CN207008243U - A kind of double-side LED backlight - Google Patents
A kind of double-side LED backlight Download PDFInfo
- Publication number
- CN207008243U CN207008243U CN201720731501.6U CN201720731501U CN207008243U CN 207008243 U CN207008243 U CN 207008243U CN 201720731501 U CN201720731501 U CN 201720731501U CN 207008243 U CN207008243 U CN 207008243U
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- CN
- China
- Prior art keywords
- guide plate
- light guide
- diffusion barrier
- double
- utility
- 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.)
- Expired - Fee Related
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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of double-side LED backlight, including the first light guide plate and the second light guide plate, one end of first light guide plate is provided with the first diffusion barrier, the other end of first light guide plate is provided with the first conductor terminal, the side of first light guide plate is provided with the second light guide plate, the surface of second diffusion barrier is provided with the second annular light-shielding sheet, the other end of second light guide plate is provided with the second conductor terminal, the outer avris of second light guide plate is provided with glue frame, the both ends of glue frame are provided with heat emission hole, and ventilating fan is provided with the inside of heat emission hole.The utility model is provided with the second light guide plate by the side of the first light guide plate, meet the demand of the liquid crystal display to opposite direction, avoid setting up two display screen waste of resource, it is hollow between first light guide plate and the second light guide plate, it is easy to distributing for heat, avoids light guide plate local temperature too high, influence the normal use of light guide plate, ventilating fan accelerates the convection velocity of inner air and outer air, simple and convenient, practical.
Description
Technical field
A kind of backlight is the utility model is related to, more particularly to a kind of double-side LED backlight.
Background technology
Backlight is a kind of light source positioned at liquid crystal display behind, and its illumination effect will directly influence liquid crystal display
Module visual effect.Liquid crystal display does not light in itself, and it shows figure or character is its result to light modulation.
Most of existing backlight is single sided backlight, and in such as show window in the application of display screen, display screen is not only
The passerby in face of outside passageway is needed, while the guest for being also required to face in StoreFront is publicized, and particularly carries out some activities
When, active rule is needed in passerby and shop while showing, at this moment just generally requires that two display screens are relative to be put to meet,
Space-consuming is larger again for waste of resource.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of double-side LED back ofs the body
Light source, double-side can be accomplished, can also accomplish quick heat radiating.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of double-side LED backlight of the utility model, including the first light guide plate and the second light guide plate, described first leads
One end of tabula rasa is provided with the first diffusion barrier, and the surface of first diffusion barrier is provided with first annular light-shielding sheet, and described first
The other end of light guide plate is provided with the first conductor terminal, and the side of first light guide plate is provided with the second light guide plate, and described
One end of two light guide plates is provided with the second diffusion barrier, and the surface of second diffusion barrier is provided with the second annular light-shielding sheet, described
The other end of second light guide plate is provided with the second conductor terminal, and the outer avris of second light guide plate is provided with glue frame, the glue
The both ends of frame are provided with heat emission hole, and ventilating fan is provided with the inside of the heat emission hole.
As a kind of optimal technical scheme of the present utility model, first light guide plate passes through glue frame phase with the second light guide plate
Connection.
It is mutually chimeric with heat emission hole as a kind of optimal technical scheme of the present utility model, the ventilating fan.
As a kind of optimal technical scheme of the present utility model, first conductor terminal, the second conductor terminal with row
Fan is electrically connected with.
As a kind of optimal technical scheme of the present utility model, first light guide plate and the first diffusion barrier pass through double faced adhesive tape
Phase adhesion, second light guide plate pass through double faced adhesive tape phase adhesion with the second diffusion barrier.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model is provided with the second light guide plate by the side of the first light guide plate, meets the liquid crystal to opposite direction
The demand shown, avoid setting up two display screen waste of resource, it is hollow between the first light guide plate and the second light guide plate, it is easy to heat
Distribute, avoid light guide plate local temperature too high, influence the normal use of light guide plate, ventilating fan accelerate inner air and outer air to flow velocity
Degree, it is simple and convenient, it is practical.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is front view of the present utility model；
Fig. 2 is side view of the present utility model；
Fig. 3 is top view of the present utility model；
Fig. 4 is profile of the present utility model；
In figure：1st, the first light guide plate；2nd, the second light guide plate 2；3rd, the first diffusion barrier；4th, first annular light-shielding sheet；5th, first
Conductor terminal；6th, the second diffusion barrier；7th, the second annular light-shielding sheet；8th, the second conductor terminal；9th, glue frame；10th, heat emission hole；11st, arrange
Fan；12nd, double faced adhesive tape.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As Figure 1-4, the utility model provides a kind of double-side LED backlight, including the first light guide plate 1 and second
Light guide plate 2, one end of the first light guide plate 1 are provided with the first diffusion barrier 3, and the surface of the first diffusion barrier 3 is provided with first annular screening
Machine-glazed paper 4, the other end of the first light guide plate 1 are provided with the first conductor terminal 5, and the side of the first light guide plate 1 is provided with the second leaded light
Plate 2, one end of the second light guide plate 2 are provided with the second diffusion barrier 6, and the surface of the second diffusion barrier 6 is provided with the second annular light-shielding sheet
7, the other end of the second light guide plate 2 is provided with the second conductor terminal 8, and the outer avris of the second light guide plate 2 is provided with glue frame 9, glue frame 9
Both ends be provided with heat emission hole 10, the inner side of heat emission hole 10 is provided with ventilating fan 11.
