CN202158512U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN202158512U CN202158512U CN2011202842716U CN201120284271U CN202158512U CN 202158512 U CN202158512 U CN 202158512U CN 2011202842716 U CN2011202842716 U CN 2011202842716U CN 201120284271 U CN201120284271 U CN 201120284271U CN 202158512 U CN202158512 U CN 202158512U
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- Prior art keywords
- lug
- piece
- module backlight
- shading
- backboard
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Abstract
The utility model discloses a backlight module which solves the problem of bright specks at the locating position of a membrane owning to a brightening effect of the membrane. The backlight module at least comprises a back plate and an optical membrane, wherein the optical membrane is arranged on the back plate through a locating device, and a light shading part is arranged at the locating position of the optical membrane and the back plate. The locating device comprises at least one convex lug arranged at the periphery of the optical membrane, and a flanging arranged on the back plate and corresponding to the position of the convex lug, wherein the convex lug is buckled with the flanging; and the light shading part is arranged on the convex lug. In the utility model, a light shading adhesive tape is adopted to be adhered at the position of the convex lug or a grooving position of the side of the membrane in a profiling way so as to effectively solve the problem of the bright specks at the locating position of the membrane owning to the brightening effect of the membrane.
Description
Technical field
The utility model relates to the backlight field, relates in particular to a kind of module backlight that solves the speck problem.
Background technology
In the present module backlight; Blooming piece adopts rivet post or lug type structure location more; Because the blast effect of blooming piece can cause the speck effect of module backlight in rivet post or diaphragm lug position under this locate mode, this problem does not have good settling mode in industry.
In existing C CFL and LED LCD backlight module, it is fixing to articulate mode through the rivet post to be illustrated in figure 1 as diaphragm.The rivet post is fixed on the backboard, and keeps level with blooming piece, blooming piece avris fluting, fluting and rivet post matching and fixing.
Being illustrated in figure 2 as diaphragm is articulated on the backboard with the lug mode.Said diaphragm avris is provided with lug, and said backboard is provided with flange, and lug engages with the flange cooperation.
More than two kinds of diaphragm locate modes, all be prone to after liquid crystal display lights, the speck problem appears in the place in the diaphragm location, causes subjective bad.
The utility model content
To the problems referred to above, the purpose of the utility model is to provide a kind of module backlight, can solve place, diaphragm location because the speck problem that diaphragm blast effect causes.
For achieving the above object, the said a kind of module backlight of the utility model comprises backboard and blooming piece at least, and said blooming piece is arranged on the said backboard through positioner, is provided with shading piece at said blooming piece and place, said backboard location.
Preferably, said positioner comprises: be arranged at least one lug on the said blooming piece periphery, and be arranged on the said backboard and the position of corresponding said lug is provided with flange, said lug and flange fasten; Said shading piece is arranged on the said lug.
Preferably, said positioner comprises: be arranged at least one the rivet post on the said backboard, and be arranged on said blooming piece periphery and the suitable fluting of said rivet post; Said shading piece is arranged on the fluting place on the said blooming piece.
Preferably, the size of said shading piece and said lug is big or small identical.
Preferably, said lug and shading piece are trapezoidal.
Preferably, the length of said lug is 1cm-2cm.
Preferably, the diameter of said rivet post is 2.8-3.0mm.
Preferably, said shading piece is a concave shape, and the recess size is identical with said fluting size.
Preferably, said shading piece outer side edges is 0.1mm-0.2mm with the distance on corresponding recess limit.
Preferably, said shading piece is a shading rubber belt.
The beneficial effect of the utility model is:
Adopt the shading rubber belt profiling to be attached at lug position or diaphragm avris slotting position, efficiently solve place, the diaphragm location speck problem that effect causes because diaphragm adds lustre to.
Description of drawings
Fig. 1 is the sketch map of a kind of positioning film in the prior art;
Fig. 2 is the sketch map of another kind of positioning film in the prior art;
Fig. 3 is the described module part sketch map backlight of the utility model first embodiment;
Fig. 4 is the described module part sketch map backlight of the utility model second embodiment.
The specific embodiment
Below in conjunction with Figure of description the utility model is done further description.
Shown in Fig. 3-4, the said a kind of module backlight of the utility model embodiment comprises backboard 1 and blooming piece 2 at least, and said blooming piece 2 is arranged on the said backboard 1 through positioner, is provided with shading piece 3 at said blooming piece 2 with place, said backboard 1 location.
After liquid crystal display is lighted, because the brightening effect of blooming piece can make place, blooming piece position location speck occur.The brightness of locating in the position location of blooming piece in fact inevitably can be higher than the brightness of other parts.For this reason, need the brightness and the peripheral brightness at this place, position location are in harmonious proportion evenly.
Be illustrated in figure 3 as embodiment 1 described module backlight, wherein;
In this module backlight, said blooming piece 2 is arranged on the said backboard 1 through positioner.Said positioner comprises: be arranged at least one the rivet post 4 on the said backboard 1, and be arranged on the suitable fluting 5 of said blooming piece 2 peripheries and said rivet post 4; Said shading piece 3 is arranged on the fluting place on the said blooming piece 2.The position location locates why brightness is high, is because the fluting of blooming piece can bring light leakage phenomena, causes the brightness of fluting near zone to increase.Fluting place at blooming piece adds shading piece, makes the brightness of fluting near zone and the brightness in zone, unslotted place rationally be in harmonious proportion, and accomplishes that overall region brightness is good.
As further describing of embodiment 1, said rivet post is fixed on the backboard, and with blooming piece level or vertical with blooming piece.LCD develops to frivolous direction at present; From the consideration on the inner body assembly space, it is little to need parts to take up room to this, and the diameter of said for this reason rivet post can be 2.8-3.0mm; Can be well in this scope fixing diaphragm, can satisfy frivolous theory again.
As the description further of embodiment 1, said shading piece is a concave shape, and the recess size is identical with said fluting size.Because the influence area of speck is not very big, so if shading piece is excessive, can make that sticking area is excessive, will certainly cause lightproof area excessive, makes light source effectively to be in harmonious proportion, and causes some position dim spot to occur, cause subjective bad.Said for this reason shading piece outer side edges is 0.1mm-0.2mm with the distance on corresponding recess limit.Can guarantee that in this scope light is in harmonious proportion evenly, can prevent dim spot again.
As further describing again of embodiment 1; Because LCD develops to frivolous direction; In order to satisfy its frivolous theory, so that shading piece is difficult for taking up room is excessive, promptly said shading piece can be shading rubber belt (but not getting rid of other shading objects); Shape according to fluting is carried out contoured design, reaches reasonable effect.
Be illustrated in figure 4 as embodiment 2 described modules backlight, wherein;
In this module backlight, said blooming piece 2 is arranged on the said backboard 1 through positioner.Said positioner comprises: be arranged at least one lug 6 on said blooming piece 2 peripheries, and be arranged on the said backboard 1 and the position of corresponding said lug 6 is provided with flange 7, said lug 6 fastens with flange 7; Said shading piece 3 is arranged on the said lug 6.The position location locates why brightness is high, is because the lug of blooming piece and the contact point of backboard can bring light leakage phenomena, causes the brightness of lug near zone to increase.Lug place at blooming piece adds shading piece, makes the brightness of lug near zone and the brightness that is not provided with the zone of lug rationally be in harmonious proportion, and accomplishes that overall region brightness is good.
As the description further of embodiment 2, said blooming piece is neat except other parts of lug and frame, then only needs ledge portion covered to accomplish shaded effect.The size of said shading piece and said lug is big or small identical for this reason.
According to the size and the inner space size of LCD, can design the length of lug.The length of ordinary circumstance lug is within the 1cm-2cm scope.Said lug can be designed to different shapes as required in design, said lug is trapezoidal or rectangle, and shading piece need be attached on the lug, so need and the onesize and same shape of lug maintenance.
As further describing again of embodiment 2; Because LCD develops to frivolous direction; In order to satisfy its frivolous theory, so that shading piece is difficult for taking up room is excessive, promptly said shading piece can be shading rubber belt (but not getting rid of other shading objects); Shape according to lug is carried out contoured design, reaches reasonable effect.
More than; Be merely the preferred embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain that claim was defined.
Claims (10)
1. a module backlight comprises backboard and blooming piece at least, and said blooming piece is arranged on the said backboard through positioner, it is characterized in that, is provided with shading piece at said blooming piece and place, said backboard location.
2. module backlight according to claim 1; It is characterized in that; Said positioner comprises: be arranged at least one lug on the said blooming piece periphery, and be arranged on the said backboard and the position of corresponding said lug is provided with flange, said lug and flange fasten; Said shading piece is arranged on the said lug.
3. module backlight according to claim 1 is characterized in that, said positioner comprises: be arranged at least one the rivet post on the said backboard, and be arranged on said blooming piece periphery and the suitable fluting of said rivet post; Said shading piece is arranged on the fluting place on the said blooming piece.
4. module backlight according to claim 2 is characterized in that, the size of said shading piece is big or small identical with said lug.
5. module backlight according to claim 4 is characterized in that said lug and shading piece are trapezoidal.
6. module backlight according to claim 5 is characterized in that, the length of said lug is 1cm-2cm.
7. module backlight according to claim 3 is characterized in that, the diameter of said rivet post is 2.8-3.0mm.
8. module backlight according to claim 3 is characterized in that, said shading piece is a concave shape, and the recess size is identical with said fluting size.
9. module backlight according to claim 8 is characterized in that, said shading piece outer side edges is 0.1mm-0.2mm with the distance on corresponding recess limit.
10. module backlight according to claim 1 is characterized in that, said shading piece is a shading rubber belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202842716U CN202158512U (en) | 2011-08-05 | 2011-08-05 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202842716U CN202158512U (en) | 2011-08-05 | 2011-08-05 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158512U true CN202158512U (en) | 2012-03-07 |
Family
ID=45766152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202842716U Expired - Fee Related CN202158512U (en) | 2011-08-05 | 2011-08-05 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017098A (en) * | 2012-10-10 | 2013-04-03 | 青岛海信电器股份有限公司 | Membrane positioning structure, backlight module and display device |
-
2011
- 2011-08-05 CN CN2011202842716U patent/CN202158512U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017098A (en) * | 2012-10-10 | 2013-04-03 | 青岛海信电器股份有限公司 | Membrane positioning structure, backlight module and display device |
| CN103017098B (en) * | 2012-10-10 | 2014-10-29 | 青岛海信电器股份有限公司 | Membrane positioning structure, backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20200805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |