CN100437264C - Backlight module and its shell structure - Google Patents
Backlight module and its shell structure Download PDFInfo
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- CN100437264C CN100437264C CNB2006101637629A CN200610163762A CN100437264C CN 100437264 C CN100437264 C CN 100437264C CN B2006101637629 A CNB2006101637629 A CN B2006101637629A CN 200610163762 A CN200610163762 A CN 200610163762A CN 100437264 C CN100437264 C CN 100437264C
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- wire hole
- housing
- shell structure
- light source
- sidewall
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Abstract
The invention relates to an apheliotropic module and its shell construction, the apheliotropic module includes framework, outer casing and at least one light source unit. The framework possesses side wall, the side wall possesses open first outlet hole. The outer casing is set on the outboard of the framework, and possesses open second outlet hole which is corresponding with the first outlet hole. The light source unit is mounted in the framework and corresponding with the side wall, the light source unit possesses at least one light source line. The light source line is thrilled through the first outlet hole and the second outlet hole. The advantages of the apheliotropic module and its shell construction in the invention are following: the light source line is not easy to release from the outlet hole, so the assembling convenience is improved, and it possesses higher percent of pass of production.
Description
Technical field
The present invention relates to a kind of backlight module and shell structure, this shell structure is in particular a kind of shell structure that is used for backlight module.
Background technology
Liquid crystal flat panel display has been widely used in the fields such as TV, display, mobile phone and auto parts, we can say that it is inseparable with human civilized life.Because liquid crystal panel there is no self-luminosity, therefore need be used with the backlight module that light emitting source is arranged, brightness and uniform light source could be provided fully.Generally speaking, the light emitting source that present major part is used in the backlight module is mainly cold-cathode tube (CCFL), but panel vendor for the brightness and life-span, the reduction power consumption that improve flat-panel screens, reduce cost or realize other advantage or the like, gradually adopted new light emitting source technology-light emitting diode (LED).Not only volume is little for light emitting diode, cost is low, and does not contain mercury (Hg), and is comparatively favourable to environmental protection.In addition, along with growth gradually, be that the backlight module technical prospect of light emitting source may surmount cold-cathode tube with the light emitting diode to the lightening demand of flat-panel screens.
As shown in Figure 1, traditional LCD mainly is made up of backlight module 10, liquid crystal panel 20 and loam cake 22.Wherein backlight module also constitutes by diffuser plate 11, prismatic lens 12, light guide plate 13, reflecting plate 14 and framework 15 are superimposed one by one.Please also refer to shown in Figure 2ly, a side of framework 15 is also assembled light emitting diode 16, and the same side of framework 15 also is provided with line outlet 17.The upper limb of rectangular line outlet 17 also is formed with opening 18, for 19 embeddings of lamp source line and the location of light emitting diode 16.Lamp source line 19 passes the back and is connected with connector 21.Yet known backlit module 10 with the process of loam cake 22 assembling in, lamp source line 19 might be run out of or comes off from the opening 18 of line outlet 17.If pay no heed to, lamp source line 19 is just weighed wounded by loam cake 22 in the subsequent group process of assembling most probably, thereby reduces the production qualification rate.
In order to solve such problem, known panel vendor can be at opening 18 place's adhesive tape of paste 23 or other similar fixture of this line outlet 17, thereby avoids lamp source line 19 to detach this line outlet 17, is beneficial to the carrying out of assembling.The man-hour that but the mode of adhesive tape of paste 23 is not only passive, head it off, and this extra action has fully also increased assembling.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of backlight module and shell structure thereof, and it has higher production qualification rate.
Fundamental purpose of the present invention also is to provide a kind of backlight module and shell structure thereof, and it has the advantage that lamp source line is difficult for breaking away from wire hole.
Another object of the present invention is to provide a kind of backlight module and shell structure thereof, it has preferable assembling convenience.
Backlight module of the present invention mainly comprises shell structure and at least one light source cell, and this shell structure comprises first housing and second housing.First housing has sidewall, has the first open wire hole on the sidewall.Second housing is arranged at the sidewall outside of first housing, second housing has enclosed second wire hole, second wire hole is with respect to the first wire hole setting, and this second wire hole is sleeved on the outside of formed this first wire hole of flange, with the border seal with this first wire hole.Light source cell is arranged in first housing of shell structure, and corresponding to the sidewall of first housing, light source cell has at least one lamp source line.Wherein lamp source line passes first wire hole and second wire hole.
In preferred embodiment, the sidewall of first housing also has the flange that extends towards second housing, and flange surrounds the above-mentioned first open wire hole, and forms the opening of first wire hole.In addition, flange also has protuberance, and protuberance is formed at the lower edge of first wire hole, and opening is formed at the upper limb of first wire hole, and protuberance is with respect to the opening setting.Its flange can stretch in second wire hole and with the outer wall of shell and flush setting.
Preferably, the cross section of this second wire hole covers the cross section of this first wire hole.
Preferably, this first housing is made by plastic material.
Preferably, this second housing is made by metal material.
Preferably, this light source cell is light emitting diode, cold cathode fluorescent lamp or external electrode fluorescent lamp.
In another preferred embodiment, the present invention proposes a kind of shell structure, and it uses for backlight module, and shell structure comprises first housing and second housing.First housing has sidewall, has the first open wire hole on the sidewall.Second housing is arranged at the sidewall outside of framework, and second housing has enclosed second wire hole, and second wire hole is with respect to the first wire hole setting.
The advantage of backlight module of the present invention and shell structure thereof is: lamp source line is difficult for breaking away from wire hole, thereby has improved the assembling convenience, and has higher production qualification rate.
Description of drawings
Fig. 1 is the exploded view of the liquid crystal display device structure of known backlit module and its application;
Fig. 2 is the enlarged diagram of the A part of Fig. 1;
Fig. 3 is the exploded view of backlight module of the present invention;
Fig. 4 is the stereographic map after Fig. 3 assembling;
Fig. 5 is the combination stereo amplification figure of another embodiment of assembling of framework and the shell of the C part of Fig. 4;
Fig. 6 is the stereo amplification figure after another embodiment of framework and shell assembling of the C part of Fig. 4 assembles;
Fig. 7 is a front elevation embodiment illustrated in fig. 6;
Fig. 8 is the synoptic diagram of the embodiment of shell structure of the present invention.
Wherein, description of reference numerals is as follows:
100 backlight modules, 110 diffuser plates, 120 prismatic lenses, 130 light guide plate
140 reflecting plates, 150 frameworks, 152 sidewalls, 154 first wire holes
156 flanges, 158 openings, 159 protuberances, 160 light source cells
162 lamp source lines, 164 connectors, 170 light emitting diodes, 200 shells
202 second wire holes, 801 first housings, 802 second housings
Embodiment
The invention provides a kind of be difficult for weighing wounded lamp source line and difficult backlight module and the shell structure thereof that breaks away from wire hole of lamp source line.With preferred embodiment, the backlight technology of this backlight module preferably adopts the side-light type structure of side formula light inlet, and preferably is applied on the two-d display panel.Yet in other different embodiment, the backlight technology of backlight module also can use the straight-down negative ray structure that makes progress luminous.Below promptly cooperate appended accompanying drawing, further specify each specific embodiment of the present invention and step thereof:
As Fig. 3 or shown in Figure 4, it is the decomposition of backlight module of the present invention and combination schematic perspective view.Backlight module 100 of the present invention mainly comprises framework 150, shell 200 and at least one light source cell 160.Its middle frame 150 is a rectangular box, and has sidewall 152.On this sidewall 152, has the first open wire hole 154; In other words, first wire hole 154 is nonocclusive slotted eye, and has an external opening.Shell 200 has enclosed second wire hole 202, and sidewall 152 outsides that are assembled in framework 150 are set.Second wire hole 202 is provided with respect to first wire hole 154; In other words, it is overlapping that second wire hole 202 and first wire hole 154 have the cross section of a part at least.Light source cell 160 is arranged in the framework 150, and corresponding to sidewall 152, light source cell 160 has at least one lamp source line 162.Wherein lamp source line 162 passes first wire hole 154 and second wire hole 202.
In the embodiment shown in fig. 3, first wire hole 154 and second wire hole 202 preferably all have the cross sectional shape of rectangle.Yet in different embodiment, the cross sectional shape of first wire hole 154 and second wire hole 202 also can be other different shape.In addition, first wire hole 154 and second wire hole 202 preferably have identical cross sectional shape.Yet in different embodiment, the cross sectional shape of first wire hole 154 and second wire hole 202 also can be different.
In preferred embodiment as shown in Figure 3, backlight module 100 also comprises diffuser plate 110, prismatic lens 120, light guide plate 130 and reflecting plate 140.Rectangular framework 150 can be assembled to above-mentioned diffuser plate 110, prismatic lens 120, light guide plate 130 and reflecting plate 140 in the framework 150 one by one.In addition, light source cell 160 preferably adopts light emitting diode 170 as mentioned herein, and light emitting diode 170 is distributed in the light source cell 160 seriatim, and sidewall 152 assemblings of associated frame members 150.Yet in other different embodiment, light source cell 160 also can be cold cathode fluorescent lamp (Cold Cathode Fluorescent Lamp, CCFL) or be external electrode fluorescent lamp (External Electrode Fluorescent Lamp, EEFL).In embodiment as shown in Figure 4, the cross section of second wire hole 202 preferably covers the cross section of first wire hole 154.In other words, the sectional area of second wire hole 202 is preferably more than or equal to the sectional area of first wire hole 154.
As Fig. 5 and shown in Figure 6, the sidewall 152 of framework 150 has the flange 156 that extends towards the direction of shell 200.Flange 156 surrounds the above-mentioned first open wire hole 154, and forms the opening 158 of first wire hole 154.In this preferred embodiment, flange 158 preferably can stretch in second wire hole 202, and flushes setting with the outer wall of shell 200.In other words, second wire hole 202 is sleeved on the outside of flange 158 formed first wire holes 154, and will originally be open first wire hole, 154 sealings.By this design, can avoid first wire hole 154 and second wire hole 202 that the dislocation situation that can not expect takes place, and can increase stability of structure.Yet in other different embodiment, also can on the sidewall 152 of framework 150, directly form first wire hole 154, that is to say the setting of omitting flange 156 by die casting or perforation means.
In addition, flange 156 also has protuberance 159.In embodiment as shown in Figure 7, protuberance 159 preferably is formed at the lower edge central authorities of first wire hole 154.Yet in different embodiment, the position is set also can cooperates the quantity of wire rod and thickness and change of protuberance 159.As shown in Figure 7, opening 158 is formed at the upper limb of first wire hole 154, and protuberance 159 is provided with respect to opening 158.By the setting of protuberance 159, the lamp source line 162 of separate sources can be distinguished, avoid confusion reigned and pull the destruction situation.
Generally speaking, framework 150 is a plastic material, to alleviate the weight of backlight module 100; In addition, the sidewall 152 of framework 150 has certain thickness, keeping the intensity of structure, and in order to ccontaining light source cell 160.Shell 200 mostly is metal material, in order to fix and to finalize the design in backlight module 100.The setting of its flange 156 preferably with framework 150 ejection formation integratedly.In addition, above-mentioned assembling is preferably with each the spare part locking with backlight module of a plurality of screw (not shown)s.
Another preferred embodiment of the present invention provides a kind of shell structure that is applicable to the backlight module use of flat-panel screens.As shown in Figure 8, shell structure comprises first housing 801 and second housing 802.Wherein first housing 801 is a rectangular box preferably, and has sidewall 152.Yet in different embodiment, first housing 801 also can be other shape.Has the first open wire hole 154 on the sidewall 152; In other words, first wire hole 154 is nonocclusive slotted eye, and has an external opening.First wire hole 154 is preferably surrounded by the flange 156 of sidewall 152.In addition, first housing 801 is preferably made by plastic material; Yet in different embodiment, first housing 801 also can be made by metal material, or is mixed and made into by metal and plastic material.
As shown in Figure 8, second housing 802 has enclosed second wire hole 202, and sidewall 152 outsides that are assembled in framework 150 are set.Second wire hole 202 is provided with respect to first wire hole 154; In other words, it is overlapping that second wire hole 202 and first wire hole 154 have the cross section of a part at least.Second housing 802 is preferably made by metal material.Yet in different embodiment, second housing 802 also can be made by plastic material, or is made by other material or made from mixed materials.
