CN205003418U - Backlight module and interval post thereof - Google Patents
Backlight module and interval post thereof Download PDFInfo
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- CN205003418U CN205003418U CN201520796568.9U CN201520796568U CN205003418U CN 205003418 U CN205003418 U CN 205003418U CN 201520796568 U CN201520796568 U CN 201520796568U CN 205003418 U CN205003418 U CN 205003418U
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- spliced eye
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- locating slot
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Abstract
The utility model provides a backlight module, its includes a light source module, a leaded light unit and a plurality of intervals post, this interval post include a support piece and a mounting, this support piece top butt in this leaded light unit, and a socket columns who radially suddenly establishes two slice at least fins is stretched out to the bottom surface, and this socket columns below is equipped with a catching groove and a contact jaw in addition. This mounting has a spliced eye of pegging graft with this socket columns, and this spliced eye bottom surface periphery extends at least two calvuss that insert in this light source module, a jut that has a pothook is suddenly established separately to the calvus inner wall, form between the calvus at least two radial communicate in this spliced eye and with the first constant head tank that the fin was pegged graft, the calvus is radial expansion and buckle in this diaphragm orifice, to be made this contact jaw of jut cladding, and this catching groove lock joint in the pothook, when to this support piece axial plug, this contact jaw breaks away from with this catching groove separately the jut reaches the pothook makes the flange with the diapire of first constant head tank is as backstop.
Description
Technical field
This case is relevant a kind of backlight module, espespecially a kind of spacer being used for this backlight module, and by the setting that this interval is lived, makes to keep a preset distance between the light source cell of this backlight module and light element.
Background technology
Backlight module is one of key part and component of liquid crystal display.Because liquid crystal panel itself does not have luminous ability, and namely the function of backlight module is well-off brightness and the light source be evenly distributed, and makes the normal show image of this liquid crystal display energy.
Current liquid crystal display has been widely used in the electronic products such as monitor, notebook computer, digital camera and projector.In general, provide the liquid crystal display of display frame purposes, its backlight module can comprise a light element usually, such as diffusion sheet, blooming piece, and a light emitting module.Separately with regard to light emitting module speech, traditional cold-cathode tube (CCFL) light source is replaced as light emitting diode (LED) light source compared with power saving.
This light element for guide this light source module produce the scattering direction of light, the pointolite in this backlight module or line source are converted to area source and be supplied to the display panel be configured at above this backlight module.For making to keep a preset distance between this light emitting module and this light element, therefore, be provided with multiple spacer between the two.
As shown in Figure 1, be the sectional view of display light source module, light element and spacer.This light source module 1 comprises a circuit board 11 and multiple light source 12 being coupled to this circuit board 11 end face.This light element 2 comprises the overlapped diffusion sheet 21 of formation and at least one blooming piece 22, such as brightness enhancement film (BEF), upper diffusion sheet.And each spacer 3 has a pedestal 31, this pedestal 31 end face stretches out the strut 32 that is connected to this light element 2, the elastic clasp 33 of an arrow sagittal is then stretched out in bottom surface, this elastic clasp 33 can flexibly insert in the plate hole 13 of this circuit board 11 acquiescence, to form snapping location, each spacer 3 is fixedly arranged on this circuit board 11.
Aforementioned spacer 3 no doubt possesses and is combined fast with circuit board 11, makes the effect keeping a preset distance between this diffusion sheet 21 of described light source 12 and this light element 2.Only the significant shortcoming of this spacer 3 is, during to keep in repair this backlight module, a maintenance personal must compress this elastic clasp 33 by this circuit board 11 rear, after making this plate hole 13 of its retraction, in this circuit board 11 front, this spacer 3 is removed by another one maintenance personal again, make each spacer 3 be not same direction relative to the installation of this circuit board 11 and dismounting, except increasing the manpower of dismounting, and easily cause the situation of by mistake tearing open to occur, and urgently improve.
Utility model content
This case fundamental purpose is to provide a kind of backlight module, multiple spacer is provided with between its light source module and light element, such as, and the installation of each spacer and this light source module and dismounting are same direction, undertaken by the top of this light source module, therefore convenience when can increase operation.
Another object of this case is to provide a kind of spacer for backlight module, and the installation of the light source module of its and this backlight module is be same direction with dismounting, such as, undertaken by the top of this light source module, thus convenience when increase operates.
For reaching aforesaid object, the invention provides a kind of backlight module, it is characterized in that, it comprises:
One light source module, it comprises multiple light source being coupled to a board top surface, and this circuit board surface offers multiple plate hole;
One light element, it comprises the overlapped diffusion sheet of formation and at least one blooming piece; And
Multiple spacer, respectively this spacer comprises:
One support member, it has the pedestal that a top, bottom surface stretch out a strut and an inserting column respectively, this strut top has the abutment end that is connected to this diffusion sheet, this inserting column radial direction projects at least two panels fin, respectively this fin comprises spacer and that an inwall adjoins a hollow slots and is positioned at flange below this spacer, and this inserting column is respectively equipped with a catching groove and a contact jaw below described fin; And
One fixture, it axially has the spliced eye of one and this inserting column grafting, this spliced eye bottom surface periphery extends at least two panels and inserts calvus in this plate hole, described calvus inwall projects the jut that has a grab separately, and formed between described calvus at least two radial communication in this spliced eye and with the first locating slot of described fin grafting; Described calvus is radially expanded and is snapped in this plate hole, make described jut this contact jaw coated, and this catching groove is buckled in described grab, and the epimere of described spacer is positioned in described first locating slot, to form one second location kenel;
When axially plugging this support member, this contact jaw and this catching groove depart from described jut and described grab separately, make described flange using the diapire of described first locating slot as backstop, and the hypomere of described spacer is positioned in described first locating slot, to form one first location kenel.
Wherein this inserting column projects at least two panels minor flaps relative to the another radial direction of described fin, and this each minor flaps has an auxiliary positioning sheet; And between described calvus another formed at least two radial communication in this spliced eye and with the second locating slot of described minor flaps grafting; When being in this first location kenel, the epimere of described auxiliary positioning sheet is positioned in described second locating slot.
The quantity of wherein said fin and described minor flaps is respectively a pair, and adopts the setting of isogonism subtend.
Wherein this spliced eye end face opening is funnelform tilt port, and has a guide ramp below described flange.
Wherein this fixture end face offers a groove supplying this pedestal accommodating, and this groove is connected with this spliced eye.
Wherein this fixture bottom surface projects a fixing tenon, and the mortise for this fixing tenon grafting then offered by this circuit board.
The present invention also provides a kind of spacer for backlight module, and it is characterized in that, it comprises:
One support member, it has the pedestal that a top, bottom surface stretch out a strut and an inserting column respectively, this strut top has an abutment end, this inserting column radial direction projects at least two panels fin, respectively this fin comprises spacer and that an inwall adjoins a hollow slots and is positioned at flange below this spacer, and this inserting column is respectively equipped with a catching groove and a contact jaw below described fin; And
One fixture, it axially offers a spliced eye inserted for this inserting column, this spliced eye bottom surface periphery extends at least two panels calvus, form the first locating slot that at least two radial communication are inserted in this spliced eye and for described fin between described calvus, described calvus inwall projects the jut that has a grab separately;
When this inserting column and described fin insert in this spliced eye and described first locating slot respectively, described flange is using the diapire of described first locating slot as backstop, and the hypomere of described spacer is positioned in described first locating slot, to form one first location kenel; Another when this contact jaw is positioned at described jut, described calvus is radially expanded, and makes this catching groove be buckled in described grab, and the epimere of described spacer is located in described locating slot, to form the second location kenel.
