CN102392995A - Back board, backlight module and liquid crystal display device - Google Patents
Back board, backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN102392995A CN102392995A CN2011103695672A CN201110369567A CN102392995A CN 102392995 A CN102392995 A CN 102392995A CN 2011103695672 A CN2011103695672 A CN 2011103695672A CN 201110369567 A CN201110369567 A CN 201110369567A CN 102392995 A CN102392995 A CN 102392995A
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- Prior art keywords
- backboard
- fixed
- module backlight
- mesh
- rib
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/46—Fixing elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a back board, a backlight module and a liquid crystal display device. The back board of the backlight module comprises a plurality of supports spliced with each other and fixing meshes fixed among the supports and used for fixing functional clamps of the backlight module, wherein the functional clamps are used for fixing the components of such backlight modules as PCBs (printed circuit boards). The back board, the backlight module and the liquid crystal display device have the following beneficial effects: the supports and the fixing meshes are adopted as the basic components of the back board, the supports serve as the main bearing components of the back board, the fixing meshes are fixed among the supports and such components of the backlight module as the PCBs are fixed on the fixing meshes; therefore the supports can be designed into universal sections and only need cutting and splicing according to different sizes of back boards during use, and the fixing meshes can also be designed into meshes in standard size and are cut into different sizes according to actual needs; therefore the supports and the fixing meshes all can realize standardization and universalization and can form the standard and universal back board, backlight module and liquid crystal display device.
Description
Technical field
The present invention relates to field of liquid crystal display, in particular, relate to a kind of 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.
In addition, because different modules backlight, corresponding component size, installation site are all different, and the monoblock type backboard can't be realized standardized designs, and versatility is poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of standardization, unitized backboard, module backlight and liquid crystal indicator.
The objective of the invention is to realize through following technical scheme:
A kind of backboard of module backlight comprises the support of a plurality of mutual splicings, and the fixed mesh that is fixed on the functional fastener that is used for fixing said module backlight between the said support.Said functional fastener is used for fixing the components and parts of backboard modules such as pcb board.
Preferably, said fixed mesh comprises many ribs, and said many ribs intersect in length and breadth, form a plurality of mesh; The two ends of said rib are separately fixed on the different said supports.This is a kind of concrete structure of fixed mesh, and the rib that adopts standard is formed fixed mesh as basic building block, and simple in structure, versatility is good.
Preferably, said rib is the rigidity rib, forms the constant mesh of a plurality of pore sizes.Rigidity rib intensity is high, and not yielding, weight capacity is good.And the mesh size is fixing, locks part and is fixed on the mesh, and bonding strength is high.
Preferably, said rib is an elastic bar, forms the variable mesh of a plurality of pore sizes.The elastic bar good toughness can be applicable to the part that locks of different size, shape within the specific limits, and versatility is good.
Preferably, said many ribs are fixed at its infall.After infall was fixedly connected, the mesh size was fixing, locks part and is fixed on the mesh, and bonding strength is high.
Preferably, phase IPN fork overlaps between said rib longitudinally and the horizontal rib.Wear fork and overlap and can promote backboard intensity, and the crosspoint need not be fixedly connected, so the size of mesh has certain adjustable range, can be applicable to the part that locks of different size, shape, versatility is good.
Preferably, saidly many be divided into vertical arrangement and transversely arranged two groups with rib, two groups of ribs are separately fixed at the two sides of said backboard.Lengthways of rod and laterally at regular intervals between the rib in every group of rib, just forms a chute between adjacent two ribs like this; Convenient functional fastener slides in chute; Also can directly be fixed on the chute when needing to fix, therefore, fixed form more flexibly can be provided.
Preferably, said fixed mesh has two-layer, is separately fixed at the two sides of said backboard, and double-deck fixed mesh intensity is higher.
A kind of module backlight comprises above-mentioned a kind of backboard, and the fixed mesh of said backboard is provided with one or more functional fasteners.
Preferably, said functional fastener comprises and locks in part, the radiating piece one or more.This is the concrete form of functional fastener, locks part and is used for fixing assemblies such as pcb board, and radiating piece is used for the heat radiation in lamp source.
Preferably, the fixing Access Division of said functional fastener and said fixed mesh is a standard component.Versatility can be improved in the Access Division of employing standard, helps reducing cost and promoting production efficiency.
A kind of liquid crystal indicator comprises above-mentioned module a kind of backlight.
The present invention is owing to the basic building block that has adopted support and fixed mesh as backboard, and support is as the main load-supporting part of backboard, and fixed mesh is fixed between the support, and the components and parts such as pcb board of module backlight are fixed on the fixed mesh.Like this, backboard mainly relies on the framework load-bearing on the one hand, and the bulk strength of backboard is high; Secondly, support can be designed to general section bar, only need cut according to the backboard of different size, splice during use; Fixed mesh also can be designed to standard-sized grid; According to actual needs, cut into different size and get final product, therefore; Support and fixed mesh can be realized standardization and generalization, can form standard, unitized backboard, module backlight and liquid crystal indicator.
Description of drawings
Fig. 1 is a backboard sketch map of the present invention;
Fig. 2 is a fixedly pcb board sketch map of backboard of the present invention;
Fig. 3 is that the embodiment of the invention locks the part sketch map for one first kind;
Fig. 4 is that the embodiment of the invention locks the part sketch map for one second kind;
Fig. 5 be the embodiment of the invention one the third lock the part sketch map;
Fig. 6 is that the embodiment of the invention 1 locks the part sketch map for the 4th kind;
Fig. 7 is that the embodiment of the invention locks the part sketch map for 2 first kinds;
Fig. 8 is that the embodiment of the invention locks the part sketch map for 2 second kinds;
Fig. 9 be the embodiment of the invention two the third lock the part sketch map;
Wherein: 100, framework; 110, support; 111, upper bracket; 112, right support; 113, lower carriage; 114, left socle; 115, intermediate support; 115, intermediate support; 130, stiffener; 131, connecting portion; 300, lock part; 310, taper pinnacle; 320, button pawl; 330, screwed hole; 340, rivet; 350, screw; 400, fixed mesh; 410, rib; 420, mesh; 430, functional fastener; 500, pcb board.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment the present invention is described further.
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 110 100, is provided with grid in the framework 100.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 back plate; 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.Grid in the framework 100 is fixed on each support 110; The assembly of pcb board 500 and other module backlight is fixed on the grid through functional fastener 430; Said functional fastener 430 comprises and locks in part 300, the radiating piece one or more; Itself and fixed mesh 400 fixing Access Divisions are standard components, to improve versatility, help reducing cost and promoting production efficiency.Certainly, under the intensity that ensures framework 100, two intermediate supports 115 also can omit, so that practice thrift cost.The jointing positions of said support can add the stiffener 130 of angle type, and stiffener 130 is located at position, four angles of framework, and each stiffener 130 comprises two connecting portions 131, and connecting portion 131 is used for connecting fixing with the support of framework.Stiffener 130 is one-body molded, and intensity is high, can promote splicing intensity, and its connecting portion 131 can make standard component, and support can be made standard sections like this, as long as cut according to the backboard of different size, and the versatility height.Stiffener 130 is also made the clamping form, is fixed on the mesh 420 of fixed mesh 400.
Said fixed mesh 400 comprises many ribs 410, and said many ribs 410 intersect in length and breadth, forms a plurality of mesh 420; The two ends of said rib 410 are separately fixed on the different said supports 110.Rib 410 can be rigid rib bar 410, to form the constant mesh of a plurality of pore sizes 420; Rib 410 also can be elastic bar 410, forms the variable mesh of a plurality of pore sizes 420.
In addition, fixed mesh 400 can be provided with two-layer, is separately fixed at the two sides of said backboard.
As shown in Figure 2; With fixed mesh 400 fixedly pcb board 500 be example; Zone needing fixing circuit board is provided with convex closure, and the bottom of convex closure is fixed on the mesh 420 of fixed mesh 400 through modes such as riveted joint, screw are fixing, and then on convex closure fixing pcb board 500.
Embodiment one
Shown in Fig. 3～6, the said part 300 that locks is provided with taper pinnacle 310 with said pcb board top fixed, and the plural button pawl 320 of a plurality of elasticity is extended in bottom, said pinnacle, forms the fixedly interface arrangment of pcb board 500; Locking part 300 can adopt plastic cement one-body molded.
Lock part 300 and be provided with the fixed structure that is used for itself being fixed on the said backboard with backboard, this fixed structure can be any one form of riveting post, screw rod or screwed hole, can certainly adopt with the identical interface arrangment in top; Accordingly, backboard is provided with and is used for fixing the said installing hole that locks part 300, locks part 300 and is installed on the backboard through installing hole.The said root that locks part 300 can also be the plane, and is only fixing with pcb board 500 with unfixing between the backboard, to 500 pure supporting roles of pcb board.
Embodiment two
Be depicted as a kind of part 300 forms that lock in addition like Fig. 7～9---as the convex closure of individual part existence; 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 400, convex closure is installed, locate pcb board 500 assemblies such as grade of various sizes to reach the convex closure of applying in a flexible way.
As shown in Figure 7, convex closure have one be used to install and fix pcb board 500 assemblies such as grade screwed hole 330, this screwed hole 330 connects this independent convex closure always; So that independent convex closure can be fixed on the backboard 400 from the below through screw 350; Simultaneously again can be up fixing pcb board 500, accordingly, should be provided with screwed hole 330 sizable convex closure installing holes on the backboard 400 with said convex closure; Like through hole or chute, so that convex closure can be fixed on the backboard 400.Same, also can only use a screw fit nut to realize fixing between pcb board 500, convex closure and the backboard,
As shown in Figure 8, pcb board 500 is fixed on the convex closure through screw 350, and is same, and convex closure also is to be fixed on the backboard through screw 350 and nut 812.
Easy for installation in order to make, convex closure can be arranged to the similar structure of rivet, and promptly rivet and convex closure are one-body molded, and be as shown in Figure 9, and the end portion of convex closure is the riveted joint form with being connected of backboard 400, and promptly convex closure is riveted on the backboard 400 through rivet 340.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.
Convex closure is fixed on the backboard 400 through rivet 340, and pcb board 500 is fixed on the convex closure through screw 350 then, accomplishes locking pcb board 500.
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 10, and convex closure inside is 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 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 board 500 in the module backlight, corresponding convex closure is set on the relevant position again; Simultaneously, pcb board 500 assemblies according to varying number are provided with corresponding convex closure quantity.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (12)
1. the backboard of a module backlight is characterized in that, said backboard comprises the support of a plurality of mutual splicings, and the fixed mesh that is fixed on the functional fastener that is used for fixing said module backlight between the said support.
2. the backboard of a kind of module backlight as claimed in claim 1 is characterized in that, said fixed mesh comprises many ribs, and said many ribs intersect in length and breadth, form a plurality of mesh; The two ends of said rib are separately fixed on the different said supports.
3. the backboard of a kind of module backlight as claimed in claim 2 is characterized in that, said rib is the rigidity rib, forms the constant mesh of a plurality of pore sizes.
4. the backboard of a kind of module backlight as claimed in claim 2 is characterized in that, said rib is an elastic bar, forms the variable mesh of a plurality of pore sizes.
5. the backboard of a kind of module backlight as claimed in claim 2 is characterized in that, said many ribs are fixed at its infall.
6. the backboard of a kind of module backlight as claimed in claim 2 is characterized in that, phase IPN fork overlaps between said rib longitudinally and the horizontal rib.
7. the backboard of a kind of module backlight as claimed in claim 2 is characterized in that, saidly many is divided into vertical arrangement and transversely arranged two groups with rib, and two groups of ribs are separately fixed at the two sides of said backboard.
8. the backboard of a kind of module backlight as claimed in claim 1 is characterized in that, said fixed mesh has two-layer, is separately fixed at the two sides of said backboard.
9. a module backlight comprises that the fixed mesh of said backboard is provided with one or more functional fasteners like the arbitrary described a kind of backboard of claim 1～8.
10. a kind of module backlight as claimed in claim 9 is characterized in that, said functional fastener comprises and locks in part, the radiating piece one or more.
11. a kind of module backlight as claimed in claim 9 is characterized in that, the fixing Access Division of said functional fastener and said fixed mesh is a standard component.
12. a liquid crystal indicator comprises a kind of module backlight as claimed in claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369567.2A CN102392995B (en) | 2011-11-18 | 2011-11-18 | A kind of backboard, backlight module and liquid crystal indicator |
| PCT/CN2011/083225 WO2013071649A1 (en) | 2011-11-18 | 2011-11-30 | Backplane, backlight module, and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369567.2A CN102392995B (en) | 2011-11-18 | 2011-11-18 | A kind of backboard, backlight module and liquid crystal indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392995A true CN102392995A (en) | 2012-03-28 |
| CN102392995B CN102392995B (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110369567.2A Active CN102392995B (en) | 2011-11-18 | 2011-11-18 | A kind of backboard, backlight module and liquid crystal indicator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102392995B (en) |
| WO (1) | WO2013071649A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736283A (en) * | 2012-06-28 | 2012-10-17 | 深圳市华星光电技术有限公司 | Liquid crystal display device and fixing piece for locking printed circuit board (PCB) |
| CN102818228A (en) * | 2012-07-24 | 2012-12-12 | 深圳市华星光电技术有限公司 | Back plate, backlight module and liquid crystal display device |
| WO2013071652A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Convex hull for fixing pcb on back board, back board and backlight module |
| US8882329B2 (en) | 2011-11-18 | 2014-11-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Hillock for fixing PCB on backplane, backplane and backlight module |
| CN106027927A (en) * | 2016-05-18 | 2016-10-12 | 合肥惠科金扬科技有限公司 | Backboard module of display device |
| CN109991771A (en) * | 2018-01-03 | 2019-07-09 | 鸿海精密工业股份有限公司 | Display panel rear structure |
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- 2011-11-30 WO PCT/CN2011/083225 patent/WO2013071649A1/en active Application Filing
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| US7859608B2 (en) * | 2005-06-20 | 2010-12-28 | Funai Electric Co., Ltd. | Liquid crystal display apparatus comprising a first frame made of resin, a second frame made of metal, and a backboard member made of metal |
| CN101668148A (en) * | 2009-09-25 | 2010-03-10 | 广州视景显示技术研发有限公司 | Shared back panel of integrated TV |
| CN201672468U (en) * | 2010-05-04 | 2010-12-15 | 广州创维平面显示科技有限公司 | Rear back plate structure of back light module |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013071652A1 (en) * | 2011-11-18 | 2013-05-23 | 深圳市华星光电技术有限公司 | Convex hull for fixing pcb on back board, back board and backlight module |
| US8882329B2 (en) | 2011-11-18 | 2014-11-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Hillock for fixing PCB on backplane, backplane and backlight module |
| CN102736283A (en) * | 2012-06-28 | 2012-10-17 | 深圳市华星光电技术有限公司 | Liquid crystal display device and fixing piece for locking printed circuit board (PCB) |
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| CN102818228A (en) * | 2012-07-24 | 2012-12-12 | 深圳市华星光电技术有限公司 | Back plate, backlight module and liquid crystal display device |
| CN102818228B (en) * | 2012-07-24 | 2014-06-11 | 深圳市华星光电技术有限公司 | Back plate, backlight module and liquid crystal display device |
| CN106027927A (en) * | 2016-05-18 | 2016-10-12 | 合肥惠科金扬科技有限公司 | Backboard module of display device |
| CN109991771A (en) * | 2018-01-03 | 2019-07-09 | 鸿海精密工业股份有限公司 | Display panel rear structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392995B (en) | 2016-01-27 |
| WO2013071649A1 (en) | 2013-05-23 |
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Denomination of invention: Back board, backlight module and liquid crystal display device Effective date of registration: 20190426 Granted publication date: 20160127 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Registration number: 2019440020032 |
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Date of cancellation: 20201016 Granted publication date: 20160127 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen China Star Optoelectronics Technology Co.,Ltd. Registration number: 2019440020032 |
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