CN206848654U - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN206848654U CN206848654U CN201720800320.4U CN201720800320U CN206848654U CN 206848654 U CN206848654 U CN 206848654U CN 201720800320 U CN201720800320 U CN 201720800320U CN 206848654 U CN206848654 U CN 206848654U
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- China
- Prior art keywords
- backlight module
- side plate
- glue frame
- underframe
- middle glue
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a kind of backlight module, the backlight module includes middle glue frame and underframe, the underframe includes bottom plate and four the first side plates of groove-like is formed with bottom plate, the middle glue frame includes four the second side plates and the ring-type platform formed that bent inwards by the second side plate, the lateral wall of the side plate of two of which first and the madial wall snapping of the side plate of two of which second, the lateral wall snapping of the madial wall of two other the first side and two other the second side plate, the position empty avoiding processing that the middle glue frame is intersected with underframe.By by two the second side plates of the external middle glue frame of two the first side plates of the underframe, two other second side plate is inscribed for two other first side plate so that the elastic deformation power of middle glue frame is bigger, increase the free to contract and expand space of the middle glue frame, so that middle glue frame can the free to contract and expand with the breathing of liquid crystal display panel, lift the quality of liquid crystal display die set.
Description
Technical field
Technical field of liquid crystal display is the utility model is related to, relates more specifically to a kind of backlight module and display device.
Background technology
Liquid crystal display device (LCD, Liquid Crystal Display) has thin fuselage, power saving, radiationless etc. numerous
Advantage, it is widely used.Liquid crystal display device major part on existing market is backlight liquid crystal display, and it includes
Liquid crystal display panel and backlight module (backlight module).The operation principle of liquid crystal display panel is parallel in two panels
Liquid crystal molecule is placed among glass, there are many tiny electric wires vertically and horizontally among two sheet glass, is controlled by whether being powered
Liquid crystal molecule processed changes direction, and the light of backlight module is reflected into generation picture.Because liquid crystal display panel is not sent out in itself
Light is, it is necessary to which the backlight provided by backlight module normally shows image, and therefore, backlight module turns into liquid crystal display device
One of key part and component.Backlight module is divided into side entrance back module and direct-type backlight according to the difference of backlight incoming position
Two kinds of module.Down straight aphototropism mode set is by backlight such as CCFL (Cold Cathode Fluorescent Lamp, negative electrode
Fluorescent lamp) or LED (Light Emitting Diode light emitting diodes) be arranged on liquid crystal display panel rear, directly formed
Area source is supplied to liquid crystal display panel.And side entrance back module is that backlight LED lamp bar (lightbar) is located at into liquid crystal
The back plate edges at display panel side rear, the light that LED light bar is sent enters light guide plate from the incidence surface of light guide plate side, through anti-
It is emitted after penetrating and spreading from light guide plate exiting surface, liquid crystal display panel is supplied to form area source.
In order to support liquid crystal display panel and the leakage that shuts out the light is equipped with center, usual center is existing backlight module
Made of plastic ejection moulding, plastics it is elastic relatively poor, cause bad by cushioning effect during external impacts, making letter
In the impact process for relying property experiment, with plastics made of the liquid crystal display panel that contacts of center it is easily chipping, therefore center
The selected and structure design of material is remained to be further improved to solve the problems, such as that it adapts to compression-expansion.
Utility model content
In order to solve the deficiencies in the prior art, the utility model, which provides a kind of middle glue frame, has free to contract and expand space
Backlight module.
The utility model technique effect to be reached is realized by following scheme：A kind of backlight module, the backlight mould
Group includes middle glue frame and underframe, and the underframe includes bottom plate and four the first side plates of groove-like, the middle glue are formed with bottom plate
Frame includes four the second side plates and the ring-type platform formed that bent inwards by the second side plate, the lateral wall of the side plate of two of which first with
The madial wall snapping of the side plate of two of which second, the lateral wall of the madial wall of two other the first side and two other the second side plate
Snapping, the position empty avoiding processing that the middle glue frame is intersected with underframe.
Preferably, the middle glue frame and underframe fastening position using buckle and（Or）Fixed by double faced adhesive tape.
Preferably, projection is set on the inside of first side plate, accordingly sets groove on the outside of second side plate, fastened
When projection is tipped in groove.
Preferably, the bottom of second side plate passes through two-sided gluing with the position that both are in contact on the inside of the bottom plate
Patch.
Preferably, also include liquid crystal display panel on the backlight module, the liquid crystal display panel be pasted onto it is described in
On the ring-type platform of glue frame.
Preferably, the underframe is metal frame.
Preferably, the metal frame is the aluminium frame that surface has corundum layer.
Preferably, reflector plate, light guide plate, optical film are additionally provided with the inner space that the middle glue frame and underframe snapping are formed
Piece group and backlight.
Preferably, the backlight is linear LED light source, fixes and sets by way of heat conduction tape-stripping or screw lock
It is placed in first side plate.
Preferably, a kind of display device, including backlight module described above.
The utility model has advantages below：
By by two the second side plates of the external middle glue frame of two the first side plates of the underframe, two other first side plate
Two other second side plate is inscribed so that the elastic deformation power of middle glue frame is bigger, the free to contract and expand for increasing the middle glue frame is empty
Between so that middle glue frame can the free to contract and expand with the breathing of liquid crystal display panel, lift the quality of liquid crystal display die set.
Brief description of the drawings
Fig. 1 is the sectional view of backlight module in the prior art；
Fig. 2 is the schematic diagram that center coats underframe in Fig. 1；
Fig. 3 is the sectional view 1 of backlight module in the utility model；
Fig. 4 is the sectional view 2 of backlight module in the utility model；
Fig. 5-Figure 10 is the schematic diagram that middle glue frame fastens with underframe in the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Backlight module of the prior art, as Figure 1-Figure 2, the backlight module include center 1 ' and underframe 2 ', institute
The first side plate 22 ' that underframe includes bottom plate 21 ' and groove-like is formed with bottom plate 21 ' is stated, the center 1 ' includes the second side plate 11 '
With the ring-type platform 12 ' that is formed of being bent inwards by the second side plate 11 ', the lateral wall of first side plate 22 ' and second side plate
11 ' madial wall snapping is so that center 1 ' coats underframe 2 '.In conventional design, when center 1 ' is glue frame, underframe 2 ' is metal frame
When, glue frame cladding metal frame after elastic deformation ability due to metal frame keeping out effect and substantially reduce.
For problem described above, a kind of backlight module is disclosed in the utility model, with reference to shown in Fig. 3-10, the back of the body
Optical mode group includes middle glue frame 1 and underframe 2, and the underframe 2 includes bottom plate 21 and four the first sides of groove-like are formed with bottom plate 21
Plate 22, the middle glue frame 1 includes four the second side plates 11 and the ring-type platform 12 formed that bent inwards by the second side plate 11, wherein two
The lateral wall of individual first side plate 22 and the madial wall snapping of the second side plate of two of which 11, the inner side of two other the first side plate 22
The lateral wall snapping of wall and two other the second side plate 11, empty avoiding processing is done at the position that the middle glue frame 1 is intersected with underframe 2.It is logical
Cross two 22 external two the second side plates 11 of the first side plate, inscribed two the second side plates 11 of two other first side plate 22 so as to
Make the elastic deformation power of middle glue frame 1 bigger, increase the free to contract and expand space of the middle glue frame 1.
As shown in Figure 3-4, respectively the first side plate 22 coats the second side plate 11, the second side plate 11 coats the first side plate 22
Schematic diagram, the middle glue frame 1 and the fastening position of underframe 2 using buckle and（Or）Fixed by way of sticking double faced adhesive tape.Specifically
Ground is accordingly set recessed in the outside of second side plate 11 as shown in figure 9, projection can be set in the inner side of first side plate 22
Groove, projection is tipped in groove during fastening；Can also the bottom of first side plate 22 with the inside of the bottom plate both be in contact
Position by sticking double faced adhesive tape, the technique of double faced adhesive tape is relatively simple, facilitates easy-to-use.
Reflector plate 4, leaded light are additionally provided with the inner space that middle glue frame 1 described in the utility model and the snapping of underframe 2 are formed
Plate 5, optical diaphragm group 6 and backlight 7.The backlight 7 is linear LED light source, and it is locked by heat conduction tape-stripping or screw
Attached mode is fixedly installed in first side plate 22, and uniform light is shown through light guide plate 5 and optical diaphragm group 6.
Also include liquid crystal display panel 3 on the backlight module, the liquid crystal display panel 3 is pasted onto the middle glue frame 1
Ring-type platform on.When the liquid crystal display panel 3 is expanded due to heated, due to middle glue frame 1 described in the utility model with
Elastic deformation occurs therewith for the special setting of underframe 2, the middle glue frame 1, will not give liquid crystal display panel 3 excessive pressure, keep away
Exempted from glue frame in the prior art it is excessive to the pressure of liquid crystal display panel caused by liquid crystal display panel 3 deform the problem of；When
When the liquid crystal display panel 3 reduces to the cold, the elastic deformation of the middle glue frame 1 recovers therewith, still with the liquid crystal display
Panel 3 is in close contact, avoid middle glue frame in the prior art can not be in close contact liquid crystal display panel and caused by liquid crystal display
Panel rocks, fragmentation phenomenon, further improves the quality of whole liquid crystal display die set.
As a further improvement, the underframe 2 is preferred but is not limited to metal frame, it is preferable that the metal frame is surface
Aluminium frame with corundum layer.Wherein, the corundum layer aoxidizes to be formed on the aluminium frame surface by anode surface, controls its hard
Degree is in 200 ~ 300HV, its chase with assembling（Assemble backlight module and the brandreth of display module）Hardness is suitable, Liang Zhexiang
During mutual making contact chase will not scratch aluminium frame, cause short circuit problem so as to avoid aluminium chip from falling to mainboard, further
Improve the stability and backlight effect of backlight module.
A kind of display device, including backlight module described above.The display device can be applied to mobile phone, tablet personal computer
Deng on electronic product.
It is last it should be noted that above example is only illustrating the technical scheme of the embodiment of the present invention rather than it is entered
Row limitation, although the embodiment of the present invention is described in detail with reference to preferred embodiment, one of ordinary skill in the art
It should be understood that can still be modified to the technical scheme of the embodiment of the present invention or equivalent substitution, and these modifications or wait
The scope of amended technical scheme disengaging technical scheme of the embodiment of the present invention can not also be made with replacement.
Claims (10)
1. a kind of backlight module, the backlight module includes middle glue frame and underframe, and the underframe includes bottom plate and formed with bottom plate
Four the first side plates of groove-like, the middle glue frame include four the second side plates and the ring-type formed that bent inwards by the second side plate
Platform, it is characterised in that the lateral wall of the side plate of two of which first and the madial wall snapping of the side plate of two of which second, two other
The lateral wall snapping of the madial wall of first side and two other the second side plate, at the position empty avoiding that the middle glue frame is intersected with underframe
Reason.
2. a kind of backlight module as claimed in claim 1, it is characterised in that the middle glue frame and underframe fastening position are using card
Detain and/or fixed by double faced adhesive tape.
A kind of 3. backlight module as claimed in claim 2, it is characterised in that projection is set on the inside of first side plate, it is corresponding
Ground sets groove on the outside of second side plate, tips projection in groove in during fastening.
4. a kind of backlight module as claimed in claim 3, it is characterised in that in the bottom of second side plate and the bottom plate
The position that both sides are in contact passes through sticking double faced adhesive tape.
5. a kind of backlight module as described in claim 1-3 is any, it is characterised in that also include liquid crystal on the backlight module
Display panel, the liquid crystal display panel are pasted onto on the ring-type platform of the middle glue frame.
6. a kind of backlight module as described in claim 1-3 is any, it is characterised in that the underframe is metal frame.
7. a kind of backlight module as claimed in claim 6, it is characterised in that the metal frame is the aluminium that surface has corundum layer
Frame.
A kind of 8. backlight module as claimed in claim 1, it is characterised in that the inside of the middle glue frame and the formation of underframe snapping
Reflector plate, light guide plate, optical diaphragm group and backlight are additionally provided with space.
9. a kind of backlight module as claimed in claim 7, it is characterised in that the backlight is linear LED light source, by leading
The mode that thermal bonding tape is pasted or screw locks is fixedly installed in first side plate.
10. a kind of display device, including the backlight module as described in claim 1-9 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800320.4U CN206848654U (en) | 2017-07-04 | 2017-07-04 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800320.4U CN206848654U (en) | 2017-07-04 | 2017-07-04 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848654U true CN206848654U (en) | 2018-01-05 |
Family
ID=60804461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720800320.4U Active CN206848654U (en) | 2017-07-04 | 2017-07-04 | A kind of backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206848654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415423A (en) * | 2022-01-30 | 2022-04-29 | 深圳市瀚达美电子有限公司 | Improve fixed on-vehicle backlight unit of light guide plate |
-
2017
- 2017-07-04 CN CN201720800320.4U patent/CN206848654U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114415423A (en) * | 2022-01-30 | 2022-04-29 | 深圳市瀚达美电子有限公司 | Improve fixed on-vehicle backlight unit of light guide plate |
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