CN203980016U - Light source assembly, backlight source module and liquid crystal display module - Google Patents
Light source assembly, backlight source module and liquid crystal display module Download PDFInfo
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- CN203980016U CN203980016U CN201420381942.4U CN201420381942U CN203980016U CN 203980016 U CN203980016 U CN 203980016U CN 201420381942 U CN201420381942 U CN 201420381942U CN 203980016 U CN203980016 U CN 203980016U
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- light source
- module
- heat radiation
- radiation module
- pcb board
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Abstract
The utility model provides a kind of light source assembly, backlight source module and liquid crystal display module, comprise heat radiation module and light source panel, described light source panel comprises pcb board and is fixed on a plurality of light sources on described pcb board, one side of not fixing described light source on described pcb board is welded on the surface of described heat radiation module, thereby can be by the welding position of described pcb board and described heat radiation module, the heat that the light source being fixed on described pcb board is produced is promptly transmitted on described heat radiation module and distributes, compare with the cooling pad being attached between light source panel and heat radiation module, the heat conductivility of described welding position is better, radiating efficiency is higher.And, due to light source assembly, backlight source module and the liquid crystal display module that the utility model provides, no longer adopt the structure conduction heats such as cooling pad, therefore, not only reduced thermal resistance, improved heat dispersion, and simplified the structure, reduced cost.
Description
Technical field
The utility model relates to technical field of liquid crystal display, more particularly, relates to a kind of light source assembly, backlight source module and liquid crystal display module.
Background technology
Backlight source module is used to liquid crystal display module that light source is provided, so that liquid crystal display module carries out image demonstration.The structure of existing backlight source module, as shown in Figure 1, comprise backboard 101, be fixed on heat radiation module 102 on backboard 101, by cooling pad 103, be attached to the light source panel 104 on the radiating fin of heat radiation module 102, this light source panel 104 comprises pcb board (Printed Circuit Board, printed circuit board (PCB)) 105 and be fixed on a plurality of light sources 106 on pcb board 105, wherein, light source 106 mostly is LED (Light-Emitting Diode, light emitting diode).
Along with the development of liquid crystal display, people are more and more higher to the requirement of the slimming of liquid crystal display module, high brightness, and meanwhile, the problem of dispelling the heat about backlight source module also receives the concern that people are more and more higher.But backlight source module as above, distributes the heat conduction on light source panel 104 by the cooling pad 103 between light source panel 104 and heat radiation module 102, radiating efficiency is lower.
Utility model content
In view of this, the utility model provides a kind of light source assembly, backlight source module and liquid crystal display module, to solve the lower problem of backlight source module radiating efficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
A light source assembly, comprises heat radiation module and light source panel, and described light source panel comprises pcb board and be fixed on a plurality of light sources on described pcb board, and a side of not fixing described light source on described pcb board is welded on the surface of described heat radiation module.
Preferably, described heat radiation module is copper heat pipe.
Preferably, described heat radiation module is soaking plate.
Preferably, described heat radiation module is aluminothermy pipe.
Preferably, described light source is LED.
A backlight source module, comprises backboard, light source assembly as above, and described light source assembly is fixed on described backboard.
Preferably, described heat radiation module is copper heat pipe.
Preferably, described heat radiation module is soaking plate.
Preferably, described heat radiation module is aluminothermy pipe.
Preferably, described light source is LED.
A liquid crystal display module, comprises the backlight source module described in as above any one.
Compared with prior art, technical scheme provided by the utility model has the following advantages:
Light source assembly provided by the utility model, backlight source module and liquid crystal display module, on pcb board, a side of fixed light source is not welded on the surface of described heat radiation module, thereby can be by the welding position of described pcb board and described heat radiation module, the heat that the light source being fixed on described pcb board is produced is promptly transmitted on described heat radiation module and distributes, compare with the cooling pad being attached between light source panel and heat radiation module, the heat conductivility of described welding position is better, and radiating efficiency is higher.
And, due to light source assembly, backlight source module and the liquid crystal display module that the utility model provides, no longer adopt the structure conduction heats such as cooling pad, therefore, not only reduced thermal resistance, improved heat dispersion, and simplified the structure, reduced cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of backlight source module of the prior art;
The side structure schematic diagram of the light source assembly that Fig. 2 provides for an embodiment of the present utility model;
The Facad structure schematic diagram of the light source assembly that Fig. 3 provides for an embodiment of the present utility model;
The structural representation of the another kind of light source assembly that Fig. 4 provides for an embodiment of the present utility model;
The structural representation of the another kind heat radiation module that Fig. 5 provides for an embodiment of the present utility model;
The structural representation of another heat radiation module that Fig. 6 provides for an embodiment of the present utility model;
The structural representation of the backlight source module that Fig. 7 provides for another embodiment of the present utility model.
The specific embodiment
As described in background, existing backlight source module, distributes the heat conduction on light source panel 104 by the cooling pad 103 between light source panel 104 and heat radiation module 102, and radiating efficiency is lower.Inventor studies discovery, and the reason that causes this problem is that the thermal conductivity factor of cooling pad 103 is lower, and heat conductivility is poor, can increase the thermal resistance between light source panel 104 and heat radiation module 102, thereby cause the radiating efficiency of backlight source module lower.
Based on this, the utility model provides a kind of light source assembly, the problems referred to above that exist to overcome prior art, comprise heat radiation module and light source panel, described light source panel comprises pcb board and be fixed on a plurality of light sources on described pcb board, and a side of not fixing described light source on described pcb board is welded on the surface of described heat radiation module.
The utility model also provides a kind of backlight source module, comprises backboard and light source assembly as above, and described light source assembly is fixed on described backboard.
The utility model also provides a kind of liquid crystal display module, comprises backlight source module as above.
Light source assembly provided by the utility model, backlight source module and liquid crystal display module, on pcb board, a side surface of fixed light source is not welded on the surface of described heat radiation module, thereby can be by the welding position of described pcb board and described heat radiation module, the heat that the light source being fixed on described pcb board is produced is promptly transmitted on described heat radiation module and distributes, compare with the cooling pad being attached between light source panel and heat radiation module, the heat conductivility of described welding position is better, and radiating efficiency is higher.
And, due to light source assembly, backlight source module and the liquid crystal display module that the utility model provides, no longer adopt the structure conduction heats such as cooling pad, therefore, not only reduced thermal resistance, improved radiating efficiency, and simplified the structure, reduced cost.
Be more than core concept of the present utility model, for above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model be described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, so the utility model is not subject to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile that represents device architecture can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
An embodiment of the present utility model provides a kind of light source assembly, its side structure schematic diagram as shown in Figure 2, comprise heat radiation module 201 and light source panel 202, light source panel 202 comprises pcb board 2021 and is fixed on a plurality of light sources 2022 on pcb board 2021, wherein, pcb board 2021 not a side of fixed light source 2022 be welded on heat radiation module 201 surface, the position of welding position 203 is as shown in dotted portion in figure.In addition, the light source in the present embodiment 2022 is LED.
The Facad structure schematic diagram of the light source assembly that the present embodiment provides, as shown in Figure 3, one side of pcb board 2021 is welded on the surface of heat radiation module 201, welding position 203 is as shown in dotted portion in figure, the face of weld of this pcb board 2021 is fixed light source 2022 not, and the pcb board 2021 after welding is positioned at the fringe region of heat radiation module 201, to provide side light source for liquid crystal display module.
In the present embodiment, heat radiation module 201 is panel construction, pcb board 2021 is vertical or tilt to be welded on the surface of heat radiation module 201, and the surface of the face of weld of pcb board 2021 and pcb board 2021 fixed light sources 2022 is adjacent, the surface of pcb board 2021 being welded on heat radiation module 201 is adjacent with the surface of pcb board 2021 fixed light sources 2022.
The light source assembly of the another kind of structure that the present embodiment provides, as shown in Figure 4, heat radiation module 301 can be frame type structure, the back side of pcb board 3021 fixed light source 3,022 one sides is welded on the radiating fin of heat radiation module 301, the position of welding position 303 is as shown in dotted portion in figure, and the surface that is welded on the pcb board 3021 on heat radiation module 301 is relative with the surface of pcb board 3021 fixed light sources 204.
In the present embodiment, on pcb board 2021, a side of fixed light source 2022 is not welded on the surface of heat radiation module 201 by laser welding process.In the process of laser weld, no matter whether the metal material of pcb board 2021 is identical with the material of heat radiation module 201, capital is by the mode of metal welding, to after pcb board 2021 and the metal intercrystalline failure separately of heat radiation module 201, combine, thereby greatly reduced the thermal resistance between pcb board 2021 and heat radiation module 201, promoted heat dispersion, and then can conduct by the heat between the atom of welding position, the heat that light source on pcb board 2,021 2022 is produced conducts on heat radiation module 201, then distributes by heat radiation module 201.
In the present embodiment, heat radiation module 201 is aluminothermy pipe, and as shown in Figures 2 and 3, aluminothermy pipe is panel construction, a plurality of tiny pipelines, consists of, and on pcb board 201, a side of fixed light source is not welded on the surface of aluminothermy pipe, and is positioned at one end of aluminothermy tube face plate.Known according to capillary principle, aluminothermy pipe has higher heat conductivility and radiating efficiency, thereby has further improved the radiating efficiency of backlight source module.
