CN201732178U - Optical filter with electromagnetic shielding function and displayer using same - Google Patents
Optical filter with electromagnetic shielding function and displayer using same Download PDFInfo
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- CN201732178U CN201732178U CN2009202986645U CN200920298664U CN201732178U CN 201732178 U CN201732178 U CN 201732178U CN 2009202986645 U CN2009202986645 U CN 2009202986645U CN 200920298664 U CN200920298664 U CN 200920298664U CN 201732178 U CN201732178 U CN 201732178U
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Abstract
The utility model discloses an optical filter with an electromagnetic shielding function, which comprises a flexible transparent resin substrate, an optical absorbing dye resin film layer and a resin adhering layer. An electrically conductive coating film layer is arranged on the substrate, the optical absorbing dye resin film layer has a yellow characteristic of having extremely large absorbing peak for optical wavelength ranging from 570 nanometers to 610 nanometers, the substrate and a displayer are integrally composed by the resin adhering layer, the electrically conductive coating film layer is in a symmetric structure of a metallic oxide film layer with high refractive index/a metallic oxide film layer with low refractive index/a silver or silver alloy film layer/a metallic oxide film layer with low refractive index/a metallic oxide film layer with high refractive index and folded for three to four times to form 13 layers or 17 layers of films with an electromagnetic shielding electrically conductive function, an electrically conductive film layer composed at the peripheral edge of the optical filter is conductively grounded on the coating film layer to form the shielding function, the electrically conductive film layer comprises a substrate and resin connecting materials, and the substrate is made of sliver or silver coated copper micrometer electrically conductive materials. The optical filter can improve contrast ratio, and reduces the thickness of the plasma displayer. The utility model further provides the plasma displayer using the optical filter.
Description
Technical field:
The utility model is relevant with the optical filter in the plasma display apparatus, and is relevant with the optical filter with anti-electromagnetic radiation and filtering functions in the plasma scope (PDP).
Background technology:
The function of shielding of the electromagnetic radiation of present PDP optical filter is to rely on the copper mesh laid on this plate plane or be plated in the layering of arranging in pairs or groups of ITO and silver and silver alloy optics that the transparent conductive film layer of formation comes the electromagnetic radiation shielding ripple on the plane, applying or coating have the absorbing dye of the yellow neon feature of 596nm light wave and the look film of near infrared light absorbing dye on this plane, mainly the two combines and forms electro-magnetic screen function, yellow characteristic light absorption and near-infrared light waves absorption function by this, and adjusts colour temperature and reach certain transmittance index and realize filtering functions.
Disclosed mainly is that to adopt the plated film mode to form the optical filter patent and the technical scheme of electro-magnetic screen function also a lot, but mainly contains following several with the immediate technology of the utility model:
The patent documentation of number of patent application 01800419.0, this patented technology scheme and the utility model are the most approaching, also be to be mainly used in to stick on the display screen to use, this patent disclosure a kind of display filter, this optical filter is at the one or both sides upper strata of macromolecule membrane (B) deposit transparent conductive layer (D), transparency conducting layer is that combination (Dt)/(DM) with high refractive index transparent thin layer (Dt) and metal film layer (DM) is as repetitive, deposit for 2-4 time repeatedly, deposit high refractive index transparent thin layer (Dt) more thereon and constitute, one deck at least in this high refractive index transparent thin layer (Dt) is also disclosed by with indium, more than one of tin and zinc are that the oxide of principal ingredient forms, the one deck at least that also discloses in a plurality of metal film layers (DM) is formed by silver or silver alloy, also disclosing in the close air side of macromolecule membrane (B) also promptly watches face to be shaped on the scheme of individual layer antireflection film layer, also open and clear conductive layer (D) has the surface resistance of 0.01-30 Ω/, but the film of 2-4 repetition of the Dt/DM film of in fact disclosed deposition promptly is 7 tunics, so long as adopt the mode of coated film deposition to form electrically conducting transparent 7 tunics, its surface resistance is all at 2.2 Ω/more than the, most at 5 Ω/more than the, do not reach the standard that domestic TV is lower than 1.5 Ω/, be actually and can't come into operation, this proves also that in its patent documentation its electromagnetic screen ability does not reach the standard of VCCI ClassB.Even the method by its patent disclosure can be used, in fact compound copper coin of this so-called transparency conducting layer (D) etching of remaining employing or the electromagnetic wave shielding mesh that adopts the wire cloth network method to form, this layer net do not possess the function of absorption or block ultraviolet, near infrared light simultaneously.This patent does not have open and enlightenment is the basic rete of conduction with silver; plate the metal oxide of low-refraction and the metal oxide rete of high index of refraction in its two sides symmetry; form the design of anti-reflection film system and the scheme of 5 tunic layers; and form nesa coating with electro-magnetic screen function through 3 to 4 times overlapping plated film; the surface resistance that realizes 1.5 Ω/ reaches ultraviolet light; the filtering functions of near infrared light; stability also not open and these transparent metal oxide retes self anti-aging capability that prompting utilization deposits on silver layer increases the protection to silver layer; utilizing these films simultaneously is that the nanoscale film has special absorption and reflection potential to ultraviolet light and near-infrared light waves; the common ultraviolet light that improves in stratified film combination back; the absorption of near infrared light and blocking capability; this patent is not open with these coatings and to ultraviolet light yet; the screening ability of near infrared light and optical characteristics; possess in conjunction with optical filter and in organic coating or the rete 596nm neon light to be sent the optical characteristics of the absorbent dyestuff of yellow characteristic light; combine and realize the filtering functions of plasma display; make green and redness all bright-coloured, improve the colouristic properties and the optical property of display.
The optical filter of the described plasma scope of the patented claim of application number 200610022680.2 (PDP), comprise the transparent resin substrate, adopt the method for vacuum continuous magnetron sputtering to be coated with the anti-reflection conducting film system of antireflection in the one side of transparent resin substrate, the anti-reflection conducting film system of antireflection is by serving as the basic rete of conduction with silver or silver alloy, conduct electricity basic rete two sides symmetry at silver or silver alloy low-refraction transparent metal oxide rete Mel is arranged, high refractive index transparent metal oxide rete Meh is arranged and form that 5 tunics of Meh/Mel/ silver/Mel/Meh or Meh/Mel/ silver alloy/Mel/Meh form in low-refraction transparent metal oxide rete two sides symmetry, this 5 tunic is overlapping and be formed on 13 layers or 17 layers of coatings on the transparent resin substrate through 3 times or 4 times, they are the ground floor Meh that are plated on the transparent resin substrate one side, second layer Mel, the 3rd layer of silver or silver alloy, the 4th layer of Mel, layer 5 Meh, layer 6 Mel, layer 7 silver or silver alloy, the 8th layer of Mel, the 9th layer of Meh, the tenth layer of Mel, eleventh floor silver or silver alloy, Floor 12 Mel, 13 layers of coatings of the 13 layer of Meh or be plated in ground floor Meh on the transparent resin substrate one side, second layer Mel, the 3rd layer of silver or silver alloy, the 4th layer of Mel, layer 5 Meh, layer 6 Mel, layer 7 silver or silver alloy, the 8th layer of Mel, the 9th layer of Meh, the tenth layer of Mel, eleventh floor silver or silver alloy, Floor 12 Mel, the 13 layer of Meh, the 14 layer of Mel, the 15 layer of silver or silver alloy, the 16 layer of Mel, 17 layers of coatings of the 17 Meh, this coatings has the surface resistance that is lower than 2 Ω/, be compounded with the plastic membranous layer or the resin glue layer that stop coatings oxidation or erosion on the coatings, the metallic film as extraction electrode that contacts with coatings is arranged, the dye well dope dye that the yellow characteristic light of the 596nm that the neon light that absorbs plasma display sends is arranged in the plastic membranous layer of this optical filter and/or the resin glue layer, after the optical characteristics of the coatings on this transparent resin substrate and the optical characteristics combination that contains the plastic membranous layer of dyestuff and resin bed, transmitance when making the optical filter visible wavelength be 380-780nm is 25% to 65%, ultraviolet wavelength is that the transmitance of 380nm when following is lower than 15%, near-infrared wavelength is that the transmitance of 850nm when above is lower than 15%, and optical wavelength 560nm to 615nm place has maximum gold-tinted to absorb trough.With silver is the basic rete of conduction; plate the metal oxide of low-refraction and the metal oxide rete of high index of refraction in its two sides symmetry; form the anti-reflection film system of 5 tunic layers; and be through the nesa coating that 3 to 4 times overlapping plated film forms 13 layers or 17 layers based on silver or silver alloy; the surface resistance that realizes 1.5 Ω/ reaches ultraviolet light; the filtering functions of near infrared light; the stability of these transparent metal oxide retes self anti-aging capability of utilization lamination on silver layer increases the protection to silver layer; utilizing these films simultaneously is that the nanoscale film has special absorption and reflection potential to ultraviolet light and near-infrared light waves; the common ultraviolet light that improves in stratified film combination back; the absorption of near infrared light and blocking capability; possess in conjunction with optical filter and in organic coating or the rete 596nm neon light to be sent the optical characteristics of the absorbent dyestuff of yellow characteristic light; combine and realize the filtering functions of plasma display; make green and redness all bright-coloured, improve the colouristic properties and the optical property of display.
This patent disclosure high refractive index metal oxide/low-refraction metal oxide/silver or silver alloy/low-refraction metal oxide/high refractive index metal oxide, this symmetrical structure is overlapping forms the scheme of the film with electromagnetic shielding conductive layer function of 13 layers or 17 layers for 3 to 4 times, the scheme that 590nm to 610nm optical wavelength is had the yellow characteristic light absorbing dyestuff resin bed of very big absorption peak is disclosed, the metallic film as extraction electrode that contacts with coatings is also disclosed, be specially the conductive aluminum foil of fitting among the embodiment, but it is unexposed as silver or the main base material of silver-colored copper-clad micro materials conduct, resin binder is as the non-individual body material, make the technical scheme of conductive electrode of modes such as printings, more do not have the disclosure of prescription and method, and adopt this scheme to form the evaluation of the contribution of electromagnetic shielding conductive rete plasma display electromagnetic screen ability in conjunction with the plated film mode.
