CN101251681B - Backlight module with supporting device - Google Patents
Backlight module with supporting device Download PDFInfo
- Publication number
- CN101251681B CN101251681B CN200810089919A CN200810089919A CN101251681B CN 101251681 B CN101251681 B CN 101251681B CN 200810089919 A CN200810089919 A CN 200810089919A CN 200810089919 A CN200810089919 A CN 200810089919A CN 101251681 B CN101251681 B CN 101251681B
- Authority
- CN
- China
- Prior art keywords
- backlight module
- plate
- those
- bracing
- screw
- 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.)
- Active
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight module provided with a support device, comprising a first plate, a second plate, a plurality of convex structures and the support device, wherein, the second plate is connected to the first plate; a receiving space is formed between the first plate and the second plate and used for receiving a plurality of light sources; the plurality of convex structures are arranged on the second plate and extended to the receiving space by the second plate; each convex structure is provided with a concave region; plurality of fixed components are respectively locked in the concave regions so as to fix the backlight module; the support device is connected to the second plate, extended to the receiving space by the second plate and used for supporting the light sources, and then heat generated by the light sources is radiated to the outside of the second plate.
Description
Technical field
The invention relates to a kind of backboard, particularly relevant for a kind of backboard of backlight module, be applicable to display, for example is LCD.
Background technology
Fig. 1 illustrates the cut-open view of backlight module 100 in the prior art.This backlight module 100 is applicable to a LCD, comprises first plate 102, second plate 104, a plurality of fluorescent tube 106 and a plurality of copper post 108 that is attached to this second plate 104.This second plate 104 is provided with a plurality of screw thread perforations, and the screw thread of each copper post 108 1 end is locked in respectively in each screw thread perforation 110, and the other end has an internal thread perforate 112.When this backlight module 100 is installed, be that the threaded hole 112 through this copper post 108 is locked in this backlight module 100 on the support (not shown) of a display system.Because this backlight module 100 is not provided with support and the heat radiation that bracing or strutting arrangement provides this fluorescent tube, the fluorescent tube 106 that causes this display system built on the sand and dispel the heat bad.Secondly, an end of this copper post 108 passes second plate 104 and is locked in second plate 104, and wherein the acting force of copper post 108 lockings comes from the contact area of this copper post 108 and second plate, 104 thickness.Because the thinner thickness of second plate 104, the contact area between the reach of this copper post one end and second plate 104 is too little, causes the anti-twisting property of this copper post 108 to weaken.
Fig. 2 illustrates the cut-open view of another backlight module 200 in the prior art.This backlight module 200 comprises first plate 202, second plate 204, a plurality of fluorescent tube 206 and is arranged at a plurality of punching press convex closures 208 on this second plate 204 that each punching press convex closure 208 is provided with a screw thread perforation 210.When this backlight module 200 is installed, be the screw thread perforation 210 that is attached to this punching press convex closure 208 through screw 212, so that this backlight module 200 is locked on the support 214 of a display system.Because this backlight module 200 is not provided with support and the heat radiation that bracing or strutting arrangement provides this fluorescent tube, the fluorescent tube 106 that causes this display system built on the sand and dispel the heat bad.Secondly, screw 212 passes punching press convex closure 208 and is locked in second plate 204, and wherein the acting force of screw 212 lockings comes from the contact area of each screw and second plate, 204 thickness.Because the thinner thickness of second plate 204, the contact area between the reach of this screw 212 and second plate 204 is too little, causes the anti-twisting property of this copper post 108 to weaken.
In view of this, necessary backboard to existing backlight module is improved.
Summary of the invention
One of the present invention purpose is to provide a kind of backlight module with bracing or strutting arrangement, is applicable to LCD, utilizes this bracing or strutting arrangement to support the fluorescent tube of this backlight module.
One of the present invention purpose is to provide a kind of backlight module with bracing or strutting arrangement, is applicable to LCD, and the heat that this fluorescent tube is produced by the air vent of this bracing or strutting arrangement is dissipated into the outside of backlight module.
Another purpose of the present invention is to provide a kind of backlight module with bracing or strutting arrangement; Contact area by the convex structure that increases screw and this backlight module; With the twisting resistance ability of raising backboard, and avoid making the integral thickness of backlight module to become big because of convex structure and bracing or strutting arrangement.
For reaching above-mentioned purpose, the present invention provides a kind of backlight module with bracing or strutting arrangement, mainly comprises first plate, second plate, a plurality of convex structure and bracing or strutting arrangement.Second plate is connected in this first plate, forms a spatial accommodation between this first plate and this second plate, in order to hold a plurality of light sources.A plurality of convex structures are arranged on this second plate and by this second plate and extend to this spatial accommodation, and each convex structure has a concave domain, is locked in those concave domains respectively by a plurality of fixation kits, with fixing this backlight module.
Bracing or strutting arrangement is arranged on this second plate, extends to this spatial accommodation by this second plate, and in order to support those light sources, what make fluorescent tube firmly is arranged at this backlight module.This bracing or strutting arrangement comprises a plurality of supporting seats and a plurality of connecting portion.A plurality of supporting seats protrude from this second plate and extend to those light source direction, and in order to support those light sources, a plurality of connecting portions are arranged between those supporting seats, in order to connect those supporting seats, for example are to link together with connecting portion between two supporting seats.
In one embodiment; Each supporting seat has at least one first air vent and at least one second air vent; So that the heat that this light source produces is dissipated into the outside of this second plate via this first air vent and second air vent, so that the working temperature of fluorescent tube is in stable and does not have overheated state.In addition, each supporting seat driving fit can avoid this bracing or strutting arrangement of light leak and auxiliary fixing on this second plate in this second plate.
In one embodiment, when each those supporting seat is contacted with this light source, heat exchange pattern capable of using is discharged heat outside the backlight module via supporting seat, and utilizes the supporting seat of this bracing or strutting arrangement to support this light source.In another embodiment, when this supporting seat approaches this light source, thermal convection mode capable of using is discharged heat outside the backlight module via this first air vent and second air vent.
The supporting seat of bracing or strutting arrangement of the present invention has plane configuration, and in order to fixed lamp tube, and same fluorescent tube two sides are supported by a plurality of supporting seats.In addition, supporting seat also can be scarf, V-type tangent plane, arc convex surface, circular arc concave surface or any configuration face, so that supporting seat supports this fluorescent tube effectively.The below that supporting seat is arranged at fluorescent tube is with support luminous tube or be arranged at the both sides of fluorescent tube, with this fluorescent tube of support fixation.In another embodiment, supporting seat of the present invention also can extend through this spatial accommodation to this first plate in order to support first plate by this second plate, to keep the spatial accommodation between first plate and second plate, is broken to prevent fluorescent tube to be squeezed.
According to above-mentioned; The present invention provides a kind of backlight module with bracing or strutting arrangement; Utilize this bracing or strutting arrangement to support this fluorescent tube, and make the heat of this fluorescent tube generation be dissipated into the outside of backlight module, make the working temperature of this fluorescent tube be in steady state (SS) by the air vent of this bracing or strutting arrangement.
Description of drawings
Fig. 1 illustrates the cut-open view of a backlight module of prior art;
Fig. 2 illustrates the cut-open view of another backlight module of prior art;
Fig. 3 is the cut-open view according to the backlight module that has bracing or strutting arrangement in the embodiment of the invention;
Fig. 4 is the vertical view according to this bracing or strutting arrangement among Fig. 3 of the present invention.
