CN202328045U - Frame type backboard, backlight module and liquid crystal display device - Google Patents
Frame type backboard, backlight module and liquid crystal display device Download PDFInfo
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- CN202328045U CN202328045U CN2011204620626U CN201120462062U CN202328045U CN 202328045 U CN202328045 U CN 202328045U CN 2011204620626 U CN2011204620626 U CN 2011204620626U CN 201120462062 U CN201120462062 U CN 201120462062U CN 202328045 U CN202328045 U CN 202328045U
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Abstract
The utility model discloses a frame type backboard, a backlight module and a liquid display device. The frame type backboard comprises a frame, wherein the frame comprises a plurality of mutually spliced supports, and spliced parts of the supports are provided with solid reinforcing ribs. Through research, according to the backboard formed by splicing the supports, torsional stress is centralized at the spliced part of each support when the backboard generates the torsional stress, thus torsional deformation of the backboard usually generates at the spliced part. According to the frame type backboard, the backlight module and the liquid display device, disclosed by the utility model, the solid reinforcing ribs are additionally added at the spliced parts of the two supports so that bending resistance of each spliced part is improved and the strength of the whole backboard is improved.
Description
Technical field
The utility model relates to field of liquid crystal display, in particular, relates to a kind of frame-type backboard, module backlight and liquid crystal indicator.
Background technology
Liquid crystal indicator comprises liquid crystal panel and module backlight, and module backlight bottom has a backboard that is used to seal module and fixed die inner assembly.Existing backboard all uses all-in-one-piece backboard, generally uses metal stamping or plastics injection system global formation, makes product heavier, and the material cost of product is higher.For large-sized backboard, owing to need to use bigger pressing equipment, cost is higher, and corresponding die size is very big, complex structure, and die cost is also very high.Fierceness day by day along with market competition effectively reduces design cost and becomes more and more important, so saving material cost and simplified assembling process become the important directions of each designer's research.
Existing a kind of backboard, on whole back plate design development place the hollow out or the design of splicing backboard, reduced cost to a certain extent, but splicing or hollow out make backboard intensity descend, and then make being difficult for that fixing pcb board becomes on backboard originally.
The utility model content
The utility model technical problem to be solved provides a kind of high-intensity frame-type backboard, module backlight and liquid crystal indicator.
The purpose of the utility model realizes through following technical scheme:
A kind of frame-type backboard comprises framework, and said framework comprises the support of a plurality of mutual splicings, said support be provided with solid reinforcement in jointing positions.
Preferably, the said support that is positioned at the framework one side is provided with solid boss in jointing positions, forms said solid reinforcement; The support that is positioned at the framework another side is provided with the groove that cooperates with said solid reinforcement in jointing positions; After the two stands splicing, said solid reinforcement embeds in the said groove.This is a kind of concrete jointing positions reinforcement form, and the reinforcement of jointing positions one side is solid boss, and jointing positions one side in addition is a groove; When such two supports splice; Boss embeds in the groove, in the splicing intensity that increases two stands, can not increase the thickness of jointing positions again.
Preferably, said groove both sides are provided with solid cell wall, form said solid reinforcement.Groove two ends cell wall adopts solid construction, can further promote the splicing intensity of two stands.
Preferably, the said support integral body that is positioned at the framework one side is provided with solid boss, runs through the whole piece support with regard to being equivalent to solid reinforcement like this, can significantly promote the intensity of support itself, makes backboard more firm.
Preferably, the said support that is positioned at the framework two sides respectively is provided with solid boss in jointing positions, forms said solid reinforcement, and two stands is the splicings of two planes in jointing positions like this, and the flatness of jointing positions is than higher.
Preferably, the section of said reinforcement is trapezoidal.This is a kind of shape of concrete reinforcement.
A kind of module backlight comprises above-mentioned a kind of frame-type backboard.
A kind of liquid crystal indicator comprises above-mentioned module a kind of backlight.
Utility model people is through discovering, in the backboard that utilizes support to be spliced to form, when backboard produced twisting stress, stress was concentrated in the jointing positions of each support, so the torsional deformation of backboard also has more present jointing positions.The utility model adds solid reinforcement in the jointing positions of two stands, has significantly promoted the warping resistance ability of jointing positions, and then has promoted the intensity of whole back plate.
Description of drawings
Fig. 1 is the utility model center posture backboard sketch map;
Fig. 2 is the reinforcement sketch map of hollow out;
Fig. 3 is the solid reinforcement sketch map of the utility model embodiment one jointing positions;
Fig. 4 is the solid reinforcement sketch map of the utility model embodiment one other a kind of jointing positions;
Fig. 5 is the solid reinforcement sketch mapes of the utility model embodiment two jointing positions;
Wherein: 100, framework; 110, support; 111, upper bracket; 112, right support; 113, lower carriage; 114, left socle; 115, intermediate support; 120, build bridge; 510, boss; 520, groove; 530, cell wall.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment the utility model is described further.
As shown in Figure 1, a kind of liquid crystal indicator comprises liquid crystal panel and module backlight, and said module backlight bottom is provided with the frame-type backboard.The frame-type backboard comprises the framework of being made up of many supports 110 100, and framework 100 is provided with a plurality of bridge formations 120.As shown in Figure 1; Said support 110 comprises end to end upper bracket 111, lower carriage 113, left socle 114, right support 112; The big frame 100 of forming whole frame-type backboard; Big frame 100 the insides also are provided with two intermediate supports 115, and the two ends of intermediate support 115 are separately fixed at above upper and lower two supports 110.Be provided with a plurality of bridge formations 120 on each support 110 and between two supports 110, bridge formation 120 can be used for fixing the assembly of pcb board and other module backlight.
In order to strengthen the warping resistance ability of support 110, all be provided with reinforcement on each support 110, as shown in Figure 2, directly punching press formation on support 110 of reinforcement is hollow trapezium structure.Hollow reinforcement has had enough intensity to ensure the intensity of support 110 in field of liquid crystal display; But in practical application; Utility model people discovers, effect and the twisting stress of the spliced backboard of framework 100 formulas mainly focus on the jointing positions of two stands 110, thus support 110 at the stress of jointing positions much larger than other parts; Therefore, the utility model has adopted solid reinforcing rib structure in jointing positions.Below in conjunction with the specific embodiment, further explain the implementation of said solid reinforcement.
Embodiment one
Like Fig. 3, shown in 4, the support 110 that is positioned at framework 100 one sides is provided with solid boss 510 in jointing positions, forms said solid reinforcement; The support 110 that is positioned at framework 100 another sides is provided with the groove 520 that cooperates with said solid reinforcement in jointing positions; After two stands 110 splicings, said solid reinforcement embeds in the said groove 520.When such two supports 110 spliced, boss 510 embedded in the grooves 520, in the splicing intensity that increases two stands 110, can not increase the thickness of jointing positions again.Further, said groove 520 both sides are provided with solid cell wall 530, form said solid reinforcement, as shown in Figure 4.Groove 520 two ends cell walls 530 adopt solid construction, can further promote the splicing intensity of two stands 110.
Certainly, above-mentioned solid boss 510 can run through whole piece support 110, can significantly promote the intensity of support 110 itself like this, makes spliced backboard more firm.
The demonstration of reinforcement can be adopted present trapezium structure, also can adopt other shape, can both realize the implementation result of the utility model.
Embodiment two
As shown in Figure 5, the support 110 that is positioned at framework 100 two sides respectively is provided with solid boss 510 in jointing positions, forms said solid reinforcement, and two stands 110 is the splicings of two planes in jointing positions like this, and the flatness of jointing positions is than higher.
Same, above-mentioned solid boss 510 can run through whole piece support 110, can significantly promote the intensity of support 110 itself like this, makes spliced backboard more firm.
The demonstration of reinforcement can be adopted present trapezium structure, also can adopt other shape, can both realize the implementation result of the utility model.
The impact style that solid reinforcement or be not suitable for adopts with the hollow out reinforcement, after the punching press, even the solid reinforcement that forms in the reprocessing of hollow out zone, the bond strength between solid reinforcement and the hollow out reinforcement is also good inadequately.And the solid reinforcement of the utility model is more suitable for adopting modes such as extrusion modling to make; If the support of plastic material can adopt modes such as injection mo(u)lding to make.
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 (8)
1. a frame-type backboard is characterized in that, said frame-type backboard comprises framework, and said framework comprises the support of a plurality of mutual splicings, said support be provided with solid reinforcement in jointing positions.
2. a kind of frame-type backboard as claimed in claim 1 is characterized in that, the said support that is positioned at the framework one side is provided with solid boss in jointing positions, forms said solid reinforcement; The support that is positioned at the framework another side is provided with the groove that cooperates with said solid reinforcement in jointing positions; After the two stands splicing, said solid reinforcement embeds in the said groove.
3. a kind of frame-type backboard as claimed in claim 2 is characterized in that said groove both sides are provided with solid cell wall, forms said solid reinforcement.
4. a kind of frame-type backboard as claimed in claim 2 is characterized in that, the said support integral body that is positioned at the framework one side is provided with solid boss.
5. a kind of frame-type backboard as claimed in claim 1 is characterized in that, the said support that is positioned at the framework two sides respectively is provided with solid boss in jointing positions, forms said solid reinforcement.
6. a kind of frame-type backboard as claimed in claim 1 is characterized in that the section of said reinforcement is trapezoidal.
7. a module backlight comprises like the arbitrary described a kind of frame-type backboard of claim 1～6.
8. a liquid crystal indicator comprises a kind of module backlight as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204620626U CN202328045U (en) | 2011-11-18 | 2011-11-18 | Frame type backboard, backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204620626U CN202328045U (en) | 2011-11-18 | 2011-11-18 | Frame type backboard, backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328045U true CN202328045U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204620626U Expired - Lifetime CN202328045U (en) | 2011-11-18 | 2011-11-18 | Frame type backboard, backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392996A (en) * | 2011-11-18 | 2012-03-28 | 深圳市华星光电技术有限公司 | Frame-type back plate, backlight module and liquid crystal display device |
| CN104614883A (en) * | 2015-02-17 | 2015-05-13 | 深圳市华星光电技术有限公司 | Liquid crystal display backboard |
-
2011
- 2011-11-18 CN CN2011204620626U patent/CN202328045U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392996A (en) * | 2011-11-18 | 2012-03-28 | 深圳市华星光电技术有限公司 | Frame-type back plate, backlight module and liquid crystal display device |
| WO2013071647A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Frame-type back board, backlight module and liquid crystal display device |
| CN102392996B (en) * | 2011-11-18 | 2014-12-10 | 深圳市华星光电技术有限公司 | Frame-type back plate, backlight module and liquid crystal display device |
| CN104614883A (en) * | 2015-02-17 | 2015-05-13 | 深圳市华星光电技术有限公司 | Liquid crystal display backboard |
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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 |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |