CN1479139A - Fluorescent tube module and back light device including said fluorescent tube module - Google Patents
Fluorescent tube module and back light device including said fluorescent tube module Download PDFInfo
- Publication number
- CN1479139A CN1479139A CNA021418667A CN02141866A CN1479139A CN 1479139 A CN1479139 A CN 1479139A CN A021418667 A CNA021418667 A CN A021418667A CN 02141866 A CN02141866 A CN 02141866A CN 1479139 A CN1479139 A CN 1479139A
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- fluorescent tube
- tube module
- elastic parts
- holding part
- module according
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A fluorescent tube module and a back light unit with said tube module are disclosed. Said tube module is composed of an elastic assembly, a tube, and a supporter. Said elastic assembly has a hole for holding one end of the tube. Said supporter has a receptor (slot) for clamping said elastic assembly by matching its pheg. Said tube module has also a thermal conducting part arranged in the side slot of supporter for dissipating heat.
Description
Technical field
The present invention relates to a kind of fluorescent tube module and comprise the back lighting device of this fluorescent tube module, particularly relate to a kind of back lighting device that is applied to the fluorescent tube module of downward back electro-optical device and comprises this fluorescent tube module.
Background technology
Though traditional cathode ray tube (CRT) device be all can't a nearlyer step on the volume or on the weight dwindle and alleviate.Therefore, characteristic that liquid crystal display (LCD) device is frivolous and excellent display quality replace cathode ray tube device gradually.The difference of liquid crystal indicator and cathode ray tube device is that Liquid crystal module itself can't be luminous, therefore need provide light source.Generally provide the device of liquid crystal indicator light source to be commonly referred to as back lighting device (back light device).
Back lighting device is arranged at the position difference of liquid crystal indicator according to fluorescent tube, usually can be classified as two big classes, one is side direction light inlet back lighting device (edge type back light device), and another is downward back electro-optical device (direct type back light device).The fluorescent tube of side direction light inlet back lighting device is arranged at the side (side or relative both sides) of LCD, generally includes light guide plate (light guide plate), diffuser plate (diffusion plate) and reflecting plate (reflection plate).The light that fluorescent tube produced must be via the light guide plate guiding that is positioned at the fluorescent tube side, then through being positioned at the diffuser plate disperse light of light guide plate top, the light that sheds then reflexes to the direction of diffuser plate via the reflecting plate of below with light, equably with irradiate light in display panels (LCD panel).
Relatively, the downward back electro-optical device does not need light guide plate, and its light directly shines display panels equably via the effect of reflecting plate and diffuser plate.Therefore, the downward back electro-optical device has higher light conduction, and is not subject to the size of viewing area, is applied to the liquid crystal indicator of big display area usually.
The fluorescent tube set-up mode of traditional downward back electro-optical device usually individually directly is stuck in fluorescent tube on the framework of back lighting device or on the reflecting plate, can't securely fluorescent tube be located.So design makes fluorescent tube be subjected to displacement easily, thereby causes back lighting device to produce the phenomenon of light leak or electric leakage.When serious, even electric wire can be pulled apart.In addition, during the fluorescent tube of general replacement back lighting device, must under dustless environment, carry out.When fluorescent tube is directly fixed on the back lighting device framework, can make the dismounting inconvenience of fluorescent tube.For example, when the fluorescent tube fault of the back lighting device of LCD TV, the entire backlight device must be disassembled, under special environment, just fluorescent tube may be changed.Therefore, fluorescent tube is fixed in the mode of framework, can increases the difficulty of changing fluorescent tube, and then postpone servicing time.
At the shortcoming of above-mentioned prior art, be necessary to provide a kind of fluorescent tube module that is applied to back lighting device, to simplify package program and to reduce assembly cost.
Summary of the invention
The object of the present invention is to provide a kind of fluorescent tube module and comprise the back lighting device of this fluorescent tube module, it utilizes fluorescent tube to engage with supporting component with the combination of elastic parts, to simplify package program and to reduce assembly cost.
Another object of the present invention is to provide a kind of fluorescent tube module, it is applied to the downward back electro-optical device, and it provides the supporting component with heat sinking function, but and according to different design requirement maneuverability ground increase and decrease fluorescent tube numbers.
A further object of the present invention is to provide a kind of fluorescent tube module, and it is applied to the back lighting device of LCDs, and it is with the synthetic module of a plurality of light tube group.When back lighting device damages and must change fluorescent tube the time, will the entire backlight device not take the toilet and change fluorescent tube, be replaceable fluorescent tube module at user's end (on-site), to reduce maintenance time delay.
The object of the present invention is achieved like this, and a kind of fluorescent tube module promptly is provided, and comprises an elastic parts, a fluorescent tube and a supporting component.Elastic parts has an incorporating section, as the hole, for an end of taking in fluorescent tube.Supporting component has a carrier, as groove, for the engaging elastic parts.Elastic parts comprises an embolism portion, one first holding part and one second holding part.Embolism portion is located between first holding part and second holding part, and engages with the carrier of supporting component.
When elastic parts engaged with supporting component, first holding part and second holding part moved for restriction embolism portion.First holding part has one first thickness, and embolism portion has one second thickness, and first thickness is greater than second thickness.One side of supporting component has a groove, in order to heat radiation.Fluorescent tube module also comprises a heat-conductive assembly, is arranged in the groove, is used for heat radiation.
Description of drawings
Figure 1A is the synoptic diagram of each assembly of the fluorescent tube module of the embodiment of the invention;
Figure 1B is the elastic parts enlarged drawing of Figure 1A;
Fig. 1 C is the supporting component enlarged drawing of Figure 1A;
Fig. 1 D is arranged at the synoptic diagram in the groove of supporting component of Figure 1A fluorescent tube module for showing heat-conductive assembly;
Fig. 2 be the embodiment of the invention fluorescent tube module in conjunction with synoptic diagram;
Fig. 3 is the decomposing schematic representation that comprises the back lighting device of fluorescent tube module of the present invention.
Embodiment
The present invention discloses a kind of fluorescent tube module, is applied to the back lighting device of flat display apparatus, and it has modular nature, to simplify package program and to reduce assembly cost.In order to make narration of the present invention more detailed and complete, can and cooperate Fig. 1 with reference to following description to shown in Figure 3.
With reference to Figure 1A, Figure 1B and Fig. 1 C, its fluorescent tube module 10 of the present invention in one embodiment, the synoptic diagram of each assembly and partial enlarged drawing.The fluorescent tube module 10 that the present invention discloses comprises an elastic parts 12, a fluorescent tube 14 and a supporting component 16.Elastic parts 12 has an incorporating section 120, as a hole, for an end of taking in fluorescent tube 12.Supporting component 16 has a carrier 160, as a groove, for engaging elastic parts 12.Be noted that at this, in order to reach the purpose of fluorescent tube 14 location, the size of the incorporating section 120 of elastic parts 12, the external diameter of cooperation fluorescent tube 14.For example, when the external diameter of fluorescent tube was (Fen d), the internal diameter of the incorporating section 120 of elastic parts 12 was that (ψ-d), make fluorescent tube 14 can be fixed in the incorporating section 120 of elastic parts 12 reaches the function of locating fluorescent tube.Utilize so design, can avoid the light leak that causes because of fluorescent tube 14 displacements or the phenomenon of electric leakage.
In addition, shown in Figure 1B, elastic parts 12 comprises an embolism portion 122, one first holding part 124 and one second holding part 126.Embolism portion 122 is arranged between first holding part 124 and second holding part 126.In this embodiment, the outward appearance of elastic parts 12 becomes a U type, and first holding part 124 and one second holding part 126 have the outer rim bigger than embolism portion 122, make the conduit of embolism portion 122 shapes as depression, and are positioned between first and second holding part (124 and 126).When elastic parts 12 engaged with supporting component 16, first holding part 124 and second holding part 126 moved for restriction embolism portion 122.
The size of embolism portion 122 is a design parameter engaging with the groove walls edge 164 of supporting component 16.Moreover, the width W of embolism portion 122
122And thickness T
122Width W with groove 160
160And thickness T
160Relevant.For example, when the width W of embolism portion 122
122And thickness T
122Width W with groove 160
160And thickness T
160When identical, utilize the fixation of seizing on both sides by the arms of second holding part 126 and first holding part 124, make embolism portion 122 closely engage, to avoid moving of embolism portion 122 with groove 160.The effect of seizing on both sides by the arms of first holding part 124 cooperates the fixing of second holding part 126, and first holding part 124 has one first thickness T
124, it is greater than second thickness T of embolism portion 122
122, make embolism portion 122 closely engage with groove 160.Be elastic parts 12, the first narrow first thickness T of holding portion 124 that design certain intensity
124Preferred thickness be about second thickness T of embolism portion 122
1221.5 to 2 times.
The material of elastic parts 12 can be materials such as rubber, can utilize the mode of injection mo(u)lding to make.Elastic parts 12 also comprises a channel 128, passes elastic parts 12 for an electric wire (not icon) and connects fluorescent tube 14, to reach the function of reason line and electrical connection.Be noted that at this, in an embodiment,, in fact be not limited to this though the profile of elastic parts 12 is an example with the U type.Fluorescent tube 14 cold cathode fluorescent lamp (ColdCathode Fluorescent Lamp or CCFL fluorescent tube), but that its fluorescent tube kind and shape are not limited to embodiment is described.
