CN201285003Y - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN201285003Y CN201285003Y CNU2008201542816U CN200820154281U CN201285003Y CN 201285003 Y CN201285003 Y CN 201285003Y CN U2008201542816 U CNU2008201542816 U CN U2008201542816U CN 200820154281 U CN200820154281 U CN 200820154281U CN 201285003 Y CN201285003 Y CN 201285003Y
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- China
- Prior art keywords
- module backlight
- fixed part
- base plate
- hole
- projection
- 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.)
- Expired - Fee Related
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- 230000004308 accommodation Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model relates to a backlight module, which comprises a bottom plate, a light source and a supporting device. The bottom plate is provided with a fixing part, the light source is arranged on the bottom plate, the supporting device is provided with a supporting part and a clamping part, wherein the supporting part is provided with an accommodating space for accommodating the light source, and the clamping part is clamped in the fixing part. Meanwhile, the fixing portion has a hole, the engaging member has a projection, and the projection and the hole are engaged with each other. The utility model discloses a clearance between strutting arrangement and the bottom plate exists the plane and sets up the plane inequality with the fluorescent tube, so make strutting arrangement can not cause the rotation because of the clearance. Therefore, the support device can be prevented from being separated or loosened, and the stability of the backlight module is improved.
Description
Technical field
The utility model relates to a kind of module backlight, relates in particular to a kind of module backlight that prevents because of its stability of vibration influence.
Background technology
Non-spontaneous active display such as LCD need be provided with a module backlight with display frame, yet, have good demonstration grade in order to make display, provide to the light source of display panels to be uniform surface light source as far as possible.Therefore, between fluorescent tube and display panels, be provided with multi-layer optical membrane usually, as: LGP or diffusion sheet to be adjusting the optical property of the light source that sends from fluorescent tube, thereby make it near uniform area light source.
In general, in the module backlight usually design align member is arranged so that fluorescent tube and blooming piece are stablized is arranged on wherein.See also Fig. 1, as shown in FIG., in the structure of known module backlight 1, fluorescent tube 12 is arranged on after the module 1 backlight, and module backlight 1 is provided with side frame 14 keeping the position of fluorescent tube 12, and is provided with a plurality of tube stands 15 and space post 16.See through tube stand 15 with fluorescent tube 12 support fixation on backboard 11, the blooming piece (not shown) is supported in its top for 16 of space post so that smooth stable fluorescent tube 12 tops that are arranged at of blooming piece (not shown).The location of tube stand 15 and space post 16 is to rely on its aft mounted buckling parts (not shown) structure and/or screw locking to combine with backboard 11.
See also Fig. 2 A, it is the buckling parts gap schematic diagram of tube stand, and it is to illustrate with the reverse side visual angle of facing backboard 11.From then on direction is inspected the structure of tube stand 15 afterbodys, above-mentioned tube stand 15 designs have a buckling parts 151, corresponding tube stands 15 designs of backboard 11 have a perforate 111, buckling parts 151 to be placed into perforate 111 after rotation and assembling is fixing, and the assembling back is shown in Fig. 2 A.Generally can with buckling parts 151 to be designed and sized to size than perforate 111 slightly little and have clearance delta x and Δ y, with convenient manufacturer assembling, also can prevent from can't mate compatible situation generation because of manufacturing tolerance produces size between buckling parts 151 and the perforate 111.
Yet, when fluorescent tube and blooming piece because of vibrations or lock bad etc. formerly thereby rock, will influence the demonstration grade and the stability of display.Please refer to Fig. 2 B, as shown in FIG., if on business the clearance delta y that gets between buckling parts 151 and the perforate 111 of official post is excessive in the manufacture process of tube stand 15, tube stand 15 assemble finish after, can rotate the location condition of poor between buckling parts 151 and the perforate 111.When this situation took place, the position of tube stand 15 was given a shock influence easily and changes, and also changes the position that is provided with of fluorescent tube jointly.Therefore, cause the demonstration grade of the display that this module backlight is set and stability to reduce.
On the other hand, if between buckling parts 151 and the perforate 111 on the z axle also because of there is gap width in manufacturing tolerance, buckling parts 151 even can break away from from perforate 111 because of vibrations so will have a strong impact on the demonstration grade and the stability of display.Simultaneously, space post 16 also can produce above-mentioned problem.Yet manufacturing tolerance is to make inevitable error in the assembly, so the problems referred to above are problem demanding prompt solutions in this technical field.
The utility model content
A purpose of the present utility model is to provide a kind of module backlight, to prevent that bracing or strutting arrangement breaks away from or loosening generation.
Another purpose of the present utility model is to provide a kind of module backlight, can promote its stability.
For reaching above-mentioned purpose, the utility model provides a kind of module backlight, comprising: a base plate, a light source and a bracing or strutting arrangement.Base plate has a fixed part, and light source is arranged on the base plate, and bracing or strutting arrangement has a support member and a fastener, and wherein support member has an accommodation space with ccontaining light source, and fastener is to be placed in the fixed part.Simultaneously, fixed part has a hole, and fastener has a projection, and projection and hole are chimeric mutually.Above-mentioned bracing or strutting arrangement can be shape or pattern arbitrarily, and preferable mode is that support member is that the tapered pole body structure is for supporting a blooming piece; Perhaps support member more comprises a ccontaining arc groove, be arranged on wherein for light source, and ccontaining arc groove is around part circumferential surface or whole circumferential surface of light source.
In addition, the utility model provides a kind of module backlight in addition, comprising: a base plate, a light source and a bracing or strutting arrangement.Base plate has a fixed part, and light source is arranged on the base plate, and bracing or strutting arrangement has a support member, a ccontaining arc groove and a fastener, and wherein, light source is arranged in the ccontaining arc groove, and fastener is placed in the fixed part.Simultaneously, fixed part has a hole, and fastener has a projection, and projection and hole are chimeric mutually.
Above-mentioned support member extends a height to keep the position of blooming piece on it, and this support member is preferably the taper cylinder.In addition, above-mentioned ccontaining arc groove is part circumferential surface or the whole circumferential surface around this light source.
Above-mentioned base plate can be the base plate of Any shape or pattern, and the making material that it used is also unrestricted, is preferably metal material.
The utility model does not limit the shape or the pattern of said fixing portion, and being preferably the opening of fixed part on base plate is a rectangle, and simultaneously, fixed part has a chimeric wall, and fastener has a side, and chimeric wall and side are corresponding.In addition, be preferably base plate and chimeric wall is one of the forming.When bracing or strutting arrangement was placed in fixed part, fastener strain to projection restored to the original state after being arranged at hole.The outside width of above-mentioned fastener can be designed to the width of fixed part quite or wide slightly so that the bracing or strutting arrangement close-fitting in fixed part, is exempted between bracing or strutting arrangement and the base plate possibility that has the gap on fluorescent tube is provided with a certain direction on plane.
Therefore, it is different that the bracing or strutting arrangement of this creation and gap between the base plate exist plane and fluorescent tube that the plane is set, rotation still can't cause the loosening disengaging of fluorescent tube displacement or bracing or strutting arrangement on the plane even bracing or strutting arrangement exists in the gap, thereby reaches lifting and the bracing or strutting arrangement disengaging or loosening the preventing of module stability backlight.
Secondly, for the shape or the degree of depth of above-mentioned hole, the utility model is also unrestricted, and it can be circular hole, elliptical aperture, polygonal holes or semicircle orifice, is preferably circular port.On the other hand, the utility model is the shape of above-mentioned projection without limits also, the shape that the shape of projection is preferably corresponding hole as: cylinder, oval cylinder, polygonal cylinder or semicylinder are more preferred from cylinder or oval cylinder.Therefore, the utility model utilizes the hole chimeric design mutually of the projection and the chimeric wall of side, make the module backlight of this creation can not cause the bracing or strutting arrangement rotation because of the gap between bracing or strutting arrangement and base plate, break away from base plate and make bracing or strutting arrangement become flexible, and then reach the generation that prevents that bracing or strutting arrangement breaks away from or becomes flexible, more increased the stability of module backlight.
Description of drawings
Fig. 1 is the structural representation of existing module backlight;
Fig. 2 A is an existing tube stand buckling parts gap schematic diagram;
Fig. 2 B is an existing tube stand buckling parts rotation location bad position schematic diagram;
Fig. 3 is the module exploded view backlight of the utility model first preferred embodiment;
Fig. 4 is the module exploded view backlight of the utility model second preferred embodiment;
Fig. 5 is the module exploded view backlight of the utility model the 3rd preferred embodiment.
The specific embodiment
Embodiment one
Fig. 3 is the module exploded view backlight of the utility model first preferred embodiment.As shown in FIG., module 3 backlight comprises a base plate 31, a light source 32 and a bracing or strutting arrangement 33.Bracing or strutting arrangement 33 and light source 32 all are arranged on the base plate 31.
One fixed part 311 is arranged on the base plate 31, and fixed part 311 both sides have a chimeric wall 312 respectively, and a hole 313 is then arranged on the chimeric wall 312, and base plate 31 and chimeric wall 312 are one of the forming.In the present embodiment, fixed part 311 is a rectangle at the opening 3111 of base plate 31, and makings that be formed in one of base plate 31 and chimeric wall 312, and hole 313 then is the circular hole with the Sheet Metal Forming Technology making.Yet, in other embodiment of the present utility model, also can make and otherwise make said modules.
As shown in Figure 3, bracing or strutting arrangement 33 has a support member 331 and a fastener 333, and fastener 333 is positioned at an end of support member 331.In addition, fastener 333 has dual side-edge 335, forms a projection 334 on each side 335 respectively.The shape of projection 334 is corresponding to the hole 313 on the above-mentioned base plate 31, and is chimeric mutually so that projection 334 can penetrate hole 313.Projection 334 is to be a cylinder in the present embodiment.Simultaneously, the shape of fastener 333 and size are the shapes corresponding to fixed part 311 openings 3111, and fastener 333 is to be designed to rectangle with the shape of top board 3331 in the present embodiment, so that fastener 333 can be placed in the fixed part 311 fully.Therefore, when bracing or strutting arrangement 33 was arranged at base plate 31, projection 334 penetrates in the process of fixed part 311 at fastener 333 can produce strain, then restores to the original state after projection 334 penetrates hole 313.Because projection 334 promptly closes with hole 313 mutual down after penetrating hole 313, so bracing or strutting arrangement 33 just is fixed on the base plate 31.
The support member 331 of bracing or strutting arrangement 33 is the taper cylinder, and inside is that hollow is to form an accommodation space 332.In the present embodiment, light source 32 can be arranged in the accommodation space 332.By the mechanism of ammonium fixation between bracing or strutting arrangement 33 and the base plate 31,32 of light sources are stabilized and are arranged on the base plate 31.At least one blooming piece (not shown) can be arranged on support member 331 tops of bracing or strutting arrangement 33, to accept the support force that support member 331 provides, keeps smooth stable setting whereby.
In order to overcome the loosening problem that breaks away from of prior art, the utility model has been made particular design at distance between the dual side-edge 335 of fastener 333.In the present embodiment, distance is to be designed to omit than distance between the two chimeric walls 312 for wide between the dual side-edge 335.Therefore, after bracing or strutting arrangement 33 is assembled in the fixed part 311,, on the x direction, there is not the gap between bracing or strutting arrangement 33 and the fixed part 311 even in manufacture process, there is tolerance.Hereat, the gap only is present on the y-z plane at chimeric wall 312 and side 335 places, and chimeric wall 312 is inequality with the y-z plane at side 335 places and the x-y plane that light source 32 is arranged on the base plate 31.Therefore when between the side 335 of chimeric wall 312 and fastener 333 because of the gap rotates when shaking, 33 of bracing or strutting arrangements can produce the displacement on y or the z direction and the displacement that can not produce the x direction.Therefore, can't influence the position of light source 32, also can not cause bracing or strutting arrangement 33 to get loose influences the stability of module 3 backlight in base plate 31.
