CN207424452U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN207424452U CN207424452U CN201721113073.7U CN201721113073U CN207424452U CN 207424452 U CN207424452 U CN 207424452U CN 201721113073 U CN201721113073 U CN 201721113073U CN 207424452 U CN207424452 U CN 207424452U
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- China
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- backlight module
- pcb board
- backboard
- light guide
- guide plate
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Abstract
The utility model provides a kind of backlight module and display device, the backlight module includes backboard, the light guide plate being installed in the backboard, it is installed on the backboard and positioned at the pcb board of the light guide plate incident side, and it is arranged at the lamp bead on the pcb board, set fluted on the pcb board, which is fixedly installed in the groove.By setting groove on pcb board, lamp bead is fixedly installed in groove, in this way, when light guide plate is in hot and humid expand, since lamp bead is set in a groove, on the pressure conduction of light guide plate to pcb board, and avoid squeezing lamp bead, it prevents light guide plate from expanding and squeezes bad lamp bead, improve the service life of lamp bead, and this backlight module and display device overall structure are simple, reduce its cost.
Description
Technical field
The utility model belongs to display technology field, is to be related to a kind of backlight module and display device more specifically.
Background technology
Backlight module is an important component of display device, and the quality and service life of backlight module affect whole
The quality of a display device.Backlight module generally comprises backboard, pcb board, lamp bar and light guide plate, however, light guide plate has expansion
Attribute can generate expansion in the case of high temperature and high humidity, can squeeze the lamp bead in lamp bar and destroy lamp bead, cause backlight mould
Group and display device local damage, so as to influence the service life of backlight module and display device and whole display device.
At present, display product lamp bar prevents light guide plate from squeezing lamp bar mostly by the way of limited block is increased, this mode
Although can also play the effect for avoiding hitting lamp bar, increasing limited block makes its overall construction design complicated, increases its cost.
Therefore, how to propose that one kind had not only solved cost but also light guide plate can be avoided to destroy lamp bead due to expansion, so as to improve
The technical issues of backlight module and display device service life are urgently to be resolved hurrily in the industry.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and display devices, it is intended to which solution exists in the prior art
Light guide plate expansion squeeze bad lamp bead and backlight module and display device is caused not to work locally to influence backlight module and display device
Service life the technical issues of.
To achieve these goals, the technical solution adopted in the utility model is：A kind of backlight module and display device, bag
Backboard is included, the light guide plate being installed in the backboard is installed on the backboard and is located at the pcb board of the light guide plate incident side,
And be arranged at the lamp bead on the pcb board, which is characterized in that fluted, the lamp bead fixed setting is set on the pcb board
In the groove.
Further, the groove is set along the pcb board length direction, and the cross section of the pcb board is U-shaped.
Further, the lamp bead is electrically connected on the pcb board.
Further, the PCB is bonded on the backboard.
Further, the backlight module and display device further include anti-between the backboard and the catheter plate
Penetrate plate.
Further, the backlight module further includes the optical diaphragm arranged on the light guide plate light emission side.
Further, the backlight module further includes the support frame for supporting the optical diaphragm, and the support frame is installed on
On the backboard, the light guide plate and the pcb board are placed in the support frame.
Further, the cross section of the support frame is L-shaped.
Further, the backboard includes the baffle extended along backboard periphery vertical direction.
The utility model additionally provides a kind of display device, including above-mentioned backlight module.
The advantageous effect of backlight module provided by the utility model and display device is：Compared with prior art, this reality
It is by setting groove on pcb board with novel backlight module and display device, lamp bead is fixedly installed in groove, in this way, working as
Light guide plate is in hot and humid expand, since lamp bead is set in a groove, on pressure conduction to the pcb board of light guide plate,
And avoid squeezing lamp bead, prevent that light guide plate from expanding and breaking lamp bead, improves the service life of lamp bead, and this backlight module and
Display device overall structure is simple, reduces its cost.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The attached drawing of required practicality is briefly described in description, it should be apparent that, the accompanying drawings in the following description is only the present embodiment
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the backlight module that one embodiment of the utility model proposes and the top view of display device；
Fig. 2 is the partial enlarged view of A parts in Fig. 1.
Wherein, each reference numeral in figure：
1- backboards；2-PCB plates；3- lamp beads；4- light guide plates；5- reflecting plates；6- optical diaphragms；7- liquid crystal panels；8- is supported
Frame；9- centers；10- front frames；11- baffles；21- grooves.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.
In addition, it should also be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment, is only mutual
It is relative concept or using the normal operating condition of product as reference, and should not be regarded as restrictive.It ties below
Specific embodiment is closed the realization of the utility model is described in detail.
As shown in Fig. 1~2, the utility model proposes a kind of backlight module and display device, including backboard 1, light guide plate
4th, pcb board 2 and lamp bead 3, wherein light guide plate 4 are mounted in backboard 1, and pcb board 2 is arranged at the incident side of light guide plate 4, in PCB
Fluted 21 are opened up on plate 2, lamp bead 3 is fixed in groove 21.
By setting groove 21 on pcb board 2, the fixation of lamp bead 3 is set the backlight module and display device that the present embodiment proposes
It is placed in groove 21, in this way, when light guide plate 4 is in hot and humid expand, since lamp bead 3 is arranged in groove 21, leads
On the pressure conduction of tabula rasa 4 to pcb board 2, bad lamp bead 3 is squeezed so as to prevent light guide plate 4 from expanding, improve lamp bead 3 uses the longevity
Life, and this backlight module and display device overall structure are simple, reduce its cost.
Further, as backlight module provided by the utility model and a kind of specific embodiment of display device,
Above-mentioned groove 21 is set along 2 length direction of pcb board, by setting groove 21, can more effectively bear to expand because of light guide plate 4
The pressure brought so as to preferably protect lamp bead 3, improves the service life of lamp bead 3.Certainly, in other realities of the utility model
It applies in example, according to actual conditions and specific requirement, above-mentioned groove is alternatively other forms, and each lamp is corresponded to such as on pcb board 2
The position of pearl 3 opens up groove 21, to house corresponding lamp bead 3.It does not limit uniquely herein.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned lamp bead 3 is electrically connected with pcb board 2, and pcb board 2 is in strip, and lamp bead 3 is uniformly distributed on pcb board 2,
In the present embodiment, above-mentioned lamp bead 3 or LED light do not limit uniquely herein.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned pcb board 2 is to be bonded in by binding agent on backboard 1, so when pcb board 2 damages, can be individually replaced PCB
Plate 2 without entire backboard 1 is replaced, reduces maintenance cost.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned backlight module further includes reflecting plate 5, and reflecting plate 5 is arranged between backboard 1 and light guide plate 4, and reflecting plate 5 is used for
By in the light emitting that lamp bead 3 is sent to light guide plate 4, so as to improve the utilization rate of light.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Apply mode, above-mentioned backlight module further includes optical diaphragm 6, and optical diaphragm 6 is arranged on light guide plate 4 and 5 phase of reflecting plate back to one side,
I.e. optical diaphragm 6 is respectively arranged on the opposite sides of light guide plate 4 with reflecting plate 5, and optical diaphragm 6 is used to transfer out by light guide plate 4
Light carry out optical treatment.In actual production, due to leaning on the one side light crescendo of low beam, the light away from lamp is weaker, passes through
Addition optical diaphragm 6 is so that light more homogenizes.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned reflecting plate 5 is made of aluminium, since aluminium is mostly white, in this way, using white as background, may be such that
The reflection light of backlight module and display device is stronger.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, which further includes support frame 8, and for the support frame 8 to support optical diaphragm 6, support frame 8 is installed on backboard 1
On, and light guide plate 4 and pcb board 2 are placed in above-mentioned support frame 8.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, the cross section of above-mentioned support frame 8 is L-shaped, to be buckled on backboard, while protects side and the pcb board of light guide plate.
Certainly, support frame 8 or other shapes, do not limit uniquely herein.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned backboard 1 further includes the baffle 11 along 1 periphery vertical direction extension of backboard.
The utility model additionally provides a kind of display device, and including above-mentioned backlight module, the display of the utility model fills
It puts by using above-mentioned backlight module, so as to improve the service life of the display device and reduce its production cost.
Further, referring to Fig. 2, as backlight module provided by the utility model and a kind of specific reality of display device
Mode is applied, above-mentioned display device includes liquid crystal panel 7, center 9, front frame 10, and liquid crystal panel 7 is arranged on above-mentioned center 9 simultaneously
Opposite to each other for 6 one side of optical diaphragm, to support liquid crystal panel 7, front frame 10 covers on liquid crystal panel 7 and backlight module center 9.
It is above-mentioned preferably as backlight module provided by the utility model and a kind of specific embodiment of display device
Backboard 1 is made of iron material, and iron has good thermal conductivity, and intensity is high, and price is low.Certainly, the utility model its
In his embodiment, according to actual conditions and specifically, above-mentioned backboard 1 can also use the other materials such as aluminium be made, and not do herein
It is unique to limit.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. backlight module including backboard, the light guide plate being installed in the backboard, is installed on the backboard and positioned at the leaded light
The pcb board of plate incident side and the lamp bead being arranged on the pcb board；It is characterized in that, set on the pcb board it is fluted,
The lamp bead is fixedly installed in the groove.
2. backlight module as described in claim 1, which is characterized in that the groove is set along the pcb board length direction, institute
The cross section for stating pcb board is U-shaped.
3. backlight module as described in claim 1, which is characterized in that the lamp bead is electrically connected on the pcb board.
4. backlight module as described in claim 1, which is characterized in that the PCB is bonded on the backboard.
5. backlight module as described in claim 1, which is characterized in that the backlight module is further included arranged on the backboard and institute
State the reflecting plate between light guide plate.
6. such as claim 1-5 any one of them backlight modules, which is characterized in that the backlight module is further included arranged on described
The optical diaphragm of light guide plate light emission side.
7. backlight module as claimed in claim 6, which is characterized in that the backlight module further includes the support optical diaphragm
Support frame, the support frame is installed on the backboard, and the light guide plate and the pcb board are placed in the support frame.
8. backlight module as claimed in claim 7, which is characterized in that the cross section of the support frame is L-shaped.
9. such as claim 1-5 any one of them backlight modules, which is characterized in that the backboard was included along backboard week
The baffle of side vertical direction extension.
10. display device, which is characterized in that including claim 1-9 any one of them backlight modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113073.7U CN207424452U (en) | 2017-08-31 | 2017-08-31 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721113073.7U CN207424452U (en) | 2017-08-31 | 2017-08-31 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424452U true CN207424452U (en) | 2018-05-29 |
Family
ID=62315351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721113073.7U Active CN207424452U (en) | 2017-08-31 | 2017-08-31 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458915A (en) * | 2020-04-22 | 2020-07-28 | 深圳康佳电子科技有限公司 | Display device second-order compression elastic buffer module and display device |
| CN117234003A (en) * | 2023-09-04 | 2023-12-15 | 安徽赛时达显示科技有限公司 | Backlight module display screen with heat radiation structure |
-
2017
- 2017-08-31 CN CN201721113073.7U patent/CN207424452U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458915A (en) * | 2020-04-22 | 2020-07-28 | 深圳康佳电子科技有限公司 | Display device second-order compression elastic buffer module and display device |
| CN111458915B (en) * | 2020-04-22 | 2023-04-18 | 深圳康佳电子科技有限公司 | Display device second-order compression elastic buffer module and display device |
| CN117234003A (en) * | 2023-09-04 | 2023-12-15 | 安徽赛时达显示科技有限公司 | Backlight module display screen with heat radiation structure |
| CN117234003B (en) * | 2023-09-04 | 2024-03-05 | 安徽赛时达显示科技有限公司 | Backlight module display screen with heat radiation structure |
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