CN205579334U - Backlight unit and display - Google Patents
Backlight unit and display Download PDFInfo
- Publication number
- CN205579334U CN205579334U CN201620371537.3U CN201620371537U CN205579334U CN 205579334 U CN205579334 U CN 205579334U CN 201620371537 U CN201620371537 U CN 201620371537U CN 205579334 U CN205579334 U CN 205579334U
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- light source
- fin
- backlight module
- glue frame
- guide plate
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Abstract
The embodiment of the utility model discloses backlight unit and display, this backlight unit includes: glue frame, light source, light guide plate, reflector plate and fin, wherein, the light source with the light guide plate is fixed accepts glue in the frame, the light guide plate is located the reflector plate top, the light guide plate includes at least one income light side, the light -emitting of light source side with the relative setting of income light side of light guide plate, the light source is located glue the light source installation department of frame, the fin is located the light source below. The embodiment of the utility model provides a through setting up the fin in the below at the light source, when the produced heat of light source when between light source and the fin heat convection taking place, do benefit to fin efficient heat dispersion, distribute away the heat fast, solved the present problem that the backlight unit radiating efficiency is low, realized the purpose that improves backlight unit's radiating efficiency, reduced the temperature of backlight unit light source department, reduced the risk of reflector plate fold.
Description
Technical field
This utility model embodiment relates to back light model setting technology, particularly relates to a kind of backlight module and display.
Background technology
At present, along with more and more higher to the requirement of backlight module brightness, luminous single used in backlight module
The quantity of unit also gets more and more.
In existing backlight module, glue frame, light guide plate, reflector plate and the flexible wires electrically connected with luminescence unit
Road plate surrounds a closed space, and luminescence unit is arranged in this closed space.Operationally, luminescence unit
The amount of heat produced cannot be derived in time by the parts of backlight module itself so that in this region, temperature is relatively
High.Now, owing to there is thermal convection current between luminescence unit and reflector plate, reflector plate is heated and fold easily occurs,
Carry out affecting backlight module performance.As can be seen here, backlight module after the radiating efficiency of backlight module will become
The key that performance is good and bad.
Utility model content
This utility model provides a kind of backlight module and display floater, to realize improving the heat radiation of backlight module
Efficiency.
First aspect, this utility model embodiment provides a kind of backlight module, this backlight module, including:
Glue frame, light source, light guide plate, reflector plate and fin；
Wherein, described light source and described light guide plate are fixed and are housed in described glue frame；
Described light guide plate is positioned at above described reflector plate；Described light guide plate includes at least one incident side, described
The light emission side of light source is oppositely arranged with the incident side of described light guide plate；Described light source is positioned at the light source of described glue frame
Installation portion；Described fin is positioned at below described light source.
Second aspect, this utility model embodiment additionally provides a kind of display, and this display, including display
Panel, and any one backlight module provided by the utility model, and described backlight module is with described
Display floater is oppositely arranged, and provides backlight.
This utility model embodiment sets up fin by the lower section at light source, when produced by light source, heat exists
When there is thermal convection current between light source and fin, beneficially the efficient heat dispersion of fin, quickly dissipates heat
Send out, solve the problem that existing backlight module radiating efficiency is low, it is achieved that improve dissipating of backlight module
The thermal efficiency, reduces the temperature at backlight module light source, reduces the risk of reflector plate fold.
Accompanying drawing explanation
The plan structure schematic diagram of a kind of backlight module that Fig. 1 provides for this utility model embodiment:
Fig. 2 is a kind of cross-sectional view of A1-A2 along Fig. 1；
The cross-sectional view of another backlight module that Fig. 3 provides for this utility model embodiment；
The cross-sectional view of another backlight module that Fig. 4 provides for this utility model embodiment；
The plan structure schematic diagram of another backlight module that Fig. 5 provides for this utility model embodiment；
Fig. 6 is the cross-sectional view of B1-B2 along Fig. 5；
The structural representation of another backlight module that Fig. 7 provides for this utility model embodiment；
The structural representation of a kind of display that Fig. 8 provides for this utility model embodiment.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that
Specific embodiment described herein is used only for explaining this utility model, rather than to restriction of the present utility model.
It also should be noted that, for the ease of describing, accompanying drawing illustrate only the portion relevant to this utility model
Divide rather than entire infrastructure.
The plan structure schematic diagram of a kind of backlight module that Fig. 1 provides for this utility model embodiment.Fig. 2 is
The cross-sectional view of A1-A2 along Fig. 1.This backlight module includes: glue frame 1, light source 2, leaded light
Plate 3, reflector plate 4 and fin 5.Wherein, light source 2 and light guide plate 3 are fixed and are housed in glue frame 1.
Light guide plate 3 is positioned at above reflector plate 4.Light guide plate 3 includes at least one incident side, the light emission side of light source 2
It is oppositely arranged with the incident side of light guide plate 3.Light source 2 is positioned at the light resource installing section of glue frame 1.Fin 5
Below light source 2.Light resource installing section refers to house in glue frame 1 position of light source 2.
When specific design, can according to the actual requirements this fin 5 be arranged at below glue frame 1, as
Shown in Fig. 2, fin 5 is directly against on the bottom surface overlaying on glue frame 1.In other embodiments, it is also possible to
Directly fin 5 and reflector plate 4 are housed in glue frame, as it is shown on figure 3, fin 5 and reflection
Sheet 4 is positioned at glue frame 1.
Multiple fixed form is specifically had when fin 5 is fixed.Exemplarily, as in figure 2 it is shown,
Fin 5 is positioned over the lower section of glue frame 1, is connected with the bottom surface of glue frame 1.As shown in Figure 3, it is also possible to
One end of fin 5 is connected with the sidewall of glue frame 1.Fin 5 and glue frame 1 can by double faced adhesive tape or
The mode of person's hot pressing is attached.
In order to improve the radiating efficiency of backlight module, it is preferred that the first end of the fin 5 in the present embodiment
Docking with reflector plate 4, the second end of fin 5 is fixing with glue frame 1 to be connected.As shown in Figure 4, whole light
Fin 5 it is provided with below source 2.
It should be noted that fin 5 mentioned in the present embodiment is the material with good heat conductive performance,
When specific design, can select but be not limited to Copper Foil.
This utility model embodiment sets up fin by the lower section at light source, when produced by light source, heat exists
When there is thermal convection current between light source and fin, beneficially the efficient heat dispersion of fin, quickly dissipates heat
Send out, solve the problem that existing backlight module radiating efficiency is low, it is achieved that improve dissipating of backlight module
The thermal efficiency, reduces the temperature at backlight module light source, reduces the risk of reflector plate fold.
Further, seeing Fig. 1-Fig. 4, light source 2 includes flexible circuit board 21 and is fixed on flexible circuitry
Multiple luminescence units 22 on plate 21, and flexible PCB 21 is fixed on glue frame 1 and deviates from the one of fin 5
Side.According to actual design needs, luminescence unit 22 can include emitting red light unit, green emitting unit and
Blue-light-emitting unit, it is also possible to be only white luminous unit.This luminescence unit 22 is specifically as follows light-emitting diodes
Pipe.
The plan structure schematic diagram of another backlight module that Fig. 5 provides for this utility model embodiment.Fig. 6
Cross-sectional view for B1-B2 along Fig. 5.See shown in Fig. 5 and Fig. 6, the light source peace of glue frame 1
Dress portion is provided with light source mounting groove 11, and luminescence unit 22 is arranged in light source mounting groove 11.When fin 5
The first end when docking with reflector plate 4, as shown in Figure 6, so that the light that luminescence unit 22 is sent
Sheet 4 can be reflected well reflect, it is preferable that fin 5 first end and reflector plate 4 docking location (figure
In 6 at dotted line frame 31) it is positioned at light source mounting groove 11.
Further, for preferably fixing cooling fins, prevent it from offseting position during using,
As it is shown in fig. 7, alternatively, glue frame 1 is provided with fin mounting groove 12 (dotted line frame region in Fig. 7).
Second end of fin 5 is embedded in fin mounting groove 12, and the first end docks with reflector plate 4.It addition,
Alternatively, the thickness of fin 5 is identical with the thickness of reflector plate 4, and so the benefit of design is to change
The thickness of backlight module, can prevent difference in height, and so that this backlight module is smooth, attractive in appearance.
This utility model embodiment additionally provides a kind of display, and as shown in Figure 8, this display includes display
Any one backlight module 20 that panel 10 and above-described embodiment provide, and backlight module 20 and display surface
Plate 10 is oppositely arranged, and provides backlight.It should be noted that the display that this utility model embodiment provides
Can also include that other for the circuit supporting display normally to work and device, above-mentioned display can be
One in mobile phone, panel computer, Electronic Paper, digital photo frame.
This utility model embodiment sets up fin by the lower section of light source in backlight module, when light source is produced
When there is thermal convection current between light source and fin in raw heat, the beneficially efficient heat dispersion of fin, will
Heat Quick diffusing is gone out, and solves the problem that existing backlight module radiating efficiency is low, it is achieved that improve the back of the body
The radiating efficiency of light module, reduces the temperature at backlight module luminescence unit, reduces reflector plate fold
Risk.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Art technology
Those skilled in the art, it will be appreciated that this utility model is not limited to specific embodiment described here, are come by personnel
Say and can carry out various obvious change, readjust and substitute without departing from protection model of the present utility model
Enclose.Therefore, although by above example, this utility model is described in further detail, but this
Utility model is not limited only to above example, in the case of conceiving without departing from this utility model, it is also possible to
Including other Equivalent embodiments more, and scope of the present utility model is determined by scope of the appended claims.
Claims (10)
1. a backlight module, it is characterised in that including: glue frame, light source, light guide plate, reflector plate and
Fin；
Wherein, described light source and described light guide plate are fixed and are housed in described glue frame；
Described light guide plate is positioned at above described reflector plate；Described light guide plate includes at least one incident side, described
The light emission side of light source is oppositely arranged with the incident side of described light guide plate；Described light source is positioned at the light source of described glue frame
Installation portion；Described fin is positioned at below described light source.
Backlight module the most according to claim 1, it is characterised in that described reflector plate and described dissipate
Backing is fixing to be housed in described glue frame.
Backlight module the most according to claim 2, it is characterised in that the first end of described fin with
Described reflector plate docks, and the second end of described fin is fixing with described glue frame to be connected.
Backlight module the most according to claim 3, it is characterised in that described light source includes flexible circuitry
Plate and the multiple luminescence units being fixed in described flexible circuit board, and described flexible PCB is fixed on institute
State glue frame and deviate from the side of described fin.
Backlight module the most according to claim 4, it is characterised in that the light resource installing section of described glue frame
Being provided with light source mounting groove, described luminescence unit is arranged in described light source mounting groove.
Backlight module the most according to claim 4, it is characterised in that described luminescence unit is luminous two
Pole is managed.
Backlight module the most according to claim 5, it is characterised in that described fin the first end and institute
State reflector plate docking location and be positioned at described light source mounting groove.
Backlight module the most according to claim 5, it is characterised in that be provided with heat radiation on described glue frame
Sheet mounting groove, the second end of described fin is embedded in described fin mounting groove.
Backlight module the most according to claim 1, it is characterised in that the thickness of described fin with
The thickness of described reflector plate is identical.
10. a display, including display floater, it is characterised in that also include appointing in claim 1-9
Backlight module described in one, and described backlight module is oppositely arranged with described display floater, and backlight is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371537.3U CN205579334U (en) | 2016-04-28 | 2016-04-28 | Backlight unit and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620371537.3U CN205579334U (en) | 2016-04-28 | 2016-04-28 | Backlight unit and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205579334U true CN205579334U (en) | 2016-09-14 |
Family
ID=56858601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620371537.3U Active CN205579334U (en) | 2016-04-28 | 2016-04-28 | Backlight unit and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205579334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842696A (en) * | 2016-12-20 | 2017-06-13 | 武汉华星光电技术有限公司 | A kind of backlight module |
| WO2020107865A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Backlight module |
-
2016
- 2016-04-28 CN CN201620371537.3U patent/CN205579334U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842696A (en) * | 2016-12-20 | 2017-06-13 | 武汉华星光电技术有限公司 | A kind of backlight module |
| WO2018112999A1 (en) * | 2016-12-20 | 2018-06-28 | 武汉华星光电技术有限公司 | Backlight module |
| CN106842696B (en) * | 2016-12-20 | 2019-08-02 | 武汉华星光电技术有限公司 | A kind of backlight module |
| US10437088B2 (en) | 2016-12-20 | 2019-10-08 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| WO2020107865A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Backlight module |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |