CN100520164C - Direct type backlight module and its lamp tube fixing device - Google Patents
Direct type backlight module and its lamp tube fixing device Download PDFInfo
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- CN100520164C CN100520164C CNB2007101050845A CN200710105084A CN100520164C CN 100520164 C CN100520164 C CN 100520164C CN B2007101050845 A CNB2007101050845 A CN B2007101050845A CN 200710105084 A CN200710105084 A CN 200710105084A CN 100520164 C CN100520164 C CN 100520164C
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- bar linkage
- tube fixer
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Abstract
The invention discloses a straight-down type backlight module and its lamp tube fixing device, among them the lamp tube fixing device includes: several fasteners, said fasteners are installed between the bottom of the backlight module and several lamp tubes, and each fastener is equipped with a fastening part to clamp a corresponding tube; and several linking bar structures, each linking bar structure is connected with at least one of the adjacent two fasteners, and each linking bar structure both includes a bendable structure, the bendable structure can bend the linking bar structure along a horizontal direction to adjust the distance between adjacent fasteners. Thereby, the tube fixing device in the invention can fix and clamp said tubes with different distances to meet the requirements of different LCD types and tube assemblage error, so it can increase the assemblage convenience.
Description
Technical field
The present invention relates to a kind of backlight module and fluorescent-tube fixer thereof, particularly a kind of direct type backlight module and fluorescent-tube fixer thereof, but its ease of assembly has the fluorescent tube of different spacing.
Background technology
In recent years, (Liquid Crystal Display LCD) has replaced traditional cathode-ray tube gradually, and becomes the main product in the consumption market to have the LCD of light, thin, high brightness, low power consumption and advantage such as radiationless.
But,, the picture of liquid crystal panel could be shown so must provide liquid crystal panel required area source by backlight module because the liquid crystal molecule itself in the panel of LCD does not have the characteristics of luminescence.Thereby backlight module is important composition parts indispensable in the LCD.
In general, backlight module can be divided into side light type back light module and direct type backlight module according to the difference of its internal light source set-up mode.In the side light type back light module, light source is located at the panel side, and this type of backlight module is applied on slimming and the undersized panel mostly.And in the direct type backlight module, light source is arranged on the panel below, and this type of backlight module is applied on the large size panel mostly.Wherein, direct type backlight module comprises: base plate, be fixedly arranged on a plurality of fluorescent tubes on the base plate, and to should base plate and described fluorescent tube be provided with diffuser plate so that the light that described fluorescent tube sends can be by diffuser plate to external diffusion, to provide liquid crystal panel needed area source.
But,, need to use a kind of fluorescent-tube fixer as the fluorescent tube of above-mentioned backlight module firmly being fixedly arranged on the base plate.For example, a kind of traditional tube fixture 7 shown in Figure 1 comprises: one is fixedly arranged on the base portion 71 on the base plate 8; And many to from these base portion 71 upwardly extending anchor clamps 72, wherein each is separated with a determining deviation anchor clamps 72, to provide elasticity, the fluorescent tube 9 of clamping correspondence; Described anchor clamps 72 utilize module one injection molding with base portion 71.Yet, some problems often appear in aforementioned conventional fluorescent-tube fixer in actual applications: for example, though this integrally formed fluorescent-tube fixer structure is the many tubes of fixing simultaneously, but it only can be applicable to the assemblings specific or many tubes that constant spacing is arranged that have in the specific model LCD, and for the LCD of other model with different fluorescent tube arrangement pitches, this integrally formed traditional tube fixture be then because can't adjust spacing between per two pairs of anchor clamps, and can't use.Under this kind situation, just must redesign the another kind of fluorescent-tube fixer that is applicable to this LCD types, the mould newly developed of laying equal stress on, this has caused time and cost waste.
And for example, in case there is the manufacturing dimension error in this integrally formed fluorescent-tube fixer, then can cause the spacing of per two pairs of adjacent anchor clamps inconsistent slightly and can't adjust respectively, can't assemble accurately by the fluorescent tube corresponding with all this moment.
Thereby there is inconvenience greatly in the traditional tube fixture in assembling.Therefore the utmost point is necessary to design a kind of new direct type backlight module and fluorescent-tube fixer thereof, to be applicable to the assembling of the fluorescent tube with different arrangement pitches.
Summary of the invention
For solving foregoing problems, main purpose of the present invention is to provide a kind of direct type backlight module and fluorescent-tube fixer thereof, it is applicable to the assembling of the fluorescent tube with different arrangement pitches, thereby can adapt to the demand of different model LCD, improves assembling compatibility and convenience.