[primary clustering symbol description]
100,200 backlight modules, 102,202 first plates
104,204 second plates, 106,206 fluorescent tubes
108 bronze medal posts, 110,210 screw thread perforations
208 convex closures, 212 screws
214 supports
300 bracing or strutting arrangements, 302 backlight modules
304 first plates, 306 second plates
308 convex structures, 310 spatial accommodations
312 light sources, 314 concave domains
316 supporting seats, 318 connecting portions
The 320a first air vent 320b second air vent
322 fixation kits, 324 screw-thread bushes
Embodiment
With reference to figure 3, it is according to the cut-open view of the backlight module that has bracing or strutting arrangement 300 in the embodiment of the invention 302.This backlight module 302 comprises first plate 304, second plate 306 (or being called structural slab), a plurality of convex structure 308 and bracing or strutting arrangement 300.Second plate 306 is connected in this first plate 304, forms a spatial accommodation 310 between this first plate 304 and this second plate 306, in order to hold a plurality of light sources 312.In one embodiment, this first plate 304 for example is diffuser plate, Polarizer or its combination.A plurality of convex structures 308 are arranged on this second plate 306 and by this second plate 306 and extend to this spatial accommodation 310; Each convex structure 308 has a concave domain 314; Be locked in those concave domains 314 respectively by a plurality of fixation kits 322, with fixing this backlight module 302.
Bracing or strutting arrangement 300 is arranged on this second plate 306, extends to this spatial accommodation 310 by this second plate 306, and in order to support those light sources 312, what make fluorescent tube firmly is arranged at this backlight module 302.This bracing or strutting arrangement 300 comprises a plurality of supporting seats 316 and a plurality of connecting portion 318.A plurality of supporting seats 316 protrude from this second plate 306 and extend to those light source 312 directions; In order to support those light sources 312; A plurality of connecting portions 318 are arranged between this supporting seat 316, in order to connect this supporting seat 316, for example are to link together through a junction 318 between two supporting seats 316.
Each supporting seat 316 has at least one first air vent 320a and at least one second air vent 320b; So that the heat that this light source 3 12 produces is dissipated into the outside of this second plate 306 via this first air vent 320a and the second air vent 320b, so that the working temperature of fluorescent tube 312 is in stable and does not have overheated state.In addition, each supporting seat 316 driving fit can avoid this bracing or strutting arrangement 300 of light leak and auxiliary fixing on this second plate 306 in this second plate 306.In one embodiment, when this supporting seat 316 is contacted with this light source 312, heat exchange pattern capable of using is discharged heat outside the backlight modules 302 via supporting seat 316, and utilizes the supporting seat 316 of this bracing or strutting arrangement 300 to support these light sources 312.In another embodiment, when this supporting seat 316 approaches this light source 312, thermal convection mode capable of using is discharged heat outside the backlight module 302 via this first air vent 320a and the second air vent 320b.It should be noted that when supporting seat 316 is contacted with this light source 312, this first air vent 320a more capable of using and the second air vent 320b are dissipated into heat with the thermal convection mode outside of this second plate 306.And this first air vent 320a and the second air vent 320b can be arranged at the optional position of supporting seat 316, with the heat of effective eliminating fluorescent tube 312 generations.
The supporting seat 316 of bracing or strutting arrangement 300 of the present invention has plane configuration, and in order to fixed lamp tube, and same fluorescent tube 312 two sides are supported by a plurality of supporting seats 316.In addition, supporting seat 316 also can be scarf, V-type tangent plane, arc convex surface, circular arc concave surface or any configuration face, so that supporting seat 316 supports this fluorescent tube 312 effectively.Supporting seat 316 is arranged at the below of fluorescent tube 312 with support luminous tube 312, or is arranged at the both sides of fluorescent tube 312, with this fluorescent tube 312 of support fixation.In another embodiment; Supporting seat 316 of the present invention more can extend through this spatial accommodation to the first plate in order to support first plate 304 by this second plate; To keep the spatial accommodation 310 between first plate 304 and second plate 306, broken to prevent fluorescent tube 312 to be squeezed.
In one embodiment; Each concave domain 314 is a perforate; And each fixation kit 322 is a screw, is attached in this perforate by this screw, makes this bracing or strutting arrangement 300 be fixed on this second plate 306 and fixing this backlight module 302; Make inside surface and this screw of this perforate form complete state of contact, improve the anti-twisting property of backboard.This fixation kit 322 also can be copper post or the fixation kit of other pattern, for example bolt.This bracing or strutting arrangement 300 also comprises a plurality of screw-thread bushes 324; Each screw-thread bush 324 is coupled to each perforate 314; By this screw or the copper post is attached in this screw-thread bush 324; Make screw-thread bush 324 receive screw or copper is pillared opens, let screw-thread bush 324 and perforate 314 inwalls fit tightly, make this bracing or strutting arrangement 300 be fixed on this second plate 306 and fixing this backlight module 300.Further make inside surface and this screw of this screw-thread bush 324 form complete state of contact, improve twisting resistance.In another embodiment; When not using screw-thread bush 324; Utilize this screw to form screw thread when being attached in this perforate with screw; Make inside surface and this screw of this perforate form complete state of contact, when for example being plastic material, when screw is attached in this perforate, utilize this screw in perforate, to form screw thread as if second plate 306.
In one embodiment, each convex structure 308 is to be an any solid construction of geometric shape, that is the section shape of this solid construction is shape arbitrarily, makes from the light guide effect of light source preferablely, and section shape for example is triangle, trapezoidal and circular arc.
Continuation is with reference to figure 3, and each convex structure 308 is positioned at the inboard of second plate 306, that is is reference field with second plate 306, and convex structure 308 is positioned at the same side of a plurality of fluorescent tubes 312.When this backlight module 302 is installed; Mainly be that threaded hole 314 through each convex structure 308 is locked in this backlight module 302 on the support 326 of a display system; Because each convex structure 308 is extended internally by second plate 306; Therefore the integral thickness of this backlight module 302 equals formed thickness between first plate 304 and second plate 306; So the display system after installing is because the thickness of this backlight module 302 is constant, to avoid the making integral thickness of backlight module 302 become big because of convex structure 308.
With reference to figure 3 and Fig. 4, Fig. 4 is the vertical view according to this bracing or strutting arrangement 300 among Fig. 3 of the present invention.In one embodiment, this supporting seat 316, this connecting portion 318 and this screw-thread bush 324 are formed in one.In another embodiment, this supporting seat 316 and this connecting portion 318 are formed in one.The material of this bracing or strutting arrangement 300 is metal material or the material that is prone to heat radiation, to improve fluorescent tube 312 radiating effects, makes backlight module be in stable duty.This supporting seat 316 of each of this bracing or strutting arrangement 300 is positioned at spatial accommodation 310 and protrudes from second plate 306 and extends to fluorescent tube 312 directions, that is is reference field with second plate 306, and supporting seat 316 is positioned at the same side of a plurality of fluorescent tubes 312.When this backlight module 302 is installed, mainly be that the threaded hole 314 through each convex structure 308 is locked in this bracing or strutting arrangement 300 on the support 326 and second plate 306 of a display system.Because bracing or strutting arrangement 300 is extended internally by second plate 306; Therefore the integral thickness of this backlight module 302 equals formed thickness between first plate 304 and second plate 306; So the display system after installing because the thickness of this backlight module 302 is constant, makes the integral thickness of backlight module 302 become big to avoid because of convex structure 308 and bracing or strutting arrangement 300.
According to above-mentioned, the present invention provides a kind of backlight module with bracing or strutting arrangement, utilizes the fluorescent tube of this this backlight module of bracing or strutting arrangement support, and makes the heat of this fluorescent tube generation be dissipated into the outside of backlight module by the air vent of this bracing or strutting arrangement.In addition, the backlight module with bracing or strutting arrangement of the present invention improves the anti-twisting property of backboard, and avoids the integral thickness of backlight module to become big.
Though the present invention discloses as above with a preferred embodiment; Right its is not in order to limit the present invention; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (24)
1. a backlight module is characterized in that, comprising:
One first plate;
One second plate is connected in this first plate, forms a spatial accommodation between this first plate and this second plate, in order to hold a plurality of fluorescent tubes; And
A plurality of convex structures; Be arranged on this second plate and directly and extend to form and extend to this spatial accommodation by this second plate; Each those convex structure has a concave domain, is locked in those concave domains respectively by a plurality of fixation kits, with fixing this backlight module; And a bracing or strutting arrangement, be arranged on this second plate, extend to this spatial accommodation by this second plate, in order to support lamp tubes;
Wherein, each those concave domain is a perforate, and each this fixation kit is a screw, is attached in this perforate by this screw, makes this bracing or strutting arrangement be fixed on this second plate and fixing this backlight module.
2. backlight module as claimed in claim 1 is characterized in that, this bracing or strutting arrangement comprises:
A plurality of supporting seats protrude from this second plate and extend to the lamp tubes direction, in order to the support fixation lamp tubes; And
A plurality of connecting portions are arranged between those supporting seats, in order to connect those supporting seats.
3. backlight module as claimed in claim 2 is characterized in that, each those supporting seat has at least one first air vent and at least one second air vent, so that the heat that lamp tubes produces is dissipated into the outside of this second plate.
4. backlight module as claimed in claim 2 is characterized in that, the configuration of each those supporting seat is to be selected from one of group that plane, scarf, V-type tangent plane, arc convex surface and circular arc concave surface formed.
5. backlight module as claimed in claim 2 is characterized in that, at least one supporting seat is in order to support this first plate, to keep this spatial accommodation between this first plate and this second plate.
6. backlight module as claimed in claim 2 is characterized in that those supporting seat correspondences are arranged at the below of lamp tubes, with the lamp tubes support fixation.
7. backlight module as claimed in claim 2 is characterized in that those supporting seat correspondences are arranged at the both sides of lamp tubes, with the lamp tubes support fixation.
8. backlight module as claimed in claim 2 is characterized in that, each those supporting seat driving fit is in this second plate.
9. backlight module as claimed in claim 2; It is characterized in that; This bracing or strutting arrangement also comprises a plurality of screw-thread bushes; Each those screw-thread bush is coupled to each those perforate, is attached in this screw-thread bush by this screw, makes this bracing or strutting arrangement be fixed on this second plate and fixing this backlight module.
10. backlight module as claimed in claim 9 is characterized in that, those supporting seats, those connecting portions and those screw-thread bushes are formed in one.
11. backlight module as claimed in claim 2 is characterized in that, those supporting seats and those connecting portions are formed in one.
12. backlight module as claimed in claim 1 is characterized in that, the material of this bracing or strutting arrangement is a metal material.
13. a backlight module is applicable to a LCD, it is characterized in that, this backlight module comprises:
One structural slab has a spatial accommodation, in order to hold a plurality of fluorescent tubes;
A plurality of convex structures; Be arranged on this structural slab and directly and extend to form and extend to this spatial accommodation by this structural slab; Each those convex structure has a concave domain, is locked in those concave domains respectively by a plurality of fixation kits, with fixing this backlight module;
And a bracing or strutting arrangement, be arranged on this structural slab and and extend to this spatial accommodation, in order to support lamp tubes by this structural slab;
Wherein, each those concave domain is a perforate, and each this fixation kit is a screw, is attached to this perforate by this screw, makes this bracing or strutting arrangement be fixed on this structural slab and fixing this backlight module.
14. backlight module as claimed in claim 13 is characterized in that, this bracing or strutting arrangement comprises:
A plurality of supporting seats protrude from this structural slab and extend to the lamp tubes direction, in order to the support fixation lamp tubes; And
A plurality of connecting portions are arranged between those supporting seats, in order to connect those supporting seats.
15. backlight module as claimed in claim 14 is characterized in that, each those supporting seat has at least one first air vent and at least one second air vent, so that the heat that lamp tubes produces is dissipated into the outside of this structural slab.
16. backlight module as claimed in claim 14 is characterized in that, the configuration of each those supporting seat be selected from group that plane, scarf, V-type tangent plane, arc convex surface and circular arc concave surface formed it
17. backlight module as claimed in claim 14 is characterized in that, at least one supporting seat is in order to support this structural slab, to keep this spatial accommodation of this structural slab.
18. backlight module as claimed in claim 14 is characterized in that, those supporting seat correspondences are arranged at the below of lamp tubes, with the lamp tubes support fixation.
19. backlight module as claimed in claim 14 is characterized in that, those supporting seat correspondences are arranged at the both sides of lamp tubes below, with the lamp tubes support fixation.
20. backlight module as claimed in claim 14 is characterized in that, each those supporting seat driving fit is in this structural slab.
21. backlight module as claimed in claim 14; It is characterized in that; This bracing or strutting arrangement more comprises a plurality of screw-thread bushes; Each those screw-thread bush is coupled to each those perforate, is attached in this screw-thread bush by this screw, makes this bracing or strutting arrangement be fixed on this structural slab and fixing this backlight module.
22. backlight module as claimed in claim 21 is characterized in that, those supporting seats, those connecting portions and those screw-thread bushes are formed in one.
23. backlight module as claimed in claim 14 is characterized in that, those supporting seats and those connecting portions are formed in one.
24. backlight module as claimed in claim 13 is characterized in that, the material of this bracing or strutting arrangement is a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810089919A CN101251681B (en) | 2008-04-09 | 2008-04-09 | Backlight module with supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810089919A CN101251681B (en) | 2008-04-09 | 2008-04-09 | Backlight module with supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101251681A CN101251681A (en) | 2008-08-27 |
| CN101251681B true CN101251681B (en) | 2012-09-19 |
Family
ID=39955137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810089919A Active CN101251681B (en) | 2008-04-09 | 2008-04-09 | Backlight module with supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101251681B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798042B (en) * | 2012-07-31 | 2014-09-17 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567059A (en) * | 2003-07-09 | 2005-01-19 | 友达光电股份有限公司 | Backlight module |
| CN1641436A (en) * | 2004-01-05 | 2005-07-20 | 鸿富锦精密工业（深圳）有限公司 | Straight-down backlight module |
| CN2741068Y (en) * | 2004-09-20 | 2005-11-16 | 辅祥实业股份有限公司 | Backlight mould set |
| CN1808231A (en) * | 2005-01-19 | 2006-07-26 | 财团法人工业技术研究院 | Heat radiation design of backlight module |
-
2008
- 2008-04-09 CN CN200810089919A patent/CN101251681B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567059A (en) * | 2003-07-09 | 2005-01-19 | 友达光电股份有限公司 | Backlight module |
| CN1641436A (en) * | 2004-01-05 | 2005-07-20 | 鸿富锦精密工业（深圳）有限公司 | Straight-down backlight module |
| CN2741068Y (en) * | 2004-09-20 | 2005-11-16 | 辅祥实业股份有限公司 | Backlight mould set |
| CN1808231A (en) * | 2005-01-19 | 2006-07-26 | 财团法人工业技术研究院 | Heat radiation design of backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101251681A (en) | 2008-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4648070B2 (en) | Display device | |
| KR100966940B1 (en) | Liquid crystal display panel | |
| KR100680686B1 (en) | Liquid crystal display device | |
| WO2012159331A1 (en) | Display device and backlight module | |
| TW589494B (en) | Direct type backlight module | |
| CN102392997A (en) | Back board, backlight module and liquid crystal display device | |
| CN102043275B (en) | Liquid crystal display and assembling method of backlight module thereof | |
| CN104154454B (en) | Direct type backlight module with light bars located on back side of backboard | |
| CN202394014U (en) | Liquid crystal display module | |
| CN101251681B (en) | Backlight module with supporting device | |
| CN102635837A (en) | Back plate and backlight module using same | |
| US8368837B2 (en) | Liquid crystal display device | |
| US20050128771A1 (en) | Backlight unit for a liquid crystal display device | |
| JP2006294352A (en) | Luminaire | |
| CN100373234C (en) | Backlight module | |
| CN2937824Y (en) | Cold cathode tube connection structure of backlight module | |
| CN1645211A (en) | Direct down backlight module | |
| JP2004334229A (en) | Liquid crystal display device | |
| KR101327547B1 (en) | Dual faces lighting display device | |
| JP4339616B2 (en) | LCD display backlight module | |
| KR100509861B1 (en) | Right below lamp type back light unit system for large panel | |
| CN101004514A (en) | Device of fixing luminous tube, and Backlight module of using the device | |
| CN212178796U (en) | LED panel light | |
| CN213581427U (en) | Wedge-shaped light guide plate backlight source | |
| CN214311226U (en) | Backlight module for LED display screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |