CN207034832U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN207034832U CN207034832U CN201720930833.7U CN201720930833U CN207034832U CN 207034832 U CN207034832 U CN 207034832U CN 201720930833 U CN201720930833 U CN 201720930833U CN 207034832 U CN207034832 U CN 207034832U
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- CN
- China
- Prior art keywords
- metal frame
- backlight module
- conducting pipe
- heat conducting
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of backlight module, including metal frame, the light guide plate being arranged in the metal frame, the lamp bar being arranged on the light guide plate incidence surface, nickel coating is provided with the surface of the metal frame, an at least heat conducting pipe is welded with the nickel coating；One layer of heat radiation layer is covered on the surface of the metal frame.The backlight module, which can more facilitate, stably welds heat conducting pipe, and improves radiation efficiency.
Description
Technical field
It the utility model is related to field of backlights, more particularly to a kind of backlight module.
Background technology
A kind of backlight is disclosed in the patent document that a Authorization Notice No. is CN206002813U, the backlight exists
Heat conducting pipe is internally provided with, lamp bar is pasted onto in the heat absorbing end of heat conducting pipe, is entered using the circulation cooling performance inside heat conducting pipe
Row radiating.The fixed form of heat conducting pipe typically using stickup or welds two ways, wherein, for welding this mode, metal
Frame can only use ferrous material to make, and due to the radiating requirements of backlight, metal frame can also use aluminium alloy to make, and aluminium alloy without
Method is directly welded with heat conducting pipe.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of backlight module, can more facilitate steady
Surely heat conducting pipe is welded, and improves radiation efficiency.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of backlight module, including metal frame, be arranged in the metal frame light guide plate, be arranged on the light guide plate and enter
Lamp bar in smooth surface, nickel coating is provided with the surface of the metal frame, an at least heat conducting pipe is welded with the nickel coating；Institute
State one layer of heat radiation layer of covering on the surface of metal frame.
Further, the metal frame is aluminum alloy material.
Further, the nickel coating is arranged on described at least on the welding region of a heat conducting pipe, and avoids the metal
Other regions on frame surface.
Further, the heat radiation layer avoids the welding region of an at least heat conducting pipe.
Further, the heat radiation layer is carbon nanotube ink or anodization.
Further, the heat absorbing end of an at least heat conducting pipe is positioned close to the position of the lamp bar, and radiating end is set
In the position away from the lamp bar.
Further, an at least heat conducting pipe is arranged on the outer surface of the metal frame.
Further, on the lamp bar is pasted onto on the inside of the side of the metal frame, the heat absorption of an at least heat conducting pipe
End is arranged on the metal frame and is used to paste on the outside of the side of the lamp bar.
Further, an at least heat conducting pipe is arranged on the inner surface of the metal frame.
Further, on the heat absorbing end of an at least heat conducting pipe is arranged on the inside of the side of the metal frame, the lamp
Bar is pasted onto in the heat absorbing end of the heat conducting pipe.
The utility model has the advantages that：The backlight module is provided with nickel coating on the surface of the metal frame, profit
By the use of the nickel coating as intermediary, the heat conducting pipe is welded on the nickel coating, can more facilitate and stably weld institute
State heat conducting pipe；Also, the heat radiation layer can increase the efficiency that the backlight module is radiated using heat radiation.
Brief description of the drawings
Fig. 1 is the schematic diagram of backlight module provided by the utility model；
Fig. 2 is the schematic rear view of another backlight module provided by the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of backlight module, including metal frame 1, the light guide plate 2 being arranged in the metal frame 1, setting
Lamp bar 3 on the incidence surface of light guide plate 2, nickel coating 7 is provided with the surface of the metal frame 1, is welded on the nickel coating 7
It is connected to an at least heat conducting pipe 4；As shown in Fig. 2 one layer of heat radiation layer 8 is covered on the surface of the metal frame 1.
The backlight module is provided with nickel coating 7 on the surface of the metal frame 1, by the use of the nickel coating 7 as intermediary, by institute
State heat conducting pipe 4 to be welded on the nickel coating 7, can more facilitate and stably weld the heat conducting pipe 4；Due to nickel coating 7
Heat emissivity coefficient is 0.04, more much lower than the heat emissivity coefficient 0.3 of aluminium alloy, and the heat radiation layer 8 can increase the backlight
The efficiency that module is radiated using heat radiation.
The metal frame 1 preferably but be not limited to aluminum alloy material, certainly, the metal frame 1 can also use irony or
Stainless steel etc..
The nickel coating 7 is arranged on described at least on the welding region of a heat conducting pipe 4, and avoids the surface of metal frame 1
Other regions, with as far as possible reduce influence of the nickel coating 7 to the efficiency of the heat loss through radiation of the backlight module.
The heat radiation layer 8 can be carbon nanotube ink（Heat emissivity coefficient is 0.95）Or anodization（Heat radiation
Coefficient is 0.75）, and avoid the welding region of an at least heat conducting pipe 4.
The heat absorbing end 41 of an at least heat conducting pipe 4 is positioned close to the position of the lamp bar 3, and radiating end 42 is arranged on far
From the position of the lamp bar 3.
In the present embodiment, an at least heat conducting pipe 4 is arranged on the outer surface of the metal frame 1, and the lamp bar 3 is pasted
On on the inside of the side of the metal frame 1, the heat absorbing end 41 of an at least heat conducting pipe 4 is arranged on the metal frame 1 and is used to glue
Paste on the outside of the side of the lamp bar 3.
In specific implementation, an at least heat conducting pipe 4 can also be arranged on the inner surface of the metal frame 1, described
On the heat absorbing end 41 of an at least heat conducting pipe 4 is arranged on the inside of the side of the metal frame 1, the lamp bar 3 is pasted onto the heat conduction
In the heat absorbing end 41 of pipe 4.
The vapourizing temperature of the condensate liquid at least in a heat conducting pipe 4 is more than 85 DEG C.
It is easily damaged when being bent in view of the heat conducting pipe 4, as shown in Fig. 2 an at least heat conducting pipe 4 described in can also inciting somebody to action is only
It is arranged on the bottom surface of the metal frame 1, on the outer side bottom surface of preferably described metal frame 1.
An at least optical film 5 is provided with the exiting surface of the light guide plate 2, and/or, the light guide plate 2 is away from exiting surface
One side on be provided with reflector plate 6.
Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical scheme of acquisition, it all should fall within the scope of protection of the utility model.
Claims (10)
1. a kind of backlight module, including metal frame, be arranged in the metal frame light guide plate, be arranged on the light guide plate and enter light
Lamp bar on face, it is characterised in that：Nickel coating is provided with the surface of the metal frame, at least one is welded with the nickel coating
Heat conducting pipe；One layer of heat radiation layer is covered on the surface of the metal frame.
2. backlight module according to claim 1, it is characterised in that：The metal frame is aluminum alloy material.
3. backlight module according to claim 1 or 2, it is characterised in that：The nickel coating is arranged on described at least one and led
On the welding region of heat pipe, and avoid other regions on the metal frame surface.
4. backlight module according to claim 1, it is characterised in that：The heat radiation layer avoids an at least heat conducting pipe
Welding region.
5. the backlight module according to claim 1 or 4, it is characterised in that：The heat radiation layer be carbon nanotube ink or
Anodization.
6. backlight module according to claim 1, it is characterised in that：The heat absorbing end of an at least heat conducting pipe, which is arranged on, to be leaned on
The position of the nearly lamp bar, radiating end are arranged far from the position of the lamp bar.
7. backlight module according to claim 6, it is characterised in that：An at least heat conducting pipe is arranged on the metal frame
Outer surface on.
8. backlight module according to claim 7, it is characterised in that：The lamp bar is pasted onto in the side of the metal frame
On side, the heat absorbing end of an at least heat conducting pipe is arranged on the metal frame and is used to paste on the outside of the side of the lamp bar.
9. backlight module according to claim 6, it is characterised in that：An at least heat conducting pipe is arranged on the metal frame
Inner surface on.
10. backlight module according to claim 9, it is characterised in that：The heat absorbing end of an at least heat conducting pipe is arranged on
On on the inside of the side of the metal frame, the lamp bar is pasted onto in the heat absorbing end of the heat conducting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930833.7U CN207034832U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930833.7U CN207034832U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034832U true CN207034832U (en) | 2018-02-23 |
Family
ID=61463112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930833.7U Active CN207034832U (en) | 2017-07-28 | 2017-07-28 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034832U (en) |
-
2017
- 2017-07-28 CN CN201720930833.7U patent/CN207034832U/en active Active
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