In the embodiment shown in fig. 8, the flange 156 that forms the sidewall 152 of first wire hole 154 stretches in second wire hole 202; In other words, second wire hole 202 is sleeved on flange 158 formed first wire holes 154 outsides, and will originally be open first wire hole, 154 sealings.By this design, the dislocation situation that can avoid first wire hole 154 and second wire hole 202 to take place, and can increase stability of structure.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.It must be noted that disclosed embodiment does not limit the scope of the invention.On the contrary, be contained in the modification of spirit in claims and scope and be equal to be provided with and all be contained in the scope of the present invention.
Claims (9)
1. shell structure, it is applicable to the backlight module of flat-panel screens, this shell structure comprises:
One first housing, it has a sidewall, has one first open wire hole on this sidewall; And
One second housing, it is arranged at the outside of this sidewall of this first housing, this second housing has enclosed one second wire hole, wherein this second wire hole is with respect to this first wire hole setting, this second wire hole is sleeved on the outside of formed this first wire hole of flange, with the border seal with this first wire hole.
2. shell structure as claimed in claim 1, wherein, the cross section of this second wire hole covers the cross section of this first wire hole.
3. shell structure as claimed in claim 1, wherein, this sidewall of this first housing comprises a flange that extends towards this second housing, this flange surrounds this open first wire hole, and forms an opening of this first wire hole.
4. shell structure as claimed in claim 3, wherein, this flange has a protuberance, and this protuberance is formed at the lower edge of this first wire hole, and this opening is formed at the upper limb of this first wire hole, and this protuberance is provided with respect to this opening.
5. shell structure as claimed in claim 3, wherein, this flange stretches in this second wire hole.
6. shell structure as claimed in claim 1, wherein, this first housing is made by plastic material.
7. shell structure as claimed in claim 1, wherein, this second housing is made by metal material.
8. backlight module, it comprises:
Shell structure as claimed in claim 1; And
At least one light source cell, it is arranged in first housing of this shell structure, and corresponding to this sidewall of this first housing, this light source cell has at least one lamp source line; Wherein this lamp source line passes this first wire hole and this second wire hole.
9. backlight module as claimed in claim 8, wherein, this light source cell is light emitting diode, cold cathode fluorescent lamp or external electrode fluorescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101637629A CN100437264C (en) | 2006-12-04 | 2006-12-04 | Backlight module and its shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101637629A CN100437264C (en) | 2006-12-04 | 2006-12-04 | Backlight module and its shell structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1971358A CN1971358A (en) | 2007-05-30 |
| CN100437264C true CN100437264C (en) | 2008-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101637629A Active CN100437264C (en) | 2006-12-04 | 2006-12-04 | Backlight module and its shell structure |
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| Country | Link |
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| CN (1) | CN100437264C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI440930B (en) | 2009-07-24 | 2014-06-11 | Au Optronics Corp | Flat panel display module |
| CN101630076B (en) * | 2009-08-18 | 2011-08-03 | 友达光电股份有限公司 | Panel display module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6501642B2 (en) * | 2000-04-07 | 2002-12-31 | Lg. Philips Lcd Co., Ltd | Structure for preventing wires from being damaged |
| US20050042913A1 (en) * | 2003-08-20 | 2005-02-24 | Hong-Tien Yu | Mounting structure for lamp wires of a back light module |
| US20050094054A1 (en) * | 2003-10-30 | 2005-05-05 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display module having structure for preventing wires from being damaged and method of fabricating the same |
| CN1257425C (en) * | 2001-07-11 | 2006-05-24 | Lg.飞利浦Lcd有限公司 | Construction for assembing lamp line for back-light element in module of liquid crystal display |
-
2006
- 2006-12-04 CN CNB2006101637629A patent/CN100437264C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6501642B2 (en) * | 2000-04-07 | 2002-12-31 | Lg. Philips Lcd Co., Ltd | Structure for preventing wires from being damaged |
| CN1257425C (en) * | 2001-07-11 | 2006-05-24 | Lg.飞利浦Lcd有限公司 | Construction for assembing lamp line for back-light element in module of liquid crystal display |
| US20050042913A1 (en) * | 2003-08-20 | 2005-02-24 | Hong-Tien Yu | Mounting structure for lamp wires of a back light module |
| US20050094054A1 (en) * | 2003-10-30 | 2005-05-05 | Lg.Philips Lcd Co., Ltd. | Liquid crystal display module having structure for preventing wires from being damaged and method of fabricating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1971358A (en) | 2007-05-30 |
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