Embodiment two
Fig. 4 is the module exploded view backlight of the utility model second preferred embodiment.As shown in the figure, the support member 341 of the bracing or strutting arrangement 34 of present embodiment module 3 backlight comprises two ccontaining arc grooves 3411,3412, and light source 32 then can be arranged in the ccontaining arc groove 3411,3412 of support member 341.Bracing or strutting arrangement 34 more includes a fastener 342, and it is connected with support member 341, and has four side 345 on the fastener 342, is formed with a projection 343 on each side 345 respectively, and in the present embodiment, projection 343 is to be an oval cylinder.
On the other hand, base plate 31 has a fixed part 314, and it has four chimeric walls 315, and is formed with a hole 316 respectively on each chimeric wall 315, and base plate 31 is integrally formed with chimeric wall 315.The shape of the opening 3111 of fixed part 314 is corresponding with the shape of fastener 342, so bracing or strutting arrangement 34 can penetrate fixed part 314.In the present embodiment, hole 316 is to be an elliptical aperture.When bracing or strutting arrangement 34 penetrated fixed part 314, projection 343 can penetrate hole 316 so that projection 343 is chimeric mutually with hole 316.
In the present embodiment, bracing or strutting arrangement 34 distance between more corresponding two the chimeric walls 315 of distance between relative two sides 345 on x and y direction is wide.Therefore, after bracing or strutting arrangement 34 is arranged at fixed part 314, even in manufacturing process, there is tolerance issues, because it is chimeric mutually with hole 316 that x-z plane and y-z plane all are provided with projection 343, so between bracing or strutting arrangement 34 and the fixed part 314 on the x-y plane that light source 32 is provided with not gapped problem, and the displacement that only may produce the z direction.Thereby compared to a last embodiment, the bracing or strutting arrangement 34 of present embodiment is stable more to be arranged on the base plate 31, and can fixedly install the position of light source 32 better.
Embodiment three
Fig. 5 is the bracing or strutting arrangement schematic diagram of the module backlight of the utility model the 3rd preferred embodiment.As shown in FIG., bracing or strutting arrangement 35 has a support member 351, two ccontaining arc groove 352,353 and fasteners 354, and two ccontaining arc grooves the 352, the 353rd, is separately positioned on support member 351 both sides.Form a projection 355 respectively on four sides 358 of aforementioned fastener 354.In the present embodiment, light source 32 is to be arranged in the ccontaining arc groove 352,353.Support member 351 is taper cylinders in addition, can be used to support a slice blooming piece (not shown) at least.
In the present embodiment, a fixed part 311 is also arranged on the base plate 31.The fixed part 311 of present embodiment also is formed with four chimeric walls 312, and also is provided with a hole 313 on each chimeric wall 312, and in the present embodiment, hole 313 is a circular hole; And have four side 358 on the fastener 354, be formed with a projection 355 on each side 358 respectively, and in the present embodiment, projection 355 is to be a cylinder.In addition, base plate 31 is integrally formed with chimeric wall 312.
As shown in Figure 5, the shape of the opening 3111 of fixed part 311 is corresponding with the shape of fastener 351, so bracing or strutting arrangement 35 can penetrate fixed part 311.In the present embodiment, the shape of opening 3111 is to be designed to rectangle.And when bracing or strutting arrangement 35 penetrated fixed part 311, projection 355 can penetrate hole 313 and chimeric mutually.
In the present embodiment, the distance between fastener 354 sides 358 be designed to and chimeric wall 312 between distance suitable.Although so,, and make that bracing or strutting arrangement 35 can be fixing with base plate 31, not the phenomenon that gets loose of displacement that produces because of manufacturing tolerance or vibrations because bracing or strutting arrangement 35 4 limits are all chimeric mutually with the corresponding chimeric wall 312 of fixed part 311 by side 358.Therefore, see through fixedly installing of bracing or strutting arrangement 35 and base plate 31, light source can significantly not change the position of its setting.
Therefore, by learning in the foregoing description, module backlight and bracing or strutting arrangement thereof that the utility model provides, design by fixed part and fastener, exempted bracing or strutting arrangement and the possibility that has the gap on the plane has been set, therefore can prevent disengaging of light source and bracing or strutting arrangement or the possibility of becoming flexible and promote its stability at light source.
The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion so that claim is described, but not only limits to the foregoing description.
Claims (18)
1. a module backlight is characterized in that, comprising:
One base plate has a fixed part;
One light source is arranged on the described base plate; And
One bracing or strutting arrangement has a support member and a fastener, and this support member has an accommodation space with ccontaining described light source;
Wherein, this fastener system is placed in the described fixed part, and described fixed part has a hole, and described fastener has a projection, and described projection and described hole are chimeric mutually.
2. module backlight as claimed in claim 1 is characterized in that, described fixed part has a chimeric wall, and described fastener has a side, and described chimeric wall is corresponding with described side.
3. module backlight as claimed in claim 2 is characterized in that, described base plate and described chimeric wall are one of the forming.
4. module backlight as claimed in claim 1 is characterized in that, the opening of described fixed part on described base plate is rectangle.
5. module backlight as claimed in claim 1 is characterized in that, described projection is a cylinder or oval cylinder.
6. module backlight as claimed in claim 1 is characterized in that, described hole is a circular hole.
7. module backlight as claimed in claim 1 is characterized in that the external form of described projection is corresponding with described hole.
8. module backlight as claimed in claim 1 is characterized in that, described support member is a taper cylinder.
9. module backlight as claimed in claim 1 is characterized in that, described support member comprises a ccontaining arc groove, and described ccontaining arc groove is around part circumferential surface or whole circumferential surface of described light source.
10. a module backlight is characterized in that, comprising:
One base plate has a fixed part;
One light source is arranged on the described base plate; And
One bracing or strutting arrangement has a support member, a ccontaining arc groove and a fastener,
Wherein said light source system is arranged in this ccontaining arc groove, and described fastener system is placed in the described fixed part, and described fixed part has a hole, and described fastener has a projection, and described projection and this hole are chimeric mutually.
11. module backlight as claimed in claim 10 is characterized in that, described fixed part has a chimeric wall, and described fastener has a side, and described chimeric wall is corresponding with described side.
12. module backlight as claimed in claim 11 is characterized in that, described base plate and described chimeric wall are one of the forming.
13. module backlight as claimed in claim 10 is characterized in that, the opening of described fixed part on described base plate is rectangle.
14. module backlight as claimed in claim 10 is characterized in that, described projection is a cylinder or oval cylinder.
15. module backlight as claimed in claim 10 is characterized in that, described hole is a circular hole.
16. module backlight as claimed in claim 10 is characterized in that the external form of described projection is corresponding with described hole.
17. module backlight as claimed in claim 10 is characterized in that, described support member is a taper cylinder.
18. module backlight as claimed in claim 10 is characterized in that, described ccontaining arc groove is around part circumferential surface or whole circumferential surface of described light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201542816U CN201285003Y (en) | 2008-10-21 | 2008-10-21 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201542816U CN201285003Y (en) | 2008-10-21 | 2008-10-21 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285003Y true CN201285003Y (en) | 2009-08-05 |
Family
ID=40949989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201542816U Expired - Fee Related CN201285003Y (en) | 2008-10-21 | 2008-10-21 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285003Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915401A (en) * | 2010-07-12 | 2010-12-15 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
-
2008
- 2008-10-21 CN CNU2008201542816U patent/CN201285003Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915401A (en) * | 2010-07-12 | 2010-12-15 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
| CN101915401B (en) * | 2010-07-12 | 2011-12-07 | 友达光电股份有限公司 | Tube support seat and backlight module with membrane support frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20171021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |