CN2727793Y - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN2727793Y CN2727793Y CN 200420082910 CN200420082910U CN2727793Y CN 2727793 Y CN2727793 Y CN 2727793Y CN 200420082910 CN200420082910 CN 200420082910 CN 200420082910 U CN200420082910 U CN 200420082910U CN 2727793 Y CN2727793 Y CN 2727793Y
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- cell body
- linear light
- matrix
- module backlight
- 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 - Lifetime
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model relates to a back light module and a liquid crystal display device. The back light module comprises a substrate and at least a pair of holding bodies arranged on the substrate. The holding bodies are provided with at least one groove body which is a groove with irregular sized axial space, and at least a linear light source is elastically contained and held in the groove body. The back light module and liquid crystal display device of the utility model has the advantages of high performance, quick assembly and low cost.
Description
[technical field]
The utility model relates to a kind of module backlight and liquid crystal indicator.
[background technology]
Liquid crystal indicator is that a kind of build is frivolous, the display of power saving and altitude figureization, and its application is very extensive, and one of them important application is a large-sized monitor, as LCD TV etc.
The large scale liquid crystal display device needs the module backlight in it that more light source is set, and as cold cathode fluorescent tube, therefore, each element modularity in the liquid crystal indicator and quick assembling light source is helped improving the production efficiency of liquid crystal indicator.
Seeing also Fig. 1, is the 6th, 330, No. 150 disclosed a kind of liquid crystal indicators of United States Patent (USP) of bulletin on Dec 11 calendar year 2001.This liquid crystal indicator 100 comprises a liquid crystal panel 13, a shell 12 and Duo Gen fluorescent tube 17.This liquid crystal panel 13 is integrated in module backlight (figure does not show) in it, the side of its corresponding module backlight has a plurality of rectangular through-hole 131, fluorescent tube 17 can insert this through hole 131, utilization is sheathed on the resilient clamp power of 132 of the sleeve pipe 18 of fluorescent tube 17 1 ends and through hole 131 inwalls, and fluorescent tube 17 is immobilizated in the liquid crystal panel 13.For the benefit of fluorescent tube 17 inserts this through hole 131, these through hole 131 inwalls 132 can be made as incline structure, and in addition, these fluorescent tube 17 end extracting power supply cords 171 are these fluorescent tube 17 transmission currents.When changing fluorescent tube 17, the resilient clamp power that relief sleeve 18 and through hole 131 inwalls are 132, promptly replaceable fluorescent tube 17.
This patent provides a kind of liquid crystal indicator package technique, but there are some problems in it.
At first, this fluorescent tube 17 can not be by fixing fast and securely.Resilient clamp power is immobilizated in the liquid crystal panel 13 between through hole 131 inwalls of the sleeve pipe 18 that is sheathed on its end and liquid crystal panel 13 because this fluorescent tube 17 only utilizes, therefore when these liquid crystal indicator 100 uses, transportation or accidental impact, this sleeve pipe 18 can not prevent fully that with the resilient clamp power of through hole 131 inwalls fluorescent tube 17 breaks away from from this through hole 131.And, this patented technology for the benefit of fluorescent tube 17 is inserted this through hole 131 and these through hole 131 inwalls 132 is made as outward-dipping structure, but, the outward-dipping structure of this inwall 132 makes this sleeve pipe 18 and the resilient clamp power of through hole 131 inwalls reduce, this fluorescent tube 17 can not be fine by fixing, these through hole 131 inwalls 132 is made as parallel construction is unfavorable for that then fluorescent tube 17 assembles fast.In addition, an other end 172 of these fluorescent tube 17 no sleeve pipes 18 causes this fluorescent tube 17 fixing not by fixing, also increases the possibility that this fluorescent tube 17 breaks away from from this through hole 131.
Secondly, this fluorescent tube 17 damages when assembling easily.Because this fluorescent tube 17 inserted or when extracting this through hole 131 out, because fluorescent tube 17 thin (about 2～3mm), and it is relatively more fragile, insert or extraction in slightly offset direction promptly may cause fluorescent tube 17 to damage, in addition, after an end 172 of these fluorescent tube 17 no sleeve pipes 18 inserts this through hole 131, may cause this end 172 to damage, particularly push the fluorescent tube 17 that to fracture when this fluorescent tube 17 is arranged with an end of sleeve pipe 18, so the fine ratio of product of this liquid crystal indicator 100 is lower and cost is higher.
In addition, no sleeve pipe 18 on the general fluorescent tube 17 when making fluorescent tube 17 must be set up sleeve pipe earlier for fixing fluorescent tube 17 on fluorescent tube 17, also increase built-up time and operation.
[utility model content]
For overcome prior art module bad mechanical property backlight, packaging efficiency is low and defect of high cost, the utility model provides a kind of mechanical property height, be suitable for assembling and the low module backlight of cost fast.
For overcome prior art liquid crystal indicator bad mechanical property, packaging efficiency is low and defect of high cost, the utility model provides a kind of mechanical property height, be suitable for assembling and the low liquid crystal indicator of cost fast.
The technical scheme that the utility model technical solution problem is adopted is: a module backlight is provided, it comprises a matrix, at least one pair of is arranged at the holding body on this matrix, this holding body has at least one cell body, this at least one cell body is an axial space groove not of uniform size, and at least one linear light sorurce is accommodated and elasticity is immobilizated in this cell body.
In addition, this cell body comprises the cell body neck of opening portion and the cell body resettlement section that communicates with the cell body neck, and this cell body resettlement section diameter is greater than the diameter of this cell body neck, and can accommodate this linear light sorurce end.This cell body resettlement section comprises two parts that the space diameter is different vertically, and these cell body two parts are the light source body and the electrode part of this linear light sorurce end of resilient clamp respectively.
The utility model provides a kind of liquid crystal indicator simultaneously, this liquid crystal indicator comprises a liquid crystal panel, a matrix, at least one pair of is arranged at holding body and at least one linear light sorurce on this matrix, this at least one linear light sorurce is between this liquid crystal panel and this matrix, this holding body has at least one cell body, this at least one cell body is an axial space groove not of uniform size, and this at least one linear light sorurce is accommodated and elasticity is immobilizated in this cell body.
In addition, this cell body comprises the cell body neck and the cell body resettlement section that links to each other with the cell body neck of opening portion, and this cell body resettlement section diameter is greater than the diameter of this cell body neck, and can accommodate this linear light sorurce end.This cell body resettlement section comprises two parts that the space diameter is different vertically, and these cell body two parts are the light source body and the electrode part of this linear light sorurce end of resilient clamp respectively.
Compare with prior art, the utlity model has following advantage: because the cell body of the holding body of the utility model module backlight and liquid crystal indicator is an axial space groove not of uniform size, therefore this linear light sorurce is that the holding body elasticity that is arranged at its two ends is replaced and can not be come off, and, diameter less cell body neck in space prevents that further this linear light sorurce from coming off from this holding body, so this linear light sorurce can be immobilizated on this matrix securely.Can utilize elasticity quickly and easily the linear light sorurce two ends to be compressed into the cell body of holding body when placing linear light sorurce, and owing to be that linear light sorurce both ends horizontal direction is compressed into holding body, therefore this linear light sorurce is not easy to damage, then can discharge the elasticity fixing relation of this holding body and linear light sorurce when extracting this linear light sorurce out, easily this linear light sorurce be extracted out and can not damaged.In addition, can not need sleeve pipe to be located at its two ends before this linear light sorurce of fixing, therefore reduce built-up time and operation.Therefore, this module backlight and liquid crystal indicator mechanical property height, it is low to be suitable for assembling fast and cost.
[description of drawings]
Fig. 1 is a kind of three-dimensional exploded view of prior art liquid crystal indicator.
Fig. 2 is the three-dimensional exploded view of the utility model module first embodiment backlight.
Fig. 3 is the stereographic map of holding body first embodiment of module backlight shown in Figure 2.
Fig. 4 is the front view of holding body shown in Figure 2.
Fig. 5 is the linear light sorurce shown in Figure 2 and the assembling mode synoptic diagram of holding body.
Fig. 6 is the Assembly Action constitutional diagram of linear light sorurce and holding body shown in Figure 2.
Fig. 7 is another Assembly Action constitutional diagram of linear light sorurce and holding body shown in Figure 2.
Fig. 8 is the front view of holding body second embodiment shown in Figure 2.
Fig. 9 is the front view of holding body the 3rd embodiment shown in Figure 2.
Figure 10 is the front view of holding body the 4th embodiment shown in Figure 2.
Figure 11 is the linear light sorurce shown in Figure 2 and the another assembling mode synoptic diagram of holding body.
Figure 12 is the three-dimensional exploded view of the utility model liquid crystal indicator first embodiment.
Figure 13 is the sectional view of the utility model liquid crystal indicator second embodiment.
Figure 14 is the sectional view of the utility model liquid crystal indicator the 3rd embodiment.
