CN202328043U - Back board and backlight module - Google Patents
Back board and backlight module Download PDFInfo
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- CN202328043U CN202328043U CN2011204620151U CN201120462015U CN202328043U CN 202328043 U CN202328043 U CN 202328043U CN 2011204620151 U CN2011204620151 U CN 2011204620151U CN 201120462015 U CN201120462015 U CN 201120462015U CN 202328043 U CN202328043 U CN 202328043U
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- backboard
- bridge
- chute
- convex closure
- support
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- 230000015572 biosynthetic process Effects 0.000 claims description 58
- 238000005755 formation reaction Methods 0.000 claims description 58
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a back board and a backlight module. The back board comprises a framework formed from a plurality of supports and bridges arranged on the supports and used for fixing PCBs (Printed Circuit Boards), wherein the bridges can rotate in relative to fixing points between the bridges and the supports, and sliding slots or through holes for installing convex hulls are arranged on the bridges. Because the back board forms a framework structure through a plurality of supports, the manufacturing cost is relatively low, and a great amount of materials are saved. Meanwhile, the bridges can rotate in relative to the fixing points between the bridges and the supports, so that the positions of the convex hulls on the bridges can be adjusted, the demands of different sizes of PCBs are satisfied, and the generality of the back board is increased. Furthermore, the sliding slots for installing the convex hulls are arranged on the bridges, the convex hulls can be installed in corresponding positions in the sliding slots as required, transverse and vertical adjustments are further obtained, the convex hulls have more settable points, various types and sizes of PCBs can be adapted, and the generality is more superior.
Description
Technical field
The utility model relates to field of liquid crystal display, in particular, relates to a kind of backboard and module backlight.
Background technology
Liquid crystal module in the existing volume production is all used all-in-one-piece backboard.General metal stamping or the plastics injection system global formation of using makes product heavier, and the material cost of product is higher.The large scale product need use bigger pressing equipment, and cost is higher, and corresponding die size is very big, complex structure, and die cost is also very high.Be illustrated in figure 1 as existing a kind of back board structure sketch, this backboard is formed by the whole punching press of block of metal, and the while also stamps out the convex closure 80 that is used for fixing PCB on its plate face, and itself consumptive material is more, and weight is bigger, and process is also loaded down with trivial details.Fierceness day by day along with market competition; Effectively reduce design cost and become more and more important; Save the important directions that material cost and simplified assembling process become each designer's research, and on original whole back plate design development place hollow out or the design of splicing backboard, reduced cost to a certain extent; But splicing or hollow out backboard intensity descend, and then make being difficult for that fixing pcb board becomes on backboard originally.
Convex closure is to be arranged at the structure that is used for fixing assemblies such as pcb board on the backboard, and convex closure generally protrudes from backboard plate face, and pcb board locks part through screw or other and is fixed on the convex closure, and then avoids PCB directly to contact with backboard plate face and cause short circuit.Existing backboard as shown in Figure 1, the convex closure 80 on this backboard integrated punching when backboard is made takes shape on the backboard, and the position of the convex closure on the backboard 80 is fixed like this, is difficult to adapt to the pcb board of different size; While is for the PCB of different size, and the module backlight of different component count demands, needs die sinking again to make corresponding backboard; Pcb board to different size; Need die sinking to make new backboard, so its versatility is bad, and production cost in this case can be higher.
Summary of the invention
The utility model technical problem to be solved provides a kind of economical with materials and good backboard and the module backlight of versatility.
The purpose of the utility model realizes through following technical scheme: a kind of backboard; Said backboard comprises by a plurality of supports forms framework; And be arranged on the bridge formation that is used for fixing pcb board on the said support; Said bridge formation can be with respect to the fixing point rotation of itself and said support, and said bridge formation is provided with chute or the through hole that is used to install convex closure.
Preferably, said bridge formation is arranged in pairs on two adjacent or relative supports, and the stiff end of said bridge formation is connected on the support through the end hinge.General PCB locks through four angle points, thereby the setting in pairs of building bridge, to correspond to the angle point place of PCB.
Preferably, said pcb board supports through at least four bridge formations that are arranged on the said support.Utilize at least four fixedly PCB that build bridge, PCB is locked on backboard more reliably.
Preferably, the free end of two bridge formations of said paired setting connects through the afterbody hinge, and the spacing of said free-ended pin joint and said fixing point is adjustable.The bridge formation that free end connects can provide more firm support, and the spacing of the fixing point of its free-ended pin joint and stiff end is adjustable simultaneously, can not influence the alternative of bridge formation.
Preferably, the free end of two bridge formations of said paired setting is provided with link slot, and said afterbody hinge passes the link slot of said two bridge formations, and said afterbody hinge can slide in said link slot.Through offering link slot, the afterbody hinge is slided in link slot, thereby can realize the spacing adjustment of the fixing point of free-ended pin joint and stiff end, and can not influence the rotation of bridge formation at free end.
