CN206321917U - A kind of backlight and liquid crystal display module - Google Patents
A kind of backlight and liquid crystal display module Download PDFInfo
- Publication number
- CN206321917U CN206321917U CN201621438151.6U CN201621438151U CN206321917U CN 206321917 U CN206321917 U CN 206321917U CN 201621438151 U CN201621438151 U CN 201621438151U CN 206321917 U CN206321917 U CN 206321917U
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- CN
- China
- Prior art keywords
- metal frame
- guide plate
- light guide
- backlight
- upper metal
- 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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- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight and liquid crystal display module.The backlight includes the upper metal frame and lower metal frame cooperated, and the top surface of the upper metal frame has opening；Light guide plate is provided with the upper metal frame and lower metal frame, the incidence surface of the light guide plate is provided with light emitting source, and the bottom surface of the lower metal frame sets some bending structures of oriented 90 ° of the light guide plate infolding in one end close to the light emitting source.The bottom surface of the lower metal frame of the backlight is provided with some bending structures in one end close to the light emitting source, the bending structure is from the bottom surface of the lower metal frame to 90 ° of the light guide plate infolding, the light guide plate is limited to move to the light emitting source direction, backlight is avoided under motion state, the light guide plate collides with light emitting source and damages light emitting source.
Description
Technical field
The utility model is related to field of backlights, more particularly to a kind of backlight and liquid crystal display module.
Background technology
Backlight generally uses front glue frame, the Standard of bottom-side metal frame, still, with the change of backlight Source size
Greatly, the injection difficulty of large scale glue frame is increasing, and angularity is also than larger, therefore, as shown in figure 1, large scale backlight
Source starts the Standard using upper metal frame 2 ' and lower metal frame 1 ', still, and light guide plate 3 ' is easily in backlight motion state
It is lower to be moved to light emitting source direction and weigh LED wounded；And upper metal frame 2 ' is larger due to the weight of itself, the edge of its top surface opening
Can be sunk deformation due to the weight of itself, and the optical film 4 ' for causing metal frame 2 ' to be pressed onto on the exiting surface of light guide plate 3 ' is entering
During the high/low temperature reliability test of row backlight, the sinking deformation of upper metal frame 2 ' causes the fold of optical film 4 ' bad, in addition, on
The burr that the marginal existence of the top surface opening of metal frame 2 ' can not be avoided completely, if optical film 4 ' is mobile relative to upper metal frame 2 ',
Then burr can scratch optical film 4 '.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of backlight and liquid crystal display module.Should
The bottom surface of the lower metal frame of backlight is provided with some bending structures in one end close to the light emitting source, the bending structure from
The bottom surface of the lower metal frame limits the light guide plate and moved to the light emitting source direction to 90 ° of the light guide plate infolding, it is to avoid
Backlight is under motion state, and the light guide plate collides with light emitting source and damages light emitting source.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of backlight, includes the upper metal frame and lower metal frame of mutual cooperation, and the top surface of the upper metal frame, which has, to be opened
Mouthful；Be provided with light guide plate in the upper metal frame and lower metal frame, the incidence surface of the light guide plate is provided with light emitting source, it is described under
The bottom surface of metal frame sets some bending structures of oriented 90 ° of the light guide plate infolding in one end close to the light emitting source.
Further, an at least optical film, the top surface four of the upper metal frame are provided with the exiting surface of the light guide plate
At least side in side and it is provided with isolated material between the optical film of top.
Further, the hardness of the isolated material is less than the hardness of the optical film of top.
Further, the isolated material is diaphragm, sponge, pad adhesive tape, silica gel strip.
Further, at least side in the side of top surface four of the upper metal frame is provided with an at least strip groove.
Further, at least side in the side of top surface four of the upper metal frame is provided with inside 180 ° of foldable structure.
Further, side of the light guide plate away from exiting surface is provided with reflector plate.
Further, its excess-three end of the reflector plate in addition to close to described light emitting source one end pastes the light guide plate phase
On corresponding side.
Further, it is provided with double-sided adhesive on the top surface of the upper metal frame.
A kind of liquid crystal display module, including above-mentioned backlight.
The utility model has the advantages that：The bending structure of the lower metal frame of the backlight can limit described lead
Tabula rasa is moved to the light emitting source direction, it is to avoid backlight under motion state, the light guide plate and light emitting source collide and
Damage light emitting source；Isolated material prevents described a certain distance is kept apart between the top surface and optical film of the upper metal frame
Upper metal frame is directly contacted with optical film, and provides certain supporting role for the upper metal frame；Strip groove strengthens institute
The intensity of the top surface of metal frame is stated, prevents that the burr of the top surface edge of opening of the upper metal frame from causing to scrape to the optical film
Wound, and prevent that the top surface of the upper metal frame from sinking because of the weight of itself, deforming and weighing the optical film wounded.
Brief description of the drawings
Fig. 1 is the structural representation of the backlight of prior art；
The structural representation for the backlight that Fig. 2 provides for the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in Fig. 2 a kind of backlight, includes the upper metal frame 2 and lower metal frame 1 of mutual cooperation, the upper metal frame 2
Top surface there is opening；Light guide plate 3 is provided with the upper metal frame 2 and lower metal frame 1, the incidence surface of the light guide plate 3 is set
Light emitting source is equipped with, the bottom surface of the lower metal frame 1 sets the oriented infolding of light guide plate 3 in one end close to the light emitting source
90 ° of some bending structures 11.
The bottom surface of the lower metal frame 1 of the backlight is provided with some bending structures 11 in one end close to the light emitting source,
The bending structure 11 limits the light guide plate 3 to described from the bottom surface of the lower metal frame 1 to 90 ° of 3 infolding of light guide plate
Move in light emitting source direction, it is to avoid backlight is under motion state, and the light guide plate 3 collides with light emitting source and damages luminous
Source.
The light emitting source includes wiring board 9 and some luminescent devices 8 being located on the wiring board 9, and the wiring board 9 glues
On the side for being attached to the lower metal frame 1, the wiring board 9 is PCB or FPC, and the luminescent device 8 is preferably LED；If described
Dry bending structure 11 is arranged on the interval region between LED.
It is provided with the exiting surface of the light guide plate 3 in an at least optical film 4, the side of top surface four of the upper metal frame 2
At least isolated material 5 is provided between the optical film 4 of side and top.
The backlight sets isolated material 5 on described between the top surface of metal frame 2 and optical film 4, the upper metal
Keep apart a certain distance between the top surface and optical film 4 of frame 2, prevent the burr of the top surface edge of opening of the upper metal frame 2
Scratch is caused to the optical film 4, and the isolated material 5 can provide certain supporting role, prevent the upper metal
The top surface of frame 2 sinks because of the weight of itself, deformed and weighs the optical film 4 wounded.
In the present embodiment, diffusion barrier, lower bright enhancement film and upper bright enhancement film are disposed with the exiting surface of the light guide plate 3,
The isolated material 5 is arranged between the upper bright enhancement film and the top surface of upper metal frame 2, certainly, the type of the optical film 4 and
Quantity should according to the actual requirements depending on, should not be as limit.
The hardness of the isolated material 5 be less than top optical film 4 hardness, can for diaphragm, sponge, pad adhesive tape,
The materials such as silica gel strip, the inner side of the top surface of the upper metal frame 2 is pasted by double faced adhesive tape or glue etc., and it is towards the light
The side for learning film 4 is preferably inviscid.
At least side in the side of top surface four of the upper metal frame 2 is provided with an at least strip groove 21, the present embodiment,
The top surface of the upper and lower ends of the upper metal frame 2 is provided with strip groove 21, wherein the top close to the side of the light emitting source
Face is provided with two strip grooves 21, and the top surface of the side away from the light emitting source is provided with a strip groove 21, still, institute
State strip groove 21 quantity should according to the side of top surface four of the upper metal frame 2 reserve space and actual demand depending on, should
As limit；The strip groove 21 preferably support or oppose light source internal depression.
The strip groove 21 is used as the skeleton of the upper metal frame 2, can play a part of similar reinforcement, strengthens institute
The intensity of the top surface of metal frame 2 is stated, prevents that the top surface of the upper metal frame 2 from sinking because of the weight of itself, deforming and weighing wounded
The optical film 4；The thickness of the isolated material 5 should be greater than the maximum cup depth of the strip groove 21, it is ensured that the length
Bar groove 21 will not touch optical film 4.
At least side in the side of top surface four of the upper metal frame 2 is provided with inside 180 ° of foldable structure 22, increases institute
State the intensity of the top surface edge of opening of metal frame 2, it is to avoid the top surface edge of opening deformation of the upper metal frame 2.
The side of the light guide plate 3 away from exiting surface is provided with reflector plate 7, and the reflector plate 7 is removed close to the light emitting source
Its excess-three end outside one end is pasted on the corresponding side of the light guide plate 3, with the fixed light guide plate 3 and reflector plate 7 it
Between relative position and prevent the side light leakage problem of the light guide plate 3.
Double-sided adhesive 6 is provided with the top surface of the upper metal frame, for pasting display panel.
Embodiment two
A kind of liquid crystal display module, including the backlight described in embodiment one.
Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as using equivalent or the form of equivalent transformation institute
The technical scheme of acquisition, all should fall within protection domain of the present utility model.
Claims (10)
1. a kind of backlight, includes the upper metal frame and lower metal frame of mutual cooperation, the top surface of the upper metal frame has opening；
Light guide plate is provided with the upper metal frame and lower metal frame, the incidence surface of the light guide plate is provided with light emitting source, and its feature exists
In the bottom surface of the lower metal frame sets some curved of oriented 90 ° of the light guide plate infolding in one end close to the light emitting source
Folded structure.
2. backlight according to claim 1, it is characterised in that an at least light is provided with the exiting surface of the light guide plate
Learn and be provided with isolated material between at least side in film, the side of top surface four of the upper metal frame and the optical film of top.
3. backlight according to claim 2, it is characterised in that the hardness of the isolated material is less than the optics of top
The hardness of film.
4. backlight according to claim 3, it is characterised in that the isolated material is diaphragm, sponge, pad adhesive tape, silicon
Adhesive tape.
5. backlight according to claim 1, it is characterised in that at least side in the side of top surface four of the upper metal frame
It is provided with an at least strip groove.
6. backlight according to claim 1, it is characterised in that at least side in the side of top surface four of the upper metal frame
It is provided with inside 180 ° of foldable structure.
7. backlight according to claim 1, it is characterised in that side of the light guide plate away from exiting surface is provided with instead
Penetrate piece.
8. backlight according to claim 7, it is characterised in that the reflector plate is in addition to close to described light emitting source one end
Its excess-three end is pasted on the corresponding side of the light guide plate.
9. backlight according to claim 1, it is characterised in that be provided with double-sided adhesive on the top surface of the upper metal frame.
10. a kind of liquid crystal display module, it is characterised in that including any described backlight in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438151.6U CN206321917U (en) | 2016-12-26 | 2016-12-26 | A kind of backlight and liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438151.6U CN206321917U (en) | 2016-12-26 | 2016-12-26 | A kind of backlight and liquid crystal display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321917U true CN206321917U (en) | 2017-07-11 |
Family
ID=59259551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621438151.6U Active CN206321917U (en) | 2016-12-26 | 2016-12-26 | A kind of backlight and liquid crystal display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206321917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027105A1 (en) * | 2019-08-14 | 2021-02-18 | 武汉华星光电技术有限公司 | Backlight module and display panel |
-
2016
- 2016-12-26 CN CN201621438151.6U patent/CN206321917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027105A1 (en) * | 2019-08-14 | 2021-02-18 | 武汉华星光电技术有限公司 | Backlight module and display panel |
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