Wherein this inserting column projects at least two panels minor flaps relative to the another radial direction of described fin, and this each minor flaps has an auxiliary positioning sheet; And between described calvus another formed at least two radial communication in this spliced eye and with the second locating slot of described minor flaps grafting; When being in this first location kenel, the epimere of described auxiliary positioning sheet is positioned in described second locating slot.
The quantity of wherein said fin and described minor flaps is respectively a pair, and adopts the setting of isogonism subtend.
Wherein this spliced eye end face opening is funnelform tilt port, and has a guide ramp below described flange.
Wherein this fixture end face offers a groove supplying this pedestal accommodating, and this groove is connected with this spliced eye.
Wherein this fixture bottom surface projects a fixing tenon.
The invention has the beneficial effects as follows, therefore convenience when can increase operation.
Accompanying drawing explanation
For disclosing the concrete technology contents of this case further, be described in detail as follows below in conjunction with embodiment and accompanying drawing, wherein:
Fig. 1 is the sectional view after backlight module and known spacings post group are stood;
Fig. 2 is the three-dimensional exploded view of this case spacer;
Fig. 3 is the three-dimensional exploded view at another visual angle of this case spacer, is wherein removed by one calvus for convenience of display;
Fig. 4 is the stereographic map that this case spacer forms the first location kenel;
The sectional view that Fig. 5 intercepts along line A-A for Fig. 4;
The sectional view that Fig. 6 intercepts along line B-B for Fig. 4;
Fig. 7 is that this case spacer is installed between light source module and light element to form the sectional view of the second location kenel;
Fig. 8 is the top view that this case spacer is installed on light source module;
The sectional view that Fig. 9 intercepts along line C-C for Fig. 8;
The sectional view that Figure 10 intercepts along line D-D for Fig. 8; And
Figure 11 is the stereographic map of this case spacer second embodiment.
Embodiment
First, refer to Fig. 7 and Fig. 8, substantially, this case backlight module comprises light source module 1, light element 2, and multiple spacer 4 be located between this light source module 1 and this light element 2.
This light source module 1 comprises a circuit board 11 and multiple light source 12 being coupled to this circuit board 11 end face, such as LED, and multiple plate hole 13 supplying spacer 4 intercalation and location is offered on this circuit board 11 surface.
This light element 2 comprises the overlapped diffusion sheet 21 of formation and at least one blooming piece 22, such as brightness enhancement film (BEF), upper diffusion sheet.
Wherein, this light source module 1 has identical structure and fuction with this light element 2 with those existing, does not intend repeating at this.
Refer to Fig. 2 and Fig. 3, each spacer 4 is plugged in a fixture 42 by a support member 41 to form.This support member 41 comprises a pedestal 411, this pedestal 411 end face stretches out a strut 412, as shown in the figure, this strut 412 is stretched out so that an angle of inclination is oblique by this pedestal 411 end face, and in top shape at angle, the inverted L-shaped abutment end 413 of such as 90-degree bending, so that the diffusion sheet 21 being connected to this light element 2.Wherein this strut 412 appearance is not with being limited shown in Fig. 2 and Fig. 3, as shown in figure 11, the appearance of this strut 412 second embodiment of display, can clear view go out by figure, strut 412 is the elongated taper shapes uprightly stretched out by this pedestal 411 end face, its top forms one can be connected to this light element 2, the circular arc abutment end 413 of such as diffusion sheet 21.
An inserting column 414 is then axially stretched out in this pedestal 41 bottom surface, this inserting column 414 radial direction projects at least two panels fin 415, this each fin 415 comprises an arc spacer 415a, when this spacer 415a defines fixing (the second location kenel) of this inserting column 414 relative to this fixture 42 and disengaging (first locates kenel) time distance, and the adjacent hollow slots 415b of its inwall, make this spacer 415a have the elasticity of radial expansion.Moreover, be provided with a flange 415c and below this spacer 415a and be positioned at guide ramp 415d below this flange 415c.
This inserting column 414 establishes an a catching groove 414a and contact jaw 414b in this to ring below fin 415, when this contact jaw 414b implements, such as, but be not limited to arc bottom it.
Especially, this inserting column 414 radial direction separately projects at least two panels minor flaps 416, this each minor flaps 416 comprises an arc auxiliary positioning sheet 416a, and this auxiliary positioning sheet 416a defines distance during disengaging (first location kenel) of this inserting column 414 relative to this fixture 42.In addition, in a preferred embodiment, the quantity of described fin 415 and described minor flaps 416 is respectively a pair, and adopts isogonism subtend and be set to good.
Fixture 42 is a disk body, its end face offers one can the groove 421 of this pedestal 411 accommodating, this groove 421 axially offers a spliced eye 422 inserted for this inserting column 414, this spliced eye 422 end face opening is good with funnelform tilt port 422a, and this spliced eye 422 bottom surface periphery extends at least two panels calvus 423, this at least forms the first locating slot 424a and the second locating slot 424b that at least two radial communication insert in this spliced eye 422 and for described fin 415 and described minor flaps 416 respectively between two panels calvus 423.As shown in the figure, four calvus 423 are axially stretched out and a pair first locating slot 424a being located between these four calvus 423 and a pair second locating slot 424b in spliced eye 422 bottom surface of this fixture 42.
Wherein, the hypomere of described calvus 423 is radially-inwardly to tilt for good, and inwall projects an arcuate apophyses portion 423a, and the appropriate location of this jut 423a, such as peak is then provided with a grab 423b.
Especially, the problem being installed in this circuit board 11 for avoiding this fixture 42 and rotating, therefore, this fixture 42 bottom surface projects a fixing tenon 425, the mortise 14 for this fixing tenon 425 grafting then separately offered by this circuit board 11, makes the unlikely rotation on this circuit board 11 of this fixture 42.
Referring again to Fig. 2 and Fig. 3, after ejection formation distinguished by this support member 41 and this fixture 42, manufacturing plant personnel can carry out the first location kenel operation of this spacer 4.
Refer to Fig. 4 to Fig. 6, during assembling, manufacturing plant personnel grip this support member 41, and by this inserting column 414, this aims at this spliced eye 422 to fin 415 and this respectively to minor flaps 416, this inserts the second locating slot 424b the first locating slot 424a and this, this is made to move down along the tilt port 422a of this spliced eye 422 separately the auxiliary positioning sheet 416a hypomere of minor flaps 416 the guide ramp 415d of fin 415 and this, and enter this separately to the first locating slot 424a and this is in the second locating slot 424b, until this is crossed the flange 415c of fin 415 and using this to the backstop of the diapire of the first locating slot 424a as upwards withdrawing, and this hypomere to the spacer 415a of fin 415 location, such as elasticity is connected to this in the first locating slot 424a (being shown in Fig. 5), this is then located the epimere of the auxiliary positioning sheet 416a of minor flaps 416, such as elasticity is connected to this in the second locating slot 424b (being shown in Fig. 6), this support member 41 and this fixture 42 are formed cannot depart from one first locates kenel, to transfer to assembling liquid crystal display factory to carry out the assembling of backlight module.
Wherein, this is arranged at this is the advantage in the second locating slot 424b minor flaps 416, what it can avoid this can occur in vertical direction fin 415 rocks, and then guarantees that this support member 41 and this fixture 42 are combined into the stability of the first location kenel.
Refer to Fig. 7 to Figure 10, liquid crystal display assembling factory obtains this and is in the first location kenel spacer 4, during for assembling, assembling factory personnel grip this spacer 4, and bottom is arranged in the plate hole 13 that columniform plural pieces calvus 423 aims on this circuit board 11 and inserts, if be separately provided with mortise 14 around this plate hole 13, then the fixing tenon 425 bottom this fixture 42 is inserted in this mortise 14, make whole the unlikely rotation of spacer 4.
Then, assembling factory personnel press this pedestal 411, this inserting column 414 is moved below this spliced eye 422, when contact jaw 414b bottom this inserting column 414 is positioned at the jut 423a of described calvus 423 inwall, the i.e. radial dilatation of described calvus 423, make described jut 423a this contact jaw coated 414b, until the catching groove 414a of this inserting column 414 is snapped in the grab 423b of described calvus 423, this fixture 42 is snapped on this circuit board 11 in the plate hole 13 selected (being shown in Fig. 9), and this epimere to the spacer 415a of fin 415 location, such as elasticity is connected to this in the first locating slot 424a (being shown in Figure 10), this spacer 4 is made to form one second location kenel of expansion pattern.
Finally, assembling factory personnel then sequentially install this diffusion sheet 21 and this at least one blooming piece 22 of this light element 2 at the abutment end 413 of described spacer 4 end face, make the setting by described spacer 4 between this light source module 1 and this light element 2, and keep a preset distance.
As for keeping in repair, when described spacer 4 must be removed from this circuit board 11, maintenance personal only must grip this support member 41 and axially pull up, the catching groove 414a of this inserting column 414 and contact jaw 414b is departed from the grab 423b of described calvus 423 and jut 423a respectively, until this is connected to this diapire to the first locating slot 424a to the flange 415c of fin 415, make this support member 41 axially cannot depart from this fixture 42, this hypomere to the spacer 415a of fin 415 is located, such as elasticity is connected to this in the first locating slot 424a (being shown in Fig. 5), and this epimere to the auxiliary positioning sheet 416a of minor flaps 416 location, such as elasticity is connected to this in the second locating slot 424b (being shown in Fig. 6).Now, described calvus 423 reverts back to cylindric kenel, so the described calvus 423 of this spacer 4 can detach by above the plate hole 13 of this circuit board 11 by maintenance personal like a cork.
So, via the enforcement of this case, effect of its gain is, the installation of this spacer and this light source module is same direction with removing, such as, undertaken by the top of this light source module, therefore only must singlely can carry out installing and removal action, therefore convenience when can increase operation, moreover, when this support member and this fixture are in the first location kenel, both cannot axially depart from, to avoid scattering and disappearing of assembly.Especially have into person, when this support member and this fixture are in the second location kenel, the described calvus of this fixture is incorporated on the circuit board of this light source module securely because of expansion, makes this spacer cannot axially depart from this circuit board, can be rated as the large good structure that ware is not seen before.
This case discloses, and is the one of preferred embodiment, the change of every local or modification and come from this case technological thought and be easy to by the people that has the knack of this skill to know by inference, the claim categories of all de-this cases.
Claims (12)
1. a backlight module, is characterized in that, it comprises:
One light source module, it comprises multiple light source being coupled to a board top surface, and this circuit board surface offers multiple plate hole;
One light element, it comprises the overlapped diffusion sheet of formation and at least one blooming piece; And
Multiple spacer, respectively this spacer comprises:
One support member, it has the pedestal that a top, bottom surface stretch out a strut and an inserting column respectively, this strut top has the abutment end that is connected to this diffusion sheet, this inserting column radial direction projects at least two panels fin, respectively this fin comprises spacer and that an inwall adjoins a hollow slots and is positioned at flange below this spacer, and this inserting column is respectively equipped with a catching groove and a contact jaw below described fin; And
One fixture, it axially has the spliced eye of one and this inserting column grafting, this spliced eye bottom surface periphery extends at least two panels and inserts calvus in this plate hole, described calvus inwall projects the jut that has a grab separately, and formed between described calvus at least two radial communication in this spliced eye and with the first locating slot of described fin grafting; Described calvus is radially expanded and is snapped in this plate hole, make described jut this contact jaw coated, and this catching groove is buckled in described grab, and the epimere of described spacer is positioned in described first locating slot, to form one second location kenel;
When axially plugging this support member, this contact jaw and this catching groove depart from described jut and described grab separately, make described flange using the diapire of described first locating slot as backstop, and the hypomere of described spacer is positioned in described first locating slot, to form one first location kenel.
2. backlight module as claimed in claim 1, it is characterized in that, wherein this inserting column projects at least two panels minor flaps relative to the another radial direction of described fin, and this each minor flaps has an auxiliary positioning sheet; And between described calvus another formed at least two radial communication in this spliced eye and with the second locating slot of described minor flaps grafting; When being in this first location kenel, the epimere of described auxiliary positioning sheet is positioned in described second locating slot.
3. backlight module as claimed in claim 2, it is characterized in that, the quantity of wherein said fin and described minor flaps is respectively a pair, and adopts the setting of isogonism subtend.
4. backlight module as claimed in claim 1, it is characterized in that, wherein this spliced eye end face opening is funnelform tilt port, and has a guide ramp below described flange.
5. backlight module as claimed in claim 1, is characterized in that, wherein this fixture end face offers a groove supplying this pedestal accommodating, and this groove is connected with this spliced eye.
6. backlight module as claimed in claim 1, is characterized in that, wherein this fixture bottom surface projects a fixing tenon, and the mortise for this fixing tenon grafting then offered by this circuit board.
7. for a spacer for backlight module, it is characterized in that, it comprises:
One support member, it has the pedestal that a top, bottom surface stretch out a strut and an inserting column respectively, this strut top has an abutment end, this inserting column radial direction projects at least two panels fin, respectively this fin comprises spacer and that an inwall adjoins a hollow slots and is positioned at flange below this spacer, and this inserting column is respectively equipped with a catching groove and a contact jaw below described fin; And
One fixture, it axially offers a spliced eye inserted for this inserting column, this spliced eye bottom surface periphery extends at least two panels calvus, form the first locating slot that at least two radial communication are inserted in this spliced eye and for described fin between described calvus, described calvus inwall projects the jut that has a grab separately;
When this inserting column and described fin insert in this spliced eye and described first locating slot respectively, described flange is using the diapire of described first locating slot as backstop, and the hypomere of described spacer is positioned in described first locating slot, to form one first location kenel; Another when this contact jaw is positioned at described jut, described calvus is radially expanded, and makes this catching groove be buckled in described grab, and the epimere of described spacer is located in described locating slot, to form the second location kenel.
8., as claimed in claim 7 for the spacer of backlight module, it is characterized in that, wherein this inserting column projects at least two panels minor flaps relative to the another radial direction of described fin, and this each minor flaps has an auxiliary positioning sheet; And between described calvus another formed at least two radial communication in this spliced eye and with the second locating slot of described minor flaps grafting; When being in this first location kenel, the epimere of described auxiliary positioning sheet is positioned in described second locating slot.
9. as claimed in claim 8 for the spacer of backlight module, it is characterized in that, the quantity of wherein said fin and described minor flaps is respectively a pair, and adopts the setting of isogonism subtend.
10., as claimed in claim 7 for the spacer of backlight module, it is characterized in that, wherein this spliced eye end face opening is funnelform tilt port, and has a guide ramp below described flange.
11., as claimed in claim 7 for the spacer of backlight module, is characterized in that, wherein this fixture end face offers a groove supplying this pedestal accommodating, and this groove is connected with this spliced eye.
12., as claimed in claim 7 for the spacer of backlight module, is characterized in that, wherein this fixture bottom surface projects a fixing tenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796568.9U CN205003418U (en) | 2015-10-15 | 2015-10-15 | Backlight module and interval post thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796568.9U CN205003418U (en) | 2015-10-15 | 2015-10-15 | Backlight module and interval post thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003418U true CN205003418U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520796568.9U Active CN205003418U (en) | 2015-10-15 | 2015-10-15 | Backlight module and interval post thereof |
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| Country | Link |
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| CN (1) | CN205003418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908188A (en) * | 2019-11-26 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
-
2015
- 2015-10-15 CN CN201520796568.9U patent/CN205003418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908188A (en) * | 2019-11-26 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
| CN110908188B (en) * | 2019-11-26 | 2022-11-08 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
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