Further, the first light guide plate 1 is connected with the second light guide plate 2 by glue frame 9, is fixed first by glue frame 9 and is led
The light guide plate 2 of tabula rasa 1 and second, the space between the first light guide plate 1 and the second light guide plate 2 is kept, be easy to the first light guide plate 1 and the
The radiating of two light guide plates 2, avoid the first light guide plate 1 and the second light guide plate 2 its normal work of heat affecting excessively.
Ventilating fan 11 is mutually chimeric with heat emission hole 10, and for hot gas when by heat emission hole 10, ventilating fan 11 accelerates air in glue frame 9
Convection velocity between outside air.
First conductor terminal 5, the second conductor terminal 8 are electrically connected with ventilating fan 11, pass through the first conductor terminal 5,
Two conductor terminals 8 provide circuit with the ventilating fan 11 of the one end of the second light guide plate 2 with the first light guide plate 1 respectively and connected, and are easy to power supply
Powered for ventilating fan 11.
First light guide plate 1 is logical by the phase adhesion of double faced adhesive tape 12, the second light guide plate 2 and the second diffusion barrier 6 with the first diffusion barrier 3
The phase adhesion of double faced adhesive tape 12 is crossed, is easy to the first diffusion barrier 3 and the second diffusion barrier 6 to stick in the first light guide plate respectively by double faced adhesive tape 12
1st, on the second light guide plate 2.
Specifically, during the use of light guide plate, power supply is the LED on the first light guide plate 1 by the first conductor terminal 5
Lamp bead and ventilating fan 11 are powered, while power supply is powered also by the second conductor terminal 8 for the LED lamp bead on the second light guide plate 2, by
Light source caused by LED lamp bead on light guide plate is distributed to two kinds of different directions respectively by the first diffusion barrier 3 with the second diffusion barrier 6
Light is radiated on the display module of display screen, meets the needs of different directions screen display, the first light guide plate 1 and the second leaded light
Heat caused by plate 2 distributes by the extraction of ventilating fan 11 from heat emission hole 10, and reducing by first by inner air and outer air convection current leads
Heat between the light guide plate 2 of tabula rasa 1 and second.
The utility model is provided with the second light guide plate 2 by the side of the first light guide plate 1, meets the liquid crystal to opposite direction
The demand of display, avoid setting up two display screen waste of resource, it is hollow between the first light guide plate 1 and the second light guide plate 2, it is easy to heat
Distributing for amount, avoids light guide plate local temperature too high, influences the normal use of light guide plate, and ventilating fan 11 accelerates pair of inner air and outer air
Flow velocity degree, it is simple and convenient, it is practical.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of double-side LED backlight, including the first light guide plate（1）With the second light guide plate（2）, it is characterised in that it is described
First light guide plate（1）One end be provided with the first diffusion barrier（3）, first diffusion barrier（3）Surface be provided with it is first annular
Light-shielding sheet（4）, first light guide plate（1）The other end be provided with the first conductor terminal（5）, first light guide plate（1）'s
Side is provided with the second light guide plate（2）, second light guide plate（2）One end be provided with the second diffusion barrier（6）, described second expands
Dissipate film（6）Surface be provided with the second annular light-shielding sheet（7）, second light guide plate（2）The other end be provided with the second wire
Terminal（8）, second light guide plate（2）Outer avris be provided with glue frame（9）, the glue frame（9）Both ends be provided with radiating
Hole（10）, the heat emission hole（10）Inner side be provided with ventilating fan（11）.
A kind of 2. double-side LED backlight according to claim 1, it is characterised in that first light guide plate（1）With
Second light guide plate（2）Pass through glue frame（9）It is connected.
A kind of 3. double-side LED backlight according to claim 1, it is characterised in that the ventilating fan（11）With dissipating
Hot hole（10）It is mutually chimeric.
A kind of 4. double-side LED backlight according to claim 3, it is characterised in that first conductor terminal
（5）, the second conductor terminal（8）And ventilating fan（11）It is electrically connected with.
A kind of 5. double-side LED backlight according to claim 2, it is characterised in that first light guide plate（1）With
First diffusion barrier（3）Pass through double faced adhesive tape（12）Phase adhesion, second light guide plate（2）With the second diffusion barrier（6）Pass through double faced adhesive tape
（12）Phase adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720731501.6U CN207008243U (en) | 2017-06-22 | 2017-06-22 | A kind of double-side LED backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720731501.6U CN207008243U (en) | 2017-06-22 | 2017-06-22 | A kind of double-side LED backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008243U true CN207008243U (en) | 2018-02-13 |
Family
ID=61448380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720731501.6U Expired - Fee Related CN207008243U (en) | 2017-06-22 | 2017-06-22 | A kind of double-side LED backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008243U (en) |
-
2017
- 2017-06-22 CN CN201720731501.6U patent/CN207008243U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |