CN102401352B - Backboard and liquid crystal indicator - Google Patents
Backboard and liquid crystal indicator Download PDFInfo
- Publication number
- CN102401352B CN102401352B CN201110396003.8A CN201110396003A CN102401352B CN 102401352 B CN102401352 B CN 102401352B CN 201110396003 A CN201110396003 A CN 201110396003A CN 102401352 B CN102401352 B CN 102401352B
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- China
- Prior art keywords
- backboard
- reinforcing steel
- sub
- vertical
- vertical reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000011748 cell maturation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The open a kind of backboard of the present invention and liquid crystal indicator, described backboard includes that at least two pieces of sub-backboards are spliced to form, the stitching portion of described sub-backboard is provided with the vertical reinforcing steel of multiple splicing cross section perpendicular with this stitching portion, and described vertical reinforcing steel is arranged along described splicing section.Due to the fact that and make backboard be spliced to form by many sub-backboards, it is not necessary to use large-scale pressing equipment or big mould, and then decrease the production cost of backboard；It addition, the present invention uses many sub-backboards to splice, the material that heat dispersion is good can be used to make for the side generating heat higher on backboard, for the less side that generates heat, the most only need the material that common intensity is enough, saved cost；Further, the present invention, also in the stitching portion of backboard, has added the vertical reinforcing steel of multiple splicing cross section perpendicular with stitching portion, has improve the intensity of stitching portion and the vertical intensity of backboard, and then the flatness of backboard is improved, improve the display quality of liquid crystal indicator.
Description
Technical field
The present invention relates to field of liquid crystal display, in particular, relate to a kind of backboard and liquid crystal indicator.
Background technology
Liquid crystal module in existing volume production all uses all-in-one-piece backboard.Generally use commaterial to be made, used
Material be aluminium sheet, iron plate or plastic cement, processing mode mostly is punching press or plastic injection global formation so that product is heavier,
The material cost of product is higher.Large scale product need to use bigger pressing equipment, relatively costly, and corresponding die size is very
Greatly, structure is complicated, and die cost is the highest.If whole backboard uses iron plate or plastic cement to make, in addition it is also necessary to increase heat radiation unit
Part, which adds cost；If using aluminium sheet to make, the most additionally increasing and using heat dissipation element, although its heat-conducting effect
Better than iron plate, but only some plays thermolysis to whole backboard, another part do not play thermolysis but
Supporting role, and, the price of aluminium sheet is costly, higher in material cost.
Summary of the invention
The technical problem to be solved is to provide a kind of low cost of manufacture, and backboard and liquid crystal display that intensity is good fill
Put.
It is an object of the invention to be achieved through the following technical solutions: a kind of backboard, described backboard includes at least two pieces
Sub-backboard is spliced to form, and the stitching portion of described sub-backboard is provided with the vertical reinforcement of multiple splicing cross section perpendicular with this stitching portion
Muscle, described vertical reinforcing steel is arranged along described splicing section.
Preferably, the plurality of vertical reinforcing steel is arranged along described stitching portion with identical spacing.So that the splicing of backboard
The even intensity at place, it is to avoid the difference of local stress causes the deformation of backboard.
Preferably, described reinforcing steel also includes and nestles up described vertical reinforcing steel vertical with described vertical reinforcing steel
Laterally reinforcing steel.The intensity of the horizontal direction of backboard is improved by horizontal reinforcing steel.
Preferably, the stitching portion between two sub-backboards of described mutual splicing is respectively arranged with the vertical benefit of respective amount
Strong muscle, the corresponding mutually nested stacked laminating of two vertical reinforcing steels between the sub-backboard of said two.Make on two sub-backboards
Reinforcement overlap, improve stitching portion intensity.
Preferably, the edge of described mutually nested two stacked vertical reinforcing steels leaves surplus space.It is easy to two
The installation of sub-backboard, it is ensured that the precision of installation and the stress that local is the most different will not be produced after staking.
Preferably, the region that the vertical reinforcing steel nesting that said two is corresponding is stacked is less than the length of described vertical reinforcing steel
Half.In the case of ensure that installation strength, reduce the usage amount of material as far as possible.
Preferably, described backboard includes that the sub-backboard that at least two block of material are different is spliced to form.According to the function on backboard
Characteristic, selects corresponding material, to reach to save the purpose of material cost.
Preferably, described backboard includes that the sub-backboard that two block of material are different is spliced to form.Only use two pieces of sub-backboards, to subtract
The splicing process step of few backboard.
Preferably, it is aluminum structure needing the sub-backboard arranging the side of LED lamp bar.Needing to arrange the side of LED
Sub-backboard on generate heat higher, thus radiating effect preferably aluminium can be selected.
Preferably, multiple reinforcing steels are provided with riveting point, are riveted by described riveting point between sub-backboard.Pass through
Riveting point is arranged on reinforcing steel, so that reinforcing steel couples together, improves the vertical reinforcing function of vertical reinforcing steel.
Preferably, each reinforcing steel in the plurality of reinforcing steel is arranged the riveting point of two vertical arrangements.Improve
The splicing intensity of two reinforcing steels of overlapped setting.
A kind of liquid crystal indicator, includes above-mentioned backboard.
Due to the fact that and make backboard be spliced to form by many sub-backboards so that backboard need not use greatly in process of production
The pressing equipment of type or big mould, and then decrease the production cost of backboard；It addition, due to the fact that use many height back of the body
Plate splices, such that it is able to use the material that heat dispersion is good to make for the side generating heat higher on backboard, for sending out
The side that heat is less, the material the most only needing common intensity enough is made, and has saved the cost of material；Further, the present invention
Also in the stitching portion of backboard, add the vertical reinforcing steel of multiple splicing cross section perpendicular with stitching portion, improve stitching portion
Intensity and the vertical intensity of backboard, and then the flatness of backboard is improved, improve the display matter of liquid crystal indicator
Amount.
Accompanying drawing explanation
Fig. 1 is the first sub-back board structure figure of embodiment of the present invention backboard,
Fig. 2 is the second sub-back board structure figure of embodiment of the present invention backboard,
Fig. 3 is the structure chart of embodiment of the present invention backboard,
Fig. 4 is the Section A-A figure in Fig. 3,
Fig. 5 is the section B-B figure in Fig. 3.
Wherein: 100, the first sub-backboard, the 110, first vertical reinforcing steel, the 120, first horizontal reinforcing steel, 111, riveting point,
150, space, the 200, second sub-backboard, the 210, second vertical reinforcing steel, the 220, second horizontal reinforcing steel.
Detailed description of the invention
The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings.
The applicant has applied for the backboard of a kind of backlight module, backlight module and liquid crystal display dress on October 12nd, 2011
Putting, Application No. 201110308489.5, that application discloses the back board structure formed with heat sink and gripper shoe, general introduction is such as
Under: a kind of liquid crystal indicator, including backlight module, bottom described backlight module, be provided with backboard, be used for supporting internal components with
And sealing module, it is provided that necessary protection.The backboard of described backlight module includes the gripper shoe that heat sink is connected with heat sink；
The heat-conductive characteristic of described heat sink is more than the heat-conductive characteristic of described gripper shoe.Described heat sink uses the material that thermal diffusivity is good
Material is made, and also has preferable radiating effect in addition to basic backboard function, and described gripper shoe is mainly used in basic support
Function.
Such as the backboard that Fig. 1-4 is backlight module of the present invention, this backboard includes: the first sub-backboard 100 and the second son
Backboard 200, wherein the stitching portion at the first sub-backboard 100 and the second sub-backboard 200 is respectively arranged with the splicing with this stitching portion
The vertical reinforcing steel 110 of the first of cross section perpendicular and the second vertical reinforcing steel 210.Heretofore described first sub-backboard 100 with
Heat sink described in above-mentioned application documents is the structure of identical function, and the second sub-backboard 200 is identical function with described gripper shoe
Structure.But the functional differentiation of many sub-backboards of the present invention is not limited in heat radiation and supports two Main Functions, root
According to more polyfunctional demand and the simplification of technique or the cost control of material, the present invention it should also be possible to arrange corresponding son
Backboard quantity i.e. corresponding function and then to reach optimal design.
If Fig. 1-4 is presently preferred embodiments of the present invention:
It is the first sub-backboard 100 of the embodiment of the present invention as shown in Figure 1, in the stitching portion of the first sub-backboard 100, along this spelling
The place of connecing is provided with multiple the first vertical reinforcing steel 110 being arranged side by side, the multiple first vertical reinforcing steel 110 and splicing cross section perpendicular
Forming vertical arrangement, in the position being close to the first vertical reinforcing steel 110, be provided with the first horizontal reinforcing steel 120, first is horizontal
Reinforcing steel 120 is parallel to splice section, in order to strengthen the transverse strength of backboard stitching portion, and the vertical reinforcement of first vertically arranged
Muscle 110 is both for strengthening the vertical intensity being spliced into, again for strengthening the intensity of riveting point.
It is the second sub-backboard 200 of the embodiment of the present invention as shown in Figure 2, on the stitching portion of the second sub-backboard 200, same edge
Stitching portion and be provided with the second vertical reinforcement of multiple reinforcing steel 110 corresponding matching vertical with first in Fig. 1 that be that be arranged side by side
Muscle 210, the multiple second vertical reinforcing steel 210 forms vertical arrangement with splicing cross section perpendicular, is being close to the second vertical reinforcing steel
The position of 210, is provided with the second horizontal reinforcing steel 220, and the second horizontal reinforcing steel 220 is parallel to splice section, in order to strengthen the
The transverse strength of two sub-backboard 200 stitching portions, and the vertical reinforcing steel 210 of second vertically arranged is both for erecting that reinforcement is spliced into
To intensity, again for strengthening the intensity of riveting point.
Being illustrated in figure 3 the backboard being spliced to form, this backboard is by the sub-backboard of first as shown in Figure 1 100 and as shown in Figure 2
The second sub-backboard 200 be spliced to form.As shown in FIG., the first sub-backboard 100 and the second sub-backboard 200 lead at splicing section part
The riveting point crossed on the vertical reinforcing steel being arranged on the first sub-backboard 100 and the second sub-backboard 200 rivets.First vertically mends
The size of strong muscle 110 is greater than the second vertical reinforcing steel 210, but their shape is similar, and, the first sub-backboard 100 and the
After two sub-backboards 200 splicings, the second vertical reinforcing steel 210 is embedded into that the first vertical reinforcing steel 110 is interior and laminating stacks together.
Backboard forms vertical reinforcement by the vertical strengthening ribs on sub-backboard, and as shown in Figure 4, first between two sub-backboards is vertically mended
Strong muscle 110 is mutually nested stacked laminating with the second vertical reinforcing steel, improves the intensity of stitching portion, and such as Fig. 1 and Fig. 2 institute
Showing, riveting point 111 is arranged on reinforcement, is equivalent to vertical strengthening ribs and is connected with each other, and not only strengthens the strong of junction
Being strengthened on degree, the also vertical direction to backboard entirety, the present embodiment also uses as shown in Fig. 1 and Fig. 2 and Fig. 5
The first cross reinforcing 120 and the second horizontal reinforcing steel 220, for improving the intensity of horizontal direction of backboard, backboard passes through
The reinforcement of horizontal and vertical reinforcement, improves the flatness of backboard, improves the display quality of liquid crystal indicator.
In the embodiment of the present invention, the first vertical reinforcing steel 110 and the second vertical reinforcing steel 210 are pressed along stitching portion with phase
Same spacing is arranged in the stitching portion of sub-backboard, to reach to strengthen uniformly situation, it is to avoid backboard produces non-homogeneous stress.
It addition, in the present embodiment, two corresponding vertical reinforcing steel nestings are stacked the region of laminating less than vertical reinforcement
The half of the length of muscle, in the case of proof strength demand, reduces the overlapping region of splicing as far as possible, and then reduces material
Usage amount.The edge of two the corresponding vertical reinforcing steels being stacked laminating in nesting leaves surplus space, as shown in Figure 4,
Nested being stacked of second vertical reinforcing steel 210 fits in the first vertical reinforcing steel 110, leaves space 150 in its laminating edge,
So it is easy to two backboard splicings assemble, in the case of having surplus, can guarantee that the precision of splicing and stress deformation does not occur.
As it is shown in figure 5, be provided with the riveting point 111 of two vertical arrangements on each reinforcing steel, to guarantee the joint being bonded with each other
The intensity of point and the bond strength of vertical reinforcing steel.
Further, the present invention uses many sub-backboards to be spliced to form, as selected two pieces of sons in the embodiment of the present invention
Backboard splices, and therefore, according to structure and the characteristic of liquid crystal panel, its side is due to assemblies such as LED to be arranged, and caloric value is relatively
Height, therefore this side can use the sub-backboard that the material with great heat radiation effect is made, in embodiments of the present invention, such as
The material that one sub-backboard 100 is used is aluminium, and the material that the second sub-backboard is used can be that iron plate etc. meets intensity need
The material asked.Such as aluminium sheet for the material that corresponding heat radiation is good, its price is generally more expensive, and the present invention is by reducing making of aluminium
With, improve the material cost of backboard.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's
Protection domain.
Claims (11)
1. a backboard, it is characterised in that described backboard includes that at least two pieces of sub-backboards are spliced to form, the splicing of described sub-backboard
Place is provided with the vertical reinforcing steel of multiple splicing cross section perpendicular with this stitching portion, and described vertical reinforcing steel is along described splicing section
Arrangement, the stitching portion between two sub-backboards of described mutual splicing is respectively arranged with the vertical reinforcing steel of respective amount, described
The corresponding mutually nested stacked laminating of two vertical reinforcing steels between two sub-backboards.
2. backboard as claimed in claim 1 a kind of, it is characterised in that the plurality of vertical reinforcing steel with identical spacing along institute
State stitching portion arrangement.
3. a kind of backboard as claimed in claim 2, it is characterised in that described reinforcing steel also includes and nestles up described vertical benefit
Strong muscle the horizontal reinforcing steel vertical with described vertical reinforcing steel.
4. a kind of backboard as claimed in claim 3, it is characterised in that described mutually nested two stacked vertical reinforcing steels
Edge leaves surplus space.
5. backboard as claimed in claim 3 a kind of, it is characterised in that vertical reinforcing steel nesting corresponding to said two is stacked
Region is less than the half of the length of described vertical reinforcing steel.
6. a kind of backboard as claimed in claim 1, it is characterised in that described backboard includes the son back of the body that at least two block of material are different
Plate is spliced to form.
7. a kind of backboard as claimed in claim 6, it is characterised in that described backboard includes that the sub-backboard that two block of material are different is spelled
Connect formation.
8. a kind of backboard as claimed in claim 7, it is characterised in that be needing the sub-backboard arranging the side of LED lamp bar
Aluminum structure.
9. backboard as claimed in claim 1 a kind of, it is characterised in that be provided with riveting point on multiple reinforcing steels, sub-backboard it
Between riveted by described riveting point.
10. a kind of backboard as claimed in claim 9, it is characterised in that on each reinforcing steel in the plurality of reinforcing steel
The riveting point of two vertical arrangements is set.
11. 1 kinds of liquid crystal indicators, it is characterised in that include the backboard as described in claim 1-10 is arbitrary.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110396003.8A CN102401352B (en) | 2011-12-02 | Backboard and liquid crystal indicator | |
| PCT/CN2011/083535 WO2013078709A1 (en) | 2011-12-02 | 2011-12-06 | Back plate and liquid crystal display device |
| US13/378,123 US20130141846A1 (en) | 2011-12-02 | 2011-12-06 | Backplane and Liquid Crystal Display Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110396003.8A CN102401352B (en) | 2011-12-02 | Backboard and liquid crystal indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102401352A CN102401352A (en) | 2012-04-04 |
| CN102401352B true CN102401352B (en) | 2016-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |