CN2852378Y - Plasma display filter plate with electromagnetic radiation prevention and filtering function - Google Patents
Plasma display filter plate with electromagnetic radiation prevention and filtering function Download PDFInfo
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- CN2852378Y CN2852378Y CNU2005200355927U CN200520035592U CN2852378Y CN 2852378 Y CN2852378 Y CN 2852378Y CN U2005200355927 U CNU2005200355927 U CN U2005200355927U CN 200520035592 U CN200520035592 U CN 200520035592U CN 2852378 Y CN2852378 Y CN 2852378Y
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Abstract
The utility model provides a light filter plate for a plasma (PDP) display with functions of electromagnetic radiation prevention and light filtration, which comprises a transparent resin base sheet or a glass base sheet, wherein one surface of the base sheet is provided with a plated film layer with functions of electromagnetic radiation prevention and light filtration. The plated film layer is provided with a resin layer for inhibiting the plated film layer from oxidation or erosion. A metal platinum piece is in contact with the plated film layer, connected with the plated film layer through a conductive adhesive and is regarded as an extraction electrode. The plated film layer adopts a structure with 13 layers or 17 layers, which is composed of a film series repeated plated layer of TiO 2/ZnO (SnO 2) /Ag/NiCrOx (NiCrOx) /TiO 2. The utility model has the advantages of cost reduction, high productive efficiency, high strength, high light transmittance, electromagnetic radiation prevention, good light filtering effect and long service life.
Description
Technical field:
The utility model is relevant with the filter in the display device, and is special relevant with the filter with anti-electromagnetic radiation and filtering functions in the plasma scope (PDP).
Background technology:
The antireflection of present PDP filter and anti-electromagnetic radiation and filtering functions are to form like this: the outer surface at a sheet glass is pasted the plastic film that is coated with the antireflection rete, pastes the anti-electromagnetic radiation that formed by two layers of plastics and the diaphragm of filtering functions at another side.Wherein one deck is to adopt photoetch method or woven wire wiring method to make the metallic conduction grid on diaphragm to form the anti-electromagnetic radiation function.Have the method that adopts brushing pigment film to form rete or paste on the film of metal wire or wire mesh grid at this layer, form the function of anti-electromagnetic radiation and optical filtering by this two membranes with orange-colored light decay plastic film.Because lamination lamination composite methods, various functional membranes are on one deck diaphragm, attaching process and combination process require high, be difficult for mechanization and produce continuously, and the cost height, rate of finished products is low, production efficiency is low, and light transmittance is low.
The patent documentation name of publication number CN1509490A is called the plasma display panel filter and discloses lamination and the various antireflections of lamination (AR) film on transparent substrate, near-infrared (NIR) screened film and electromagnetic interference (EMI) screened film, this functional membrane is the key film that filter needs, they are that the difference plated film is on plastic basis material or plastic film, need lamination in layer by function again and be stacked on the transparent substrate, transparent substrate is to place being overrided to form of adhesive layer between the resin bed by at least two transparent resin layers and at least one.This plated film respectively, the shaping manufacture method of lamination does not still have the essence progress with preceding method again, and still efficient is low, rate of finished products is low, cost is high.Particularly multi-level lamination lamination, the residual volatile matter of the solvent that steam bubble between the lamination and binding agent may exist greatly reduces rate of finished products.
The patent documentation of number of patent application 200410069275.7; name is called laminated body and uses the filter of display of this laminated body to disclose; anti-oxidant or the erosion problem that how to solve silver film in the EMI screened film in the screened film of the key function film electromagnetic interference (EMI) that filter needs most is called erosion the cohesion of the silver atoms of silver-colored thin layer in the literature; the silver-colored thin layer that shows as that corrodes produces " white point "; document is said is also promptly increasing by a protective layer on the superficial layer at three layers of silver-colored thin layer on for the film of the anti-reflection transparent high index of refraction that must have on the crucial thin layer of anti-electromagnetic interference, and this protective layer is made up of the adhesive material and the inorganic fine particles of polymer.Inorganic fine particles is to adopt the silicon dioxide of metal oxide such as its recommendation, tin oxide, zinc oxide, indium oxide, antimony trioxide, aluminium oxide, zirconia etc., more preferential selective oxidation antimony tin monoxide composite oxides, antimony oxide one zinc oxide composite oxides.Adhesive and inorganic fine particles are by solvent or solution dissolved adhesive; and dispersion inorganic fine particles; be coated on the rete of forming by silver-colored thin layer and anti-reflection high refractive index film layer with rubbing method; be actually and be coated on the high refractive index film layer; and finally forming protective layer, document claims to forming " white point " obviously surprised inhibitory action is arranged.This metal oxide of solvent or solution formation and the thin layer of binding agent combination of utilizing; say with regard to technical process and to relate to environmental issue and pollution; wayward with regard to film forming thickness and visible light transmissivity; and can't the testing product qualification rate on production line; can not control and qualification rate low; the rete fastness is not enough; and rete is the most surperficial; in protection aspect uper side surface resistivity, because of being arranged, macromolecule resin participates in combination, and surface resistivity is higher than not increasing this protective layer on the contrary; the EMI function of shielding is descended; for the film layer structure of three layers of silver, solved so-called " white point " problem, but reduced the EMI screening ability of three layers of silver.The document has been talked about the method for controlling that suppresses silver-colored thin layer is corroded or claims to reduce " white point "; but be coated with this layer protective layer owing to only adopt on the transparent high refractive index film layer of the superficial layer of three layers of silver-colored structural film layer; to the effect of EMI shielding not enough; surface resistivity preferably can only reach 2 Ω/; also do not reach the standard of household electrical appliance less than 1.5 Ω/; document does not have method or scheme to be divided into report or prompting that three layers (if four layers of silver-colored film layer structure should have four layers) increases the metal-oxide film layer between every layer of silver-colored thin layer and transparent high refractive index film layer, more do not utilize the continuous magnetron sputtering method plate these three layers or four layers of metal oxide such as NiCrOx film and with all the other ZnO/Ag/TiO
2Film organically combines and improves screening ability, simultaneously the infrared light ultraviolet light has been stopped the report and the prompting of filtering functions.
The utility model content:
The purpose of this utility model is in order to overcome above deficiency, provide that a kind of production efficiency is higher, cost is lower, the life-span is longer, adaptability and matching is better, with the filter with anti-electromagnetic radiation and filtering functions of the better supporting plasma scope of PDP display panel.
The purpose of this utility model is achieved like this:
The filter with anti-electromagnetic radiation and filtering functions of the utility model plasma scope, comprise transparent resin substrate or glass substrate, the coatings that anti-electromagnetic radiation and filtering functions are arranged on the one side of substrate, the resin bed that stops coatings oxidation or erosion is arranged on coatings, with coatings contact and the metal platinum part that is connected by conducting resinl as extraction electrode, coatings be by three layers or four layers of TiO
2/ ZnO/Ag/NiCrOx/TiO
2Or TiO
2/ ZnO/Ag/NiCrNx/TiO
2Or TiO
2/ SnO
2/ Ag/NiCrOx/TiO
2Or TiO
2/ SnO
2/ Ag/NiCrNx/TiO
213 layers or 17 layers of structure that the rete that such film system repeats to form is formed, wherein the X among NiCrOx or the NiCrNx is 1～6, the resin bed that connects on coatings is transparent highly cross-linked methyl organic siliconresin or is the organic siliconresin of primary raw material modification with it, the method of the EMI rete that can adopt continuous magnetron sputtering to plate to state anti-electromagnetic radiation and filtering functions, these 13 layers or 17 layers of coatings are firm, filtering functions is powerful, the coatings surface resistivity is less than 1.5 Ω/, coating process is continuous, stable, the efficient height, cost is low, can on the EMI rete, apply the methyl organic siliconresin of transparent height association or be the organic siliconresin of primary raw material modification with it, EMI film and atmosphere and presumable corrosive medium are isolated, the EMI rete that has stoped easy oxidation and easily be etched, particularly generation oxidation of Ag layer and the erosion in the rete, this methyl organic siliconresin or be that the organic siliconresin coat of primary raw material modification itself has higher hardness with it, itself and TiO
2Layer also has more firm bonding force; so apply firmly; this rete adjustable color temperature and light transmittance are because of having added organic and/or inorganic pigment; added catalyst in order to accelerate its film-forming when pigment and this organic siliconresin of coating; these two kinds of additives all improve hardness to organic siliconresin special effect; therefore this film has higher hardness damage resistant and the pliability and the various excellent properties of resin bed is arranged; particularly this kind resinous coat has special ageing-resistant performance to light waves such as ultraviolet lights; can keep the color of its design for a long time; be not prone to the problem of the easy weather stain of general plastic film; can good protective effect be arranged and the very long life-span is arranged the EMI rete, more reliable assurance be arranged than on the EMI rete, utilizing binding agent to paste compound one deck resin bed.The resin bed that applies on coatings in filter is alkyd modified organic siliconresin or acrylic acid modified organic siliconresin or the epoxide modified organic siliconresin or the organic siliconresin of polyester modification, adopted the organic siliconresin of modification, its rete has the promptly excellent thermo oxidative stability of better thermal endurance, better electrical insulating property, better mechanical performance mainly is caking property and has improved hardness can reach hardness (pencil hardness) more than the 2H when keeping its pliability; Better weather resistance and chemical-resistant reagent and hydrophobicity improve the protective capability that has also greatly improved the EMI rete to the big radian of rete self performance.Organic and/or the inorganic pigment that adds the gentle visible light transmissivity of toning in the prevention coatings oxidation that can in filter, on coatings, apply or the resin bed of erosion; because coating is with organic siliconresin and absolute ethyl alcohol to the coating method that the EMI film plays the silicone resin of protection on coatings; n-butanol, curing agent (catalyst) are made solution; with construction methods such as spraying, dip-coating, roller coat liquid is coated on the EMI face of substrate again, is heating and curing that the back generates very hard coating and required resin film layer in the acquisition scheme through solution evaporation.Above-mentioned three kinds of painting methods, better with dip-coating, not only can play covering and protection on the whole to the EMI film, can also cover together with substrate from EMI rete end face, prevent to corrode from the film section.Add auxiliary agents such as pigment when obtain solution very easily by the needs of adjusting colour temperature and light transmittance, the film forming after the curing has also just obtained the color of required colour temperature and the shield effectiveness of required light transmittance easily.For all more convenient enforcement of batch size, the method that this method and prior art and applicant have applied for, such as with make coloured resin film and/or on this resin film, apply coloured binding agent and itself and the stickup of on-chip EMI film obviously will be made things convenient for easier, it is high that rate of finished products is also wanted, paste between resin molding and the EMI film and be easy to introduce bubble and the substrate of finishing plated film is scrapped, cause cost high.Therefore this programme has tangible substantial progress and effect.
On transparent resin substrate or glass substrate have the another side of substrate of coatings of anti-electromagnetic radiation and filtering functions, the anti-reflection function rete is arranged in the above-mentioned filter, in its anti-reflection function rete at least by SiO
2/ Nb
2O
5Or SiO
2/ TiO
2Two tunics form; can adopt continuous magnetron sputtering method coating anti reflection film to make at another side and watch face reflectivity＜5%; this can learn in reflectivity curve; can reduce the light reflection of substrate face like this to surrounding environment; improve the picture quality of PDP TV; solve the serious problem of present many PDP TV protection screen reverberation, improved the value and the function of filter.
In the above-mentioned filter, being connected with outer surface at transparent resin substrate or glass substrate another side by binding agent has at least two layers SiO
2/ Nb
2O
5Or SiO
2/ TiO
2The transparent high-intensity resin film of the anti-reflection function rete that structure is formed; this binding agent and the transparent high-intensity resin film of anti-reflection function rete is arranged and transparent resin substrate or glass substrate are pasted to be combined with each other and formed the filter with safety protection function with shock resistance function; this scheme has increased the resin film that layer of surface has anti-reflective film at the face of watching of filter; and diaphragm is to paste the compound one that is by binding agent and filter substrate; even watch face to reduce the light reflection of surrounding environment; improved the image-watching quality; more important is to have increased that the high diaphragm of one deck intensity has improved the ability of the shock-resistant destruction of substrate and the filter that substrate become have the safeguard protection effect, can substitute existing protection screen and reduce cost when PDP display combinations structure.Substrate in the filter can adopt the half tempered glass or the toughened glass of chemical method or physical method processing, also can adopt the substrate of polymethyl methacrylate or polyester or polycarbonate material.
Watch planar survey at display in the above-mentioned filter, the visible light transmissivity of filter 〉=40%, resin layer surface hardness (pencil hardness) 〉=2H, the surface resistivity of coatings≤1.5 Ω/.
The utility model filter can only have the methyl silicone resin layer of prevention coatings oxidation and erosion or the organic siliconresin of modification and the metal forming stickup as extraction electrode that contacts with the EMI coatings to combine by coated glass that plates EMI shielding coatings or transparent resin substrate with being connected (applying as adopting), becomes the most basic filter of PDP display.Also can improve and watch picture quality and substrate is become filter, and can make glass become safety glass watching face to paste the high-intensity resin film that is coated with reflectance coating with safeguard protection effect.Also can be at the another side of a substrate EMI shielding coatings also coating anti reflection (AR) film, it is faced watch the face also can antireflection, particularly anti-environment makes filter more perfect than original technology to the light reflection of screen, and performance is better, and the life-span is longer.
The utility model is with existing public technology and applied for the scheme ratio; paste the waste product that plastic film may cause because of having reduced; increased the convenience of the gentle light transmittance of mixing colours; and the rate of finished products of filter; especially the EMI film there is stronger protection; so that the filter cost is low, efficient is high, intensity is high, anti-electromagnetic radiation and filter effect are good, long service life, adaptability and matching are better.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is three layers of repetitive structure schematic diagram of anti-electromagnetic radiation coatings.
Fig. 3 is for to involve shielding and filtration and visible light transmittance rate curve chart infrared, the ultraviolet wave-wave to electromagnetism.
Fig. 4 is the anti-reflection film structure schematic diagram.
Fig. 5 is an antireflection light curve schematic diagram.
Fig. 6 does not have the utility model structural representation of anti-reflection function for one side.
Fig. 7 is pasted with the utility model structural representation of anti-reflection function film for another side.
Fig. 8 is the utility model structural representation again.
Embodiment:
Embodiment 1:
Fig. 1 has provided present embodiment 1 figure.Referring to Fig. 1, substrate 1 adopts the thick optical grade float glass (but tempering) of 3mm or adopts thick polymethyl methacrylate (PMMA) plastic substrate or thick polyester (PET) substrate of 0.2mm of 2mm, after washed with de-ionized water, enter continuous magnetron sputtering film production line and adopt the method for continuous magnetron sputtering to plate as shown in Figure 2 three silverskin system (also can be four silverskin systems), promptly by TiO
2/ ZnO (or SnO
2)/Ag/NiCrOx (or NiCrNx)/TiO
213 tunics (the adjacent TiO of adjacent structure layer that repetitive structure is formed
2Layer coincidence) the anti-electromagnetic radiation and the coatings of filtering functions (being EMI shielding coatings) 2, TiO wherein
2, ZnO adopts the method preparation of twin intermediate frequency reaction magnetocontrol sputtering, and Ag and NiCrOx adopt plane direct current magnetron sputtering to be equipped with.If at three layers of TiO
2/ ZnO (or SnO
2)/Ag/NiCrOx (or NiCrNx)/TiO
2Repetitive structure rete (i.e. three silver medals) is gone up increases TiO
2/ ZnO (or SnO
2)/Ag/NiCrOx (or NiCrNx)/TiO
2Rete i.e. four layers of composite construction (i.e. four silver medals), becomes 17 layers at last, the X=1 (or 2) among the NiCrOx (or NiCrNx), and various performance index are more guaranteed, and particularly surface resistivity can be dropped to by≤1.5 Ω/ ≤1.3 Ω/below the.The performance of the EMI barrier film layer of producing as shown in Figure 3, the transmitance of visible light should be greater than 60%, and should descend rapidly in the near-infrared section.Surface resistance R=1.3 ± 0.02 Ω/, sheet resistance is more little, and the ability of anti-electromagnetic radiation is strong more.The surface that shields coatings 2 at EMI is by spraying or dip-coating or roller coat coating methyl organic siliconresin solution; the SAR-2 that this resin has commercially available prod such as Shanghai resin processing plant to produce; SAR-5; the preparation of solution existing ripe prescription is as SAR-5 organic siliconresin 15-25%; absolute ethyl alcohol 40-60%; n-butanol 20%-25%; curing agent 0.8%-1.2%; the orange pigment that adds a little makes colour temperature warm (all with mass fraction) partially; the solution that applies is under 60 ℃～80 ℃ temperature; oven dry volatilization and solidify the back and form thick coloured of 3um～10um but transparent methyl silicone resin layer 3; this resin bed can prevent its oxidation and erosion after coatings 2 is isolated from the outside, particularly to the protection of the silver layer in the coatings 2.Paste with conducting resinl 4 and EMI shields that coatings contacts and as the tinsel 5 of extraction electrode in the about 10mm part of the substrate face that is coated with EMI barrier film layer hem width around it.Another side at transparent resin substrate or glass substrate adopts twin intermediate frequency reaction magnetocontrol sputtering method to plate anti-reflection function (AR) rete 6 respectively.The structure of anti-reflection function rete as shown in Figure 4, by SiO
2/ Nb
2O
2Or TiO
2The four-layer structure that repeats to form.The performance of the AR rete of producing, its reflectivity curve are as shown in Figure 5 at reflectivity R＜5% of visible light section.This embodiment has utilized TiO
2/ ZnO (or SnO
2)/Ag/NiCrOx (or NiCrNx)/TiO
2The rete of continuous magnetron sputtering method plating of three layers or four layers repetitive structure, not only rete is firm, the visible light transmissivity height, satisfy household electrical appliances anti-electromagnetic radiation standard, surface resistivity is less than 1.5 Ω/, the production efficiency height, the rate of finished products height, cost is low, also because of watching face to increase the antireflection coatings, improved picture quality, more important is to have applied the coloured transparent highly cross-linked methyl organic siliconresin of one deck on EMI shielding coatings, this resin bed has better heat-resisting, and ageing-resistant and chemical resistance has higher hardness, but pliability is arranged, the oxygen barrier ability is arranged especially, can prevent oxidation of EMI coatings and erosion, improved the useful life of EMI shielding coatings.Sequence number is 9 for the PDP display among the figure.
Resin film layer 3 on the BMI shielding coatings also can adopt the methyl organic siliconresin of polyester modification, perhaps acrylic acid modified organic siliconresin, and this resin bed color has added phthalocyanine blue pigment because of the colder colour temperature of need, and this resin bed hardness (pencil) can reach 3H.
Embodiment 2:
Fig. 6 has provided present embodiment 2 structure charts.Present embodiment 2 is basic same with embodiment 1, and not existing together is no AR rete on the another side of substrate, becomes the basic model of filter.
Embodiment 3:
Fig. 7 has provided present embodiment 3 structural representations.Present embodiment 3 is basic same with embodiment 1; do not exist together is to be pasted with the resin sheet 7 (biaxial stretching polyester diaphragm BOPET) that is coated with anti-reflecting layer AR film 6 on the another side of resin film (or glass substrate); one side wherein is coated with AR film 6; another side utilizes the polyamine fat glue-line 8 of acrylate pressure sensitive adhesive or bi-component to paste with glass substrate 1 and is combined with each other; make glass substrate become shock proof safety glass, and can become the safety protective screen of PDP display because of the stickup of high strength BOPET.
Embodiment 4:
Fig. 8 has provided the structural representation of present embodiment 5.Present embodiment will be coated with the PMMA substrate 1 of EMI shielding coatings 2, the display panel that utilizes methyl silicone resin layer 3 to do in adhesive layer and the PDP display 9 is bonded as one, the face of watching at substrate utilizes adhesive layer 8 to paste the BOPET resin film 7 that is coated with AR film 6, attenuate display thickness, with the foregoing description to the silicone resin layer 3 of PDP display panel one side as binding agent, the function that better prevents the oxidized and erosion of EMI screened film 2 is arranged.
The various embodiments described above are that foregoing of the present utility model is further described, but this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present utility model.
Claims (4)
1, the filter with anti-electromagnetic radiation and filtering functions of plasma scope, it is characterized in that comprising transparent resin substrate or glass substrate, the coatings that anti-electromagnetic radiation and filtering functions are arranged on the one side of substrate, the resin bed that stops coatings oxidation or erosion is arranged on coatings, with coatings contact and the metal platinum part as extraction electrode that is connected by conducting resinl, coatings is by three layers or four layers of TiO
2/ ZnO/Ag/NiCrOx/TiO
2Or TiO
2/ ZnO/Ag/NiCrNx/TiO
2Or TiO
2/ SnO
2/ Ag/NiCrOx/TiO
2Or TiO
2/ SnO
2/ Ag/NiCrNx/TiO
213 layers or 17 layers of structure that the rete that such film system repeats to form is formed, wherein the X among NiCrOx or the NiCrNx is 1～6.
2, the filter with anti-electromagnetic radiation and filtering functions of plasma scope as claimed in claim 1 is characterized in that the anti-reflection function rete is arranged on the another side of transparent resin substrate or glass substrate, in its anti-reflection function rete at least by SiO
2/ Nb
2O
5Or SiO
2/ TiO
2Two tunics form.
3, the filter with anti-electromagnetic radiation and filtering functions of plasma scope as claimed in claim 1 is characterized in that another side at transparent resin substrate or glass substrate is connected with outer surface by binding agent at least two layers of SiO are arranged
2/ Nb
2O
5Or SiO
2/ TiO
2The transparent high-intensity resin film of the anti-reflection function rete that structure is formed.
4, as claim 1 or 2 or 3 described filters, it is characterized in that watching planar survey the visible light transmissivity of filter 〉=40%, resin layer surface hardness 〉=2H, the surface resistivity of coatings≤1.5 Ω/ at display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200355927U CN2852378Y (en) | 2005-09-27 | 2005-09-27 | Plasma display filter plate with electromagnetic radiation prevention and filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200355927U CN2852378Y (en) | 2005-09-27 | 2005-09-27 | Plasma display filter plate with electromagnetic radiation prevention and filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852378Y true CN2852378Y (en) | 2006-12-27 |
Family
ID=37586334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200355927U Expired - Fee Related CN2852378Y (en) | 2005-09-27 | 2005-09-27 | Plasma display filter plate with electromagnetic radiation prevention and filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852378Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419473C (en) * | 2005-07-14 | 2008-09-17 | 甘国工 | Light filter of plasma display device with anti-electromagnetic radiation and light-filtering functions |
| CN106381465A (en) * | 2016-09-08 | 2017-02-08 | 江苏双星彩塑新材料股份有限公司 | Four-silver low-radiation energy-saving window film and preparation method thereof |
-
2005
- 2005-09-27 CN CNU2005200355927U patent/CN2852378Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419473C (en) * | 2005-07-14 | 2008-09-17 | 甘国工 | Light filter of plasma display device with anti-electromagnetic radiation and light-filtering functions |
| CN106381465A (en) * | 2016-09-08 | 2017-02-08 | 江苏双星彩塑新材料股份有限公司 | Four-silver low-radiation energy-saving window film and preparation method thereof |
| CN106381465B (en) * | 2016-09-08 | 2018-09-14 | 江苏双星彩塑新材料股份有限公司 | Energy saving fenestrated membrane of a kind of four silver low radiations and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20061227 Termination date: 20091027 |