CN101001517A - Electromagnetic wave shielding pad and its display device - Google Patents
Electromagnetic wave shielding pad and its display device Download PDFInfo
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- CN101001517A CN101001517A CN 200610016536 CN200610016536A CN101001517A CN 101001517 A CN101001517 A CN 101001517A CN 200610016536 CN200610016536 CN 200610016536 CN 200610016536 A CN200610016536 A CN 200610016536A CN 101001517 A CN101001517 A CN 101001517A
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- electromagnetic wave
- wave shielding
- packaging material
- shielding pad
- filler
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Abstract
This invention relates to gaskets of electromagnetic wave shielding materials and its display device, a wrapper of hollow structure is set inside of the gasket, a conduction material is set on the surface of the wrapper and a filling material fills the hollow and the injection volume of the filling material is adjusted to regulate the limit for thinning the thickness of the wrapper when it is pressed, and the display of the gasket of electromagnetic wave includes the following gaskets, a front shell and a back shell combined with the front shell, a display plate contained in limited space, a base board for fixing and maintaining the display board, a PCB set at the back of the base board and mounted with multiple electronic fittings, and operators can adjust the thickness freely so as to increase the operation efficiency.
Description
Technical field
The present invention relates to a kind of electromagnetic wave shielding pad and have the display unit of its liner, particularly relate to a kind of display unit of adjusting the electromagnetic wave shielding pad of thickness and possessing its liner.
Background technology
Usually, can discharge a large amount of electromagnetic waves when driving the electric appliance and electronic product, this be for people known.The electromagnetic wave that the electric appliance and electronic product is discharged is not only harmful, but also is the main cause of other electric appliance and electronic products generation noises around making.Therefore, the various means that people gropingly can shielding electromagnetic wave.For example, in display unit, electromagnetic wave not only discharges by the front, and discharges more electromagnetic wave by rear side.Therefore discharge electromagnetic wave for preventing to the front in the display unit, purchased filter in front, electromagnetic wave discharges to the front thereby restrained electromagnetic wave by filter ground connection.On the other hand, can prevent electromagnetic release by the electromagnetic auxiliary material of absorption being installed at the back side of display unit.
On the other hand, known is that in display unit, electromagnetic wave not only discharges by the front and the back side, but also comes out by side release.Especially, the casing of display unit is mutually combined by front housing and back cabinet and forms, and leaks in a large number by the gap electromagnetic wave that forms between front housing and the back cabinet.Therefore, need a kind of means to block the side release of electromagnetic wave to display unit.
Can purchase electromagnetic wave shielding pad in the display unit.The effect that prevents electromagnetic-wave leakage is played in the gap that this liner forms between front housing and back cabinet.Liner can be presented as all thickness, and the operator can select suitable liner to be suitable for according to the gap length that forms between front housing and the back cabinet.But whether the process need inspection of selecting suitable liner is because electromagnetic wave produces noise, and therefore will spend long time relatively does a lot of work, therefore, and the problem that exists operating efficiency to descend.
Summary of the invention
The object of the present invention is to provide a kind of electromagnetic wave shielding pad and possess the display unit of its liner.This electromagnetic wave shielding pad can be adjusted thickness, and the electric appliance and electronic equipment around can suppressing produces noise.
The objective of the invention is to be achieved through the following technical solutions:
Electromagnetic wave shielding pad possesses the inboard packaging material of hollow-core construction that are;
Place the conductive material of above-mentioned package material surface; Fill above-mentioned hollow filler; And, adjust the boundary of the thickness of packaging material attenuation when exerting pressure to above-mentioned packaging material by adjusting the injection rate of above-mentioned filler.
Described electromagnetic wave shielding pad: above-mentioned packaging material are made of urethane foam, and conductive material is the conductibility fabric, and filler is a silicone.
Described electromagnetic wave shielding pad: silicone injects near hollow nozzle by after packaging material are punchinged.
Described electromagnetic wave shielding pad: packaging material are thermoplastic composite, and conductive material is the conductibility fabric, and filler is a silicone.
Described electromagnetic wave shielding pad: packaging material are thermoplastic composite, and conductive material is the conductibility fabric, and filler is an air.
Described electromagnetic wave shielding pad: filler is punchinged the back near above-mentioned hollow the injection by possessing electric heating portion nozzle with packaging material, by the heat that produces in the electric heating portion, packaging material is shunk, and reaches the purpose of sealing.
Described electromagnetic wave shielding pad: packaging material are rubber, and a side of packaging material possesses packaging film, and conductive material is the conductibility fabric, and filler is an air.
Described electromagnetic wave shielding pad: filler injects to push to nozzle by air states packaging film, injects near above-mentioned hollow back, and packaging film provides temporary transient sealing function by being injected into the pressure of above-mentioned hollow air.
The display unit of electromagnetic wave shielding pad: possess as the lower part electromagnetic wave shielding pad:
Front housing and the back cabinet that combines with above-mentioned front housing;
Since above-mentioned front housing and back cabinet, the display panel that in the space that limits, is held;
Be used for fixing and keep the base plate of above-mentioned display panel;
Be located at the back side of above-mentioned base plate, and the printed circuit board (PCB) of a plurality of electronic components is housed;
Place between the edge and back cabinet edge of above-mentioned front housing, and possess the inboard packaging material of hollow-core construction that are; Place the conductive material of above-mentioned package material surface; Fill above-mentioned hollow filler; And by adjusting the injection rate of above-mentioned filler, the electromagnetic wave shielding pad of the boundary of the thickness of packaging material attenuation when adjustment exerts pressure for above-mentioned packaging material.
Advantage of the present invention and effect are:
The advantage of electromagnetic wave shielding pad of the present invention is, because the operator can adjust thickness at an easy rate arbitrarily, therefore can improve operating efficiency.In addition, the advantage that possesses the display unit of electromagnetic wave shielding pad of the present invention is, does not discharge harmful electron waves, and the electronic equipment around also not making produces noise.
Description of drawings
Fig. 1 is the back side oblique view of electromagnetic wave shielding pad display unit summary of the present invention;
Fig. 2 reaches the key diagram that injects the silicone injector of filler toward liner for first embodiment of electromagnetic wave shielding pad of the present invention;
Fig. 3 injects the key diagram of the nozzle that possesses electric heating portion of filler for electromagnetic wave shielding pad second embodiment of the present invention and past liner;
Fig. 4 is electromagnetic wave shielding pad the 3rd embodiment of the present invention and the key diagram that injects the air nozzle of filler toward liner.
Main symbol description among the figure:
11: fore shell 12: back cover
13: chassis 14: plate
15: circuit board 16: electronic components
18: liner 25: the silicone injector
Embodiment
Below, describe the present invention in detail with reference to illustrated embodiment in the accompanying drawing.
Fig. 1 is illustrated to be the back side stravismus skeleton diagram that possesses the display unit of electromagnetic wave shielding pad of the present invention.
With reference to accompanying drawing as can be seen, display unit possesses as the lower part.That is, front housing (11) reaches the back cabinet (12) that combines with above-mentioned front housing; Since above-mentioned front housing (11) and back cabinet (12), the display panel (14) that in the space that limits, is held; Be used for fixing and keep the base plate (13) of above-mentioned display panel (14); Be located at the back side of above-mentioned base plate (13), and the printed circuit board (PCB) (15) of a plurality of electronic components (16) is housed; Place the electromagnetic wave shielding pad between the edge of the edge of above-mentioned front housing (11) and back cabinet (12).Display panel (14) can be plasma display panel, LCD panel or cathode-ray plate.The lower end of front housing (11) possesses to be supported with pillar (17b) and base plate (17a), supports front housing with this.
Above-mentioned electromagnetic wave shielding pad (18) constitutes characteristics of the present invention, that is, can adjust its thickness as required.Electromagnetic wave shielding pad (18) as shown in drawings, edge along front housing (11) is arranged, when front housing (11) and back cabinet (12) are assembled, electromagnetic wave shielding pad (18) then places between the edge of the edge of front housing (11) and back cabinet (12).
In the accompanying drawing in the illustrated example, electromagnetic wave shielding pad (18) as required, also can be arranged continuously though along the edge of front housing (11), arrange by spells.The operator checks under the state that covers back cabinet (12) in the noise that is caused by electromagnetic wave according to after arranging electromagnetic wave shielding pad (18) shown in the accompanying drawing, adjusts the thickness of electromagnetic wave shielding pad (18).Can embody in every way based on electromagnetic wave shielding pad of the present invention (18).
Figure is shown with the diagrammatic illustration figure based on the embodiment of relevant electromagnetic wave shielding pad of the present invention among Fig. 2 to Fig. 4.
With reference to Fig. 2 as can be seen, electromagnetic wave shielding pad possesses inboard for the packaging material (21) of hollow (21a) structure with place the surperficial conductive material (22) of above-mentioned packaging material (21).In the illustrated example of Fig. 2, packaging material (21) can be the foam urethanes, and conductive material (22) can be the conductibility fabric.As everyone knows, urethane foam can be processed into various forms, in the present invention as required, then utilize urethane foam to make the packaging material of electromagnetic wave shielding pad (21), and make it in the inboard of above-mentioned packaging material (21), form hollow (21a) of certain volume.On the other hand, the conductive cloth that has as conductive material (22) as well-known, can use the extraordinary cloth that mixes such as the material and the fiber material of nickel or copper of conductibility.The electromagnetic wave that produces in the display unit by the gap that forms between front housing (11) and the back cabinet (12) when the outside discharges, by conductive material (22) blocking-up back ground connection.
The packaging material (21) that are made of the urethane foam material are when hollow (21a) is empty, because pressure, the inner surface of hollow (21a) is out of shape to such an extent that can be in contact with one another, and can be deformed into the state that compressibility allowed of material self.On the contrary, during pressure relief, then the recuperability by material self can restore to the original state.Therefore, be arranged between the edge of the edge of display unit front housing (11) and back cabinet (12), as be under pressure attenuation in the scope that material self is allowed.On the other hand, can increase the boundary of the thickness of packaging material when exerting pressure (21) attenuation by in hollow (21a) of packaging material (21), injecting filler.
Can inject filler (26) in hollow (21a) of packaging material (21) such as silicone.Silicone (26) can be injected into hollow (21a) inside by the nozzle (27) of silicone injector (25).Nozzle (27) is able to inject silicone (26) afterwards near hollow (21a) by the thickness of cutter packaging material (21), can utilize suitable stickup means to paste the portion of punchinging that forms in the packaging material (21).
The boundary that is injected into the inner filler such as silicone (26) of hollow (21a) of packaging material (21) thickness of liner attenuation when increasing pressurization makes the thickness adjustment of liner become possibility.That is, the operator is by adjusting the injection rate of filler (26), the thickness when the adjustment liner is useful between front housing (11) and the back cabinet (12) for the electromagnetic wave that shields display unit.
With reference to Fig. 3 as can be seen, the electromagnetic wave shielding pad of second embodiment of the present invention possesses the packaging material (31) that are made of thermoplastic composite and places the outside conductive material (32) of above-mentioned packaging material (31).The inboard of packaging material (31) is hollow (31a) structure.Conductive material (32) is advisable with the top conductibility fabric of being narrated.Illustrated liner is except that packaging material (31) are thermoplastic composite among Fig. 3, among Fig. 2 illustrated come down to similar.
The filler that is injected into above-mentioned packaging material (31) inboard hollow (31a) is advisable with the top silicone of being narrated.On the other hand, the nozzle that is used for injecting silicone can possess electric heating portion (37).Possess heating wire (38) in the electric heating portion (37), electric heating portion (37) is connected by disconnected hot link device (38a) with sleeve pipe (39).Heating wire makes electric heating portion (37) produce heat by converting electric energy to heat energy.
The heat that electric heating portion (37) produces passes to thermoplastic polymer (31) by nozzle (36).After hollow (31a) inner injection silicone by nozzle (36) formation in packaging material (31), can utilize the heat sealing and packing material (31) that produces in the electric heating portion (37).When thermoplastic polymer was poly terephthalic acid ethanol ester (PET) material, because material contracts, so packaging material (31) can be sealed during heating.For example, with thicker than the thickness (T1) of other parts by the thickness (T2) of the packaging material (31) in the part that makes insertion nozzle (36), during injecting filler that operating type that thicker relevant portion is made an opening through fully is opposite, implement during the sealing, after nozzle (36) is retreated a little, by nozzle is heated, makes part (that is the part of the thickness T 2) contraction of punchinging after the mid portion of thickness (T2) stops.
As mentioned above, by utilizing the thermoplastic composite that can be out of shape, make the injection of filler and sealing become easy with heat.Should understand thermoplastic polymer and not only can utilize the PET material, can also utilize other any materials.On the other hand, the people who directly manages its cause also can understand as filler, except the also applicable air of silicone.
With reference to Fig. 4 as can be seen, the inboard packaging material (41) that form hollow (41a) are made of the elastomeric material such as rubber or artificial rubber, and conductive material (42) places the surface of above-mentioned packaging material (41).Conductive material (42) can be the conductibility fabric.One side of packaging material (41) possesses packaging film (43), and the pressure biased outward of the air of packaging film (43) hollow by being filled into (41a) plays the effect of sealing and packing material (41).Packaging film (43) can form one with packaging material (41).Packaging film (43) can be made of round plane, and at least a portion engages with packaging material (41) in the edge of packaging film (43).
Air is injected when inserting packaging material (41) inboard with nozzle (45), and the end of nozzle (45) can be pushed the inboard to above-mentioned packaging film (43), and therefore, the end that does not hinder nozzle (45) enters hollow (41a).With nozzle (45) when drawing back, the pressure that is injected into hollow (41a) inboard air plays pushes packaging film (43) to outside effect to the air (46) that spray to inject by nozzle (45) after filling hollow (41a).At this moment, the edge of packaging film (43) hangs over the edge of packaging material (41), therefore, can play the effect of temporary transient sealing air.The operator can utilize the surplus richness of timeliness that realizes sealing function by packaging film (43), smears adhesive in the outside of packaging material (41) and realizes complete sealing.
Can adjust the thickness of liner arbitrarily by inject filler from the outside with reference to the liner that Fig. 2 to Fig. 3 describes, and can easily carry out the sealing function of appointment.The operator will can inject filler the inside of liner with the thickness that does not produce noise based between gasket arrangement mmi machine shell of the present invention (11) and the back cabinet (12) time.
Claims (9)
1. electromagnetic wave shielding pad is characterized in that possessing the inboard packaging material of hollow-core construction that are;
Place the conductive material of package material surface; Fill hollow filler; And, adjust the boundary of the thickness of packaging material attenuation when exerting pressure to packaging material by adjusting the injection rate of filler.
2. electromagnetic wave shielding pad according to claim 1, it is characterized in that: packaging material are made of urethane foam, and conductive material is the conductibility fabric, and filler is a silicone.
3. electromagnetic wave shielding pad according to claim 2 is characterized in that: silicone injects near hollow nozzle by after packaging material are punchinged.
4. electromagnetic wave shielding pad according to claim 1 is characterized in that: packaging material are thermoplastic composite, and conductive material is the conductibility fabric, and filler is a silicone.
5. electromagnetic wave shielding pad according to claim 1 is characterized in that: packaging material are thermoplastic composite, and conductive material is the conductibility fabric, and filler is an air.
6. according to claim 4 or the described electromagnetic wave shielding pad of claim 5, it is characterized in that: filler is punchinged the back near hollow the injection by possessing electric heating portion nozzle with packaging material, by the heat that produces in the electric heating portion, packaging material are shunk, reach the purpose of sealing.
7. electromagnetic wave shielding pad according to claim 1 is characterized in that: packaging material are rubber, and a side of packaging material possesses packaging film, and conductive material is the conductibility fabric, and filler is an air.
8. electromagnetic wave shielding pad according to claim 7 is characterized in that: filler is pushed to nozzle by the air injection and is stated packaging film, injects near hollow back, and packaging film provides temporary transient sealing function by being injected into the pressure of hollow air.
9. the display unit of electromagnetic wave shielding pad is characterized in that: possess as the lower part electromagnetic wave shielding pad:
Front housing and the back cabinet that combines with front housing;
Since front housing and back cabinet, the display panel that in the space that limits, is held;
Be used for fixing and keep the base plate of display panel;
Be located at the back side of base plate, and the printed circuit board (PCB) of a plurality of electronic components is housed;
Place between the edge and back cabinet edge of front housing, and possess the inboard packaging material of hollow-core construction that are; Place the conductive material of package material surface; Fill hollow filler; And the injection rate of passing through to adjust filler, when adjustment is exerted pressure to packaging material, the electromagnetic wave shielding pad of packaging material thickness limit attenuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610016536 CN101001517A (en) | 2006-01-13 | 2006-01-13 | Electromagnetic wave shielding pad and its display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610016536 CN101001517A (en) | 2006-01-13 | 2006-01-13 | Electromagnetic wave shielding pad and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101001517A true CN101001517A (en) | 2007-07-18 |
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ID=38693276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610016536 Pending CN101001517A (en) | 2006-01-13 | 2006-01-13 | Electromagnetic wave shielding pad and its display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101001517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405904A (en) * | 2015-07-31 | 2017-02-15 | 乐金显示有限公司 | Electromagnetic wave shielding structure and display device including the same |
-
2006
- 2006-01-13 CN CN 200610016536 patent/CN101001517A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405904A (en) * | 2015-07-31 | 2017-02-15 | 乐金显示有限公司 | Electromagnetic wave shielding structure and display device including the same |
| CN106405904B (en) * | 2015-07-31 | 2019-05-28 | 乐金显示有限公司 | Electromagnetic wave screening structure and display device including the electromagnetic wave screening structure |
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