Preferably, the free end of two bridge formations of said paired setting is provided with link slot, and the stiff end of said paired setting also is provided with translot, and said end hinge and said afterbody hinge all can slide in said link slot.Two ends all are provided with groove, make the hinge at two ends in groove, to slide, thereby can adjust the convex closure on the bridge formation at horizontal and vertical both direction, thereby make the moving area of convex closure bigger, make that the versatility of backboard is better.
Preferably, the chute of said two bridge formations extends to its free end end, and said afterbody hinge passes said chute.Utilize the prolongation of chute to replace link slot, thereby convenient processing is enhanced productivity.
Preferably, the chute of said two bridge formations extends to its free end end and stiff end end, and said afterbody hinge passes said chute.Utilize the prolongation of chute to replace link slot and translot, thereby convenient processing is enhanced productivity.
Preferably, be connected through screw between said bridge formation and the said support.Can be after locking PCB, with screw lock, so that build bridge no longer rotation or slip improve its reliability.
Preferably, be connected through rivet between said bridge formation and the support.The hinge reliability that rivet is connected to form is higher, and more convenient setting.
A kind of module backlight comprises backboard, pcb board and is used for pcb board is fixed to the part that locks on the said backboard; Said backboard comprises by a plurality of supports forms framework; And be arranged on the bridge formation that is used for fixing pcb board on the said support; Said bridge formation can be with respect to the fixing point rotation of itself and said support; Said bridge formation is provided with chute or the through hole that is used to install convex closure, and the said part that locks is installed on said chute or the through hole, and said PCB locks on the backboard through the said part that locks.
The utility model is owing to forms frame structure with backboard by a plurality of supports, on framework, is provided for installing the bridge formation of assembly such as PCB, and support and bridge formation can use general profiled member to combine, and manufacturing cost is lower, and has practiced thrift wide variety of materials; Simultaneously, bridge formation can be with respect to the fixing point rotation of itself and support, thereby makes the convex closure on building bridge can adjust its position, and then satisfies the needs of the PCB of different size, improves the versatility of backboard; Further; Bridge formation is provided with the chute that is used to install convex closure; Convex closure can be installed in the relevant position in the chute as required, and then obtains horizontal and vertical adjustment, makes that the be provided with point of convex closure is more; Thereby can be adapted to the PCB of the size of more kinds of types, make its versatility more superior.
Description of drawings
Fig. 1 is the structure diagram of existing backboard,
Fig. 2 is first kind of embodiment of the utility model,
Fig. 3 is the partial enlarged drawing of A among Fig. 2,
Fig. 4 is the trajectory analysis figure of the convex closure of first kind of embodiment of the utility model,
Fig. 5 is the another kind of version of first kind of embodiment of the utility model,
Fig. 6 is the third version of first kind of embodiment of the utility model,
Fig. 7 is second kind of embodiment of the utility model,
Fig. 8 is the trajectory analysis figure of second kind of embodiment convex closure of the utility model,
Fig. 9 is the another kind of version of second kind of embodiment of the utility model,
Figure 10 is the third version of second kind of embodiment of the utility model,
Figure 11 is the structure diagram of a kind of convex closure among the utility model embodiment,
Convex closure among Figure 12 the utility model embodiment locks the structural representation of PCB,
Figure 13 is the structure diagram of the another kind of convex closure of the utility model embodiment, and Figure 14 is the structural representation that the another kind of convex closure among the utility model embodiment locks PCB, and Figure 15 is the structure diagram of the third convex closure among the utility model embodiment.
Wherein: 1, backboard, 100, framework, 111, upper bracket, 112, right support, 113, lower carriage; 114, left socle, 115, center bearing bracket, 120, build bridge, 121, chute, 122, through hole 124, end hinge; 125, afterbody hinge, 126, translot is installed, 127, link slot, 800, convex closure; 810, screwed hole, 811, screw, 820, rivet, 300, PCB.
The specific embodiment
The utility model is real to provide a kind of liquid crystal indicator, comprises liquid crystal panel and module backlight, and said module backlight bottom is provided with backboard.Backboard comprises the framework of being made up of many supports, and framework is provided with a plurality of bridge formations.As shown in Figure 2; Said support comprises end to end upper bracket 111, lower carriage 113, left socle 114, right support 112; The big frame of forming whole back plate, the big frame the inside also is provided with two intermediate supports 115, and the two ends of intermediate support 115 are separately fixed at upper and lower two above the support.Be provided with a plurality of bridge formations on each support and between two supports, bridge formation 120 can be used for fixing the assembly of pcb board and other module backlight.Said bridge formation can be with respect to the rotation of the fixing point between itself and the support, builds bridge 120 to be provided with the convex closure 800 that is used to lock PCB, and is used to install the chute or the through hole of said convex closure.
