CN207557622U - A kind of backlight module - Google Patents
A kind of backlight module Download PDFInfo
- Publication number
- CN207557622U CN207557622U CN201721848621.0U CN201721848621U CN207557622U CN 207557622 U CN207557622 U CN 207557622U CN 201721848621 U CN201721848621 U CN 201721848621U CN 207557622 U CN207557622 U CN 207557622U
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- Prior art keywords
- backlight module
- plate
- concave
- bottom plate
- convex micro
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Abstract
The utility model discloses a kind of backlight module, including：Backboard has bottom plate and the side plate of extension is folded upward at by plate outer side；Center has cyclic annular platform and the side frame by being extended downwardly on the outside of cyclic annular platform；The side plate and side frame are affixed accommodating fixing optical element；The upper and lower surface of the bottom plate has concave-convex micro-structure.By the way that the upper and lower surface of the bottom plate is formed concave-convex micro-structure after surface treatment, the surface area with concave-convex micro-structure increases, and then increase the contact area with air, improves heat dissipation performance.
Description
Technical field
The utility model is related to back light source technique fields, relate more specifically to a kind of backlight module.
Background technology
Liquid crystal display fever can influence its performance, and shorten its service life.And the pyrotoxin master of liquid crystal display
Backlight is come from, the fever for reducing backlight is most important to liquid crystal display.
Increasing with the screen size of liquid crystal display simultaneously, screen accounting rises to the vision body for bringing and being pleasantly surprised to user
It tests.In order to meet display brightness requirement, the backlight in display module will arrange in pairs or groups LED as much as possible or even part display module
On backlight in also using the LED light of different colours or power consumption for displays be turned up improve display brightness, display screen is for a long time
Work can lead to the IC on display screen and the fever of the backlight LED light band of position, on life of product, performance and user experience
It will bring a negative impact.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of good backlight module of thermal diffusivity.
The utility model institute technique effect to be achieved is realized by following scheme：A kind of backlight module, including：Backboard,
The side plate of extension is folded upward at bottom plate and by plate outer side；Center has cyclic annular platform and by being extended downwardly on the outside of cyclic annular platform
Side frame；The side plate and side frame are affixed accommodating fixing optical element；The upper and lower surface of the bottom plate has concave-convex micro- knot
Structure.
Preferably, the concave-convex micro-structure is wavy shaped configuration.
Preferably, the outer surface of the concave-convex micro-structure is also coated with micron-sized heat sink material.
Preferably, the heat sink material is carbon nanotube.
Preferably, the backboard is metal material.
Preferably, the backboard is aluminium sheet.
Preferably, the optical element includes at least luminescence component being set on side plate interior sides wall.
Preferably, the optical element further includes the reflector plate on bottom plate, the light guide plate on reflector plate and set on leading
Optical diaphragm group on tabula rasa.
Preferably, the luminescence component includes linear LED light bar, is fixed on the madial wall of side plate by thermal paste.
Preferably, the optical diaphragm group includes diffusion barrier, lower bright enhancement film and upper bright enhancement film successively from the bottom up.
The utility model has the following advantages：
1st, by the way that the upper and lower surface of the bottom plate is formed concave-convex micro-structure after surface treatment, there is concave-convex micro-structure
Surface area increase, and then increase the contact area with air, improve heat dissipation performance；
2nd, by the way that the outer surface of the concave-convex micro-structure is also coated with micron-sized heat sink material, bottom can further be promoted
The heat dissipation performance of plate surface.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of backlight module in the utility model；
Fig. 2 is the schematic diagram that the utility model bottom plate has concave-convex micro-structure.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples, the example of the embodiment is in attached drawing
In show, wherein same or similar label represents same or similar element or with same or like function from beginning to end
Element.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, without being understood that
For the limitation to the utility model.
In the description of the present invention, it is to be appreciated that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " interior ", " outer " are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify description rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed ", the terms such as " setting " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally；
Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, may be used also
To be the interaction relationship of connection inside two elements or two elements.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
As shown in Figure 1, the utility model embodiment provides a kind of backlight module, including backboard 10 and center 20, the back of the body
Plate 10 has bottom plate 11 and the side plate 12 of extension is folded upward at by 11 outside of bottom plate, and the center 20 has cyclic annular platform 21 and by ring
The side frame 22 that the outside of shape platform 21 extends downwardly, the side plate 12 and side frame 22 are affixed accommodating fixing optical element.
Wherein, the optical element includes at least luminescence component 30 being set on 12 madial wall of side plate, further includes and is set on
Reflector plate 40 in backboard 10, on bottom plate 11 further includes light guide plate 50 on reflector plate 40 and on light guide plate 50
Optical diaphragm group 60, wherein, the luminescence component 30 includes linear LED light bar, is fixed in side plate 12 by thermal paste
On side wall, the optical diaphragm group 60 includes diffusion barrier 61, lower bright enhancement film 62 and upper bright enhancement film 63 successively from the bottom up, so that hair
The light that optical assembly 30 is incident to light guide plate 50 is more uniformly shown.
Luminescence component 30 shines after being powered can generate heat, if heat distributes not in time can seriously affect backlight mould
The performance of group, therefore the utility model proposes a kind of improvement, as shown in Fig. 2, by the upper and lower surface of the bottom plate 11 by surface
Concave-convex micro-structure 13 is formed after processing, the surface area with concave-convex micro-structure 13 increases, and then increase the contact with air
Area improves heat dissipation performance.Conventional technical means of the prior art can be used in the method that the bottom plate 11 is surface-treated, and such as loses
The techniques such as quarter, wire drawing, spray sandblasting, laser carving, CNC turning.
Concave-convex micro-structure 13 described in the utility model is preferably but not limited to the wavy shaped configuration described in Fig. 2, waveform
Structure can make to ensure the mechanical property of backboard 10 while 11 surface area increase of bottom plate, and stability is good.
As a further improvement, the outer surface of the concave-convex micro-structure 13 is also coated with micron-sized heat sink material 14, it can
Further promote the heat dissipation performance on 11 surface of bottom plate.The heat sink material 14 has excellent radiating effect to be existing in the prior art
The material of energy, such as carbon nanotube or alpha heat radiation coatings.
As a further improvement, the backboard 10 is preferred but is not limited to metal material, more preferably, the backboard 10 is aluminium
Plate, heat dissipation performance are more excellent.
It is last it should be noted that above example be only to illustrate the embodiment of the present invention technical solution rather than to its into
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, those of ordinary skill in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are changed or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of backlight module, including：
Backboard has bottom plate and the side plate of extension is folded upward at by plate outer side；
Center has cyclic annular platform and the side frame by being extended downwardly on the outside of cyclic annular platform；
The side plate and side frame are affixed accommodating fixing optical element；
It is characterized in that, the upper and lower surface of the bottom plate has concave-convex micro-structure.
2. a kind of backlight module as described in claim 1, which is characterized in that the concave-convex micro-structure is wavy shaped configuration.
3. a kind of backlight module as claimed in claim 1 or 2, which is characterized in that also spray the outer surface of the concave-convex micro-structure
It is coated with micron-sized heat sink material.
4. a kind of backlight module as claimed in claim 3, which is characterized in that the heat sink material is carbon nanotube.
5. a kind of backlight module as described in claim 1, which is characterized in that the backboard is metal material.
6. a kind of backlight module as claimed in claim 5, which is characterized in that the backboard is aluminium sheet.
7. a kind of backlight module as described in claim 1, which is characterized in that the optical element includes being set on side plate interior sides wall
On an at least luminescence component.
8. a kind of backlight module as described in claim 1, which is characterized in that the optical element further includes the reflection on bottom plate
Piece, the light guide plate on reflector plate and the optical diaphragm group on light guide plate.
9. a kind of backlight module as claimed in claim 7, which is characterized in that the luminescence component includes linear LED light bar,
It is fixed on the madial wall of side plate by thermal paste.
10. a kind of backlight module as claimed in claim 8, which is characterized in that the optical diaphragm group is wrapped successively from the bottom up
Include diffusion barrier, lower bright enhancement film and upper bright enhancement film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848621.0U CN207557622U (en) | 2017-12-26 | 2017-12-26 | A kind of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848621.0U CN207557622U (en) | 2017-12-26 | 2017-12-26 | A kind of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557622U true CN207557622U (en) | 2018-06-29 |
Family
ID=62661191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848621.0U Active CN207557622U (en) | 2017-12-26 | 2017-12-26 | A kind of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903688A (en) * | 2019-02-26 | 2019-06-18 | 太龙智显科技（深圳）有限公司 | Outdoor intelligent lamp rod screen and its LED box |
-
2017
- 2017-12-26 CN CN201721848621.0U patent/CN207557622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903688A (en) * | 2019-02-26 | 2019-06-18 | 太龙智显科技（深圳）有限公司 | Outdoor intelligent lamp rod screen and its LED box |
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