[embodiment]
Seeing also Fig. 2, is the three-dimensional exploded view of the utility model module first embodiment backlight.This module 200 backlight comprises a matrix 20 and one or more pairs of holding bodies 30, this matrix 20 is box-like frame, but it has the base plate 21 and body of wall 22 outstanding around base plate 21 of a reflection ray, this holding body 30 is fixed in this framework, has a cell body 32, this cell body 32 is an axial space groove not of uniform size, and many linear light sorurces 40 are contained in these a plurality of cell bodies 32, and its two ends are 32 elasticity fixings of this cell body.This linear light sorurce 40 comprises a light source body 41 and the electrode 42 of giving prominence to these light source body 41 ends, and these electrode 42 diameters are less than the diameter of this light source body 41, and itself and power supply (figure does not show) electrically connect.
Please consult Fig. 3 and Fig. 4 together, this holding body 30 adopts resilient material to make, and its front is a rectangle.The cell body 32 of this holding body 30 comprises than the circular cell body resettlement section 322 of large space diameter and the cell body neck 321 of cell body 32 opening portions, and the space diameter of this cell body neck 321 is littler than the space diameter of this cell body resettlement section 322.This cell body neck 321 communicates with this cell body resettlement section 322, and its outside opening flare, is beneficial to assemble linear light sorurce 40.
See also Fig. 5, this linear light sorurce 40 ends are accommodated in this cell body resettlement section 322, and its space diameter is slightly less than the space diameter of these linear light sorurce 40 ends, so that enough resilient clamp power fixing linear light sorurces 40 to be provided.This cell body resettlement section 322 comprises different two parts of space diameter (not indicating) vertically, the diameter in this two parts space is slightly less than the diameter of these corresponding light source main body 41 ends and electrode 42 respectively, the end of the part resilient clamp light source body 41 that its space diameter is bigger (not indicating), smaller-diameter portion is resilient clamp electrode 42 then.
Please consult Fig. 6 together, the light source body 41 and the electrode 42 of linear light sorurce 40 can utilize the big opening of cell body neck 321, and level is compressed into cell body resettlement section 322 downwards.Because this holding body 30 adopts resilient material, when linear light sorurce 40 passes through cell body neck 321 through pressure, cell body neck 321 meeting elasticity are opened linear light sorurce 40 are passed through, after linear light sorurce 40 is compressed into cell body resettlement section 322,321 elastic recoverys of cell body neck are tightened up cell body 32 and are made linear light sorurce 40 can not upwards break away from holding body 30.
See also Fig. 7, for linear light sorurce 40 is placed or taken out to the easier cell body neck 321 of opening, cell body 32 both sides of this holding body 30 can all have a fin 31, push this fin 31 and can enlarge this cell body neck 321, make linear light sorurce 40 need not pressure and can insert this cell body 32.
As mentioned above, because the cell body neck of holding body 30 321 outside opening flares, can utilize elasticity quickly and easily cell body resettlement section 322 to be compressed at linear light sorurce 40 two ends, or the fin 31 that utilizes holding body 30 both sides is more convenient apace cell body resettlement section 322 is compressed at linear light sorurce 40 two ends, and owing to be that linear light sorurce 40 both ends horizontal are compressed into cell body resettlement section 322 downwards, so linear light sorurce 40 is not easy to damage.When extracting this linear light sorurce 40 out, can discharge the elasticity fixing relation of this holding body 30 and linear light sorurce 40, quickly and easily this linear light sorurce 40 be extracted out.
And, this cell body resettlement section 322 two parts diameter vertically is slightly less than the light source body 41 and electrode 42 of linear light sorurce 40 respectively, therefore the light source body 41 of this linear light sorurce 40 is replaced for holding body 30 elasticity that are arranged at its two ends, can not move axially and come off, and it is not fragile to be subjected to unexpected bump yet, in addition, can not need other sleeve pipe (figure does not show) to be arranged at its two ends before this linear light sorurce 40 of fixing, thereby reduce cost.So these module 200 mechanical propertys backlight are higher, simple in structure, it is low to be suitable for assembling fast and cost.
See also Fig. 8, this holding body 30 can be made into trapezoidal, with the holding force of further increase to linear light sorurce 40, or the strip shape body with a plurality of cell bodies 32 that can simply assemble as shown in Figure 9.For the benefit of accommodate and clamping linear light sorurce 40, this cell body resettlement section 322 also can be as shown in figure 10 ellipse or rhombus (figure does not show), the oval width in its cross section of two parts that this cell body resettlement section 322 is axial is slightly less than the diameter of light source body 41 and electrode 42 respectively.
Please consult Figure 11 together, this cell body resettlement section 322 also can only be accommodated and the electrode 42 of these linear light sorurce 40 ends of resilient clamp, the diameter of cell body resettlement section 322 then is slightly less than the diameter of this electrode 42 at this moment, therefore this linear light sorurce of these holding body 30 resilient clamp 40 time, replace the light source body 41 of linear light sorurce 40 and linear light sorurce 40 can not moved axially.
Please consulting Figure 12 together, is the three-dimensional exploded view of the utility model liquid crystal indicator first embodiment.This liquid crystal indicator 300 comprises a liquid crystal panel 50, a matrix 20, the many linear light sorurces 40 between this matrix 20 and this liquid crystal panel 50 and many to holding body 30, this holding body 30 is arranged on this matrix 20, and be positioned at this linear light sorurce 40 two ends, wherein, this matrix 20 is box-like frame, but it has the base plate 21 and body of wall 22 outstanding around base plate 21 of a reflection ray, this linear light sorurce 40 is contained in this framework, and these base plate 21 reflectings surface are arranged at the side near this linear light sorurce 40.This holding body 30 is fixed in this base plate 21 inside surfaces, and certainly, it also can be fixed on this body of wall 22.This linear light sorurce 40 comprises a light source body 41 and the electrode 42 of drawing from these light source body 41 ends, and these electrode 42 diameters are less than the diameter of this light source body 41.This holding body 30 has a cell body 32, and this cell body 32 is accommodated and this linear light sorurce 40 of elasticity fixing.
This matrix 20 is to utilize buckle or screw (figure does not show) fixing to be integral with this liquid crystal panel 50, discharges this buckle or screw and then this liquid crystal panel 50 can be separated with this matrix 20, is beneficial to change linear light sorurce 40 or other assembly is safeguarded.
During work, a part of light that linear light sorurce 40 sends enters liquid crystal panel 50, a part of in addition light changes direction through base plate 21 reflections, enter liquid crystal panel 50, in addition, this liquid crystal indicator 300 also further comprises a diffuser plate (figure does not show), and it is between linear light sorurce 40 and liquid crystal panel 50, so that it is more even to enter the light of liquid crystal panel 50.
Please consulting Figure 13 together, is the sectional view of the utility model liquid crystal indicator second embodiment.This liquid crystal indicator 400 is similar to above-mentioned liquid crystal indicator 300, different is that this liquid crystal indicator 400 also comprises a housing 70, this housing 70 is accommodated this liquid crystal panel 50 and this matrix 20, these housing 70 1 sides have elastic mechanism 80, as spring, its offside has an opening (figure does not show), this housing 70 has opening one side fixing this liquid crystal panel 50 and this matrix 20, when discharging this liquid crystal panel 50 or this matrix 20 fixing relation with this housing 70, this elastic mechanism 80 can eject this liquid crystal panel 50 or this matrix 20 and break away from this housing 70, is beneficial to change this linear light sorurce 40 and this liquid crystal indicator 400 is safeguarded.
Please consulting Figure 14 together, is the sectional view of the utility model liquid crystal indicator the 3rd embodiment.This liquid crystal indicator 500 is similar to above-mentioned liquid crystal indicator 300, and different is that this liquid crystal indicator 500 also comprises a light guide plate 60, and it and is positioned at this linear light sorurce 40 1 sides between this matrix 20 and this liquid crystal panel 50.During work, the light that linear light sorurce 40 sends evenly enters this liquid crystal panel 50 again after light guide plate 60.
Claims (18)
1. module backlight, it comprises a matrix, at least one pair of is arranged at the holding body on this matrix, this holding body has at least one cell body, it is characterized in that: this at least one cell body is an axial space groove not of uniform size, and at least one linear light sorurce is accommodated and elasticity is immobilizated in this cell body.
2. module backlight as claimed in claim 1 is characterized in that: this linear light sorurce comprises a light source body and the electrode of giving prominence to these light source body both ends.
3. liquid crystal indicator as claimed in claim 2 is characterized in that: this cell body comprises two parts that the space diameter is different vertically, and these cell body two parts are this light source body end of resilient clamp and electrode part respectively.
4. module backlight as claimed in claim 3 is characterized in that: the diameter of this cell body two parts axial space is respectively less than this corresponding light source body end and electrode diameter partly.
5. module backlight as claimed in claim 2 is characterized in that: this cell body comprises the cell body neck of opening portion and the cell body resettlement section that communicates with the cell body neck.
6. module backlight as claimed in claim 5 is characterized in that: the diameter of this cell body resettlement section axial space is greater than the diameter of this cell body neck axial space, and can accommodate this linear light sorurce end.
7. module backlight as claimed in claim 6 is characterized in that: this cell body resettlement section comprises two parts that the axial space diameter is different, and the diameter of this two parts axial space is slightly less than the diameter of this linear light sorurce end light source body and electrode part respectively.
8. module backlight as claimed in claim 6 is characterized in that: the diameter of this cell body resettlement section axial space is less than the diameter of this linear light sorurce electrode.
9. module backlight as claimed in claim 1 is characterized in that: this matrix is a box-like frame, and this linear light sorurce is contained in this framework.
10. module backlight as claimed in claim 5 is put, and it is characterized in that: the outside opening portion flare of this cell body neck.
11. module backlight as claimed in claim 1 is characterized in that: the cross section of this cell body resettlement section is circle, ellipse or rhombus.
12. module backlight as claimed in claim 1 is characterized in that: the front of this holding body is trapezoidal.
13. module backlight as claimed in claim 1 is characterized in that: this holding body is a strip shape body, regular distribution has a plurality of cell bodies on it.
14. module backlight as claimed in claim 1 is characterized in that: the cell body both sides of this holding body all have a fin, push this fin this cell body is enlarged.
15. liquid crystal indicator, this liquid crystal indicator comprises a liquid crystal panel, a matrix, at least one pair of is arranged at holding body and at least one linear light sorurce on this matrix, wherein, this at least one linear light sorurce is between this liquid crystal panel and this matrix, this holding body has at least one cell body, it is characterized in that: this at least one cell body is an axial space groove not of uniform size, and this at least one linear light sorurce is accommodated and elasticity is immobilizated in this cell body.
16. liquid crystal indicator as claimed in claim 15 is characterized in that: this liquid crystal indicator further comprises a light guide plate, and it is between this matrix and this liquid crystal panel, and this linear light sorurce is positioned at this light guide plate one side.
17. liquid crystal indicator as claimed in claim 15 is characterized in that: this liquid crystal panel can separate with this matrix.
18. liquid crystal indicator as claimed in claim 15 is characterized in that: this liquid crystal indicator further comprises a housing, and this housing is accommodated this liquid crystal panel and this matrix, and this liquid crystal panel or this matrix can break away from from this housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082910 CN2727793Y (en) | 2004-08-11 | 2004-08-11 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420082910 CN2727793Y (en) | 2004-08-11 | 2004-08-11 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727793Y true CN2727793Y (en) | 2005-09-21 |
Family
ID=35043806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420082910 Expired - Lifetime CN2727793Y (en) | 2004-08-11 | 2004-08-11 | Back light module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2727793Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659145A (en) * | 2013-10-24 | 2016-06-08 | 日本精机株式会社 | Display apparatus |
-
2004
- 2004-08-11 CN CN 200420082910 patent/CN2727793Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659145A (en) * | 2013-10-24 | 2016-06-08 | 日本精机株式会社 | Display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927499B (en) | Liquid crystal display device and backlight module thereof | |
| KR101074391B1 (en) | backlight unit | |
| TWI315008B (en) | Back light module and liquid crystal display device using the same | |
| CN1567048A (en) | Backlight module and LCD apparatus | |
| CN2727793Y (en) | Back light module and liquid crystal display device | |
| CN1727949A (en) | Liquid crystal indicator | |
| CN212365399U (en) | Display screen module positioning structure | |
| CN201318630Y (en) | Backlight module and fluorescent tube fixing racks | |
| CN1632662A (en) | Fixed support device applicable to backlight assembly of liquid crystal display | |
| CN201582743U (en) | Connector | |
| CN202452309U (en) | BLU and display unit | |
| CN110341202B (en) | Batch fixing device for active device tube shells | |
| CN101922649A (en) | Blacklight module | |
| US7559686B2 (en) | Lamp-fixing device and backlight module using the same | |
| CN101359571B (en) | Light source | |
| CN2727788Y (en) | Back light module | |
| CN100343739C (en) | Backlight module | |
| US20060072311A1 (en) | Backlight module of a directly lighting backlight device | |
| CN201352288Y (en) | Light guide plate of liquid crystal display backlight module and backlight module utilizing same | |
| CN101052284A (en) | Support structure and display device using said support structure | |
| CN216411805U (en) | Diffusion plate supporting device, backlight module and display device | |
| CN1532604A (en) | Liquid crystal display device | |
| CN202484735U (en) | Backlight module | |
| CN212569358U (en) | Fixing device of backlight module | |
| CN214818200U (en) | Lower stuck point replacer for graphite boat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140811 Granted publication date: 20050921 |