CN207455347U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN207455347U CN207455347U CN201721647498.6U CN201721647498U CN207455347U CN 207455347 U CN207455347 U CN 207455347U CN 201721647498 U CN201721647498 U CN 201721647498U CN 207455347 U CN207455347 U CN 207455347U
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- China
- Prior art keywords
- backlight module
- cooling fin
- heat
- hot cooling
- side wall
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Abstract
The utility model discloses the display device of a kind of backlight module and the application backlight module, its backlight module includes backboard, even hot cooling fin and lamp bar, the backboard is formed with accommodation space, the even hot cooling fin is contained in the accommodation space, the lamp bar is contained in the accommodation space and is connected with the even hot cooling fin, and the even hot cooling fin includes the thermal dispersant coatings being cascading from top to bottom, the first even thermosphere, the first glue-line, the second even thermosphere, the second glue-line, the 3rd even thermosphere, heat-conducting glue layer.The backlight module of the utility model provides a kind of entirety slim backlight module.
Description
Technical field
The utility model is related to back lighting device technical field, more particularly to a kind of backlight module and the application backlight module
Display device.
Background technology
At present, existing backlight module effectively solves the heat dissipation problem of LED light source, and structure includes backboard and aluminium section bar dissipates
Backing, backboard are recessed with accommodation space, and aluminium section bar cooling fin is contained in accommodation space, and lamp bar PCB is arranged on aluminium section bar cooling fin,
Heat caused by lamp bar PCB gives out backlight module by aluminium section bar fin conductive to backboard.Yet with aluminium
The heat dissipation performance of section bar cooling fin is general, and in order to increase heat dissipation effect, aluminium section bar cooling fin increases surface face by upper lower convexity
Product radiates, and while adding thickness, also causes Integral upset accordingly, so that having thickeied backlight module.
Utility model content
The main purpose of the utility model is to provide a kind of backlight module, it is desirable to provide a kind of slim backlight mould of entirety
Group.
To achieve the above object, the utility model proposes a kind of backlight module, including backboard, even hot cooling fin and lamp
Item, the backboard are formed with accommodation space, and the even hot cooling fin is contained in the accommodation space, and the lamp bar is contained in described
Accommodation space is simultaneously connected with the even hot cooling fin, and the even hot cooling fin includes the heat-radiation coating being cascading from top to bottom
Layer, the first even thermosphere, the first glue-line, the second even thermosphere, the second glue-line, the 3rd even thermosphere, heat-conducting glue layer.
Preferably, the thickness range of the even hot cooling fin is 0.15 millimeter to 0.49 millimeter.
Preferably, the backboard include at least one side wall and with the side wall be in angle set bottom wall, the side wall and
The accommodation space is collectively formed in the bottom wall.
Preferably, the angle angle of the side wall and the bottom wall is 90 °.
Preferably, the even hot cooling fin include first portion, with the first portion be in angle be connected second portion,
And first heat-conducting glue, the first portion and second portion pass through first heat-conducting glue and connect with the bottom wall and the side wall
It connects, the lamp bar is arranged on the second portion backwards to the one side of side wall.
Preferably, the angle angle of the first portion and the second portion is 90 °.
Preferably, the lamp bar includes pcb board, lamp bead and the second heat-conducting glue, and the lamp bead is arranged on the pcb board backwards
The one side of second portion, the pcb board are connected by second heat-conducting glue with the second portion of the even hot cooling fin.
Preferably, the pcb board is aluminum substrate, and the thickness range of the pcb board is 1 millimeter to 5 millimeters.
Preferably, the side wall and the bottom wall are an integral molding structure.
The utility model also provides a kind of display device, including backlight module as described above.
In technical solutions of the utility model, backboard is formed with accommodation space, and even hot cooling fin is contained in accommodation space, lamp bar
It is contained in accommodation space and is connected with even hot cooling fin, on the one hand effectively realize that backboard is whole more slim, on the other hand even heat
Cooling fin avoids lower convexity on backboard, influences appearance accordingly without setting upper lower convexity；Also, even hot cooling fin include from
Thermal dispersant coatings that top to bottm is cascading, the first even thermosphere, the first glue-line, the second even thermosphere, the second glue-line, the 3rd even heat
Layer, heat-conducting glue layer, when the lamp bead of lamp bar, which shines, generates heat, heat is conducted to even hot cooling fin, for this purpose, heat is by heat dissipation
Coating, the first even thermosphere, the first glue-line, the second even thermosphere, the second glue-line, the 3rd even thermosphere and heat-conducting glue layer, effectively for lamp
Heat caused by item is conducted and distributed faster, so as to improve radiating efficiency.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment backlight module of the utility model；
Fig. 2 is the sectional view of the A-A of Fig. 1；
Fig. 3 is the structure diagram of the even hot cooling fin in Fig. 2.