For achieving the above object, the invention provides a kind of fluorescent-tube fixer, it is applied to a backlight module, this backlight module has a base plate and a plurality of fluorescent tube of being located on this base plate, this fluorescent-tube fixer comprises: a plurality of holders and a plurality of bar linkage structure, wherein said a plurality of holder is between this base plate and described a plurality of fluorescent tube, and each holder all has a clamping part, this clamping part top forms a fluting, in order to the corresponding fluorescent tube of clamping, and the bottom of each holder is provided with a grab, in order to this holder is fixed on this base plate, and correspondence offers a plurality of connecting holes on this base plate, fixes for described grab.Each bar linkage structure is connected with two holders adjacent with it, and each bar linkage structure includes a bent structure.By making described bar linkage structure along continuous straight runs produce bending, can adjust the spacing between the adjacent two fasteners, thereby the flexible fixing of this fluorescent-tube fixer energy have many tubes of different arrangement pitches.
According to preferred embodiment of the present invention, described a plurality of bar linkage structure is a flexible material, and bendable is converted into U-shaped or V-arrangement or S shape structure, and the bent structure of each bar linkage structure can be a recess or a rotating shaft, so that this bar linkage structure can produce the bending effect, regulate the spacing between its adjacent two fasteners.
This fluorescent-tube fixer also comprises at least one supporting construction, in order to support the diffuser plate in this backlight module, this supporting construction is located at the described holder of part top, wherein, be the base plate that cooperates this backlight module and the distance between diffuser plate, also can use the described supporting construction of differing heights, to support this diffuser plate.
According to a kind of direct type backlight module that another embodiment of the present invention provides, comprise that a diffuser plate, is arranged at the base plate under this diffuser plate, a plurality of fluorescent tube is set in parallel between this diffuser plate and this base plate, and a fluorescent-tube fixer.This fluorescent-tube fixer comprises: a plurality of holders, and it is between this base plate and described a plurality of fluorescent tube, and each in the described holder all has a clamping part, in order to the corresponding fluorescent tube of clamping; And a plurality of bar linkage structures, two holders that described bar linkage structure is adjacent connect, described bar linkage structure includes a bent structure, this bent structure can make described bar linkage structure along continuous straight runs produce bending, in order to adjust the spacing of adjacent holder, thereby, many tubes of this fluorescent-tube fixer energy fixing different arrangement pitches.
Description of drawings
Fig. 1 shows the traditional tube fixture that is used for direct type backlight module.
Fig. 2 is the cross-sectional view of direct type backlight module of the present invention.
Fig. 3 and Fig. 4 are respectively the structural representation of the fluorescent-tube fixer bending front and back of first embodiment of the invention.
Fig. 5 is applied to the assembling schematic diagram of direct type backlight module for the fluorescent-tube fixer of first embodiment of the invention.
Fig. 6 and Fig. 7 are respectively the structural representation of the fluorescent-tube fixer bending front and back of second embodiment of the invention.
Fig. 8 is the structural representation after the fluorescent-tube fixer of third embodiment of the invention bends.
Wherein, description of reference numerals is as follows:
Direct type backlight module 1 diffuser plate 2
Fluorescent- tube fixer 51,52,53 holders 510,520,530
Bar linkage structure 511,521,531 clamping parts 512
The 513 bent structures 514,524,534 of slotting
Recess 515 grabs 516
Supporting construction 517 rotating shafts 528
Axis hole 529 base portions 71
Anchor clamps 72 connecting holes 30
The specific embodiment
Please earlier referring to Fig. 3, Fig. 3 is the structural representation of the fluorescent-tube fixer 51 of first embodiment of the invention, this fluorescent-tube fixer 51 mainly comprises a plurality of holders 510 and a plurality of bar linkage structure 511, wherein each holder 510 has a clamping part 512, and above clamping part 512, form a fluting 513, fluting 513 ㄩ i sections that have as shown in Figure 2 are in order to clamping one corresponding fluorescent tube 4.The bottom of each holder 510 also is provided with a grab 516.Two holders 510 that the opposite end of each bar linkage structure 511 is adjacent connect respectively, and are provided with a bent structure 514 between described opposite end.Among the present invention, concrete qualification is not done in the position of this bent structure, can be arranged on any position of this bar linkage structure according to the needs of practical application.Bar linkage structure 511 can adopt pliability material (as plastics) to make, so that but bar linkage structure 511 has the performance of elasticity bending, and in this first embodiment, bent structure 514 is a recess 515, and it is used to increase the elasticity (treating the back detailed description) of bent structure 514.On other was used, bar linkage structure 511 of the present invention also can adopt had flexual high reflecting material or transparent material is made, to improve the luminescent properties of this module backlight.
As shown in Figures 2 and 3, this fluorescent-tube fixer 51 also can comprise the supporting construction 517 of being located at part holder 510 tops, to support the diffuser plate 2 of backlight module 1.Wherein,, also can distinguish the different supporting construction of design height 517, to support diffuser plate 2 as for the base plate 3 of this backlight module 1 of maintenance and the specific range between the diffuser plate 2.
Please further with reference to figure 4, after the fluorescent-tube fixer 51 with Fig. 3 bends, bar linkage structure 511 can produce bending along the horizontal direction either direction of XY plane (as be parallel to) by bent structure 514, in order to adjust, as reduction, spacing between the two adjacent holders 510 is so that fluorescent-tube fixer 51 can be distinguished the different many tubes of fixing arrangement pitches (effect as shown in Figure 5).Because the recess 515 on this bar linkage structure 511 can strengthen the elasticity of bent structure 514, so bent structure 514 can be bent into as shown in Figure 4 V-arrangement or inverted V-shaped structure along the in-plane of XY.
Please consult Fig. 2 and Fig. 5 again, it shows the direct type backlight module 1 of first embodiment of the invention, it comprises that a diffuser plate 2, is arranged at the base plate 3 of the below of this diffuser plate 2, a plurality of fluorescent tube 4 that is set in parallel between this diffuser plate 2 and this base plate 3, and the fluorescent-tube fixer 51 with structure shown in Figure 3.Wherein, the light that fluorescent tube 4 sends is by upwards diffusion of diffuser plate 2, to provide the liquid crystal panel (not shown) required area source.Each holder 510 bottom is provided with a grab 516 in the fluorescent-tube fixer 51, and the position of the corresponding grab 516 of base plate 3 offers a plurality of connecting holes 30, fixes for grab 516, and then makes fluorescent-tube fixer 51 be fixedly arranged on the base plate 3.
When assembling, according to actual needs earlier, utilizes and should bent structure 514 bend bar linkage structures 511, with the spacing between the adjustment adjacent two fasteners 510, until with base plate 3 on spacing between corresponding two connecting holes 30 be consistent; The grab 516 of each holder 510 bottom promptly can be inserted in the corresponding connecting hole 30 of base plate 3 then, fix; Then make U-shaped fluting 513 button lamp carriers 4 both sides on the clamping part 512 of holder 510; So fluorescent tube 4 can be embedded on the base plate 3 securely.
Other sees also Fig. 6 and Fig. 7, wherein show the fluorescent-tube fixer 52 of second embodiment of the invention, second embodiment is with the difference of aforementioned first embodiment: the bar linkage structure that is connected two adjacent holders 520 521 of second embodiment is made up of two strip parts, the free terminal of each strip parts is equipped with an axis hole 529, and wherein bent structure 524 is designed to utilize the free terminal of this two strip parts to be connected with each other by a rotating shaft 528.Thus, bent structure 524 can be bent into as shown in Figure 7 V-arrangement or inverted V-shaped structure along the XY in-plane.
Ask for an interview shown in Figure 8, wherein show the fluorescent-tube fixer 53 of third embodiment of the invention, the 3rd embodiment is with aforementioned first and second embodiment difference: the bent structure 534 of the bar linkage structure that is connected two adjacent holders 530 531 of the 3rd embodiment is designed to a S shape structure, to provide bending required elasticity.Thus, bent structure 534 can bend along the XY in-plane.
As previously mentioned, though the bent structure 514,524,534 of fluorescent-tube fixer of the present invention 51,52,53 is to be bent into U-shaped, V-arrangement or S shape structure along the XY in-plane, be not limited to described U-shaped, V-arrangement or S shape structure, in fact.The material behavior or the flexible structure of all bent structures by fluorescent-tube fixer of the present invention are adjusted spacing between the adjacent fluorescent tube with collapsing length, all belong to the scope of protection of present invention.
Compared with prior art, the fluorescent-tube fixer 51 of direct type backlight module 1 of the present invention, 52,53 comprise bar linkage structure 511,521,531, bar linkage structure 511,521, but the 531 along continuous straight runs direction of XY plane (as be parallel to) produce bending, to adjust per two adjacent holders 510,520, spacing between 530, make fluorescent- tube fixer 51,52, the fluorescent tube 4 of 53 energy fixing different arrangement pitches, therefore, fluorescent-tube fixer of the present invention can with all kinds of LCD compatibilities with different fluorescent tube spacings, and die sinking designs corresponding fluorescent-tube fixer again, so can save research and development time and cost, and save the stock.In addition, fluorescent-tube fixer of the present invention also can utilize the bent characteristic of its bar linkage structure to carry out the spacing adjustment, and allowing existing foozle, so its overall package is more convenient.
Though the present invention has carried out above-mentioned explanation to preferred embodiment; but above-mentioned explanation is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; can carry out various variations and modification, so protection scope of the present invention should be as the criterion with accompanying claims.
Claims (12)
1. fluorescent-tube fixer, it is applied to backlight module, and this backlight module comprises a base plate and a plurality of fluorescent tube of being located on this base plate, and this fluorescent-tube fixer comprises:
A plurality of holders, it is between this base plate and described fluorescent tube, and described holder all has a clamping part, in order to the clamping fluorescent tube; And
A plurality of bar linkage structures, described bar linkage structure is connected with two holders adjacent with described bar linkage structure, each of described bar linkage structure includes a bent structure, so that described bar linkage structure along continuous straight runs produces bending, and then adjust the spacing of adjacent holder, so that the described fluorescent tube that this fluorescent-tube fixer can the fixing different spacing.
2. fluorescent-tube fixer as claimed in claim 1, wherein said bar linkage structure are a pliability material structure.
3. fluorescent-tube fixer as claimed in claim 1, wherein said bent structure can be bent into U-shaped, V-arrangement or S shape structure.
4. fluorescent-tube fixer as claimed in claim 1, wherein said bar linkage structure are the structure that reflecting material or transparent material are made.
5. fluorescent-tube fixer as claimed in claim 1, wherein said bent structure is a recess.
6. fluorescent-tube fixer as claimed in claim 1, wherein said bent structure is a rotating shaft.
7. fluorescent-tube fixer as claimed in claim 1, wherein said holder bottom is provided with a grab, and in order to described holder is fixed on this base plate, and correspondence offers a plurality of connecting holes on this base plate, fixes for described grab.
8. fluorescent-tube fixer as claimed in claim 1 also comprises at least one supporting construction, in order to support the diffuser plate in this backlight module.
9. fluorescent-tube fixer as claimed in claim 8, wherein said supporting construction are located at the described holder of part top.
10. fluorescent-tube fixer as claimed in claim 9, the height of wherein said supporting construction is corresponding with the distance between this base plate and this diffuser plate, to support this diffuser plate.
11. fluorescent-tube fixer as claimed in claim 1, wherein said clamping part is equipped with fluting.
12. a direct type backlight module comprises:
One diffuser plate;
One base plate, it is arranged under this diffuser plate;
A plurality of fluorescent tubes, it is set in parallel between this diffuser plate and this base plate; And
One fluorescent-tube fixer, it comprises: a plurality of holders, described holder are between this base plate and described fluorescent tube and all have a clamping part, in order to the clamping fluorescent tube; And a plurality of bar linkage structures, described bar linkage structure is connected with two holders adjacent with described bar linkage structure, each of described bar linkage structure includes a bent structure, so that described bar linkage structure along continuous straight runs produces bending, and then adjust the spacing of adjacent holder, so that the described fluorescent tube that this fluorescent-tube fixer can the fixing different spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101050845A CN100520164C (en) | 2007-05-22 | 2007-05-22 | Direct type backlight module and its lamp tube fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101050845A CN100520164C (en) | 2007-05-22 | 2007-05-22 | Direct type backlight module and its lamp tube fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101086327A CN101086327A (en) | 2007-12-12 |
| CN100520164C true CN100520164C (en) | 2009-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101050845A Active CN100520164C (en) | 2007-05-22 | 2007-05-22 | Direct type backlight module and its lamp tube fixing device |
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| CN (1) | CN100520164C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101482668B (en) * | 2008-01-07 | 2012-01-04 | 奇美电子股份有限公司 | Light tube fixing rack of backlight module and display element using the same |
| CN101881424B (en) * | 2010-06-17 | 2011-11-16 | 深圳市华星光电技术有限公司 | Backlight module and lamp tube support frame thereof |
| CN104121988B (en) * | 2013-04-27 | 2016-01-06 | 上海机动车检测中心 | Combined LED module standard light source group |
| CN104848177B (en) * | 2015-05-22 | 2023-07-18 | 漳州立达信灯具有限公司 | Lamp tube fixing device |
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2007
- 2007-05-22 CN CNB2007101050845A patent/CN100520164C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101086327A (en) | 2007-12-12 |
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