CN209514252U - A kind of shell structure and backlight module of backlight module - Google Patents
A kind of shell structure and backlight module of backlight module Download PDFInfo
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- CN209514252U CN209514252U CN201920062880.3U CN201920062880U CN209514252U CN 209514252 U CN209514252 U CN 209514252U CN 201920062880 U CN201920062880 U CN 201920062880U CN 209514252 U CN209514252 U CN 209514252U
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- lower casing
- upper ledge
- backlight module
- diaphragm unit
- light guide
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Abstract
The utility model discloses a kind of shell structures of backlight module, and including the lower casing (1) and upper ledge (2) being installed together, described at least one side of upper ledge (2) is mounted on the inside of lower casing (1), and is supported on lower casing (1) bottom；It is provided with supporting table (11) in the position of the lower casing (1) bottom installation upper ledge (2), the upper ledge (2) is supported on supporting table (11).In addition a kind of backlight module including aforementioned shell structure is also disclosed in the utility model.The utility model is used as backlight.
Description
Technical field
The utility model relates to back light source technique fields, and in particular to a kind of shell of the stronger backlight module of load-bearing capacity
Structure and backlight module.
Background technique
Backlight module is a kind of area source, and setting provides backlight behind display for display, so that display is realized
Its display function.Backlight module also shows the support and installation of structure other than providing backlight function as liquid crystal module etc.
Structure, the liquid crystal module big especially for size, weight is big also have higher requirement for the enabling capabilities of backlight module.
But by the way of backlight module is generally connected on lower iron-clad using upper glue frame, liquid crystal module is supported in upper glue frame now, this
For kind structure due to there was only the clamping position connection of part between upper glue frame and lower iron-clad, enabling capabilities are weaker, exist and stay risk, and
Also have an impact to the outer dimension of product, be not able to satisfy liquid crystal module weight it is larger when load-bearing requirements.
Utility model content
The technical issues of the utility model solves is to provide a kind of soluble shell for the deficiency in background technique
Structure and backlight module.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of shell structure of backlight module, including
The lower casing and upper ledge being installed together, at least one side of the upper ledge is mounted on the inside of lower casing, and is supported on lower casing
Bottom；The position of lower casing bottom installation upper ledge is provided with supporting table, the upper ledge is supported in supporting table.
Further, the supporting table is beading.
Further, the upper ledge is moulding, and upper ledge is mounted on outside the side on the outside of lower casing and is connected with iron frame.
A kind of backlight module including aforementioned shell structure further includes reflector plate, light guide plate, diaphragm unit and side entering type lamp
Item, the side entering type lamp bar are arranged on the medial surface of lower casing, and the reflector plate, light guide plate and diaphragm unit are successively set on down
In shell, the upper ledge is arranged above diaphragm unit；The reflector plate is provided with side elevation, and the light guide plate and diaphragm unit are equal
It is Nian Jie with side elevation.
Further, the reflector plate has three sides to be provided with side elevation, wherein two adjacent side elevations and light guide plate and
Diaphragm unit bonding.
Further, the upper ledge back side is provided with soft rubber cushion, to compress light guide plate and diaphragm unit.
Further, the upper ledge front is provided with soft double-sided adhesive.
Further, the side entering type lamp bar has extension end, the extension end and side entering type lamp bar junction rounded corner.
Further, the extension end is fixed on lower casing, and two sides are bonded with protective glue.
Further, the diaphragm unit includes light-diffusing film and bright enhancement film.
The beneficial effect that the utility model shell structure is realized mainly has the following: by some or all of upper ledge side
It is mounted on the inside of lower casing 1, so as to so that it is supported on the bottom in lower casing 1, so that upper ledge has stronger load-bearing capacity, it is right
The bearing capacity of liquid crystal module is stronger, guarantees the qualification rate of product；By the way that supporting table is arranged on lower casing, upper ledge can be improved
Bearing capacity, namely improve the bearing capacity of entire backlight module.
The beneficial effect that the utility model backlight module is realized mainly has: side elevation is arranged in reflector plate, carrys out lightguide plate fixing
And diaphragm unit, structure is simple, and it is easy to assembly, convenient for the production and assembly of backlight module, the production efficiency of mould group can be provided.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of lower casing in the utility model embodiment one；
Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1；
Fig. 3 is the schematic perspective view of upper ledge in the utility model embodiment one；
Fig. 4 is the configuration schematic diagram of backlight module in embodiment two；
Fig. 5 is the reflecting piece of backlight module and the mounting structure schematic diagram of light guide plate in embodiment two；
Fig. 6 is the structural schematic diagram of the side entering type lamp bar of backlight module in embodiment two.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable；The same or similar label corresponds to same or similar
Component；The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, below in conjunction with attached drawing and embodiment to the utility model carry out into
One step detailed description.
Embodiment one
Refering to fig. 1 ~ 3, a kind of shell structure of backlight module is the support mounting structure of backlight module, for installing back
The components such as lamp bar, reflector plate, light guide plate, the diffusion sheet of optical mode group.Shell structure includes the lower casing 1 and upper ledge 2 being installed together,
Lower casing 1 and upper ledge 2 can be usually installed together in such a way that buckle structure clamping, screw are spirally connected.Lower casing 1 is usually arranged
There is bottom to be following, have side wall, upper opening of iron casing structure on four sides, for supporting lamp bar, reflector plate, light guide plate, diffusion sheet etc.
Component.Upper ledge 2 is a frame like structure, is pressed in reflector plate, light guide plate, the outer fix on diffusion sheet, with lower casing 1 it is fixed after will
The components such as reflector plate, light guide plate, diffusion sheet are fixed in lower casing 1, and upper ledge 2 generally uses glue frame.
Refering to fig. 1 ~ 3, described at least one side of upper ledge 2 is mounted on the inside of lower casing 1, and is supported on 1 bottom of lower casing
Portion, other sides are mounted on the outside of lower casing 1.For the backlight module of quadrangle, a side of upper ledge 2 can be installed
In the inside of lower casing 1, two, three or even four sides can also be mounted on to the inside of lower casing 1, used in the present embodiment upper
One side of frame is mounted on 2 inside of lower casing, remaining side is mounted on the form in 2 outside of lower casing.Due to by the part of upper ledge 2 or
Whole sides are mounted on 1 inside of lower casing, so as to so that it is supported on the bottom in lower casing 1, so that upper ledge 2 has stronger hold
Beijing South Maxpower Technology Co. Ltd's power, it is stronger to the bearing capacity of liquid crystal module, in addition it can also prevent outer frame from lying prone.
Referring to Fig.2, the transition position of bottom and side wall in lower casing 1 is fillet since lower casing 1 generally uses punch forming
Structure, upper ledge 2 can only be supported on uneven rounded structure when installation, and lower casing 1 is unstable to the support of upper ledge 2, influences
Installation of 2 side of frame in lower casing 1, is easy to produce abnormal sound and even results in the side of upper ledge 2 and collapse downwards.Therefore in the lower casing
The position of 1 bottom installation upper ledge 2 is provided with supporting table 11, and the upper ledge 2 is supported in supporting table 11, i.e. the bottom in lower casing 1
The supporting table of plane is set on the rounded structure of the transition position of portion and side wall, to support upper ledge 2.By the way that support is arranged on lower casing
Platform, can be improved the bearing capacity of upper ledge, namely improve the bearing capacity of entire backlight module.The supporting table 11 is preferably adopted
With rib structure, and multiple disconnected muscle points are set on the beading line of the corresponding bottom surface of lower casing 1, form multiple rib structures, more
Good support upper ledge 2 just shows the structure using eight beadings in Fig. 1.
Refering to Fig. 3, since upper ledge 2 generally uses the plastic parts of injection molding, intensity is lower, therefore in the outside of upper ledge 2
Iron frame 23 is set to reinforce, to further increase the load-bearing capacity of upper ledge.Iron frame 23 can be connected using the modes such as rabbeting, being spirally connected
It connects in 2 outside of upper ledge, preferably with the mode of clamping, this mode is easy for installation, production and assembly are easy.Generally pacify in upper ledge 2
Iron frame 23 is arranged in side mounted in 1 outside of lower casing, and the side for being mounted on 1 inside of lower casing does not have to setting.In the present embodiment
Except other the three side settings being mounted in lower casing 1 on upper ledge 2.
Embodiment two
Refering to Fig. 4 ~ 6, a kind of backlight module based on shell structure in embodiment one, including lower casing 1, reflector plate 3, leaded light
Plate 4, diaphragm unit 5, side entering type lamp bar 6 and upper ledge 2.The side entering type lamp bar 6 is arranged on the medial surface of lower casing 1, can adopt
It is bonded in heat-conducting glue on the medial surface of lower casing 1, light-emitting surface is towards light guide plate 4.The reflector plate 3, light guide plate 4 and diaphragm unit
5 are successively set in lower casing 1, and reflector plate 3 is adhesively fixed on the bottom surface in lower casing 1 by primer 31, and the diaphragm unit 5 wraps
Light-diffusing film 51 and bright enhancement film 52 are included, bright enhancement film 52 as needed can be set one or two.Upper ledge 2 is arranged in diaphragm unit 5
Top is simultaneously fixedly connected with lower casing 1, so that reflector plate 3, light guide plate 4 and diaphragm unit 5 are fixed on inside shell structure.
Refering to Fig. 4 and Fig. 5, the reflector plate 3 is provided with side elevation 33, and side elevation 33 is used to lightguide plate fixing 4 and diaphragm
The height of component 5, the side elevation 33 is consistent with the sum of the thickness of light guide plate 4 and diaphragm unit 5, leads to can fix just
Tabula rasa 4 and diaphragm unit 5.The specific light guide plate 4 and diaphragm unit 5 are Nian Jie with side elevation 33, and side glue 32 can be set
It is bonded light guide plate 4 and diaphragm unit 5, the width of side glue 32 is consistent with the height of side elevation 33.Above-mentioned primer 31 and side glue 32
Double-sided adhesive can be used.Side elevation 33 is arranged in reflector plate 3, comes lightguide plate fixing 4 and diaphragm unit 5, structure is simple, assembling side
Just, convenient for the production and assembly of backlight module, the production efficiency of mould group can be provided.
Refering to Fig. 5, the side elevation 33 can be outside light guide plate 4 in addition to other three Bian Junshe of 6 side of side entering type lamp bar
It sets, one or two side can also be only set.Preferably with such as under type, the reflector plate 3 has three sides to be provided with side elevation
33, wherein two adjacent side elevations 33 and light guide plate 4 and diaphragm unit 5 are Nian Jie by side glue 32, another side elevation not with
Light guide plate 4 and diaphragm unit 5 are fixed, i.e., there are two the free margins not being adhesively fixed, one is for light guide plate 4 and diaphragm unit 5
There is no the side elevation of viscose glue, the other is side entering type lamp bar side, is arranged the free margins of two non cohesive gels, it is ensured that in backlight
When mould group is in the extreme environments such as very hot extremely cold, vibration, light guide plate 4, diaphragm unit 5 and reflector plate 3 have latitude, keep away
Exempt from by stress damage.Side elevation 33 is set on tri- side a, b, c in Fig. 5, the side d is side entering type lamp bar, is not provided with side elevation.C avris
The height of facade is consistent with light guide plate, and not Nian Jie with light guide plate.A, the side elevation on the side b, height and light guide plate 4 and film
The sum of thickness of piece component 5 is consistent.
Refering to Fig. 4,2 back side of upper ledge is provided with soft rubber cushion 21, generally only in the whole circle of 2 back side of upper ledge setting one or every side
Erect set it is a plurality of, to compress light guide plate 4 and diaphragm unit 5.Soft rubber cushion 21 can use foam rubber.The 2 front setting of upper ledge
There is soft double-sided adhesive 22, for being bonded and supporting liquid crystal module.Soft double-sided adhesive 22 can use foam double-faced adhesive.In addition upper ledge
2 upper fronts also set up protective film 24, and for protecting soft double-sided adhesive 22 and diaphragm unit, protective film 24 is in assembling liquid crystal module
When remove.
Refering to Fig. 4 and Fig. 6, the side entering type lamp bar 6 has extension end 61, for connecting to power supply as lamp bar power supply.Institute
Rounded corner at extension end 61 and 6 junction e of side entering type lamp bar is stated, extension end 61 is by the extending port 12 on lower casing 1 when avoiding installing
Incised wound.When the extension end 61 is fixed on lower casing 1 by fixed glue 63, two sides are bonded with protective glue 62, stretch out to protect
End 61 is not damaged.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of shell structure of backlight module, it is characterised in that: described including the lower casing (1) and upper ledge (2) being installed together
Upper ledge (2) at least one side is mounted on the inside of lower casing (1), and is supported on lower casing (1) bottom；In the lower casing (1)
The position of bottom installation upper ledge (2) is provided with supporting table (11), and the upper ledge (2) is supported on supporting table (11).
2. the shell structure of backlight module according to claim 1, it is characterised in that: the supporting table (11) is beading.
3. the shell structure of backlight module according to claim 1, it is characterised in that: the upper ledge (2) is moulding, and
Upper ledge (2), which is mounted on outside the side on the outside of lower casing (1), is connected with iron frame (23).
4. the backlight module that one kind includes shell structure in any one of claim 1 ~ 3, it is characterised in that: further include reflector plate
(3), light guide plate (4), diaphragm unit (5) and side entering type lamp bar (6), inside of side entering type lamp bar (6) setting in lower casing (1)
On face, the reflector plate (3), light guide plate (4) and diaphragm unit (5) are successively set in lower casing (1), upper ledge (2) setting
Above diaphragm unit (5)；The reflector plate (3) is provided with side elevation (33), and the light guide plate (4) and diaphragm unit (5) are equal
It is Nian Jie with side elevation (33).
5. backlight module according to claim 4, it is characterised in that: the reflector plate (3) has three sides to be provided with side elevation
(33), wherein two adjacent side elevations (33) are Nian Jie with light guide plate (4) and diaphragm unit (5).
6. backlight module according to claim 4, it is characterised in that: upper ledge (2) back side is provided with soft rubber cushion (21),
To compress light guide plate (4) and diaphragm unit (5).
7. backlight module according to claim 6, it is characterised in that: upper ledge (2) front is provided with soft double-sided adhesive
(22).
8. backlight module according to claim 4, it is characterised in that: the side entering type lamp bar (6) has extension end (61),
The extension end (61) and side entering type lamp bar (6) junction rounded corner.
9. backlight module according to claim 8, it is characterised in that: the extension end (61) is fixed on lower casing (1), and
And two sides are bonded with protective glue (62).
10. according to the described in any item backlight modules of claim 5 ~ 9, it is characterised in that: the diaphragm unit (5) includes astigmatism
Film (51) and bright enhancement film (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062880.3U CN209514252U (en) | 2019-01-15 | 2019-01-15 | A kind of shell structure and backlight module of backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920062880.3U CN209514252U (en) | 2019-01-15 | 2019-01-15 | A kind of shell structure and backlight module of backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514252U true CN209514252U (en) | 2019-10-18 |
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ID=68200760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920062880.3U Active CN209514252U (en) | 2019-01-15 | 2019-01-15 | A kind of shell structure and backlight module of backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209514252U (en) |
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2019
- 2019-01-15 CN CN201920062880.3U patent/CN209514252U/en active Active
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