Moreover a side of supporting component 16 has a groove 162, in order to heat radiation, shown in Fig. 1 C.For example, the heat energy that fluorescent tube 14 produces can be sent to the two ends of supporting component 16 via groove 162, reaches the effect of heat radiation.In addition, fluorescent tube module 10 of the present invention can also comprise the heat-conductive assembly 18 of a metal material, as a copper rod, is arranged at use (shown in Fig. 1 D) that helps heat radiation in the groove.Be noted that at this Fig. 1 D is in order to the configuration of 162 of the grooves of explanation heat-conductive assembly 18 and supporting component 16.Though Fig. 1 D illustrates the carrier 160 engaging elastic partss 12 of supporting component 16, the carrier 160 engaging elastic partss 12 of supporting component 16 during practical application.In addition, elastic parts 12 also can cooperate heat-conductive assembly 18, does in shape variation in elastic parts 12 and heat-conductive assembly 18 relative parts.For example cooperate heat-conductive assembly 18, also design a groove, to hold heat-conductive assembly 18 on the surface of relative elastic parts 12.The perhaps shaped design of elastic parts 12 engaging with the carrier 160 of supporting component 16, and is a principle with barrier trench 162 not during engaging.
Fig. 2 be the embodiment of the invention fluorescent tube module 10 in conjunction with synoptic diagram, it is combined into a module with a plurality of fluorescent tubes 14, is applied to as the backlight liquid crystal display device.But fluorescent tube module 10 of the present invention increases and decreases fluorescent tube 14 numbers according to different design requirement maneuverability ground, and does not need to make in addition the framework of back lighting device.For example, in the time will increasing and decreasing fluorescent tube 14 numbers, only need the number of the carrier 160 (or groove) of change supporting component 16, or only need fluorescent tube 14, utilize elastic parts 12 to be sticked in previously selected carrier 160 and get final product predetermined number.
In addition, with reference to figure 3, the present invention provides a kind of back lighting device 300 simultaneously, and it comprises above-mentioned fluorescent tube module 10.As shown in Figure 3, fluorescent tube 14 is integrated in the back lighting device 300 with the form of module, fluorescent tube individually is fixed on the framework of back lighting device the maintenance of being more convenient for than existing.That is, when back lighting device 300 damages and must change fluorescent tube 14 time, will entire backlight device 300 (containing framework 302 assemblies such as grade) do not take the toilet and disassemble, to change specific fluorescent tube 14.Only need to hold dismounting and change whole fluorescent tube module 10, can reduce and keep in repair time delay in the user.
The above is preferred embodiment of the present invention only, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the appended claim.
Claims (20)
1. a fluorescent tube module (lamp module) is applied to a back lighting device (back light device), comprising:
One elastic parts (resilient holder), this elastic parts have an incorporating section (accommodation portion);
One fluorescent tube (lamp tube), an end of this fluorescent tube is accommodated in this incorporating section; And
One supporting component (support unit), this supporting component has a carrier (receptionportion), and this carrier is for this elastic parts of engaging.
2. fluorescent tube module according to claim 1, wherein this incorporating section is a hole (cavity).
3. fluorescent tube module according to claim 1, wherein the carrier of this supporting component comprises a groove (groove).
4. fluorescent tube module according to claim 3, wherein this elastic parts comprises an embolism portion, this embolism portion engages with the groove of this supporting component.
5. fluorescent tube module according to claim 4, wherein this elastic parts also comprises one first holding part and one second holding part, this embolism portion is located between this first holding part and this second holding part, when this elastic parts engaged with this supporting component, this first holding part and this second holding part were for limiting moving of this embolism portion.
6. fluorescent tube module according to claim 5, wherein this first holding part has one first thickness, and this embolism portion has one second thickness, and this first thickness is greater than this second thickness.
7. fluorescent tube module according to claim 6, wherein this first thickness is about 1.5 to 2 times of this second thickness.
8. fluorescent tube module according to claim 1, wherein this elastic parts comprises a channel, passes this elastic parts for an electric wire and connects this fluorescent tube.
9. fluorescent tube module according to claim 1, wherein a side of this supporting component has a groove (ditch), and this groove is in order to heat radiation.
10. fluorescent tube module according to claim 9 also comprises a heat-conductive assembly, and this heat-conductive assembly is arranged in this groove as a radiating subassembly.
11. fluorescent tube module according to claim 10, this heat-conductive assembly are a metal material.
12. fluorescent tube module according to claim 11, this heat-conductive assembly are a copper rod.
13. a back lighting device is characterized in that comprising fluorescent tube module as claimed in claim 1.
14. a fluorescent tube module is applied to a direct-type backlight device, comprising:
One elastic parts, this elastic parts have a hole and an embolism portion;
One fluorescent tube, an end of this fluorescent tube is accommodated in this hole; And
One supporting component, this supporting component has a groove, and this groove is for this embolism portion of this elastic parts of engaging.
15. fluorescent tube module according to claim 14, wherein this elastic parts also comprises one first holding part and one second holding part, this embolism portion is located between this first holding part and this second holding part, when this elastic parts engaged with this supporting component, this first holding part and this second holding part were for limiting moving of this embolism portion.
16. fluorescent tube module according to claim 15, wherein this first holding part has one first thickness, and this embolism portion has one second thickness, and this first thickness is greater than this second thickness.
17. fluorescent tube module according to claim 16, wherein this first thickness is about 1.5 to 2 times of this second thickness.
18. fluorescent tube module according to claim 14, wherein this elastic parts comprises a channel, passes this elastic parts for an electric wire and connects this fluorescent tube.
19. fluorescent tube module according to claim 14, wherein a side of this supporting component has a groove, also is provided with the usefulness of a heat-conductive assembly as heat radiation in this groove.
20. a back lighting device is characterized in that comprising fluorescent tube module as claimed in claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021418667A CN1249503C (en) | 2002-08-27 | 2002-08-27 | Fluorescent tube module and back light device including said fluorescent tube module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021418667A CN1249503C (en) | 2002-08-27 | 2002-08-27 | Fluorescent tube module and back light device including said fluorescent tube module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1479139A true CN1479139A (en) | 2004-03-03 |
| CN1249503C CN1249503C (en) | 2006-04-05 |
Family
ID=34147893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021418667A Expired - Fee Related CN1249503C (en) | 2002-08-27 | 2002-08-27 | Fluorescent tube module and back light device including said fluorescent tube module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1249503C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306330C (en) * | 2004-07-21 | 2007-03-21 | 友达光电股份有限公司 | Lamp tube holder |
| CN1317592C (en) * | 2004-07-19 | 2007-05-23 | 友达光电股份有限公司 | Heat radiation fixing device and its radiation method |
| CN1322367C (en) * | 2004-07-29 | 2007-06-20 | 友达光电股份有限公司 | Back light module and low voltage sheet |
| CN100460957C (en) * | 2005-06-24 | 2009-02-11 | 奇菱科技股份有限公司 | Backlight module assembly and its light tube device |
| CN101573554A (en) * | 2007-02-05 | 2009-11-04 | 夏普株式会社 | Backlight device and liquid crystal display device using the same |
| CN100561313C (en) * | 2006-07-05 | 2009-11-18 | 鸿富锦精密工业（深圳）有限公司 | Module backlight and lamp tube securing holder thereof |
| CN1804698B (en) * | 2004-11-12 | 2010-09-29 | 三星电子株式会社 | Backlight assembly with supporting member and display device having the same |
| CN101725928B (en) * | 2008-10-14 | 2012-05-02 | 华映视讯（吴江）有限公司 | Backlight module |
-
2002
- 2002-08-27 CN CNB021418667A patent/CN1249503C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317592C (en) * | 2004-07-19 | 2007-05-23 | 友达光电股份有限公司 | Heat radiation fixing device and its radiation method |
| CN1306330C (en) * | 2004-07-21 | 2007-03-21 | 友达光电股份有限公司 | Lamp tube holder |
| CN1322367C (en) * | 2004-07-29 | 2007-06-20 | 友达光电股份有限公司 | Back light module and low voltage sheet |
| CN1804698B (en) * | 2004-11-12 | 2010-09-29 | 三星电子株式会社 | Backlight assembly with supporting member and display device having the same |
| CN100460957C (en) * | 2005-06-24 | 2009-02-11 | 奇菱科技股份有限公司 | Backlight module assembly and its light tube device |
| CN100561313C (en) * | 2006-07-05 | 2009-11-18 | 鸿富锦精密工业（深圳）有限公司 | Module backlight and lamp tube securing holder thereof |
| CN101573554A (en) * | 2007-02-05 | 2009-11-04 | 夏普株式会社 | Backlight device and liquid crystal display device using the same |
| CN101725928B (en) * | 2008-10-14 | 2012-05-02 | 华映视讯（吴江）有限公司 | Backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1249503C (en) | 2006-04-05 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20060405 Termination date: 20090928 |