CN101509624B - Flat panel display and backlight module thereof - Google Patents
Flat panel display and backlight module thereof Download PDFInfo
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- CN101509624B CN101509624B CN200910127710XA CN200910127710A CN101509624B CN 101509624 B CN101509624 B CN 101509624B CN 200910127710X A CN200910127710X A CN 200910127710XA CN 200910127710 A CN200910127710 A CN 200910127710A CN 101509624 B CN101509624 B CN 101509624B
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- conductive component
- backboard
- grounded parts
- backlight module
- elastic region
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Abstract
The invention relates to a flat panel display and a backlight module thereof. The backlight module comprises at least one luminous source, a backboard, a conductive component and a grounding component, wherein the conductive component is electrically connected with the cathode end of the luminous source, and the grounding component is electrically connected with the conductive component and the backboard, the grounding component being of platy shape.
Description
[technical field]
The present invention relates to a kind of backlight module, relate in particular to backlight module relevant for a kind of flat-panel monitor.
[background technology]
For the packaging technology of flat-panel monitor, for many assembled in pre-set space, spatial configuration is very important problem.With regard to backlight module, have many fluorescent tubes and light guide member in the backlight module, if desire with fluorescent tube ground connection, normally is connected to earthing potential by the mode of welding with fluorescent tube.Yet, may produce the situation of failure weldings such as empty weldering, rosin joint in the process of welding, and make fluorescent tube ground connection correctly, and cause the fluorescent tube can't be just like expectedly operating.
Perhaps,, when backlight module is assembled, may be urged to solder joint itself or pull the lead that is connected with solder joint, make fluorescent tube ground connection correctly, and cause electric charge to be accumulated undeservedly and cause danger if the solder joint volume is excessive.
Therefore,, be necessary according to the structure of backlight module and assembling process and improve traditional flat-panel monitor, to avoid welding improper the trouble and the danger that may cause in order to improve above-mentioned shortcoming.
[summary of the invention]
Technical matters to be solved by this invention is, a kind of backlight module is provided, and can avoid welding improper the trouble and the danger that may cause.
In order to address the above problem, the invention provides a kind of backlight module, comprise at least one light emitting source, backboard, conductive component and grounded parts.Wherein, conductive component electricity connects the negative pole end of light emitting source.Grounded parts electricity connects conductive component and backboard, and the shape of this grounded parts in the form of sheets.
The present invention also provides a kind of flat-panel monitor, comprises display module and backlight module.Wherein, backlight module is towards display module, and this backlight module comprises at least one light emitting source, backboard, conductive component and grounded parts.Wherein, conductive component electricity connects the negative pole end of light emitting source.Grounded parts electricity connects conductive component and backboard, and the shape of this grounded parts in the form of sheets.
Therefore the invention has the advantages that it adopts the grounded parts of sheet that conductive component electricity is connected to backboard ground connection, can avoid welding improper the trouble and the danger that may cause.
[description of drawings]
Accompanying drawing 1 is the explosive view of the flat-panel monitor of the embodiment of the invention;
Accompanying drawing 2 is that the flat-panel monitor of accompanying drawing 1 is assembled the side view of back in the grounded parts part;
Accompanying drawing 3 is depicted as the grounded parts side view partly of the flat-panel monitor of another embodiment of the present invention.
[embodiment]
Elaborate below in conjunction with the embodiment of accompanying drawing to the method for the backlight module of flat-panel monitor provided by the invention.
Because welding the variety of problems that may cause, the following embodiment of the present invention will adopt the solderless ways of connecting with light emitting source ground connection.That is backlight module will not re-use scolder electricity and connect light emitting source and earthing potential, but the grounded parts of employing sheet is with light emitting source ground connection.
Accompanying drawing 1 is the explosive view of the flat-panel monitor 100 of the embodiment of the invention.As shown in the figure, a kind of flat-panel monitor 100 comprises display module 110 and backlight module 120.Wherein, backlight module 120 is towards display module 110, and this backlight module 120 comprises light emitting source 122, backboard 130, conductive component 140 and grounded parts 150.Wherein, conductive component 140 electricity connect the negative pole end 123 of light emitting source 122.Grounded parts 150 electricity connect conductive component 140 and backboard 130, and the shape of this grounded parts 150 in the form of sheets.
Accompanying drawing 2 is that the flat-panel monitor 100 of accompanying drawing 1 is assembled the back in the side view of grounded parts 150 parts.As shown in the figure, the grounded parts 150 of this embodiment can have elastic region 152, these elastic region 152 Elastic Contact conductive components 140.Particularly, the material of above-mentioned elastic region 152 can be resilient material, and can there be a little overlapping this elastic region 152 with conductive component 140 in design, makes elastic region 152 can prop up conductive component 140 really.Above-described have a little overlapping to be meant: the vertical range between conductive component 140 and backboard 130 is slightly less than the height of elastic region 152, makes flat-panel monitor 100 after assembling, and elastic region 152 is compressive deformation slightly.
That is to say, the grounded parts 150 of this embodiment is to adopt the mode of Elastic Contact to contact conductive component 140, therefore grounded parts 150 and conductive component 140 between do not have any solder joint, can avoid really because of the variety of problems that produced of welding, for example the excessive backlight module assembling difficulty that causes of poor welding spots or solder joint volume.
The concrete structure of elastic region 152 can be done suitable adjustment according to different assembling demands.With accompanying drawing 2 is example, and elastic region 152 can have two elastic arms 151 positioned opposite to each other.One end of these elastic arms 151 is fixed, and the other end then contacts conductive component 140.In the assembling process of flat-panel monitor 100, elastic arm 151 will be subjected to the compressing of conductive component 140 slightly and be out of shape, to guarantee elastic arm 151 electricity contact positively conductive component 140.
Though accompanying drawing 2 is the partial shapes with elastic region 152 to be illustrated and is outer convex, but this does not limit the present invention, other similar shape (for example: indent arc, circular arc, ellipse arc, shaped form, waveform or serrate) also can be used as the shape of elastic region 152.The persond having ordinary knowledge in the technical field of the present invention should look actual needs, selects the embodiment of elastic region 152 flexibly.
In addition, grounded parts 150 also can have coupling area 154, and this coupling area 154 connects elastic region 152, and is fixed on the backboard 130.Thus, conductive component 140 and backboard 130 can be by grounded parts 150 positively electricity link together, make the negative pole end electricity of light emitting source (for example: backboard 130) be connected to earthing potential.
As shown in Figure 2, when actual assembled, the fabricator can be locked in coupling area 154 on the backboard 130 by screw 160.But this does not limit the present invention, other suitable consolidated articles (fastener), and for example: rivet also can be used for coupling area 154 is fixed on the backboard 130.
The elastic region 152 and the coupling area 154 of this embodiment can be one-body molded.More particularly, the material of above-mentioned elastic region 152 and coupling area 154 all can be metal (for example: spring steel) so that use stamping forming mode to make.Should be appreciated that, more than the material of being lifted and manufacture method all only be illustration, be not that the persond having ordinary knowledge in the technical field of the present invention is when selecting suitable material and manufacture method according to particular demands in order to restriction the present invention.
In this embodiment, the light emitting source 122 of accompanying drawing 1 can be cold cathode fluorescent lamp (cold cathodefluorescent tube; CCFL).These cold cathode fluorescent lamp are arranged along the direction of arrow A, and these cold cathode fluorescent lamp all have positive terminal and negative pole end 123.Conductive component 140 can be along the orientation of light emitting source 122, and just the direction of arrow A is extended, so that negative pole end 123 electricity of these light emitting sources 122 are linked together.
The material of the conductive component 140 of this embodiment can be copper.But this does not limit the present invention, and other similar conductive material (for example: metal or silver) also can be used as the material of conductive component 140.The persond having ordinary knowledge in the technical field of the present invention should look actual needs elasticity selects.
In addition, display module 110 can comprise liquid crystal panel 112 and blooming piece.In this embodiment, above-mentioned blooming piece for example can be a pair of polaroid 114.These polaroids 114 can be arranged at liquid crystal panel 112 both sides respectively, to adjust the polarization state of light.
Except the grounded parts 150 shown in the accompanying drawing 2, other sheet electric-conductor that is fit to (for example: conductive tape), also can be used as grounded parts.Below will lift accompanying drawing 3 and be example, to specify above technology contents.
Accompanying drawing 3 is depicted as the grounded parts side view partly of the flat-panel monitor 100 of another embodiment of the present invention.This embodiment is with the difference of a last embodiment: this embodiment is as grounded parts with conductive tape 170.Particularly, above-mentioned conductive tape 170 can glue card in conductive component 140, and extension is fixed on the backboard 130.That is this embodiment is the grounded parts 150 that replaces accompanying drawing 1 with conductive tape 170.When assembling, as long as the fabricator can positively (for example: backboard 130) be connected to earthing potential with the negative pole end electricity with light emitting source simply that conductive tape 170 is sticking obedient on conductive component 140 and backboard 130.
In this embodiment, above-mentioned conductive tape 170 can be aluminum foil and adhesive tape.But this does not limit the present invention, the conductive tape of other kind, for example: electricity conductive cloth tape, also can use electricity to connect conductive component 140 and backboard 130.The persond having ordinary knowledge in the technical field of the present invention should look actual needs elasticity selects.
As for other assembly in the flat-panel monitor of this embodiment, because its thin portion structure is all identical with a last embodiment, so will no longer repeat to give unnecessary details.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a backlight module is characterized in that, comprising:
At least one light emitting source;
One backboard;
One conductive component, electricity connect the negative pole end of described light emitting source; And
One grounded parts, described grounded parts is made of plates, and described grounded parts electricity connects described conductive component and described backboard;
Wherein said grounded parts comprises:
One coupling area is fixed on the described backboard;
One elastic region connects described coupling area, and the described conductive component of Elastic Contact, and the vertical range between described conductive component and described backboard is less than the height of described elastic region.
2. backlight module according to claim 1 is characterized in that, described elastic region comprises:
Two elastic arms, positioned opposite to each other, an end of described two elastic arms is connected to described coupling area, and the other end then contacts described conductive component.
3. backlight module according to claim 1 is characterized in that, described elastic region and described affixed fauna are integrally formed.
4. backlight module according to claim 1 is characterized in that, described grounded parts comprises:
One conductive tape, sticking card is in described conductive component, and extension is fixed on the described backboard.
5. backlight module according to claim 1 is characterized in that, described grounded parts comprises:
One aluminum foil and adhesive tape, sticking card is in described conductive component, and extension is fixed on the described backboard.
6. a flat-panel monitor is characterized in that, comprising:
One display module; And
One backlight module, towards described display module, and described backlight module comprises:
At least one light emitting source;
One backboard;
One conductive component, electricity connect the negative pole end of described light emitting source; And
One grounded parts, electricity connect described conductive component and described backboard, and the shape of wherein said grounded parts in the form of sheets;
Described grounded parts comprises an elastic region, the described conductive component of Elastic Contact, and the vertical range between described conductive component and described backboard is less than the height of described elastic region.
7. flat-panel monitor according to claim 6 is characterized in that, described grounded parts comprises:
One conductive tape is pasted on described conductive component, and extension is fixed on the described backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127710XA CN101509624B (en) | 2009-03-20 | 2009-03-20 | Flat panel display and backlight module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127710XA CN101509624B (en) | 2009-03-20 | 2009-03-20 | Flat panel display and backlight module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101509624A CN101509624A (en) | 2009-08-19 |
| CN101509624B true CN101509624B (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910127710XA Active CN101509624B (en) | 2009-03-20 | 2009-03-20 | Flat panel display and backlight module thereof |
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| Country | Link |
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| CN (1) | CN101509624B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463292B (en) * | 2017-08-04 | 2020-08-21 | 武汉天马微电子有限公司 | Display panel, display device and driving method of display panel |
| CN109215502A (en) * | 2018-08-30 | 2019-01-15 | 努比亚技术有限公司 | A kind of screen assembly |
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2009
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| CN101509624A (en) | 2009-08-19 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CI01 | Correction of invention patent gazette |
Correction item: Application Date Correct: 20090317 False: 20090320 Number: 46 Volume: 27 |
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| CI03 | Correction of invention patent |
Correction item: Application Date Correct: 20090317 False: 20090320 Number: 46 Page: The title page Volume: 27 |
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| ERR | Gazette correction |
Free format text: CORRECT: APPLICATION DATE; FROM: 20090320 TO: 20090317 |