In the utility model, heat radiation module can be another kind of structure, and the module 501 that dispels the heat can be bent copper heat pipe, and as shown in Figure 5, light source panel 502 is welded on the hither plane region of copper heat pipe, by welding position 503 distribute heats with copper heat pipe.Or heat radiation module 601 can also be soaking plate, as shown in Figure 6, light source panel 602 is welded on the fringe region of soaking plate, and by welding position 603 distribute heats with soaking plate, certainly, the utility model is not limited in this.
The light source assembly that the utility model provides, by laser weld, light source panel and heat radiation module are welded together, thereby can be by the welding position of described pcb board and described heat radiation module, the heat that the light source being fixed on described pcb board is produced is promptly transmitted on described heat radiation module and distributes, compare with the cooling pad being attached between light source panel and heat radiation module, pcb board is better with the heat conductivility of the welding position of heat radiation module, and radiating efficiency is higher.
And, due to the light source assembly that the utility model provides, no longer adopt the structure conduction heats such as cooling pad, therefore, not only reduced thermal resistance, improved radiating efficiency, and simplified the structure, reduced cost.
Another embodiment of the present utility model provides a kind of backlight source module, comprises backboard and light source assembly as above, and wherein, described light source assembly is fixed on backboard.
As shown in Figure 7, light source assembly comprises light source panel 701 and heat radiation module 702, and described heat radiation module 702 can be aluminothermy pipe, copper heat pipe or soaking plate.Wherein, light source panel 701 is fixed on a side of heat radiation module 702 by laser weld, and as shown in phantom in FIG., and light source panel 701 and heat radiation module 702 are fixed on backboard 703 jointly in welding position 703.
The backlight source module that the present embodiment provides, its light source assembly is by welding position and heat radiation module distribute heat, compare with existing backlight source module, radiating efficiency is higher, and do not need to adopt cooling pad etc., not only reduced thermal resistance, improved radiating efficiency, and simplify the structure, reduced cost.
Another embodiment of the present utility model provides a kind of liquid crystal display module, comprises the backlight source module that above-described embodiment provides.The liquid crystal display module that the utility model provides, by welding position and heat radiation module distribute heat, compares with existing liquid crystal display module, radiating efficiency is higher, and does not need to adopt cooling pad etc., has not only reduced thermal resistance, improve radiating efficiency, and simplified the structure, reduced cost.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a light source assembly, is characterized in that, comprises heat radiation module and light source panel, and described light source panel comprises pcb board and be fixed on a plurality of light sources on described pcb board, and a side of not fixing described light source on described pcb board is welded on the surface of described heat radiation module.
2. light source assembly according to claim 1, is characterized in that, described heat radiation module is copper heat pipe.
3. light source assembly according to claim 1, is characterized in that, described heat radiation module is soaking plate.
4. light source assembly according to claim 1, is characterized in that, described heat radiation module is aluminothermy pipe.
5. light source assembly according to claim 1, is characterized in that, described light source is LED.
6. a backlight source module, is characterized in that, comprises backboard, light source assembly claimed in claim 1, and described light source assembly is fixed on described backboard.
7. backlight source module according to claim 6, is characterized in that, described heat radiation module is copper heat pipe.
8. backlight source module according to claim 6, is characterized in that, described heat radiation module is soaking plate.
9. backlight source module according to claim 6, is characterized in that, described heat radiation module is aluminothermy pipe.
10. backlight source module according to claim 6, is characterized in that, described light source is LED.
11. 1 kinds of liquid crystal display modules, is characterized in that, comprise the backlight source module described in claim 6-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381942.4U CN203980016U (en) | 2014-07-10 | 2014-07-10 | Light source assembly, backlight source module and liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381942.4U CN203980016U (en) | 2014-07-10 | 2014-07-10 | Light source assembly, backlight source module and liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203980016U true CN203980016U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381942.4U Expired - Fee Related CN203980016U (en) | 2014-07-10 | 2014-07-10 | Light source assembly, backlight source module and liquid crystal display module |
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| CN (1) | CN203980016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027271A (en) * | 2017-04-28 | 2017-08-08 | 深圳市华星光电技术有限公司 | Liquid crystal display television cooling system and LCD TV |
| CN108196397A (en) * | 2018-01-02 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of heat sink, backlight module, display panel and display device |
| WO2018166167A1 (en) * | 2017-03-14 | 2018-09-20 | 京东方科技集团股份有限公司 | Display module and backlight module |
-
2014
- 2014-07-10 CN CN201420381942.4U patent/CN203980016U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166167A1 (en) * | 2017-03-14 | 2018-09-20 | 京东方科技集团股份有限公司 | Display module and backlight module |
| CN107027271A (en) * | 2017-04-28 | 2017-08-08 | 深圳市华星光电技术有限公司 | Liquid crystal display television cooling system and LCD TV |
| CN108196397A (en) * | 2018-01-02 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of heat sink, backlight module, display panel and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |