CN201513750U - Light bar structure and backlight module and liquid crystal display using the same - Google Patents
Light bar structure and backlight module and liquid crystal display using the same Download PDFInfo
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- CN201513750U CN201513750U CN200920178192XU CN200920178192U CN201513750U CN 201513750 U CN201513750 U CN 201513750U CN 200920178192X U CN200920178192X U CN 200920178192XU CN 200920178192 U CN200920178192 U CN 200920178192U CN 201513750 U CN201513750 U CN 201513750U
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- circuit board
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- conductive material
- bar structure
- lamp bar
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Abstract
The utility model provides a light bar structure which comprises a circuit board, two hollow frames arranged above the circuit board, and a light-emitting assembly arranged above the two hollow frames. Conducting material is filled in the two hollow frames to electrically connect the circuit board with the light-emitting assembly so as to avoid translocation of the attached light-emitting assembly. The utility model further provides a backlight module and a liquid crystal display which adopt the light bar structure.
Description
Technical field
The utility model is about a kind of lamp bar structure, particularly the lamp bar structure of locating relevant for a kind of luminescence component.
Background technology
At present with light emitting diode (light-emitting diode, hereinafter to be referred as LED) method that is fixed on the lamp bar (light bar) is to use surface mount technology (Surface MountTechnology, hereinafter to be referred as SMT) each processing procedure carries out, its mode is with pcb board piecewise on the automatic feed SMT production line, is assembled into heating from paste solder printing, LED in regular turn and finishes work such as welding is fixing.Though the fixing means of this kind is located correctly at the beginning, last regular meeting is because the fusing of tin cream in the fixing process of bringing-up section welding, and a little displacement takes place, and causes the LED on the lamp bar misaligned, for also relative not good in the light source performance.
For improving this problem; usually can revise the collocation method of SMT processing procedure section; each material that for example in tin cream, adds different proportion; or in other parameters such as bringing-up section adjustment temperature, time and speed; do different tests; use and find out the optimum process parameter value, the change in displacement of LED on the lamp bar reduced.
Yet, just present though this mode can make the LED regularity on the lamp bar promote much, because the processing procedure factor that will consider is many really, for the babe in the wood, but a huge engineering.And wrong assessment will cause actual production capacity and demand not to meet, and production efficiency is not good enough, and the delay of predetermined production time-histories additionally increases the burden of manpower and a large amount of appearance of abnormal quality.So assessment SMT production operation is a very important ring.
The utility model content
The purpose of this utility model is to improve the lamp bar attaches transposition in heating back luminescence component situation.
Another purpose of the present utility model to increase production efficiency, promotes the quality yield for reducing the assessment activity duration.
According to the purpose of this utility model, a kind of lamp bar structure is provided, comprising: a circuit board; Two hollow frameworks are disposed on the circuit board, are filled with a conductive material in every hollow framework, and conductive material and circuit board electrically connect; And a luminescence component, be disposed on the two hollow frameworks and and electrically connect with conductive material.
According to the purpose of this utility model, other provides a kind of module backlight, comprising: at least one reflector plate; At least one LGP is disposed on the reflector plate; At least one blooming piece is disposed on the LGP; And at least one luminescence unit, being disposed at a side of LGP, luminescence unit has a lamp bar structure, comprising: a circuit board; Two hollow frameworks are disposed on the circuit board, are filled with a conductive material in every hollow framework, and conductive material and circuit board electrically connect; And a luminescence component, be disposed on the two hollow frameworks and and electrically connect with conductive material; And at least one framework, in order to above-mentioned reflector plate, LGP, blooming piece, luminescence unit is ccontaining and be fixed in wherein.
According to the purpose of this utility model, other provides a kind of LCD, comprising: a module backlight comprises: at least one reflector plate; At least one LGP is disposed on the reflector plate; At least one blooming piece is disposed on the LGP; And at least one luminescence unit, being disposed at a side of LGP, luminescence unit has a lamp bar structure, comprising: a circuit board; Two hollow frameworks are disposed on the circuit board, are filled with a conductive material in every hollow framework, and conductive material and circuit board electrically connect; And a luminescence component, be disposed on the two hollow frameworks and and electrically connect with conductive material; And at least one framework, in order to above-mentioned reflector plate, LGP, blooming piece, luminescence unit is ccontaining and be fixed in wherein; And a panel, be disposed on the module backlight.
As above-mentioned lamp bar structure, module backlight and LCD, wherein two hollow frameworks are to comprise anti-welding material.
As above-mentioned lamp bar structure, module backlight and LCD, wherein anti-welding material comprises thermosetting resin.
As above-mentioned lamp bar structure, module backlight and LCD, wherein thermosetting resin comprises epoxy resin (EP), silica resin (SP).
As above-mentioned lamp bar structure, module backlight and LCD, wherein the height of conductive material is to be higher than two hollow framework height.
As above-mentioned lamp bar structure, module backlight and LCD, wherein conductive material comprises tin cream.
As above-mentioned lamp bar structure, module backlight and LCD, wherein luminescence component has two conducting end, every conducting end respectively with every hollow framework in conductive material electrically connect.
As above-mentioned lamp bar structure, module backlight and LCD, wherein luminescence component and circuit board are to link with welding manner by this conductive material.
As above-mentioned lamp bar structure, module backlight and LCD, comprise also that wherein plural luminescence component is to arrange in equidistant mode.
As above-mentioned lamp bar structure, module backlight and LCD, wherein luminescence component comprises a light emitting diode.
As above-mentioned lamp bar structure, module backlight and LCD, also comprise at least one hot-setting adhesive, be disposed between circuit board and the luminescence component, in order to gluing circuit board and luminescence component.
For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment cited below particularly, and cooperate graphicly, do one and be described in detail as follows.
Description of drawings
Figure 1A-Fig. 1 E is a kind of lamp bar structural representation according to the utility model first embodiment.
Fig. 2 A-Fig. 2 B is a kind of lamp bar structural representation according to the utility model second embodiment.
Fig. 3 is the module schematic diagram a kind of backlight according to the utility model the 3rd embodiment.
Fig. 4 is a kind of LCD schematic diagram according to the utility model the 4th embodiment.
The specific embodiment
Sets forth in detail embodiment of the present utility model below with reference to the accompanying drawings, accompanying drawing illustrates has understood the utility model example embodiment, and wherein same numeral is indicated same or analogous function/structure.
Please refer to Figure 1A to Fig. 1 E, it is the lamp bar structural representation according to the utility model first embodiment.The utility model provides a kind of lamp bar structure 10, comprising: a circuit board 101 tops dispose two hollow frameworks 103, filled conductive material 105 in hollow framework 103; One luminescence component 107 is disposed at two hollow frameworks, 103 tops, and above-mentioned conductive material 105 is as the electric connection between circuit board 101 and the luminescence component 107.
In first embodiment, above-mentioned conductive material 105 for example is a tin cream.
In first embodiment, above-mentioned luminescence component 107 for example is a light emitting diode.
In first embodiment, above-mentioned hollow framework 103 is a resistant to elevated temperatures anti-welding material, for example be that epoxy resin (EP), silica resin (SP) wait each base polymer or mixture, its purpose is for fixing heating back conductive material 105 in the position of circuit board 101, the conductive material 105 that the lamp bar is melted in the process of bringing-up section can be to external diffusion, improve directionality, use promoting the regularity that luminescence component 107 attaches.
Please refer to Figure 1A, this figure is the schematic diagram that hollow framework 103 is disposed at circuit board 101; Please refer to Figure 1B, this figure is the schematic diagram after conductive material 105 is put in hollow framework 103 inner spaces that form; Please refer to Fig. 1 C and Fig. 1 D, this figure is the schematic diagram after luminescence component 107 is attached at circuit board 101, can find that the utility model lamp bar structure is compared to known lamp bar structure, had more the micro-structure of hollow framework 103, and the height after conductive material 105 fillings is to be higher than this hollow framework 103 structures, and the degree that is unlikely to overflow, in order to two conducting end of luminescence component 107 (figure does not show) respectively with two hollow frameworks 103 in conductive material 105 electrically connect.To be luminescence component 107 be fixed in the schematic diagram of circuit board 101 by this conductive material 105 with welding manner to Fig. 1 E, and plural luminescence component 107 is to arrange in equidistant mode.
Refer again to Fig. 2 A and Fig. 2 B, similar at the spirit and first embodiment that this second embodiment desire is set forth, and the main difference of second embodiment and first embodiment is that second embodiment disposes at least one hot-setting adhesive in addition between circuit board and luminescence component.The utility model provides a kind of lamp bar structure 20, comprising: a circuit board 201 tops dispose two hollow frameworks 203, filled conductive material 205 in hollow framework 203; One luminescence component 207 is disposed at two hollow frameworks, 203 tops, and above-mentioned conductive material 205 is as the electric connection between circuit board 201 and the luminescence component 207; Between foregoing circuit plate 201 and the luminescence component 207, also comprise at least one hot-setting adhesive 209, in order to gluing circuit board 201 and luminescence component 207.
In a second embodiment, above-mentioned conductive material 205 for example is a tin cream.In a second embodiment, above-mentioned luminescence component 207 for example is a light emitting diode.
In a second embodiment, above-mentioned hollow framework 203 is a resistant to elevated temperatures anti-welding material, for example be that epoxy resin (EP), silica resin (SP) wait each base polymer or mixture, its purpose is for fixing heating back conductive material 205 in the position of circuit board 201, the conductive material 205 that the lamp bar is melted in the process of bringing-up section can be to external diffusion, improve directionality, use promoting the regularity that luminescence component 207 attaches.
In a second embodiment, above-mentioned hot-setting adhesive 209 is before luminescence component 207 and circuit board 201 attach, be disposed at luminescence component 207 or circuit board 201 either party, use the fixed position of strengthening circuit board 201 and luminescence component 207, make both be not easy to transposition in the lamp bar heating process.
Please refer to Fig. 3, it is the module schematic diagram backlight according to the utility model the 3rd embodiment.The utility model provides a kind of module backlight 30 in addition, comprising: at least one reflector plate 305; At least one LGP 307 is disposed on the reflector plate 305; At least one blooming piece 309 is disposed on the LGP 307; And at least one luminescence unit 301, being disposed at a side of LGP 307, luminescence unit 301 has a lamp bar structure, comprising: an at least one luminescence component 301a and a circuit board 301b; At least one framework 303 is in order to ccontaining with above-mentioned reflector plate 305, LGP 307, blooming piece 309, luminescence unit 301 and be fixed in wherein.
In the 3rd embodiment, above-mentioned lamp bar structure can be the lamp bar structure of first embodiment and second embodiment, does not give unnecessary details at this.
Please refer to Fig. 4, it is the LCD schematic diagram according to the utility model the 4th embodiment.The utility model also provides a kind of LCD 4, comprising: a module 40 backlight; And a panel 42, being disposed on this module 40 backlight, module 40 wherein backlight comprises: at least one reflector plate 405; At least one LGP 407 is disposed on the reflector plate 405; At least one blooming piece 409 is disposed on the LGP 407; And at least one luminescence unit 401, being disposed at a side of LGP 407, luminescence unit 401 has a lamp bar structure, comprising: an at least one luminescence component 401a and a circuit board 401b; At least one framework 403 is in order to ccontaining with above-mentioned reflector plate 405, LGP 407, blooming piece 409, luminescence unit 401 and be fixed in wherein.
In the 4th embodiment, above-mentioned module backlight can be the module backlight of the 3rd embodiment, and above-mentioned lamp bar structure can be the lamp bar structure of first embodiment and second embodiment, does not give unnecessary details at this.
In sum, the utility model mainly is under the constant situation of processing procedure production line, one lamp bar structure is provided and uses its module backlight and LCD, by increasing hollow frame structure in the lamp bar, as the fixing usefulness of conductive material, and then reach and improve luminescence component and attach misaligned situation.
Though the utility model is illustrated as above with preferred embodiment, so it is not only to terminate in the foregoing description in order to limit the utility model spirit with the creation entity.Usually know the knowledgeable to having in the affiliated technical field, when understanding and utilize other assembly or mode to produce identical effect easily.Be with, the modification of being done in not breaking away from spirit of the present utility model and scope all should be included in the above-mentioned claim scope.
Claims (13)
1. a lamp bar structure is characterized in that, comprising:
One circuit board;
Two hollow frameworks are disposed on this circuit board, whenever are filled with a conductive material in this hollow framework, and this conductive material and this circuit board electrically connect; And
One luminescence component is disposed on this two hollow framework and electrically connects with this conductive material.
2. lamp bar structure as claimed in claim 1 is characterized in that, this two hollow framework is to comprise anti-welding material, and this anti-welding material comprises thermosetting resin.
3. lamp bar structure as claimed in claim 1 is characterized in that, the height of this conductive material is to be higher than this two hollow framework height.
4. lamp bar structure as claimed in claim 1 is characterized in that this conductive material comprises tin cream.
5. lamp bar structure as claimed in claim 1 is characterized in that this luminescence component has two conducting end, whenever this conducting end respectively with every this hollow framework in this conductive material electrically connect.
6. lamp bar structure as claimed in claim 1 is characterized in that this luminescence component and this circuit board are to link with welding manner by this conductive material.
7. lamp bar structure as claimed in claim 1 is characterized in that, comprises that also plural luminescence component is to arrange in equidistant mode.
8. lamp bar structure as claimed in claim 1 is characterized in that, also comprises at least one hot-setting adhesive, is disposed between this circuit board and this luminescence component, in order to this circuit board of gluing and this luminescence component.
9. a module backlight is characterized in that, comprising:
At least one reflector plate;
At least one LGP is disposed on this reflector plate;
At least one blooming piece is disposed on this LGP; And
At least one luminescence unit is disposed at a side of this LGP, and this luminescence unit has a lamp bar structure, comprising:
One circuit board;
Two hollow frameworks are disposed on this circuit board, whenever are filled with a conductive material in this hollow framework, and this conductive material and this circuit board electrically connect; And
One luminescence component is disposed on this two hollow framework and electrically connects with this conductive material; And
At least one framework, in order to above-mentioned reflector plate, LGP, blooming piece, luminescence unit is ccontaining and be fixed in wherein.
10. module backlight as claimed in claim 9 is characterized in that, this two hollow framework is to comprise anti-welding material, and this anti-welding material comprises thermosetting resin.
11. module backlight as claimed in claim 9 is characterized in that this conductive material comprises tin cream.
12. module backlight as claimed in claim 9 is characterized in that, also comprises at least one hot-setting adhesive, is disposed between this circuit board and this luminescence component, in order to this circuit board of gluing and this luminescence component.
13. a LCD is characterized in that, comprising:
One module backlight comprises:
At least one reflector plate;
At least one LGP is disposed on this reflector plate;
At least one blooming piece is disposed on this LGP; And
At least one luminescence unit is disposed at a side of this LGP, and this luminescence unit has a lamp bar structure, comprising:
One circuit board;
Two hollow frameworks are disposed on this circuit board, whenever are filled with a conductive material in this hollow framework, and this conductive material and this circuit board electrically connect; And
One luminescence component is disposed on this two hollow framework and electrically connects with this conductive material; And
At least one framework, in order to above-mentioned reflector plate, LGP, blooming piece, luminescence unit is ccontaining and be fixed in wherein; And
One panel is disposed on this module backlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920178192XU CN201513750U (en) | 2009-09-30 | 2009-09-30 | Light bar structure and backlight module and liquid crystal display using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920178192XU CN201513750U (en) | 2009-09-30 | 2009-09-30 | Light bar structure and backlight module and liquid crystal display using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513750U true CN201513750U (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920178192XU Expired - Fee Related CN201513750U (en) | 2009-09-30 | 2009-09-30 | Light bar structure and backlight module and liquid crystal display using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541853A (en) * | 2019-01-21 | 2019-03-29 | 深圳市全正科技有限公司 | A kind of light source assembly, production method and backlight module |
-
2009
- 2009-09-30 CN CN200920178192XU patent/CN201513750U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541853A (en) * | 2019-01-21 | 2019-03-29 | 深圳市全正科技有限公司 | A kind of light source assembly, production method and backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20170930 |