CN108227303A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN108227303A CN108227303A CN201810036699.5A CN201810036699A CN108227303A CN 108227303 A CN108227303 A CN 108227303A CN 201810036699 A CN201810036699 A CN 201810036699A CN 108227303 A CN108227303 A CN 108227303A
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- CN
- China
- Prior art keywords
- extension
- backlight module
- void region
- guide plate
- light guide
- 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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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Abstract
The present invention provides a kind of backlight module, including the light guide plate, backboard and aluminium extruded being stacked, the aluminium extruded includes side corresponding with the light guide plate incidence surface and the extension set back to the light guide plate light-emitting surface, the side is connected to a side of the extension, the extension includes with the first side of the side homonymy and the opposite second side far from the first side, void region is offered in the extension, the void region penetrates through the extension along the first side to the second side direction.A kind of backlight module provided by the invention by setting void region, expands the surface area that aluminium extruded is contacted with air, air can carry out convection current in aluminium extruded outer surface and void region, improve the heat-sinking capability to backlight module.The present invention also provides a kind of display devices.
Description
Technical field
The invention belongs to technical field of liquid crystal display more particularly to a kind of backlight module and display devices.
Background technology
With the development of LCD technology, liquid crystal display device at present, such as the important development of TV, display etc. become
Gesture is lightening, since the thickness of display device is limited so that side entrance back technology becomes the technology of main development.Side enters
The back plate edges for being mainly characterized by illuminating source and being set to liquid crystal display panel rear of formula backlight technology, illuminating source is from light guide plate one
The incidence surface of side enters light guide plate, is projected after reflection and diffusion from light guide plate light-emitting surface, then via optical diaphragm group to be formed
Area source is supplied to liquid crystal display panel.The illuminating source quantity of side entrance back technology is more and concentrates so that illuminating source generated
Heat increases, therefore needs timely to radiate, to prevent the excessive reduced lifetime for causing backlight module of heat.
Common heat dissipation solution is to conduct the heat that illuminating source generates to the aluminium extruded set on backboard, passes through aluminium
Crowded larger outer surface is radiated, but the limited area of the outer surface for heat dissipation of traditional aluminium extruded, is not enough to send out
The heat of radiant is effectively radiated.
Invention content
The object of the present invention is to provide a kind of backlight module, to solve the aluminium extruded heat-sinking capability deficiency present in the prior art
The problem of.
Purpose to realize the present invention, the present invention provides following technical solutions：
In a first aspect, the present invention provides a kind of backlight module, it is described including the light guide plate, backboard and aluminium extruded being stacked
Aluminium extruded includes side corresponding with the light guide plate incidence surface and the extension set back to the light guide plate light-emitting surface, the side
Portion is connected to a side of the extension, and the extension includes with the first side of the side homonymy and far from described the
The opposite second side of one side, offers void region in the extension, and the void region is along the first side
The extension is penetrated through to the second side direction.
In the first possible realization method of first aspect, the extension offers vacancy section described at least two
Domain, the extending direction of void region is identical described at least two.
With reference to first aspect and the first possible realization method of first aspect, second in first aspect are possible
In realization method, the extension includes the third side with the backplane and the 4th side back to the third side
Face, the third side are first direction to the extending direction of the 4th side, and void region is prolonged described described at least two
It is arranged at intervals in extending portion along the first direction.
With reference to first aspect and the first or second of possible realization method of first aspect, in the third of first aspect
In kind possible realization method, the extension includes opposite the 5th side and the 6th side, the 5th side and described
6th side is connected between the first side and the second side, extension of the 5th side to the 6th side
Direction is second direction, and void region described at least two is in the extension along the 5th side to the 6th side
Direction is arranged at intervals.
In the 4th kind of possible realization method of first aspect, the extending direction of the void region and the light guide plate
Extension plane it is parallel.
In the 5th kind of possible realization method of first aspect, the size of the void region along the first side to
The second side is gradually reduced or gradually expands.
In the 6th kind of possible realization method of first aspect, the backlight module further includes at least one air deflector, institute
It states air deflector and includes connecting portion and ventilation unit, the connecting portion connect with the second side, and the ventilation unit is to the connection
The streamlined extension in portion offers in the air deflector and penetrates through the ventilation unit to the wind chamber of the connecting portion, and the wind chamber exists
The ventilation unit forms ventilation opening, the void region unicom of the wind chamber and the extension, and the air deflector is used to add
Flowing of the fast air in the void region.
With reference to first aspect and the 6th kind of possible realization method of first aspect, the 7th kind in first aspect are possible
In realization method, the air deflector is gradually flared in ventilation unit position necking to the connecting portion, in the ventilation unit
Fan is provided with, the fan is used to that air to be accelerated to flow in the wind intracavitary.
With reference to first aspect and the 6th kind of possible realization method of first aspect, the 8th kind in first aspect are possible
In realization method, the ventilation unit is provided with mesh, and the mesh covers the ventilation opening.
Second aspect, the present invention also provides a kind of display device, including the backlight mould as described in any in first aspect
Group.
Beneficial effects of the present invention：
A kind of backlight module provided by the invention by setting void region, expands the surface that aluminium extruded is contacted with air
Product, air can carry out convection current in aluminium extruded outer surface and void region, improve the heat-sinking capability to backlight module.
Description of the drawings
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution of the prior art
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 present invention, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the dimensional structure diagram of the backlight module of one embodiment of the present invention；
Fig. 2 is schematic cross-sectional views of the Fig. 1 along E-E directions；
Fig. 3 is the enlarged structure schematic diagram at A in Fig. 1；
Fig. 4 is the dimensional structure diagram of the aluminium extruded of one embodiment of the present invention；
Fig. 5 is a kind of floor map of the aluminium extruded of embodiment；
Fig. 6 is the floor map of the aluminium extruded of another embodiment；
Fig. 7 is a kind of schematic cross-sectional view of the aluminium extruded of embodiment；
Fig. 8 is a kind of structure diagram of the air deflector of embodiment；
Fig. 9 is the schematic cross-sectional view of the air deflector of Fig. 8；
Figure 10 is a kind of structure diagram of the mesh of embodiment.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only the reality of a part of embodiment of the present invention rather than whole
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of display device, and display device for example can be TV, display, smart mobile phone screen, move
Screen of dynamic hand-held computer etc., the heat that back light is sent out including backlight module, can effectively be radiated, make the back of the body
The running temperature of optical mode group is in controllable range, to ensure the reliability service of display device.
It please refers to Fig.1 to Fig.4, Fig. 1 is the dimensional structure diagram of the backlight module of one embodiment of the present invention, Fig. 2
It is schematic cross-sectional views of the Fig. 1 along E-E directions, Fig. 3 is the enlarged structure schematic diagram at A in Fig. 1, and Fig. 4 is of the invention a kind of
The dimensional structure diagram of the aluminium extruded of embodiment.One embodiment of the present invention provides a kind of backlight module, is set including being laminated
Light guide plate 100, backboard 200 and the aluminium extruded 40 put, the aluminium extruded 40 include side 41 corresponding with 100 incidence surface of light guide plate
With the extension 42 set back to the light guide plate light-emitting surface, the side 41 is connected to a side of the extension 42, institute
It states extension 42 and includes the first side 421 with 41 homonymy of side and opposite second far from the first side 421
Side 422, offers void region 401 in the extension 42, and the void region 401 is along the first side 421 to institute
It states 422 direction of second side and penetrates through the extension 42.
In present embodiment, by setting void region 401, the surface area that aluminium extruded 40 is contacted with air, air are expanded
Convection current can be carried out in aluminium extruded outer surface and void region 401, improves the heat-sinking capability to backlight module.
Illuminating part 300 is accommodated between 100 incidence surface of the side 41 and the light guide plate, further, illuminating part 300
The side 41 of aluminium extruded 40 is set to, illuminating part 300 further includes pedestal 301, and pedestal 301 is connect with side 41, and illuminating part 300 is set
In on pedestal 301.Further, illuminating part 300 is multiple LED in the incidence surface setting of 301 upper edge light guide plate 100 of pedestal
Lamp, multiple LED light can equally array arrange on pedestal, and light guide plate 100 is injected to provide uniform light.Illuminating part
300 can also be fluorescent tube or lamp bar.Illuminating part 300 is directly connect by pedestal 301 with the side of aluminium extruded 40 41, can be by heat
Aluminium extruded 40 maximumlly is passed to, so as to avoid passing to the excessive heat of light guide plate 100 and backboard 200.
Backboard 200 is set between light guide plate 100 and aluminium extruded 100, and covers the surface of light guide plate 100, and effect one is
For separating the extension 42 of aluminium extruded 40 and light guide plate 100, the heat of aluminium extruded 40 is prevented to be transferred to light guide plate by extension 42
100, second is that backboard 200 is used for the light of reflection light plate 100, light is made to be projected towards 100 light-emitting surface of light guide plate.
In a kind of embodiment, please refer to Fig.2, Fig. 5 and Fig. 6, Fig. 5 be a kind of embodiment aluminium extruded 40 plane signal
Figure, Fig. 6 is the floor map of the aluminium extruded 40 of another embodiment.The extension 42 offers hollow out described at least two
Region 401, the extending direction of void region 401 is identical described at least two.For convenience of description, show that first engraves in Fig. 5 and Fig. 6
Empty region 401, the second void region 402 and third void region 403, above-mentioned multiple void regions and void region 401
Structure is similar, and in description, at least two void region is represented with label 401.It should be understood that the quantity of void region 401
It can be 2 and 2 or more, and be not limited to 3 that label in Fig. 5 and Fig. 6 marks.
By setting at least two void region 401, and so that the extending direction of at least two void region 401 is identical, into
One step expands the area that aluminium extruded 40 is contacted with air, makes the convection current enhancing of air in the same direction, enhances heat dissipation effect.
In a kind of embodiment, please continue to refer to Fig. 2 and Fig. 5, the extension 42 includes what is be bonded with the backboard 200
Third side 423 and the 4th side 424 back to the third side 423, the third side 423 is to the 4th side
424 extending direction is first direction X, and void region 401 described at least two is in the extension 42 along the first direction
X is arranged at intervals.By the way that the spaced at least two void regions 401 of X along the first direction are arranged in extension 42, make at least 2
X in a first direction inside extension 42 is divided into multilayered structure so that adjacent two by a void region 401 on thickness direction
Include the radiating surface of one layer of extension 42 between a void region 401, that is to say, that X in a first direction, i.e. thickness direction
On, extension 42 has the opposite upper and lower side of the inside of the 4th side 424 and encirclement void region 401 can be with air
Heat loss through convection is carried out, and the maximum face that extension 42 is contacted with air is the face on thickness direction so that have on thickness direction
There are multiple faces for heat dissipation, therefore, the setting method of present embodiment can further enhance the heat dissipation effect of air.
In a kind of embodiment, Fig. 5 and Fig. 6 are please referred to, the extension 42 includes the 5th opposite side 425 and the 6th
Side 426, the 5th side 425 and the 6th side 426 are connected to the first side 421 and the second side
Between 422, extending direction from the 5th side 425 to the 6th side 426 for second direction Y, hollow out described at least two
Region 401 is arranged at intervals in the extension 42 along the second direction Y.
As shown in Figure 5, void region 401 is arranged at intervals outer except X in a first direction, i.e. thickness direction higher slice, the
Two direction Y, i.e., be set in distance in width direction, is preferably equidistantly arranged at intervals so that being included at least in extension 42 has 1
The knee wall 428 of a through-thickness extension, since the size of the thickness of extension 42 is far smaller than the size of width, for ease of
Processing, the extended distance of void region 401 in the direction of the width is unsuitable long, otherwise will appear processing difficulties and comprising engraving
It can be bent between the levels of empty region 401 due to gravity, extension be caused to be bent, it is impossible to be bonded backboard well
200, therefore, spaced void region 401 is set, the rigidity of extension 42 is improved by knee wall 428, keeps extension
The stable structure in portion 42, meanwhile, knee wall 428 also has the area contacted with air, can radiate.
As shown in Figure 6, it is similar with the structure of the void region 401 shown in Fig. 5, unlike, at least two vacancy section
Y is arranged at intervals in a second direction in domain 401, is preferably equidistantly arranged at intervals, but in the first direction X of extension 42, i.e. thickness
It is set on direction without layering, the rigidity that can ensure extension 42 is arranged such, will not bend, and with more
A radiating surface can effectively radiate.
It in a kind of embodiment, please refers to Fig.2 and Fig. 5, extending direction and the light guide plate of the void region 401
100 extension plane is parallel.By the extending direction for setting void region 401 so that extension 42 be bonded with backboard 200
Three sides 423 are always consistent to the distance between a nearest void region 401, that is to say, that extension 42 passes to
The temperature of backboard 200 is consistent in each position of extension 42, so that backboard 200 and light guide plate 100 are heated evenly,
Local temperature difference is small, is conducive to improve the service life of backboard 200 and light guide plate 100.
In a kind of embodiment, Fig. 7 is please referred to, Fig. 7 is a kind of schematic cross-sectional view of the aluminium extruded of embodiment.It is described
The size of void region 401 is gradually reduced along the first side 421 to the second side 422.In another embodiment,
The size of the void region 401 gradually expands along the first side 421 to the second side 422.So set, according to
Bernoulli equation so that flowing velocity of the air in void region 401 is consistent compared to the size uniform in void region 401
Situation when faster so that the heat that air is taken away is more, be conducive to strengthen heat dissipation effect.
It in a kind of embodiment, please refers to Fig.1, Fig. 2, Fig. 8 and Fig. 9, Fig. 8 is a kind of structure of the air deflector of embodiment
Schematic diagram, Fig. 9 are the schematic cross-sectional views of the air deflector of Fig. 8.The backlight module further includes at least one air deflector 51, institute
It states air deflector 51 and includes connecting portion 513 and ventilation unit 512, the connecting portion 513 is connect with the second side 422, described logical
Wind portion 512 offers the perforation ventilation unit 512 to institute to the 513 streamlined extension of connecting portion in the air deflector 51
The wind chamber 510 of connecting portion 513 is stated, the wind chamber 510 forms ventilation opening 514, the wind chamber 510 and institute in the ventilation unit 512
401 unicom of the void region of extension 42 is stated, the air deflector 51 is used to accelerate air in the void region 401
Flowing.
In present embodiment, by setting ventilation unit 512 to the structure of 513 streamlined extension of connecting portion so that wind chamber
Air in 510 can smoothly flow, and not have obstruction so that air deflector 51 can accelerate air to flow.As shown in Figure 1,
Air deflector can be the first air deflector 51 and the second air deflector 52, i.e. Fig. 1 shows that backlight module includes the side of 2 air deflectors
Case, it is possible to understand that, air deflector can be 1, or 2 and more than, represented for ease of description, unified using label 51
Air deflector.Air deflector 51 is set as being stacked with backboard 200, and the extension plane of air deflector 51 can prolong with deflector 100
It is parallel to be stretched flat face.The material of air deflector 51 can be identical with the material of aluminium extruded 40, for example, can be aluminum or aluminum alloy, air deflector 51
Material can also select other, such as heat-resisting nonmetallic materials.
In a kind of embodiment, the air deflector 51 is in the 512 position necking of ventilation unit, and gradually to the connecting portion
513 are flared, and are provided with fan 60 in the ventilation unit 512, the fan 60 is used to that air to be accelerated to flow in the wind chamber 510
It is dynamic.By setting the ventilation unit 512 of necking, the air in the region for making the blade of fan 60 inswept is used in wind chamber 510
Flowing improves the airflow effects of fan 60.It dries it should be appreciated that fan 60 can rotate forward so as to which aweather chamber 510 is interior so that wind
Void region 401 is flowed to by wind chamber 510, is blown out from the opening of the void region 401 of 42 first side 421 of extension, it will be hot
Amount is scattered and disappeared in air；Fan 60 can also invert, the air draught out of wind chamber 510, and air at this time flow direction is air from extension
The opening of the void region 401 of 42 first side 421 enters, through passing through fan 60 behind void region 401 and wind chamber 510
Blade is blown out from the ventilation opening 514 of ventilation unit 512.
Further, backlight module can be with set temperature sensor (not shown) and the control being electrically connected with fan 60
Product (not shown), the temperature of temperature sensor detective to backlight module are simultaneously transferred to control piece, and control piece passes through temperature
The temperature of sensor feedback adjusts the operating status of fan 60, such as when the temperature of temperature sensor feedback is in normal temperature
When, control fan 60 keeps present rotating speed uniform rotation, when the temperature increases, fan 60 can be controlled to improve rotating speed, to increase
The flowing velocity of big air, further improves heat dissipation effect, can change adjustment wind in real time according to the real time temperature of backlight module
The rotating speed of fan 60, so as to effectively be radiated to backlight module in real time.
In a kind of embodiment, Fig. 9 and Figure 10 are please referred to, Figure 10 is a kind of structural representation of the mesh of embodiment
Figure.The ventilation unit 512 is provided with mesh 70, and the mesh 70 covers the ventilation opening 514.Mesh 70 is used to prevent
Foreign matter into air-inlet chamber 510 and void region 401 and block air flowing channel.Include crisscross walk in mesh 70
Line, specific structure do not limit, and gap need to be only formed between internal cabling and is flowed for air.
Above disclosed be only a kind of better embodiment of the present invention, cannot limit the present invention's with this certainly
Interest field, one of ordinary skill in the art will appreciate that realizing all or part of flow of the above embodiment, and Yi Benfa
The equivalent variations that bright claim is made still fall within and invent covered range.
Claims (10)
1. a kind of backlight module, which is characterized in that including the light guide plate, backboard and aluminium extruded being stacked, the aluminium extruded include with
The corresponding side of the light guide plate incidence surface and the extension set back to the light guide plate light-emitting surface, the side is connected to institute
A side of extension is stated, the extension includes with the first side of the side homonymy and the phase far from the first side
The second side of the back of the body, offers void region in the extension, and the void region is along the first side to described second
Side surface direction penetrates through the extension.
2. backlight module as described in claim 1, which is characterized in that the extension offers vacancy section described at least two
Domain, the extending direction of void region is identical described at least two.
3. backlight module as claimed in claim 2, which is characterized in that the extension includes the third with the backplane
Side and the 4th side back to the third side, extending direction from the third side to the 4th side be first party
To void region described at least two is arranged at intervals in the extension along the first direction.
4. backlight module as claimed in claim 2 or claim 3, which is characterized in that the extension include the 5th opposite side and
6th side, the 5th side and the 6th side are connected between the first side and the second side, described
5th side is second direction to the extending direction of the 6th side, and void region is in the extension described at least two
It is arranged at intervals along the second direction.
5. backlight module as described in claim 1, which is characterized in that the extending direction of the void region and the light guide plate
Extension plane it is parallel.
6. backlight module as described in claim 1, which is characterized in that the size of the void region along the first side to
The second side is gradually reduced or gradually expands.
7. backlight module as described in claim 1, which is characterized in that the backlight module further includes at least one air deflector, institute
It states air deflector and includes connecting portion and ventilation unit, the connecting portion connect with the second side, and the ventilation unit is to the connection
The streamlined extension in portion offers in the air deflector and penetrates through the ventilation unit to the wind chamber of the connecting portion, and the wind chamber exists
The ventilation unit forms ventilation opening, the void region unicom of the wind chamber and the extension, and the air deflector is used to add
Flowing of the fast air in the void region.
8. backlight module as claimed in claim 7, which is characterized in that the air deflector in ventilation unit position necking, and
It is gradually flared to the connecting portion, fan is provided in the ventilation unit, the fan is used to accelerate air in the wind intracavitary
Flowing.
9. backlight module as claimed in claim 7, which is characterized in that the ventilation unit is provided with mesh, the mesh
Cover the ventilation opening.
10. a kind of display device, which is characterized in that including the backlight module as described in claim 1 to 9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036699.5A CN108227303B (en) | 2018-01-15 | 2018-01-15 | Backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810036699.5A CN108227303B (en) | 2018-01-15 | 2018-01-15 | Backlight module and display device |
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| CN108227303A true CN108227303A (en) | 2018-06-29 |
| CN108227303B CN108227303B (en) | 2020-11-06 |
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| CN201810036699.5A Active CN108227303B (en) | 2018-01-15 | 2018-01-15 | Backlight module and display device |
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| US20170168226A1 (en) * | 2015-12-10 | 2017-06-15 | Sti Co., Ltd. | Heat dissipating case for liquid crystal display panel |
| CN206805077U (en) * | 2017-06-15 | 2017-12-26 | 深圳Tcl新技术有限公司 | Side entrance back module and liquid crystal display device |
| CN107238977A (en) * | 2017-08-07 | 2017-10-10 | 河源市乐源智能科技有限公司 | A kind of LCDs of high efficiency and heat radiation |
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