To this scheme, the preferred embodiment that chute is set on the bridge formation of the utility model through following backboard further specifies:
Be illustrated in figure 2 as first kind of embodiment of the utility model; Be illustrated in figure 3 as the enlarged drawing at A place among Fig. 2; Be provided with four bridge formations that are oppositely arranged 120 altogether on center bearing bracket 115 and the right support 112; 120 the stiff end of building bridge is connected with right support 112 with center bearing bracket 115 respectively through end hinge 124, and like this, bridge formation 120 can rotate with respect to the fixing point (being end hinge 124) on itself and the support.Bridge formation 120 is provided with chute 121, and the convex closure 800 that exists as independent part is installed on chute 121, and convex closure 800 can be arranged on the relevant position on the chute 121 as required.Be illustrated in figure 4 as the analysis of the removable position of convex closure 800, the dash area shown in the figure (being the oblique line filling part) can moving area for convex closure 800.That is to say; Cooperate building bridge 120 rotation and convex closures 800 itself can moving at chute 121; The be provided with position of convex closure 800 will be the dash area zone shown in the figure, like this, and according to the PCB of different size; The position of rotation of corresponding bridge formation 120 is set, the length of chute 121 makes dash area cover locking a little of multiple PCB, thereby makes backboard can be adapted to the PCB of multiple size.
In addition, in order to improve the support strength of bridge formation, need the free end of two relative bridge formations be coupled together, and link slot is set is used to install hinge, still can rotate so that build bridge.As shown in Figure 5, processing for ease in processing chute 121, is extended the length of chute 121, makes chute 121 replace the function of link slot.
Certainly; The end hinge of stiff end also can be provided with corresponding installation translot so that build bridge and can slide with respect to the end hinge; Certainly, shown in translot is installed also can be added and together process man-hour at chute, and chute replaces the function of translot; As shown in Figure 6, chute 121 has extended to the junction of stiff end.
Be illustrated in figure 7 as second kind of embodiment of the utility model; Different with embodiment one is: what be provided with on 120 is through hole 122 building bridge; And the convex closure 800 that exists as independent part is installed on through hole 122, convex closure 800 can be arranged on the through hole 122 of corresponding position as required.Be illustrated in figure 8 as the analysis of the removable position of convex closure 800; Circular arc line R representes the removable track of convex closure 800 in the 122 last times of through hole of a certain position among the figure; Circular arc line R1 representes the removable track of convex closure 800 in the 122 last times of through hole of another position; In like manner, convex closure 800 was in the 122 last times of through hole of different positions, with producing different removable tracks.Like this; Through on bridge formation 120, through hole 122 being set; Also can obtain the bigger removable track of convex closure 800, that is to say, according to the PCB of different size; The position of rotation of corresponding bridge formation 120 is set, the position and the quantity of through hole 122 makes the removable track of convex closure 800 cover locking a little of multiple PCB, thereby makes backboard can be adapted to the PCB of multiple size.
As shown in Figure 9, the same with embodiment two, in order to improve 120 the support strength of building bridge, need the free end of two relative bridge formations 120 be coupled together, and link slot 127 is set is used to install afterbody hinge 125, still can rotate so that build bridge.Shown in figure 10, the end hinge 124 of stiff end also can be provided with corresponding installation translot 126 so that build bridge and can slide with respect to the end hinge, obtains better convex closure moving area.
In two embodiment of the utility model; Build bridge with support between hinge is connected, builds bridge and bridge formation between hinge be connected and can connect through screw or rivet; Use screw mode can accomplish to after the locking of PCB with screw lock, improve its stability; Use rivet then can improve the reliability of connection.
As Figure 11 and shown in Figure 13 be the convex closure 800 that exists as individual part among the utility model embodiment; This type of convex closure is not formed on the backboard when backboard is produced; But when needs use convex closure; On the relevant position of backboard 1, convex closure 800 is installed, locate the assemblies such as PCB of various sizes to reach the convex closure 800 of applying in a flexible way.
Shown in figure 11, convex closure 800 have one be used to install and fix assemblies such as pcb board screwed hole 810, this screwed hole 810 connects this independent convex closure 800 always; So that independent convex closure 800 can be fixed on the backboard 1 from the below through screw 811; Simultaneously again can be up fixing pcb board, accordingly, should be provided with screwed hole 810 sizable convex closure installing holes on the backboard 1 with said convex closure 800; Like through hole or chute, so that convex closure 800 can be fixed on the backboard 1.Same; Also can only use a screw fit nut to realize fixing between PCB, convex closure and the backboard; Shown in figure 12, because screwed hole has connected whole convex closure 800, and then can directly PCB300 be locked on the backboard 1 through a screw 811 attaching nuts 812.
Easy for installation in order to make, the similar structure of rivet can be arranged in the bottom of convex closure shown in figure 13, and it is one-body molded to be about to rivet and convex closure, and the end portion of convex closure 800 is the riveted joint form with being connected of backboard 1, and promptly convex closure 800 is riveted on the backboard 1 through rivet 820.Riveted way is with respect to the screw ways of connecting, and it is fast, and can accomplish through machine, improves the efficient of producing.Shown in figure 14, convex closure 800 is fixed on the backboard 1 through rivet 820, and pcb board 300 is fixed on the convex closure through screw 811 then, accomplishes locking pcb board 300.
For economical with materials, and easy to process, convex closure can be formed by the direct punching press of plate, and is shown in figure 15, and convex closure 800 inside are engraved structure, and its integral body is formed by a plate material, and both economical with materials made things convenient for again and made.
Certainly, the shape of the independent convex closure 800 described in the present embodiment is not limited to the tapered cross-section shape shown in the figure, with respect to other shape such as squarely also can reach corresponding use.
In the present embodiment, according to the size of PCB in the module backlight, corresponding convex closure is set on the relevant position again; Simultaneously, according to the pcb board assembly of varying number, corresponding convex closure quantity is set.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (11)
1. backboard; It is characterized in that said backboard comprises by a plurality of supports forms framework, and is arranged on the bridge formation that is used for fixing pcb board on the said support; Said bridge formation can be with respect to the fixing point rotation of itself and said support, and said bridge formation is provided with chute or the through hole that is used to install convex closure.
2. a kind of backboard as claimed in claim 1 is characterized in that, said bridge formation is arranged in pairs on two adjacent or relative supports, and the stiff end of said bridge formation is connected on the support through the end hinge.
3. a kind of backboard as claimed in claim 2 is characterized in that, said pcb board supports through at least four bridge formations that are arranged on the said support.
4. a kind of backboard as claimed in claim 2 is characterized in that, the free end of two bridge formations of said paired setting connects through the afterbody hinge, and the spacing of said free-ended pin joint and said fixing point is adjustable.
5. a kind of backboard as claimed in claim 4 is characterized in that, the free end of two bridge formations of said paired setting is provided with link slot, and said afterbody hinge passes the link slot of said two bridge formations, and said afterbody hinge can slide in said link slot.
6. a kind of backboard as claimed in claim 4; It is characterized in that; The free end of two bridge formations of said paired setting is provided with link slot, and the stiff end of said paired setting also is provided with translot, and said end hinge and said afterbody hinge all can slide in said link slot.
7. a kind of backboard as claimed in claim 4 is characterized in that, the chute of said two bridge formations extends to its free end end, and said afterbody hinge passes said chute.
8. a kind of backboard as claimed in claim 4 is characterized in that, the chute of said two bridge formations extends to its free end end and stiff end end, and said afterbody hinge passes said chute.
9. a kind of backboard as claimed in claim 1 is characterized in that, is connected through screw between said bridge formation and the said support.
10. a kind of backboard as claimed in claim 1 is characterized in that, is connected through rivet between said bridge formation and the support.
11. a module backlight comprises backboard, pcb board and is used for pcb board is fixed to the part that locks on the said backboard; It is characterized in that; Said backboard comprises by a plurality of supports forms framework; And be arranged on the bridge formation that is used for fixing pcb board on the said support, and said bridge formation can be with respect to the fixing point rotation of itself and said support, and said bridge formation is provided with chute or the through hole that is used to install convex closure; The said part that locks is installed on said chute or the through hole, and said PCB locks on the backboard through the said part that locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204620151U CN202328043U (en) | 2011-11-18 | 2011-11-18 | Back board and backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204620151U CN202328043U (en) | 2011-11-18 | 2011-11-18 | Back board and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328043U true CN202328043U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204620151U Expired - Lifetime CN202328043U (en) | 2011-11-18 | 2011-11-18 | Back board and backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410509A (en) * | 2011-11-18 | 2012-04-11 | 深圳市华星光电技术有限公司 | A kind of backplane and backlight module |
| WO2014023006A1 (en) * | 2012-08-07 | 2014-02-13 | 深圳市华星光电技术有限公司 | Display device back panel and liquid crystal display device |
| US8724341B2 (en) | 2011-11-18 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backplane and backlight module |
-
2011
- 2011-11-18 CN CN2011204620151U patent/CN202328043U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410509A (en) * | 2011-11-18 | 2012-04-11 | 深圳市华星光电技术有限公司 | A kind of backplane and backlight module |
| WO2013071657A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Back board and backlight module |
| US8724341B2 (en) | 2011-11-18 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backplane and backlight module |
| WO2014023006A1 (en) * | 2012-08-07 | 2014-02-13 | 深圳市华星光电技术有限公司 | Display device back panel and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |