CN1875451A - Method for making film assy used in PDP filter, film assy manufactured by the method, and PDP filter with the film assy - Google Patents
Method for making film assy used in PDP filter, film assy manufactured by the method, and PDP filter with the film assy Download PDFInfo
- Publication number
- CN1875451A CN1875451A CNA2004800323036A CN200480032303A CN1875451A CN 1875451 A CN1875451 A CN 1875451A CN A2004800323036 A CNA2004800323036 A CN A2004800323036A CN 200480032303 A CN200480032303 A CN 200480032303A CN 1875451 A CN1875451 A CN 1875451A
- Authority
- CN
- China
- Prior art keywords
- film
- membrane
- membrane module
- emi
- pdp filter
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
- H01J11/44—Optical arrangements or shielding arrangements, e.g. filters, black matrices, light reflecting means or electromagnetic shielding means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Disclosed is a method for making a film assembly used in a PDP filter positioned on the front surface of a PDP, a film assembly manufactured by the method, and a PDP filter using the film assembly. The method includes the steps of providing a roll of an EMI film having a number of conductive effective screen portions formed on a surface of a long transparent polymer resin film with a predetermined spacing and mounting the wound roll of the EMI film on a first feed roller; providing a roll of at least one long transparent functional film capable of covering at least partially the effective screen portions of the EMI film and mounting the wound roll of the functional film on a second feed roller which is spaced a predetermined distance from the first feed roller; and positioning first and second compression rollers with a predetermined distance from the first and second feed rollers while facing each other closely and feeding the EMI film from the first feed roller and the functional film from the second feed roller into a gap between the first and second compression rollers so that the EMI film and the functional film are integrated with each other and form a film assembly.
Description
Technical field
The present invention relates to a kind of preparation method who is used to be positioned at the membrane module of the PDP filter on Plasmia indicating panel (the being called PDP hereinafter) front surface, membrane module by the preparation of this method and have the PDP filter of this membrane module, more specifically, the present invention relates to be used for the preparation method of the membrane module of PDP filter, this method can be produced in a large number and comprise the EMI film with the conductive effective screen portions that forms on the transparent polymeric resin film, be attached at the membrane module of functional membrane of effective screen portions of EMI film with mode, the invention still further relates to the membrane module by this method preparation and have the PDP filter of this membrane module with volume to volume (roll-to-roll).
Background technology
Ordinary circumstance, PDP is for using the image display device of the plasma display image that is produced by gas discharge.This PDP can be prepared into the flat shape with weight reduction, its can be on large-screen display image, and have excellent visual angle.Therefore, it is the focus of next band image display device.
PDP filter as shown in Figure 1 comprises reinforcement or half tempered glass 1 with preliminary dimension and is attached at surface of glass or another surface helps the membrane module 2 of the various effects of PDP TV with generation.
Shown in Fig. 2 and 3, EMI film 3 comprises transparent polymeric resin film 3a and the effective screen portions 3b with electric conducting material that forms by etching or deposition process on fluoropolymer resin film 3a, with shielding electromagnetic wave.
The electric conducting material that constitutes effective screen portions 3b is opaque metal or metal oxide, and forms with sieve aperture style or discrete particles style, to guarantee the transparency of effective screen portions 3b.Be laminated to each functional membrane 4,5 and 6 on effective screen portions 3b of EMI film 3 except the basic function of himself, also play preventing to cause the unsharp effect of screen because of the effective air spots of screen portions 3b.
Four edges of EMI film 3 are exposed to the outside, with the electromagnetic wave of shielding by the PDP generation, and as the grounded part 3aa that is grounding to the respective surfaces of PDP.
But the functional membrane that is attached at effective screen portions of EMI film must be littler than the size of EMI film, so that the grounded part of EMI film can be grounding to the respective surfaces of PDP fully.As a result, can not produce the membrane module that part constitutes the PDP filter in a large number.
In addition, when preparing membrane module at every turn, effective screen portions that the EMI film all must be arranged and be attached to the functional membrane littler than EMI film singly.The very low and reduction productivity ratio of this process efficiency.
Summary of the invention
Therefore, consideration the problems referred to above have been carried out the present invention, an object of the present invention is to provide a kind of preparation method of membrane module of the PDP of being used for filter, this method can be produced the membrane assembly of at least a functional membrane of the effective screen portions that comprises EMI film with the conductive effective screen portions that forms and be attached at the EMI film in the mode (the continuous batch mode of production) of volume to volume on the transparent polymeric resin film in a large number.
Another object of the present invention provides a kind of membrane module of the PDP of being used for filter, and this membrane module constitutes in part between the respective surfaces of the grounded part of EMI film of membrane module and PDP and has enough ground areas.
Another object of the present invention provides a kind of PDP filter that uses this membrane module with enough ground areas.
According to a technical scheme of the present invention, a kind of preparation method of membrane module of the PDP of being used for filter is provided, comprise the steps: to provide a volume to have the EMI film of a plurality of conductive effective screen portions that on long transparent polymeric resin film surface, form with predetermined space, and the reel of EMI film is installed on first feed roller; Provide a volume can cover at least a long transparent functional film of effective screen portions of EMI film, and load onto the reel of functional membrane on second feed roller of preset distance being separated by with first feed roller to small part; First and second pressure rollers closely to be set mutually with facing with first and second feed rollers interval preset distance, and functional membrane is sent to the gap between first and second pressure rollers, with the EMI film and from second feed roller so that EMI film and functional membrane mutually combine and form membrane module from first feed roller.
According to another technical scheme of the present invention, a kind of membrane module of the PDP of being used for filter is provided, this membrane module comprises the EMI film with the conductive effective screen portions that forms on the transparent polymeric resin film; Attach towards the conductive effective film, and have the length identical and cover at least a functional membrane of the width of the conductive effective screen portions on the EMI film to small part with the EMI film; Place on two minor face edge on a functional membrane left side and right side conducting element respectively with the ground area of guaranteeing the EMI film.
According to another technical scheme of the present invention, a kind of preparation method of membrane module of the PDP of being used for filter is provided, comprises the steps: along the length of functional membrane with scheduled unit on its at least two limits, to punch to form a plurality of through holes corresponding to the mode of the grounded part on the edge of the EMI film of the conductive effective screen portions that has formation thereon; The EMI film that mutually combines and have the functional membrane that forms through hole thereon and have the effective screen portions that forms thereon with continuous processing (volume to volume mode) is with continuously in conjunction with at least two retes; With around the through hole of functional membrane and on the counterpart of the grounded part of EMI film, forming electric conducting material, with the grounded part of the EMI film by through hole electrical connection rete to the outer peripheral at least a portion of functional membrane.
According to another technical scheme of the present invention, a kind of membrane module of the PDP of being used for filter is provided, this membrane module comprises the EMI film with the conductive effective screen portions that forms on its surface, with the functional membrane of enclosing towards effective screen portions of EMI film, and has the arrangements of electric connection that is used to be connected electrically in the surface of the grounded part that forms on the edge of EMI film and PDP correspondence at assembly process at least in part.
According to another technical scheme of the present invention, provide a kind of PDP filter with the aforesaid membrane module at least one surface that is attached at two surfaces of transparency carrier.
Description of drawings
Following detailed description in conjunction with the accompanying drawings makes above and other objects of the present invention, feature and advantage become more obvious, wherein:
Fig. 1 is the simple and clear cutaway view that shows conventional PDP filter;
Fig. 2 is the simple and clear front view of the EMI film with the effective screen portions that forms that is used for the membrane module of PDP filter according to prior art that shows on the transparent polymeric resin film;
Fig. 3 shows the EMI film with effective screen portions and attaches having than the large-sized slightly functional membrane of effective screen portions thereon;
Fig. 4 shows the layout of the roller apparatus of the membrane module that is used to prepare the PDP filter according to the present invention;
Fig. 5 is the flow chart of demonstration according to the preparation method of the membrane module that is used for the PDP filter of first embodiment of the invention;
Fig. 6 is the simple and clear preparation method who is used for according to the membrane module of PDP filter of the present invention that shows, has the front view of the EMI film of a plurality of effective screen portions that form on long transparent polymeric resin film with predetermined space;
Fig. 7 shows EMI film with a plurality of effective screen portions and the functional membrane that is attached on the EMI film, has the size big but littler than the width of EMI film than the width of effective screen portions along the EMI film length;
Fig. 8 show comprise long EMI film and corresponding functional membrane and its be cut into the view of the membrane module of elementary cell, and have the view of membrane module of the cutting of the conducting element that is placed in its edge, two sides;
Fig. 9 shows the view of the membrane module that is cut into base unit according to another embodiment of the invention, this membrane module comprises the EMI film with a plurality of effective screen portions that form and is attached at the functional membrane that has on the EMI film with EMI film same size on long transparent polymeric resin film, and has the view of membrane module of the cutting of the conducting element that is placed in its four edges;
Figure 10 is the flow chart according to the preparation method of the PDP filter of second embodiment of the invention;
Figure 11 is the simple and clear cutaway view that shows according to the PDP filter of first embodiment of the invention;
Figure 12 is the simple and clear decomposition diagram that is used for the membrane module of PDP filter according to first embodiment of the invention that shows;
Figure 13 is the simple and clear vertical view that is used for the membrane module of PDP filter according to first embodiment of the invention that shows;
Figure 14 is the amplification view along the line A-A of Figure 13;
Figure 15 is the simple and clear cutaway view that shows according to the PDP filter of second embodiment of the invention;
Figure 16 is simple and clear the demonstration according to the EMI film of settling with same size of the membrane module of first embodiment of the present invention and the decomposition diagram of functional membrane;
Figure 17 is the simple and clear perspective view that shows the functional membrane with the through hole that forms along its four edges;
Figure 18 for simple and clear show the functional membrane that comprises the through hole that forms thereon, with the perspective view of the membrane module of membrane-bound other film of function and the conductive layer that on the appropriate section of film, forms;
Figure 19 shows that for simple and clear first embodiment according to the present invention is attached at the perspective view of membrane module of the transparency carrier of PDP filter;
Figure 20 is simple and clear the demonstration according to the EMI film of settling with different size of the membrane module of second embodiment of the present invention and the decomposition diagram of functional membrane;
Figure 21 is the simple and clear perspective view that shows the functional membrane with the through hole that forms along its both sides;
Figure 22 for simple and clear show the functional membrane that comprises the through hole that forms thereon, with the perspective view of the membrane module of membrane-bound other film of function and the conductive layer that on the appropriate section of film, forms;
Figure 23 concisely shows according to second embodiment of the present invention, is attached at the perspective view of membrane module of the transparency carrier of PDP filter;
Figure 24 for show when as shown in Figure 3 the membrane module of preparation is used for the PDP module in a usual manner the time, the chart of the electromagnetic vertical component of measurement;
Figure 25 for show when as shown in Figure 3 the membrane module of preparation is used for the PDP module in a usual manner the time, the chart of the electromagnetic horizontal component of measurement;
When the membrane module that Figure 26 prepares when the volume to volume mode according to the present invention shown in the left figure of Fig. 8 for demonstration is used for the PDP module, the chart of the electromagnetic vertical component of measurement;
Figure 27 is for showing when the membrane module shown in the left figure of Fig. 8 is used for the PDP module chart of the electromagnetic horizontal component of measurement;
When the membrane module that Figure 28 prepares when the volume to volume mode according to the present invention shown in the right figure of Fig. 8 for demonstration is used for the PDP module, the chart of the electromagnetic vertical component of measurement; With
Figure 29 is for showing when the membrane module shown in the right figure of Fig. 8 is used for the PDP module chart of the electromagnetic horizontal component of measurement;
Embodiment
With reference now to Fig. 4～29, describe embodiment of the present invention in detail.
Fig. 4 shows according to the layout of the roller apparatus of the membrane module that is used to prepare the PDP filter of the present invention and Fig. 5 for showing the flow chart according to the preparation method of the membrane module of the PDP filter of first embodiment of the present invention;
With reference now to the preparation method of Fig. 5～9 descriptions according to the membrane module of the PDP filter of first embodiment of the invention.
Provide a kind of EMI film 3 with rolling (roll type) with a plurality of conductive effective screen portions 3b that on the surface of long transparent polymeric resin film 3a, form with predetermined space.The reel (step 500) of EMI film is installed on first feed roller 7 then.
Then, provide at least a long transparent functional film 4,5 and 6 that can cover effective screen portions 3b of EMI film 3 with rolling to small part.Then with second feed roller 8 of first feed roller, 7 preset distances configurations on the reel (step 510) of installation function film.
Then, closely to settle first and second pressure rollers 9 and 10 with first and second feed rollers 7 and 8 distances of being scheduled to with facing one another.Then with the EMI film from first feed roller 7, functional membrane 4,5 or 6 from second feed roller 8 is sent to gap between first and second pressure rollers 9 and 10, so that EMI film 3 and functional membrane 4,5 or 6 mutually combine and form membrane module 11 (step 520; With reference to Fig. 4～7).
Then, the mode with the maximum ground area that can guarantee each effective screen portions 3b is cut into preliminary dimension with membrane module 11.Whether cover part or all of four edges of EMI film 3 according to functional membrane 4,5 or 6, on the edge of each covering, enclose conducting element 12 (steps 530; With reference to Fig. 8～9).
Can further comprise and to be wound into the step (not shown) of rolling on the reel 13 that places with first and second pressure rollers 9 and 10 preset distances from first and second pressure rollers 9 and 10 membrane modules of extracting out 11 according to the preparation method of membrane module of the present invention.When twining rolling, can prepare, store and transport membrane module 11 more expediently.
First and second feed rollers 7 and 8 and first and second pressure rollers 9 and 10 are linked (not shown) at least a for example power of electric motor power supply, and its rotation and speed are controlled (not shown) by control unit.
When EMI film 3 and functional membrane 4,5 or 6 mutually combined by at least one that heats first and second pressure rollers 9 and 10, the surface of the correspondence of functional membrane (at least 4,5 and 6 a kind of) applied thermoplastic resin in advance.When thermoplastic resin melted owing to the heat from least one supply of first and second pressure rollers 9 and 10, EMI film 3 and functional membrane 4,5 or 6 mutually combined.
Preferred thermoplastic resin is made up of EVA (ethylene vinyl acetate) resin.First and second pressure rollers 9 and 10 at least one preferably remain on 100～200 ℃ temperature.Any fluoropolymer resin can be used as thermoplastic resin, as long as it can keep firm combination between EMI film 3 and functional membrane 4,5 or 6.
Make when exerting pressure by first and second pressure rollers 9 and 10 EMI film 3 and functional membrane 4,5 or 6 in conjunction with the time, can on the corresponding surface of functional membrane 4,5 or 6, apply contact adhesive in advance.
When exerting pressure by first and second pressure rollers 9 and 10, EMI film 3 and functional membrane 4,5 or 6 mutually combine by contact adhesive.
Cohesive process causes EMI film 3 and functional membrane 4,5 or 6 to mutually combine in very firm mode.If wish EMI film 3 and functional membrane 4,5 or 6 more closely combination each other, the membrane module of being made up of EMI film and functional membrane 4,5 or 6 11 can be wound on the roller, and place the autoclave (not shown), under predetermined temperature and pressure, place a period of time therein.This process makes the bonding state of EMI film 3 and functional membrane 4,5 or 6 tightr.
The temperature of autoclave is 10～100 ℃, preferred 20～80 ℃, and more preferably 30～60 ℃, and pressure is 0.2～2MPa, preferred 0.3～0.8MPa.Be 2～60 minutes the standing time of EMI film and functional membrane, preferred 5～20 minutes.
Being installed in functional membrane 4,5 or 6 on second feed roller 8 with rolling can be used as the single kind film corresponding with the EMI film supplied with from first feed roller 73 or is transported to the gap between first and second pressure rollers 9 and 10 as a plurality of films of combination in advance each other.Can pass through effective screen portions 3b that engraving method, deposition process or any other method form EMI film 3.
Now with reference to Fig. 8 and 9 describe by method for preparing according to membrane module of the present invention.
Attach towards conductive effective screen portions 3b, and its at least a functional membrane 4,5 or 6 of width that has the length identical with the EMI film and cover the conductive effective screen portions 3b of EMI film 3 to small part;
Place two minor face edge on a functional membrane left side and right side respectively, with the conducting element 12 of the ground area of guaranteeing EMI film 3.
Preferably, at least one half when functional membrane 4,5 or 3 two long edges of 6 covering EMI films in order to ensure the ground area of EMI film, is installed conducting element 12 (with reference to Fig. 9) respectively in addition on two long edges of EMI film 3.
Conducting element 12 can be for conductive strips and conductive paste any.Preferred conductive paste is made of any material that is selected from the group that comprises gold, silver, copper and graphite.
Functional membrane can be selected from the group that comprises NIR (near-infrared) film 4, color compensation film 5 and AR (antireflection) film 6.
Can be attached on the corresponding transparency carrier (not shown) in mode easily so have the membrane module 11 of the functional membrane 4,5 that is attached at EMI film 3 or 6, to constitute the PDP filter.Transparency carrier can be by strengthening or half tempered glass or any other resin are formed.
Referring now to the preparation method of Figure 10～23 descriptions according to the membrane module that is used for the PDP filter of another embodiment of the invention.
In the preparation method of as shown in figure 10 the membrane module that is used for the PDP filter according to the present invention, along the length of functional membrane 4,5 or 6 with scheduled unit on its at least two limits, to punch to form a plurality of through holes 14 (step 100) corresponding to the mode of grounded part (or conductive layer) 3aa on the edge of EMI film 3 with the conductive effective screen portions 3b that forms thereon.
Then, have the functional membrane 4,5 that forms through hole 14 thereon or 6 and EMI film 3 with the effective screen portions 3b that forms thereon be connected to each other with continuous processing (volume to volume mode), with continuously in conjunction with at least two retes 11 ' (step 110).
Then, around the through hole of functional membrane 4,5 or 6 and on the counterpart of the grounded part 3aa of EMI film 3, forming electric conducting material, with the grounded part i3aa of the EMI film 3 that is electrically connected retes 11 ' by through hole 14 to functional membrane 4,5 or 6 outer peripheral at least a portion (step 120).
Then, consider the size of the transparency carrier of PDP, a plurality of retes 11 ' that pass through electric conducting material formation step are cut into scheduled unit (step 130).
If being attached at functional membrane 4,5 or 6 on effective screen portions 3b of EMI film 3 is cut into EMI film 3 and has the square of same size, then in punch out step (step 100), preferably on four edges of functional membrane 4,5 or 6, all form through hole 14 (with reference to Figure 16 and 17).
Be cut into length but width identical than little square of EMI if be attached at functional membrane 4,5 or 6 on effective screen portions 3b of EMI film 3 with the EMI film, in punch out step (step 100), the preferred through hole 14 (with reference to Figure 20 and 21) that only on two minor face edge of functional membrane 4,5 or 6, forms.
In integrating step (step 110), two kinds of films are generally used for lamination.If form a plurality of retes 11 ', number of times as required repeats integrating step.
Form in the step at electric conducting material, can use mode of printing, spraying method or any alternate manner.Preferably, use mode of printing when little thickness and through hole 14 have the little degree of depth, use spraying method when big thickness and through hole 14 have the big degree of depth when function corresponding film 4,5 or 6 has when function corresponding film 4,5 or 6 has.
Each functional membrane can be in NIR (near-infrared) film 4, color compensation film 5, AR (antireflection) film 6 and any other film any.
Manually or by the automatic assembling device will adjust and be attached on the transparency carrier 15 of PDP through the membrane module 11 of cutting step (step 130).The transparency carrier 15 that has membrane module 11 then can be attached at the respective surfaces (with reference to Figure 19 and 23) of PDP easily.
Now in conjunction with Figure 11～23 describe by method for preparing according to the membrane module that is used for the PDP filter of the present invention.
Be included in EMI film 3 that its surface forms and the functional membrane of enclosing towards the effective screen portions 3b of EMI film 4,5 or 6 according to the membrane module of the PDP of being used for filter of the present invention, and have the arrangements of electric connection (with reference to Figure 11 and 15) that is electrically connected between the grounded part 3aa that forms on the edge that is used for EMI film 3 and the corresponding surperficial (not shown) of PDP at least in part with conductive effective screen portions 3b.
Arrangements of electric connection 16 comprises that having being used to of forming on its at least two edges is electrically connected the functional membrane 4,5 or 6 of a plurality of through holes 14 of the grounded part 3aa on EMI film 3 edges; With around each through hole 14 and the counterpart of grounded part 3aa electric connection layer 17 (with reference to Figure 11,14 and 15) that form, that be used between grounded part 3aa on EMI film 3 edges and the corresponding surface of PDP the electrical connection of each through hole 14 by functional membrane.
Arrangements of electric connection 16 also can form by fusion electric conducting material in the part of corresponding film 4,5 or 6 or by mixing function corresponding film and conducting inorganic material except having above-mentioned structure.
With reference now to Figure 11～23, describe according to PDP filter of the present invention.
PDP filter according to the present invention has at least one surperficial membrane module 11 filter of going up, as above assembling on two surfaces of the transparency carrier that is attached at PDP filter 18.Another functional membranes different with the functional membrane of enclosing in the face of the conductive effective screen portions 3b of EMI film 3 can be placed between transparency carrier 15 and the EMI film 3, and on the surface of the relative transparency carrier 15 of EMI film 3 (with reference to Figure 11 and 15).
Functional membrane and another functional membrane can be made up of at least a film that is selected from the group that comprises NIR (near-infrared) film 4, color compensation film 5, AR (antireflection) film 6 and any other film respectively, and when considering the structure of PDP filter, preferably be placed in their mode not overlapped on function.
Can form effective screen portions 3b of EMI film 3 by etching or deposition process.
Figure 11 position shows the cutaway view according to the PDP filter of first embodiment of the present invention.The PDP filter comprises transparency carrier 15 and is attached on the transparency carrier to realize the membrane module of being made up of a plurality of functional membranes 3,4,5 and 6 11 (or rete 11 ') of multiple function.The all functions film 3,4,5 and 6 of membrane module 11 all is combined on the surface of transparency carrier 15.
In constituting the multilayer film of membrane module 11, directly be attached at EMI film 3 simultaneously in the face of the functional membrane of the conductive effective screen portions 3b of EMI film 3 can be for NIR (near-infrared) film 4, color compensation film 5, AR (antireflection) film 6 and any other film any.Figure 11 has shown that example and Figure 15 that AR film 6 is attached on the EMI film 3 have shown that NIR film 4 is attached at the example on the EMI film 3.
As mentioned above, EMI film 3 and functional membrane 4,5 or 6 are electrically connected to each other by aforesaid arrangements of electric connection 16.Be used to constitute the position of the functional membrane 4,5 or 6 the through hole 14 of arrangements of electric connection 16, can change according to the size of functional membrane with respect to EMI film 3.
As shown in figure 12, when the functional membrane 4,5 or 6 in the face of the effective screen portions 3b of conductor of EMI film 3 has the size identical with EMI film 3, preferably on its four edges, all form the through hole 14 of functional membrane 4,5 or 6.Especially, on four edges of the vertical and horizontal X of AR film 6 and Y, form through hole 14.
Shown in Figure 20 and 21, when the edge in the face of the vertical or horizontal X of the functional membrane 4,5 of the conductive effective screen portions 3b of EMI film 3 or 6 or Y has the little size of appropriate section than EMI film 3, formation through hole 14 on the remaining edge except the little part S of functional membrane 4,5 or 6.By the little part S of functional membrane 4,5 or 6, the part of the grounded part 3aa of EMI film 3 is exposed to the outside, and can be directly grounded to the respective surfaces of PDP.
Figure 15 is for showing the cutaway view according to the PDP filter of second embodiment of the present invention.The PDP filter comprises transparency carrier 15, is attached at the color compensation film 5 of transparency carrier 15, is attached at the AR film 6 of color compensation film 5 outer surfaces, is attached at hyaline membrane 15 another surperficial EMI films 3 and is attached at NIR (near-infrared) film 4 of EMI film 3 outer surfaces.
In the embodiment depicted in fig. 15, different with embodiment shown in Figure 11, the functional membrane 3,4,5 and 6 that constitutes membrane module 11 partly separately also is attached at two surfaces of transparency carrier 15 respectively.
Because this difference, in the face of the edge of the NIR film 4 of the conductive effective screen portions 3b of EMI film 3 has a plurality of through holes 14 that form thereon, it is used to constitute the arrangements of electric connection 16 of the respective surfaces of the grounded part 3aa that is electrically connected EMI film 3 and PDP.
Prepare EMI film 3 by etching or deposition process.When using engraving method, the copper foil membrane by about 10 μ m thickness are arranged at PET film upper strata pressing element also forms the sieve aperture style by engraving method and forms the EMI film.When using deposition process, by on the PET film, repeating deposit ITO and silver layer and by serving as minimizing sheet resistance and the radiation visible light forms the EMI film in the unit with tens nm.
When being used for the PDP module, carried out measuring electromagnetic experiment with the membrane module of usual manner preparation and the membrane module of using volume to volume mode according to the present invention to prepare.The result provides in the figure shown in Figure 24～29.
Determine that the membrane module for preparing in the volume to volume mode according to the present invention can be prepared in large quantities, and shown in Figure 28 and 29, the same with the membrane module (with reference to Figure 24 and 25) of usual manner preparation, have excellent electromagnetic wave blocking effect.
Industrial applicability
Can be found out that by aforementioned content according to the present invention, a large amount of preparations comprise having transparent poly-The EMI film of the effective screen portions that forms on the compound resin and be attached in the volume to volume mode The membrane module of the functional membrane of effective screen portions of EMI film is possible.
Can guarantee enough ground areas of the membrane module that the mode with volume to volume prepares.
Guarantee to consist of enough between the respective surfaces of the grounded part of EMI film of membrane module and PDP The ground area be possible.
Although described the present invention in conjunction with thinking at present the most practical with the most preferred embodiment, Should be understood that to the invention is not restricted to disclosed embodiment and accompanying drawing, and opposite, the present invention To cover the essence of claims and the various modifications and changes in the scope.
Claims (30)
1, a kind of preparation method who is used for the membrane module of PDP filter comprises the steps:
Provide one to roll up EMI film, and on first feed roller, load onto the reel of this EMI film with a plurality of conductive effective screen portions that on long transparent polymeric resin film surface, form with predetermined space;
At least a long transparent functional film of effective screen portions that provides a volume can cover the EMI film at least in part, and load onto the reel of this functional membrane on second feed roller of preset distance being separated by with first feed roller; And
First and second pressure rollers also closely to be set mutually with facing with first and second feed rollers interval preset distance, and functional membrane is sent to the gap between first and second pressure rollers, with the EMI film and from second feed roller so that EMI film and functional membrane mutually combine and form membrane module from first feed roller.
2, the preparation method who is used for the membrane module of PDP filter according to claim 1, wherein, when EMI film and functional membrane mutually combine by at least one that heats first and second pressure rollers, the surface-coated thermoplastic resin of the correspondence of functional membrane then.
3, the preparation method who is used for the membrane module of PDP filter according to claim 2, wherein thermoplastic resin is EVA (ethylene vinyl acetate) resin.
4, the preparation method who is used for the membrane module of PDP filter according to claim 2, wherein at least one of first and second pressure rollers remains on 100～200 ℃.
5, the preparation method who is used for the membrane module of PDP filter according to claim 1, wherein, when EMI film and functional membrane being mutually combined, at the corresponding surface-coated contact adhesive of functional membrane when exerting pressure by first and second pressure rollers.
6, the preparation method who is used for the membrane module of PDP filter according to claim 5 is wherein additionally placed autoclave by the membrane module that EMI film and functional membrane are formed, so that their closely combination mutually.
7, the preparation method who is used for the membrane module of PDP filter according to claim 6, wherein the temperature of autoclave is 10～100 ℃, pressure is 0.2～2MPa, and be 2～60 minutes the standing time of EMI film and functional membrane.
8, the preparation method who is used for the membrane module of PDP filter according to claim 1, further comprise and membrane module is cut into preliminary dimension so that can guarantee ground area for each effective screen portions, and whether cover part or all of four edges of EMI film according to functional membrane, conducting element is attached to the step at each edge that covers.
9, the preparation method who is used for the membrane module of PDP filter according to claim 1 wherein will be wound into rolling on the reel that places the first and second pressure roller preset distances from the membrane module that first and second pressure rollers are extracted out.
10, be used for the membrane module of PDP filter, comprise:
EMI film with the conductive effective screen portions that on the surface of transparent polymeric resin film, forms;
Attach towards conductive effective screen portions, and have the length identical and cover at least a functional membrane of the width of the conductive effective screen portions on the EMI film to small part with the EMI film; With
Place on two minor face edge on a functional membrane left side and right side conducting element respectively with the ground area of guaranteeing the EMI film.
11, the membrane module that is used for the PDP filter according to claim 10, wherein, when functional membrane covers at least one half at two long edges of EMI film, conducting element is positioned at respectively on two long edges of EMI film in addition to guarantee the ground area of EMI film.
12, according to claim 10 or the 11 described membrane modules that are used for the PDP filter, wherein conducting element is any of conductive strips and conductive paste.
13, the membrane module that is used for the PDP filter according to claim 12, wherein conductive paste is made of any material that is selected from the group that comprises gold, silver, copper and graphite.
14, the membrane module that is used for the PDP filter according to claim 10, wherein effective screen portions of EMI film is made of at least a composition that is selected from the group that comprises gold, silver, copper, nickel and aluminium.
15, the membrane module that is used for the PDP filter according to claim 10, wherein functional membrane is selected from the group that comprises NIR (near-infrared) film, color compensation film and AR (antireflection) film.
16, be used for the preparation method of the membrane module of PDP filter, comprise the steps:
Along the length of functional membrane with scheduled unit on its at least two edges, to punch to form a plurality of through holes corresponding to the mode of the grounded part on the edge of the EMI film of the conductive effective screen portions that has formation thereon;
The EMI film that is bonded with each other and has thereon the functional membrane of the through hole that forms and have the effective screen portions that forms thereon with continuous processing (volume to volume mode) is with continuously in conjunction with at least two retes; With
Around the through hole of functional membrane and on the counterpart of the grounded part of EMI film, forming electric conducting material, with the grounded part of the EMI film by through hole electrical connection rete to the outer peripheral at least a portion of functional membrane.
17, the preparation method who is used for the membrane module of PDP filter according to claim 16 comprises that further a plurality of retes that will pass through electric conducting material formation step cut into the step by the predetermined unit of size of PDP transparency carrier.
18, the preparation method who is used for the membrane module of PDP filter according to claim 16, wherein, when the functional membrane on the effective screen portions that is attached at the EMI film is cut into when having same size square with the EMI film, in punch out step, on four edges of functional membrane, all form through hole.
19, the preparation method who is used for the membrane module of PDP filter according to claim 16, wherein, when the functional membrane on the effective screen portions that is attached at the EMI film is cut into length but width identical with the EMI film than little square of EMI, in punch out step, only on two minor face edge of functional membrane, form through hole.
20, the preparation method who is used for the membrane module of PDP filter according to claim 16, wherein around the through hole of functional membrane and the electric conducting material that on the appropriate section of the grounded part of EMI film, forms form by mode of printing.
21, the preparation method who is used for the membrane module of PDP filter according to claim 16, wherein around the through hole of functional membrane and the electric conducting material that on the appropriate section of the grounded part of EMI film, forms form by spraying method.
22, the preparation method who is used for the membrane module of PDP filter according to claim 16, wherein functional membrane is any of NIR (near-infrared) film, color compensation film and AR (antireflection) film.
23, be used for the membrane module of PDP filter, comprise:
EMI film with the conductive effective screen portions that forms in its surface; With
Functional membrane, this functional membrane attaches towards the effective screen portions of EMI film, and has the arrangements of electric connection that is used to be connected electrically in the corresponding surface of the grounded part that forms on the edge of EMI film and PDP at assembly process at least in part.
24, the membrane module that is used for the PDP filter according to claim 23, wherein arrangements of electric connection comprises that having being used to of forming on its at least two edges connects the functional membrane of a plurality of through holes of the grounded part on the EMI film edge; With around each through hole and form on the counterpart at grounded part, be used for the electric connection layer that each through hole by functional membrane is electrically connected the respective surfaces of grounded part on EMI film edge and PDP.
25, the membrane module that is used for the PDP filter according to claim 24, wherein electric connection layer is made of silver layer.
26, the membrane module that is used for the PDP filter according to claim 24, wherein the through hole of functional membrane has circle, ellipse, triangle and any one square shape, and is set up with identical distance between them.
27, a kind of PDP filter has any at least one described, as to be attached at two surfaces of the transparency carrier surperficial membrane module filter according to claim 10～15 and 23～26.
28, PDP filter according to claim 27, further comprise another functional membrane, they are different with the functional membrane of enclosing towards the conductive effective screen portions of EMI film, between the EMI of membrane module film and transparency carrier, and transparency carrier with EMI film facing surfaces on.
29, PDP filter according to claim 28, wherein functional membrane and another functional membrane are made of at least a film that is selected from the group that comprises NIR (near-infrared) film, color compensation film and AR (antireflection) film respectively, and are placed in their mode not overlapped on function.
30, PDP filter according to claim 28, wherein effective screen portions of EMI film forms by etching or deposition process.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030089390 | 2003-12-10 | ||
| KR10-2003-0089390A KR100515575B1 (en) | 2003-12-10 | 2003-12-10 | Optical filter for plasma display panel and manufacturing method thereof |
| KR1020040086444 | 2004-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1875451A true CN1875451A (en) | 2006-12-06 |
| CN100547716C CN100547716C (en) | 2009-10-07 |
Family
ID=37251447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800323036A Expired - Fee Related CN100547716C (en) | 2003-12-10 | 2004-12-10 | Be used for the preparation method of the membrane module of PDP filter, the membrane module by the preparation of this method and have the PDP filter of this membrane module |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100515575B1 (en) |
| CN (1) | CN100547716C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982031A (en) * | 2008-03-27 | 2011-02-23 | 株式会社普利司通 | Optical filter for display, method for manufacturing the same, and display and plasma display panel equipped with optical filter for display |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040022633A (en) * | 2002-09-09 | 2004-03-16 | 엘지전자 주식회사 | plasma display panel and method for the same |
| KR100698217B1 (en) * | 2005-07-04 | 2007-03-22 | 엘지전자 주식회사 | Display panel |
| JP2007036107A (en) * | 2005-07-29 | 2007-02-08 | Dainippon Printing Co Ltd | Method of manufacturing composite filter |
| KR100756132B1 (en) * | 2006-01-25 | 2007-09-05 | 엘지전자 주식회사 | Contrast-enhancing optical sheet for plasma display panel, manufacturing method thereof and plasma display panel using the same |
| KR100838958B1 (en) * | 2006-01-18 | 2008-06-16 | 주식회사 엘지화학 | Electro-magnetic Interference Film with Wave Curl Free and PDP Filter Employing Thereof |
| KR100975200B1 (en) * | 2008-02-29 | 2010-08-10 | 삼성에스디아이 주식회사 | Single Sheet Film Filter and Manufacturing Method thereof and Plasma Display Apparatus with Single Sheet Film Filter |
| KR100951720B1 (en) * | 2008-03-03 | 2010-04-07 | 주식회사 엘티에스 | Apparatus and method for manufacturing an optical filter of a flat display panel |
| US10435632B2 (en) | 2014-09-16 | 2019-10-08 | Temple University—Of the Commonwealth System of Higher Education | Removal of iron contaminants from hydrocarbon oils and aqueous by-products of oil and gas recovery/production |
-
2003
- 2003-12-10 KR KR10-2003-0089390A patent/KR100515575B1/en active IP Right Grant
-
2004
- 2004-12-10 CN CNB2004800323036A patent/CN100547716C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982031A (en) * | 2008-03-27 | 2011-02-23 | 株式会社普利司通 | Optical filter for display, method for manufacturing the same, and display and plasma display panel equipped with optical filter for display |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100515575B1 (en) | 2005-09-20 |
| KR20050057727A (en) | 2005-06-16 |
| CN100547716C (en) | 2009-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1540609A (en) | Electromagnetic wave shielding filter and its mfg. method | |
| CN1770972A (en) | Electromagnetic wave shielding filter, method of manufacturing the same, pdp apparatus including the same filter | |
| CN1875451A (en) | Method for making film assy used in PDP filter, film assy manufactured by the method, and PDP filter with the film assy | |
| CN1207942C (en) | Organic electrofluorescence displaying panel | |
| CN1779993A (en) | Solar cell module | |
| CN1617356A (en) | Solar cell module and manufacturing method therefor | |
| CN1703788A (en) | Electrically controllable light-emitting device and its electrical connection means | |
| CN1430191A (en) | Display device | |
| CN1089758A (en) | The manufacture method of a kind of telegraph key or keyboard and the product of this method | |
| CN101076452A (en) | Printing mask and solar cell, and flat panel display and chip capacitor | |
| CN1253913C (en) | Electron emission thin film, plasma display panel comprising it and method of manufacturing them | |
| CN1343089A (en) | Printed circuit board with channel and manufacturing method thereof | |
| CN1496199A (en) | Two-type organic electroluminescent display and its mfg. method | |
| CN1940197A (en) | Radio wave shield | |
| CN1479557A (en) | Electroluminescent display system | |
| CN1469696A (en) | Distributing base board, displaying device and method for producing distributing base board | |
| CN1507635A (en) | Method for manufacturing chip resistor | |
| EP1692710B1 (en) | Method for making film assy used in pdpfilter, film assy manufactured by the method, and pdp filter with the film assy | |
| CN1959999A (en) | Flat panel display and fabricating method thereof | |
| CN1809263A (en) | Heat dissipation sheet for flat display apparatus and flat display apparatus including the same | |
| CN1879185A (en) | Manufacturing process of substrate for image display panel | |
| KR20060117376A (en) | Dimensionally stable electroluminescent lamp without substrate | |
| CN101068460A (en) | Method for producing electromagnetic wave shielding material | |
| CN1991557A (en) | Electrophoretic display device and electronic apparatus | |
| WO2006033863A1 (en) | Large area el lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20121210 |