CN205782084U - Lamp bar, backlight module and display device - Google Patents
Lamp bar, backlight module and display device Download PDFInfo
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- CN205782084U CN205782084U CN201620587262.7U CN201620587262U CN205782084U CN 205782084 U CN205782084 U CN 205782084U CN 201620587262 U CN201620587262 U CN 201620587262U CN 205782084 U CN205782084 U CN 205782084U
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- lamp bar
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- carbon coating
- sized carbon
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Abstract
This utility model relates to the technical field that display device manufactures, it is provided that a kind of lamp bar, backlight module and display device.The lamp bar that this utility model provides, including substrate and multiple luminescence unit, substrate has two end faces and an installed surface between both ends of the surface and three radiating surfaces, and multiple luminescence units are assemblied on installed surface, wherein, at least one radiating surface is coated with nano-sized carbon coating.It is compared with the prior art, the lamp bar that this utility model provides, by coated with nano carbon coating at least one radiating surface, so, luminescence unit, after the heat produced passes to substrate, by the high-heating radiation performance of carbon atom, converts thermal energy into infrared radio frequency, give off energy, so that lamp bar temperature is substantially reduced.Being compared with the prior art, the service behaviour of backlight module is more stable so that product integral thickness is thinner, to realize the application of ultra-thin type.
Description
Technical field
This utility model relates to the technical field that display device manufactures, and especially relates to a kind of lamp bar, backlight module and shows
Showing device.
Background technology
The slimming of display product, ultrathin typeization has growed in intensity, whether mobile phone, flat board, display or TV,
Science and education product is all pursuing slimming ultrathin type, and the size of LED product is done the biggest at present, and brightness requirement is more and more higher, glass
The transmitance of glass is more and more lower, and brightness needs to do up, and inevitable will increase bigger diaphragm cost and improve driving electricity
Stream, but, electric current necessarily makes power increase thus gives out bigger heat after increasing.
At present, traditional side entering type is all lamp bar to be fixed on thickness be about on the aluminium section bar of 2mm, scattered to realize lamp bar
Heat, but, use aluminium section bar as the radiating element of lamp bar, the thickness of display device can be increased so that display device method is accomplished
The thinnest lighter and handier.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lamp bar, backlight module and display device, it is intended to
Solve in prior art, the defect that lamp bar radiating effect is undesirable.
This utility model provide lamp bar, including substrate and multiple luminescence unit, substrate have two end faces and between
An installed surface between both ends of the surface and three radiating surfaces, multiple described luminescence units are assemblied on described installed surface, wherein, extremely
It is coated with nano-sized carbon coating on a few described radiating surface.
Further, three described radiating surfaces are coated with nano-sized carbon coating.
Further, three described radiating surfaces be respectively adjacent to described installed surface the first radiating surface, be adjacent to described
Installed surface and second radiating surface relative with described first radiating surface and threeth radiating surface relative with described installed surface, described
It is provided with bond plies on 3rd radiating surface.
Further, each described luminescence unit is provided with hole, location, the projection on described installed surface of described substrate
There is the locating dowel corresponding with hole, described location, and described locating dowel matches with hole, described location.
Further, the thickness of described nano-sized carbon coating is 15 to 80 μm.
Further, the nano-sized carbon of described nano-sized carbon coating is selected from CNT, carbon nano-fiber and nano carbon microsphere.
Further, described nano-sized carbon coating has void region.
Further, described luminescence unit is LED luminescence unit.
The backlight module that this utility model provides, including having the light guide plate of incidence surface, wherein, also includes being arranged on described
The above-mentioned lamp bar of incidence surface side.
The display device that this utility model provides, including backboard and above-mentioned backlight module, described lamp bar is double by heat conduction
Face is gluing is connected to described backboard.
Being compared with the prior art, the lamp bar that this utility model provides, by coated with nano carbon at least one radiating surface
Coating, so, heat energy, after the heat produced passes to substrate, by the high-heating radiation performance of carbon atom, is turned by luminescence unit
Change infrared radio frequency into, give off energy, so that lamp bar temperature is substantially reduced.
Being compared with the prior art, the backlight module that this utility model provides, the radiating effect of lamp bar is more preferable so that backlight mould
The service behaviour of group is more stable.
It is compared with the prior art, the display device that this utility model provides, product integral thickness can be made thinner, super to realize
The application of thin type.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the lamp bar that this utility model embodiment provides；
Fig. 2 is the structural representation of the lamp bar that this utility model embodiment provides；
Fig. 3 is the structural representation of the display device that this utility model embodiment provides.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, with
Lower combination drawings and Examples, are further elaborated to this utility model.Should be appreciated that concrete reality described herein
Execute example only in order to explain this utility model, be not used to limit this utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
As shown in Figures 1 to 3, the preferred embodiment provided for this utility model.
The lamp bar 11 that the present embodiment provides, including substrate 12 and multiple luminescence unit 13, substrate 12 has two end faces 121
And the installed surface 122 between both ends of the surface 121 and three radiating surfaces 123,124,125, multiple luminescence units 13 fill
Fit on installed surface 122, wherein, at least one radiating surface 123,124,125 is coated with nano-sized carbon coating 126.
Above-mentioned lamp bar 11, by coated with nano carbon coating 126 at least one radiating surface 123,124,125, so,
Luminescence unit 13, after the heat produced passes to substrate 12, by the high-heating radiation performance of carbon atom, converts thermal energy into red
Outer radio frequency, gives off energy, so that lamp bar 11 temperature is substantially reduced.
For sake of convenience, hereinafter alleged " left " " right " " on " left and right, the upper and lower of D score and accompanying drawing itself is to one
Cause, but structure of the present utility model is not played restriction effect.
Seeing Fig. 1 to 3, substrate 12 is generally rectangular, and it has two end faces 121 and between both ends of the surface 121
An installed surface 122 (installed surface 122 is referred to as in front below) and three radiating surfaces 123,124,125, wherein, three heat radiations
Face 123,124,125 is respectively adjacent to the first radiating surface 123 of installed surface 122, is adjacent to installed surface 122 and dispels the heat with first
(back side is referred to as the 3rd below for the second radiating surface 124 that face 123 is relative and threeth radiating surface 125 relative with installed surface 122
Radiating surface 125).In the present embodiment, three radiating surfaces 123,124,125 are coated with nano-sized carbon coating 126, wherein, are somebody's turn to do
The nano-sized carbon of nano-sized carbon coating 126 is selected from CNT, carbon nano-fiber and nano carbon microsphere.The thickness of nano-sized carbon coating 126 is big
It is about 15 to 80 μm, preferably 50 μm.So, luminescence unit 13 is after the heat produced passes to substrate 12, by carbon atom
High-heating radiation performance, converts thermal energy into infrared radio frequency, gives off energy, so that lamp bar 11 temperature is substantially reduced.
It is of course also possible to only first heat radiation, second heat radiation or the 3rd radiating surface 125 on coated with nano carbon coating 126；Or
Person, only at the first and second heat radiations, the first and the 3rd coated with nano carbon coating on radiating surface the 125, second and the 3rd radiating surface 125
126。
As optimizing further, nano-sized carbon coating 126 has a void region (not shown), so, and can be according to luminescence list
The power of unit 13, selects the size of void region, thus reduces the coated weight of nano-carbon material, is ensureing radiating efficiency
On the premise of, cost-effective.It should be noted that void region can be rectangle, circle, ellipse or other arbitrary shapes
Shape.
As optimizing further, the 3rd radiating surface 125 of lamp article 11 is provided with bond plies 10, for by lamp
Bar 11 is fixed, and bond plies 10 is positioned at outside the nano-sized carbon coating 126 of the 3rd radiating surface 125, so, is positioned at the 3rd radiating surface
The energy that the nano-sized carbon coating 126 of 125 gives off can be passed by bond plies 10, to improve the heat radiation of lamp bar 11
Effect.
As in figure 2 it is shown, luminescence unit 13 is pasted onto on installed surface 122 by glue, luminescence unit 13 is but is not limited to
LED luminescence unit, the as can be seen from Figure 2 concrete structure of luminescence unit 13, luminescence unit 13 includes LED grain 131, packaging plastic
132 and fluid sealant 133, LED grain 131 is encapsulated by this packaging plastic 132 and fluid sealant 133.
See Fig. 2, as optimizing further, each luminescence unit 13 is provided with hole, location (not shown), substrate
12 are convexly equipped with the locating dowel 127 corresponding with positioning hole on installed surface 122, and the shape of locating dowel 127 matches with hole, location.
This way it is possible to avoid luminescence unit 13 and substrate 12 relative movement, and the Fast Installation of luminescence unit 13 can be realized.
As it is shown on figure 3, the backlight module 1 that the present embodiment provides is side-edge type backlight, it includes blooming piece 14, leaded light
Plate 15, reflector plate 16 and above-mentioned lamp bar 11, light guide plate 15 has and is positioned at the incidence surface 15a on (right side in diagram), lamp on the right side of it
Bar 11 interval is arranged on the right side of this light guide plate 15, and installed surface 122 is the most right with incidence surface 15a.The heat of lamp bar 11 by
The high-heating radiation performance of carbon atom, converts thermal energy into infrared radio frequency, gives off energy, so that lamp bar 11 temperature drops significantly
Low.
As it is shown on figure 3, the display device 100 that the present embodiment provides, the backboard 3 being connected with front frame 2 including front frame 2 and setting
Put center 4 between, center 4 is provided with liquid crystal panel 5, between liquid crystal panel 5 and backboard 3, be provided with the above-mentioned back of the body
Light module 1.Wherein, the 3rd radiating surface 125 of lamp article 11 is provided with bond plies 10, so that lamp bar 11 is bonded and fixed to the back of the body
On plate 3, in the present embodiment, bond plies 10 is positioned at outside the nano-sized carbon coating 126 of the 3rd radiating surface 125, so, is positioned at
The energy that the nano-sized carbon coating 126 of the 3rd radiating surface 125 gives off can be transferred on backboard 3 by bond plies 10, then
It is transferred to the outside of display device 100 by backboard 3, carries out the knot dispelled the heat compared to traditional fin made by aluminium section bar
Structure, there has been bigger lifting in heat dispersion side, it addition, the thickness of complete machine is substantially reduced because eliminating fin, and can
Make product integral thickness thinner, to realize the application of ultra-thin type.
Below in conjunction with the accompanying drawings 1 to 3, the manufacture method of the lamp bar 11 that this utility model embodiment provides is elaborated:
Thering is provided a substrate 12, substrate 12 has two end faces 121 and an installed surface between both ends of the surface 121
122 and three radiating surfaces 123,124,125, nano-carbon material is uniformly coated on the radiating surface 123,124,125 of substrate 12；
Baking-curing 10 minutes under the conditions of 180 DEG C, are subsequently placed in air natural cooling to solidify to form nano-sized carbon coating 126.
Below in conjunction with experiment parameter table, the radiating effect of the lamp bar 11 that this utility model embodiment provides is made an explanation.
Under the experiment condition set, test environment is constant temperature seal box, to conventional aluminum substrate lamp bar and coating nano-sized carbon
Lamp bar is tested, and test uses 50mm*50mm material, uses measuring center point.Concrete test parameters as shown in the table (under
Temperature unit in table is DEG C):
| Testing time section | Conventional aluminum substrate lamp bar temperature | Coating nano-sized carbon lamp bar temperature |
| 15min | 51.6 | 50 |
| 30min | 55.2 | 52.4 |
| 1h | 60 | 56 |
| 2h | 63.2 | 57.4 |
| 3h | 67 | 57.9 |
| 4h | 68.5 | 58.3 |
From data in test table, the radiating effect of conventional aluminum substrate lamp bar is undesirable；For coating nano-sized carbon lamp bar,
Its radiating effect is substantially better than conventional aluminum substrate lamp bar.This also confirms, and can pay no attention to the radiating effect of light source in solving device
The problem thought.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any amendment, equivalent or the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. a lamp bar, including substrate and multiple luminescence unit, substrate have two end faces and between both ends of the surface one
Individual installed surface and three radiating surfaces, multiple described luminescence units are assemblied on described installed surface, it is characterised in that at least one institute
State and on radiating surface, be coated with nano-sized carbon coating.
Lamp bar the most according to claim 1, it is characterised in that be coated with nano-sized carbon coating on three described radiating surfaces.
Lamp bar the most according to claim 1, it is characterised in that three described radiating surfaces are respectively adjacent to described installed surface
The first radiating surface, be adjacent to described installed surface and second radiating surface relative with described first radiating surface and with described installation
The 3rd radiating surface that face is relative, described 3rd radiating surface is provided with bond plies.
Lamp bar the most according to claim 1, it is characterised in that be provided with hole, location, institute on each described luminescence unit
State substrate on described installed surface, be convexly equipped with the locating dowel corresponding with hole, described location, and described locating dowel and hole, described location phase
Coupling.
Lamp bar the most according to any one of claim 1 to 4, it is characterised in that the thickness of described nano-sized carbon coating is 15
To 80 μm.
Lamp bar the most according to any one of claim 1 to 4, it is characterised in that the nano-sized carbon choosing of described nano-sized carbon coating
From CNT, carbon nano-fiber and nano carbon microsphere.
Lamp bar the most according to any one of claim 1 to 4, it is characterised in that described nano-sized carbon coating has vacancy section
Territory.
Lamp bar the most according to any one of claim 1 to 4, it is characterised in that described luminescence unit is LED luminescence list
Unit.
9. a backlight module, including the light guide plate with incidence surface, it is characterised in that also include being arranged on described incidence surface one
The lamp bar as according to any one of claim 1 to 8 of side.
10. a display device, it is characterised in that include backboard and backlight module as claimed in claim 9, described lamp bar leads to
Cross bond plies and be adhered to described backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587262.7U CN205782084U (en) | 2016-06-15 | 2016-06-15 | Lamp bar, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587262.7U CN205782084U (en) | 2016-06-15 | 2016-06-15 | Lamp bar, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205782084U true CN205782084U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620587262.7U Active CN205782084U (en) | 2016-06-15 | 2016-06-15 | Lamp bar, backlight module and display device |
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| Country | Link |
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| CN (1) | CN205782084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927869A (en) * | 2016-06-15 | 2016-09-07 | 重庆惠科金扬科技有限公司 | Light bar, backlight module and display device |
-
2016
- 2016-06-15 CN CN201620587262.7U patent/CN205782084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927869A (en) * | 2016-06-15 | 2016-09-07 | 重庆惠科金扬科技有限公司 | Light bar, backlight module and display device |
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