The drawing reference numeral explanation of the utility model：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of backlight modules.
It please refers to Fig.1 to Fig.3, in one embodiment of the utility model, which includes backboard 10, even hot cooling fin
20 and lamp bar 30, backboard 10 be formed with accommodation space, even hot cooling fin 20 is contained in accommodation space, and lamp bar 30 is contained in receiving
Space is simultaneously connected with even hot cooling fin 20, and even hot cooling fin 20 includes the thermal dispersant coatings A21 being cascading from top to bottom, the
One even thermosphere A22, the first glue-line A23, the second even thermosphere A24, the second glue-line A25, the 3rd even thermosphere A26, heat-conducting glue layer A27.
In the present embodiment, the thickness range of even hot cooling fin 20 is 0.15 millimeter to 0.49 millimeter, and even hot cooling fin 20 can
Backboard 10 is attached at by viscose, the thickness of backboard 10 is effectively avoided to thicken, realizes that this backlight module is more slim, appearance is more
It is beautiful.
Technical solutions of the utility model are by the way that backboard 10 is formed with accommodation space, and it is empty that even hot cooling fin 20 is contained in receiving
Between, lamp bar 30 is contained in accommodation space and is connected with even hot cooling fin 20, on the one hand effectively realizes that backboard 10 is whole more slim,
On the other hand even hot cooling fin 20 avoids lower convexity on backboard 10, influences appearance accordingly without setting upper lower convexity；Also,
Even hot cooling fin 20 include be cascading from top to bottom thermal dispersant coatings A21, the first even thermosphere A22, the first glue-line A23,
Second even thermosphere A24, the second glue-line A25, the 3rd even thermosphere A26, heat-conducting glue layer A27 are generated when the lamp bead 32 of lamp bar 30 shines
During heat, heat is conducted to even hot cooling fin 20, for this purpose, heat is by thermal dispersant coatings A21, the first even thermosphere A22, the first glue-line
A23, the second even thermosphere A24, the second glue-line A25, the 3rd even thermosphere A26 and heat-conducting glue layer A27 are effectively produced for lamp bar 30
Raw heat is conducted and distributed faster, so as to improve radiating efficiency.
Specifically, the present embodiment backboard 10 includes at least one side wall 11 and the bottom wall 12 set with side wall 11 in angle, side
Accommodation space is collectively formed in wall 11 and bottom wall 12.
Side wall 11 and bottom wall 12 are an integral molding structure, and are conducive to produce, and improve production efficiency, 11 He of the present embodiment side wall
The angle angle of bottom wall 12 is 90 °, and even hot cooling fin 20 is connected with side wall 11 and bottom wall 12, and lamp bar 30 is arranged on even hot cooling fin
20 and positioned at 11 one end of side wall, when lamp bar 30 is lighted, even hot cooling fin 20 is effectively conducted the heat that lamp bar 30 is sent.
Specifically, the even hot cooling fin 20 of the present embodiment include first portion 21, with first portion 21 be in that angle is connected the
Two parts 22 and the first heat-conducting glue, first portion 21 and second portion 22 are connected by the first heat-conducting glue and bottom wall 12 and side wall 11
It connects, lamp bar 30 is arranged on second portion 22 backwards to the one side of side wall 11.
The angle angle of first portion 21 and second portion 22 is 90 °, L-shaped, effectively matches connection with backboard 10；This reality
A lamp bar 30 is applied arranged on second portion 22 backwards to the one side of side wall 11, when lamp bar 30 sends luminous energy, light diffuses to even heat and dissipates
The range of scatter of light is effectively ensured in the first portion 21 of backing 20 and bottom wall 12, one side lamp bar 30, and lamp bar 30 is avoided to send
Light can not spread completely, heat caused by another aspect lamp bar 30 itself effectively passes through first of even hot cooling fin 20
Divide 21 quick conduction and heat dissipation.
Preferably, the present embodiment lamp bar 30 includes pcb board 31,32 and second heat-conducting glue of lamp bead, and lamp bead 32 is arranged on pcb board
31 are connected backwards to the one side of second portion 22, pcb board 31 by the second heat-conducting glue with the second portion 22 of even hot cooling fin 20.
The present embodiment pcb board 31 is aluminum substrate, and the thickness range of pcb board 31 is 1 millimeter to 5 millimeters.
When lamp bead 32 is lighted, the heat that lamp bead 32 is sent will carry out once conducting and radiating by aluminum substrate, then
Heat will be conducted to even hot cooling fin 20, effectively carry out secondary-conduction and heat dissipation, will be conducted to backboard 10 followed by heat, effectively
Heat is distributed.
When the thickness of pcb board 31 is 1 millimeter, heat dissipation is effectively realized, for this purpose, increasing the thickness of pcb board 31, on the one hand more
It radiates for the heat that lamp bead 32 is sent well, another aspect pcb board 31 is arranged on second portion 22, does not influence the thickness of backboard 10
Degree, effectively keeps slim, yet another aspect pcb board 31 is not easy bending, and pcb board 31 and even hot cooling fin 20 pass through the second heat-conducting glue
It is not easy to be layered after fitting, so as to ensure preferably to radiate.
The utility model also provides a kind of display device, and display device includes backlight module described above, the backlight module
Concrete structure with reference to above-described embodiment, since this display device employs whole technical solutions of above-mentioned all embodiments, because
This all advantageous effect at least caused by the technical solution with above-described embodiment, this is no longer going to repeat them.
It these are only the preferred embodiment of the utility model, it does not limit the scope of the patent of the present invention, every
Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of backlight module, including backboard, even hot cooling fin and lamp bar, the backboard is formed with accommodation space, the even heat
Cooling fin is contained in the accommodation space, and the lamp bar is contained in the accommodation space and is connected with the even hot cooling fin,
It is characterized in that, the even hot cooling fin includes the thermal dispersant coatings, the first even thermosphere, the first glue that are cascading from top to bottom
Layer, the second even thermosphere, the second glue-line, the 3rd even thermosphere, heat-conducting glue layer.
2. backlight module as described in claim 1, which is characterized in that the thickness range of the even hot cooling fin is 0.15 millimeter
To 0.49 millimeter.
3. backlight module as described in claim 1, which is characterized in that the backboard include at least one side wall and with the side
Wall is in the bottom wall that angle is set, and the accommodation space is collectively formed in the side wall and the bottom wall.
4. backlight module as claimed in claim 3, which is characterized in that the angle angle of the side wall and the bottom wall is 90 °.
5. backlight module as claimed in claim 3, which is characterized in that the even hot cooling fin include first portion, with it is described
First portion is in the second portion and the first heat-conducting glue of angle connection, and the first portion and second portion pass through described first
Heat-conducting glue is connected with the bottom wall and the side wall, and the lamp bar is arranged on the second portion backwards to the one side of side wall.
6. backlight module as claimed in claim 5, which is characterized in that the angle angle of the first portion and the second portion
It spends for 90 °.
7. backlight module as claimed in claim 5, which is characterized in that the lamp bar includes pcb board, lamp bead and the second heat conduction
Glue, the lamp bead are arranged on the pcb board backwards to the one side of second portion, the pcb board by second heat-conducting glue with it is described
The second portion connection of even hot cooling fin.
8. the backlight module as described in claim asks 7, which is characterized in that the pcb board is aluminum substrate, the thickness of the pcb board
It is 1 millimeter to 5 millimeters to spend scope.
9. the backlight module as described in claim asks 3-8 any, which is characterized in that the side wall and the bottom wall are integrated into
Type structure.
10. a kind of display device, which is characterized in that including the backlight module as described in claim 1-9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647498.6U CN207455347U (en) | 2017-11-30 | 2017-11-30 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647498.6U CN207455347U (en) | 2017-11-30 | 2017-11-30 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207455347U true CN207455347U (en) | 2018-06-05 |
Family
ID=62276336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721647498.6U Active CN207455347U (en) | 2017-11-30 | 2017-11-30 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207455347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116592319A (en) * | 2023-04-28 | 2023-08-15 | 惠科股份有限公司 | Backlight module and display device |
-
2017
- 2017-11-30 CN CN201721647498.6U patent/CN207455347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116592319A (en) * | 2023-04-28 | 2023-08-15 | 惠科股份有限公司 | Backlight module and display device |
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