CN207067606U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN207067606U CN207067606U CN201721045467.3U CN201721045467U CN207067606U CN 207067606 U CN207067606 U CN 207067606U CN 201721045467 U CN201721045467 U CN 201721045467U CN 207067606 U CN207067606 U CN 207067606U
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- China
- Prior art keywords
- lens
- reflector plate
- backlight module
- pcb board
- opening
- 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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Abstract
The utility model discloses a kind of backlight module and display device, wherein, the backlight module includes backboard；Backlight, including the pcb board, light source and lens being connected with backboard, the lens include the lens body and the leg of connection lens body bottom and pcb board that cover sets light source, the bottom of the lens body protrudes from leg laterally outwardly, and screens gap is set as to be enclosed between lens body bottom and pcb board；And reflector plate, on backboard, the lens opening passed through for lens is offered on the reflector plate, the peritreme of the lens opening puts in screens gap, so that lens clamp the reflector plate with pcb board.The utility model backlight module, the fixed form of reflector plate is simple, conveniently, and the flatness of reflector plate is high, so as to which the efficiency of assembling of reflector plate is substantially improved, so as to greatly improve the production efficiency of backlight module and display device.
Description
Technical field
It the utility model is related to backlight technology field, the display of more particularly to a kind of backlight module and the application backlight module
Device.
Background technology
Existing, down straight aphototropism mode set generally comprises backboard, reflector plate and backlight, and the backlight generally comprises
The pcb board and the light source on the pcb board being connected with backboard, lens are covered with the light source, the reflector plate is located at
On pcb board, the lens opening passed through for the lens is offered on the reflector plate.The fixed form of existing reflector plate has two
Kind, but the defects of certain all be present in both fixing means, it is specific as follows：
1st, screw is fixed：Reflector plate is pushed down with band big nut screw directly to lock on backboard.This fixed form is past
Toward more screw is needed, tens screws are generally required, while need the artificial post of a special appended screw, screw and people
Power cost is higher；Secondly screw is fixed as being completely fixed, and crunch when reflector plate can lock because of screw, is produced with reflector plate
Raw powerful frictional force, produces powerful torsion and drives reflector plate to produce certain rotation at reflector plate screw and be deformed, from
And reflector plate is produced rough shape after fixing, if serious, it can cause to regard in face and imitate uneven, generation brightness unevenness
Regard effect；Further, since reflector plate is PET material, and it is affected by environment larger, contraction is easily produced in extrusion molding direction, it is swollen
Bulging deformation, screw are fixed as being completely fixed, and do not have convergent-divergent space, are easily produced in the place of bad environments a series of existing
As such as warpage, bulge, triggering backlight module to regard effect problem.
2nd, sticking double faced adhesive tape is fixed：Fixed using double faced adhesive tape, during stickup, the bad control of flatness of reflector plate, production effect
Rate is low, and cost of labor is high.
Utility model content
Main purpose of the present utility model is to provide a kind of backlight module, it is intended to solves existing reflector plate fixed form and exists
The technical problem of defect.
To achieve the above object, the utility model provides a kind of backlight module, for display device, the backlight module bag
Include：
Backboard；
Backlight, including the pcb board being connected with the backboard, the light source that is arranged on the pcb board and cover set the light
The lens in source, the lens include the lens body and the connection lens body bottom and the pcb board that cover sets the light source
Leg, the bottom of the lens body protrudes from the leg laterally outwardly, with the lens body bottom and the PCB
Enclosed between plate and be set as screens gap；And
Reflector plate, on the backboard, the lens opening passed through for the lens is offered on the reflector plate, it is described
The peritreme in mirror hole puts in the screens gap, so that the lens clamp the reflector plate with the pcb board.
Preferably, the peritreme of the lens opening is offered through the resigning gap of the reflector plate, and the resigning gap
Extend from the peritreme of the lens opening towards the peritreme direction away from the lens opening.
Preferably, the resigning gap is provided with multiple, and the plurality of resigning gap is on the circumferencial direction of the lens opening
It is uniformly distributed.
Preferably, the length range in the resigning gap is [5mm, 12mm].
Preferably, the quantity in the resigning gap is 4 to 8.
Preferably, the lens body Basolateral is inclined upwardly setting, so as to be in enlarging at the screens clearance opening
Set.
Preferably, the thickness of the reflector plate is less than or equal to the lens body bottom and the spacing of the pcb board.
Preferably, the peritreme of the lens opening is arranged at intervals with the leg.
Preferably, the lens are round shape lens, and the lens opening is circular hole, lens described in the aperture ratio of the lens opening
The small 4-6mm of diameter of body bottom periphery.
The utility model also provides a kind of display device, including backlight module.The backlight module includes：
Backboard；
Backlight, including the pcb board being connected with the backboard, the light source that is arranged on the pcb board and cover set the light
The lens in source, the lens include the lens body and the connection lens body bottom and the pcb board that cover sets the light source
Leg, the bottom of the lens body protrudes from the leg laterally outwardly, with the lens body bottom and the PCB
Enclosed between plate and be set as screens gap；And
Reflector plate, on the backboard, the lens opening passed through for the lens is offered on the reflector plate, it is described
The peritreme in mirror hole puts in the screens gap, so that the lens clamp the reflector plate with the pcb board.
Set according to said structure, when the reflector plate assembles, first the reflector plate is positioned on the inside of backboard, and make institute
State lens opening to correspond with lens, be then pressed downward reflector plate so that local elasticity occurs at the lens opening for reflector plate
Deformation, the reflector plate move to the lens body bottom under the effect of the pressure, and the reflector plate is at the lens opening
Local elasticity deformation restore to the original state, and the peritreme of the lens opening is put in screens gap so that lens clamp with pcb board
Reflector plate, so as to which the reflector plate be fixed.
The utility model backlight module, the fixed form of reflector plate is simple, conveniently, and the flatness of reflector plate is high, from
And the efficiency of assembling of reflector plate can be substantially improved, so as to greatly improve the production efficiency of backlight module and display device.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model backlight module one；
Fig. 2 is the partial enlarged drawing at A in Fig. 1；
Fig. 3 is the cross-sectional view of backlight module in Fig. 1；
Fig. 4 is the partial structural diagram of backlight module in Fig. 3；
Fig. 5 is the structural representation of reflector plate in Fig. 1.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of backlight module.
Backlight module provided by the utility model is down straight aphototropism mode set or the mixing combined by side entering type with straight-down negative
Injection type backlight module.
Backlight module provided by the utility model, it is preferably applied to field of display devices, such as LCD TV, liquid crystal display
Device, advertisement machine etc.；It can also be applied to field of illuminating device, such as flat head lamp.
In the embodiment of the utility model one, as shown in Figures 1 to 4, the backlight module 100 includes：
Backboard 10；
Backlight 20, including the pcb board 21 being connected with backboard 10, the light source 22 that is arranged on pcb board 21 and cover set light source
22 lens 23, the lens 23 include the lens body 231 and the connection bottom of lens body 231 and pcb board that cover sets light source 22
21 leg 232, the bottom of the lens body 231 protrude from leg 232 laterally outwardly, with the bottom of lens body 231 with
Enclosed between pcb board 21 and be set as screens gap 30；And
Reflector plate 40, located at the inner side of backboard 10, the lens opening 41 passed through for lens 23, institute are offered on the reflector plate 40
The peritreme 411 for stating lens opening 41 puts in screens gap 30, so that lens 23 clamp reflector plate 40 with pcb board 21, so as to by described in
Reflector plate 40 is fixed.
Set according to said structure, when the reflector plate 40 assembles, the reflector plate 40 be first positioned over the inner side of backboard 10,
And the lens opening 41 is corresponded with lens, then it is pressed downward reflector plate 40 so that reflector plate 40 is in the lens opening 41
Local elasticity's deformation occurs for place, and the reflector plate 40 moves to the bottom of lens body 231 under the effect of the pressure, described anti-
Penetrate local elasticity deformation of the piece 40 at the lens opening 41 to restore to the original state, and the peritreme 411 of the lens opening 41 puts in card
In interdigit gap 30 so that lens 23 clamp reflector plate 40 with pcb board 21, so as to which the reflector plate 40 be fixed.
Set by said structure, in the utility model, the fixed form of reflector plate 40, compared to reflecting in the prior art
The fixed form that piece is fixed by screw or sticking double faced adhesive tape is fixed, at least has the advantages that：
1) in the utility model, the fixed form of reflector plate 40, because can be in a manner of directly by pushing by reflector plate
40 fix, and the flatness of reflector plate 40 is easier to control so that the installation of reflector plate 40 simply, conveniently, can be substantially improved anti-
The efficiency of assembling of piece 40 is penetrated, so as to greatly improve the production efficiency of backlight module 100 and display device；But also can significantly it drop
Low cost of labor, so as to reduce the production cost of backlight module 100 and display device.
2) in the utility model, the fixed form of reflector plate 40 can not only meet the fixed demand of reflector plate 40, and
Can reduce the screw for locking reflector plate 40, reduce it is artificial, so as to save being produced into for backlight module 100 and display device
This.Simultaneously screw can also be avoided to directly bear against on reflector plate 40, because its powerful torsion causes the metaboly of reflector plate 40
Occur, it is ensured that the flatness of reflector plate 40, so as to ensure that backlight module 100 can produce uniform area source, and then
It may insure that display device can show good visual effect.
3) moreover, in the utility model reflector plate 40 fixed form, reflector plate 40 is not completely fixed, it is described anti-
Penetrating piece 40 has certain activity space, so that reflector plate is provided with contraction, expansion space, so as to avoid reflector plate
The bad phenomenons such as warpage, bulge, and then avoid backlight module and produce bad visual effect.
Further, as shown in Figure 2 and Figure 5, the peritreme 411 of lens opening 41 is put in screens gap 30 for convenience,
The peritreme 411 of the lens opening 41 is offered through the resigning gap 412 of reflector plate 40, and the resigning gap 412 is from lens
The peritreme 411 in hole 41 extends towards the direction of peritreme 411 away from lens opening 41.
Preferably, the resigning gap 412 is provided with multiple, and the multiple resigning gap 412 is by the reflection at lens opening 41
Piece 40 is isolated into isolated activity template 42.
As shown in Figure 2 and Figure 5, in the present embodiment, the quantity in the resigning gap 412 is six, the activity template 42
Between the resigning gap 412 adjacent positioned at any two；Three sides of the activity template 42 can be freely movable, another a line with it is anti-
Piece 40 is penetrated to connect.
When pushing the reflector plate 40, the activity template 42 easily deforms upon and stretches the peritreme 411 of lens opening 41
Enter in screens gap 30.Specifically, three sides of the activity template 42 are moved upwards under the effect of the pressure, it takes the form of
The peritreme 411 of the lens opening 41 is upturned, and when reflector plate 40 moves to pcb board surface, the control activity of activity template 42 makes
The peritreme 411 of lens opening 41 is put in screens gap 30, for example activity template 42 is arched upward, and by the peritreme 411 of lens opening 41
The opening in screens gap 30 is moved to, then pushes the arched part of activity template 42 so that the peritreme 411 of lens opening 41 is put in
In screens gap 30.
The utility model backlight module 100, resigning gap 412 is opened up by the peritreme 411 in lens opening 41 so that lens
The peritreme 411 in hole 41 is easily put in screens gap 30, so that the installation of reflector plate 40 is more convenient, it is anti-so as to accelerate
The efficiency of assembling of piece 40 is penetrated, so as to improve the production efficiency of backlight module 100 and display device.
The quantity in the resigning gap 412 can both influence the installation complexity of reflector plate 40, and and can enough influences to reflect
The installation strength of piece 40.Specifically, the quantity in the resigning gap 412 can not be excessive, and can not be very few, it is described anti-when excessive
Penetrating the installation strength of piece 40 substantially reduces so that reflector plate 40 fix it is unstable, so as to can influence backlight module 100 and display fill
The performance put；When very few, the installation difficulty of reflector plate 40 can be increased；So the quantity in the resigning gap 412 is 4 to 8.
It is further preferable that the quantity in the resigning gap 412 is 6.
Further, the length range in the resigning gap 412 is [5mm, 12mm].
The length in the resigning gap equally can both influence the installation complexity of reflector plate 40, and and can enough influences to reflect
The installation strength of piece 40.Specifically, when the resigning gap 412 is long, the installation strength of the reflector plate 40 substantially reduces, and makes
Reflector plate 40 fix it is unstable, so as to which the performance of backlight module 100 and display device can be influenceed；The mistake of resigning gap 412
In short-term so that activity template 42 is unlikely to deform, so as to increase the installation difficulty of reflector plate 40；So the resigning gap 412
Length range is 5~12mm, and its physical length can be depending on the size with reference to the lens body 231.
Further, as shown in figure 4, the thickness of the reflector plate 40 is less than or equal to the bottom of lens body 231 and pcb board
Spacing, in this way, the peritreme 411 of the lens opening 41 can be enabled conveniently to put in screens gap 30.More
Preferably, the thickness of the reflector plate 40 is slightly less than the spacing of the bottom of lens body 231 and pcb board, so can both ensure anti-
The installation strength of piece 40 is penetrated, can cause that the installation of reflector plate 40 is more convenient again.
Further, as shown in figure 4, the peritreme 411 of the lens opening 41 is arranged at intervals with leg 42, to avoid installation anti-
The peritreme 411 of the lens opening 41 interferes with leg 42 when penetrating piece 40, and increases the installation difficulty of reflector plate 40；Meanwhile
It is also possible that reflector plate 40 has certain activity space, even if reflector plate has contraction, expansion space, so as to avoid reflecting
The bad phenomenons such as warpage, bulge occur for piece, and then backlight module can be avoided to produce bad visual effect.
Further, as shown in Figure 2 and Figure 5, in order to which more convenient control activity template 42 moves, between the multiple resigning
Gap 412 is evenly distributed on the circumferencial direction of lens opening 41, so that the activity template 42 is uniform in size, so as to easily to live
The uniform force of moving plate 42, so as to convenient control activity template 42.
Further, as shown in Figure 2 and Figure 5, the resigning gap 412 perpendicular to lens opening 41 peritreme 411 so that living
The relative movement orbit of moving plate 42 is consistent as far as possible, to facilitate control activity template 42 to move.
Further, it is adapted to for the ease of the installation of reflector plate 40, the lens opening 41 with the outline of lens 23.Specifically
, the lens 23 are square shape lens, and the lens opening 41 is correspondingly arranged as square hole；Or the lens 23 are round shape lens,
The lens opening 41 is correspondingly arranged as circular hole.
As shown in Figure 2 and Figure 4, in the present embodiment, the lens 23 are round shape lens, and the lens opening 41 is circular hole,
Wherein, the small 4-6mm of diameter of the bottom periphery of aperture ratio lens body 231 of the lens opening 411.In this way, it can both ensure anti-
The installation strength of piece 40 is penetrated, can cause that the installation of reflector plate 40 is more convenient again.
Further, the resigning gap 412 is linear slit, to avoid light from being revealed out of resigning gap 412.The resigning
Gap 412 can be formed by cutting through processing formation otch.
In another embodiment of the utility model, the Basolateral of lens body 231 is inclined upwardly setting, so that screens
The opening of gap 30 is set in enlarging, so as to facilitate the peritreme 411 of the lens opening 41 to be put in by the opening in resigning gap 412
In resigning gap 412, so that the installation of reflector plate 40 is more convenient, so as to accelerate the efficiency of assembling of reflector plate 40, from
And improve the production efficiency of backlight module 100 and display device.
The utility model provides a kind of display device, including above-mentioned backlight module.The concrete structure ginseng of the backlight module
According to above-described embodiment, because a kind of display device of the utility model employs whole technical schemes of above-mentioned all embodiments, because
This all beneficial effect at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.
The display device is preferably LED liquid crystal television or LED LCDs.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. backlight module, for display device, it is characterised in that including：Backboard；Backlight, including the pcb board being connected with the backboard, the light source that is arranged on the pcb board and cover set the light source Lens, the lens include the lens body and the connection lens body bottom and the branch of the pcb board that cover sets the light source Pin, the bottom of the lens body protrude from the leg laterally outwardly, between the lens body bottom and the pcb board Enclose and be set as screens gap；AndReflector plate, on the backboard, the lens opening passed through for the lens, the lens opening are offered on the reflector plate Peritreme put in the screens gap so that the lens and the pcb board clamp the reflector plate.
- 2. backlight module as claimed in claim 1, it is characterised in that the peritreme of the lens opening is offered through the reflection The resigning gap of piece, and the resigning gap extends from the peritreme of the lens opening towards the peritreme direction away from the lens opening.
- 3. backlight module as claimed in claim 2, it is characterised in that the resigning gap be provided with it is multiple, between the plurality of resigning Gap is evenly distributed on the circumferencial direction of the lens opening.
- 4. backlight module as claimed in claim 2, it is characterised in that the length range in the resigning gap for [5mm, 12mm]。
- 5. backlight module as claimed in claim 2, it is characterised in that the quantity in the resigning gap is 4 to 8.
- 6. the backlight module as described in claim 1 to 5 any one, it is characterised in that the lens body Basolateral to On be obliquely installed so that at the screens clearance opening in enlarging set.
- 7. the backlight module as described in claim 1 to 5 any one, it is characterised in that the thickness of the reflector plate be less than or Equal to the lens body bottom and the spacing of the pcb board.
- 8. the backlight module as described in claim 1 to 5 any one, it is characterised in that the peritreme of the lens opening with it is described Leg is arranged at intervals.
- 9. the backlight module as described in claim 1 to 5 any one, it is characterised in that the lens are round shape lens, described Lens opening is circular hole, the small 4-6mm of diameter of lens body bottom periphery described in the aperture ratio of the lens opening.
- 10. a kind of display device, it is characterised in that including the backlight module as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045467.3U CN207067606U (en) | 2017-08-21 | 2017-08-21 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045467.3U CN207067606U (en) | 2017-08-21 | 2017-08-21 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207067606U true CN207067606U (en) | 2018-03-02 |
Family
ID=61514806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721045467.3U Expired - Fee Related CN207067606U (en) | 2017-08-21 | 2017-08-21 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207067606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609418A (en) * | 2019-09-24 | 2019-12-24 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
| CN112908167A (en) * | 2021-01-27 | 2021-06-04 | 东莞市豪顺精密科技有限公司 | Reflector plate fixing structure and backlight module with same |
-
2017
- 2017-08-21 CN CN201721045467.3U patent/CN207067606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609418A (en) * | 2019-09-24 | 2019-12-24 | 深圳创维－Rgb电子有限公司 | Backlight module and display device |
| CN112908167A (en) * | 2021-01-27 | 2021-06-04 | 东莞市豪顺精密科技有限公司 | Reflector plate fixing structure and backlight module with same |
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| 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: 20180302 Termination date: 20190821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |