight module according to an embodiment of the present application, and a specific example is applied to explain the principle and the implementation manner of the present application, and the description of the foregoing embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a backlight unit's heat dissipation membrane structure which characterized in that includes:
a first heat dissipation film layer and a second heat dissipation film layer;
a first adhesive layer and a second adhesive layer;
the insulating protection rete, one side of insulating protection rete is range upon range of in proper order is equipped with first heat dissipation rete, first adhesive layer, second heat dissipation rete, second adhesive layer.
2. The heat-dissipating film structure of a backlight module as claimed in claim 1, wherein the first and second heat-dissipating film layers are graphite heat-dissipating sheets.
3. The heat-dissipating film structure of claim 1, wherein the first and second heat-dissipating film layers are each 0.01-0.1 mm thick.
4. The heat-dissipating film structure of a backlight module as claimed in claim 1, comprising an iron frame, wherein the second adhesive layer is adhered to the surface of the iron frame.
5. The heat-dissipating film structure of a backlight module as claimed in claim 1, wherein the first and second heat-dissipating film layers have the same size as the insulating protective film layer.
6. The heat-dissipating film structure of a backlight module as claimed in claim 1, wherein the first and second adhesive layers have the same size as the insulating protective film layer.
7. The heat-dissipating film structure of a backlight module as claimed in claim 1, wherein the thicknesses of the first adhesive layer, the second adhesive layer and the insulating protective film layer are all 0.01-0.1 mm.
8. The heat-dissipating film structure of claim 1, wherein the insulating protective film layer is a release material.
9. A display module comprising a backlight module and the heat dissipation film structure of the backlight module as claimed in any one of claims 1 to 8.
10. The display module according to claim 9, wherein the backlight module comprises a bezel, and the second adhesive layer is attached to a surface of the bezel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140083.4U CN217116730U (en) | 2022-01-19 | 2022-01-19 | Backlight unit's heat dissipation membrane structure and display module assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220140083.4U CN217116730U (en) | 2022-01-19 | 2022-01-19 | Backlight unit's heat dissipation membrane structure and display module assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217116730U true CN217116730U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220140083.4U Active CN217116730U (en) | 2022-01-19 | 2022-01-19 | Backlight unit's heat dissipation membrane structure and display module assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217116730U (en) |
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- 2022-01-19 CN CN202220140083.4U patent/CN217116730U/en active Active
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