The utility model content:
The purpose of this utility model is in order to overcome above deficiency, a kind of optical filter that electro-magnetic screen function is arranged is provided, the planar resistor of electromagnetic shielding conductive rete that makes above-mentioned plated film mode and formation is in 42 ", 50 ", 60 of 0.8 Ω to 1.5 Ω " the electromagnetic screen ability of plasma display reaches the standard of VCCIClassB; and make color more bright-coloured; display is slimming more, and better electromagnetic screen ability is arranged.
The purpose of this utility model is achieved like this:
The utility model has the optical filter of electro-magnetic screen function, comprise the flexible and transparent resin substrate, silver or silver alloy metal material layer are arranged on substrate, the anti-reflection antireflection that high refractive index metal oxide rete and low-refraction metal oxide rete matched combined form, to ultraviolet light, near infrared light has absorption and/or conduction coatings reflection function and that electro-magnetic screen function is arranged, there is pair 570nm to 610nm optical wavelength that the yellow characteristic light absorbing dyestuff resin film layer of very big absorption peak is arranged, there are flexible resin substrate and display to fit into the resin-bonded layer of one, the conduction coatings is to be high refractive index metal oxide rete/low-refraction metal oxide rete/silver layer/low-refraction metal oxide rete/this symmetrical structure of high refractive index metal oxide rete and the overlapping film with electromagnetic shielding conductive function that forms 13 layers or 17 layers for 3 to 4 times, or be high refractive index metal oxide rete/low-refraction metal oxide rete/silver alloy rete/low-refraction metal oxide rete/this symmetrical structure of high refractive index metal oxide rete and the overlapping film that forms 13 layers or 17 layers for 3 to 4 times with electromagnetic shielding conductive function, have the coatings of being compounded in to upload in the optical filter surrounding to connect ground and what form function of shielding is matrix and the conductive membrane layer that resin binder is arranged with silver or silver-colored copper-clad micron conductive material.The conduction coatings is to adopt magnetically controlled sputter method to be plated on the substrate, the electro-magnetic screen function of this conduction coatings be rely on printing or be sprayed on the coatings, form printing or spraying frame in the optical filter surrounding, be that matrix and the conductive membrane layer that resin binder is arranged conduct ground connection and form function of shielding with silver or silver-colored copper-clad micron conductive material.The conductive membrane layer that is matrix with silver or silver-colored copper-clad micron conductive material forms printing or spraying frame in the optical filter surrounding, increased the section thickness of conductive material silver layer, promptly reduced surface resistance, the resistance of extraction electrode particularly, improved conduction of current efficient widely, than past stickup metallic conduction aluminium (copper) paillon foil on the conduction coatings, better electromagnetic screen ability is arranged, improved effectiveness, make the plated film planar resistor be difficult under the reduction situation again 42 "; 50 " at 0.8 Ω to 1.5 Ω, 60 " the electromagnetic screen ability of plasma display reaches the standard of VCCI ClassB; and make color more bright-coloured, and display is slimming more.
The above-mentioned optical filter that electro-magnetic screen function is arranged; on the conduction coatings of optical filter, be compounded with one deck and prevent to conduct electricity the bond layer or the resin protective layer of coatings oxidation and/or chlorination; this conduction coatings is fitted into one in the face of display pannel by this bond layer or resin bed; its printing or the conductive membrane layer that is sprayed on the conduction coatings surrounding are drawn towards display ground connection, form electro-magnetic screen function.
The above-mentioned optical filter that electro-magnetic screen function is arranged, be compounded with one deck bond layer or resin bed on the conduction coatings of optical filter, this conduction coatings is in the face of watching face, flexible and transparent resin substrate and display pannel are fitted into one by one deck bonding agent, its printing or be sprayed on conductive membrane layer on the conduction coatings surrounding is drawn the formation electro-magnetic screen function towards spectators' ground connection.
The above-mentioned optical filter that electro-magnetic screen function is arranged, the silver of conductive membrane layer or the particle mean size of silver-colored copper-clad micron conductive material are between 1 to 8 micron, and the mass ratio of micron conductive material and resin binder is that a micron conductive material accounts for more than 50%.
The above-mentioned optical filter that electro-magnetic screen function is arranged, the resin binder of conductive membrane layer are to be the connection material of major ingredient with the alkyd resin, and printing or spraying back adopt the heat curing mode to form conductive membrane layer.Conductive membrane layer is printing or is sprayed on the conduction coatings periphery, forms its thickness and is at least the conductive membrane layer that 3 μ m, width are at least 4mm, forms the electro-magnetic screen function of optical filter after the conductive membrane layer ground connection.
The above-mentioned optical filter that electro-magnetic screen function is arranged, the resin binder of conductive membrane layer are to be the connection material of major ingredient with the acrylic resin, and printing or spraying back adopt the ultraviolet light polymerization mode to form conductive membrane layer.Conductive membrane layer is printing or is sprayed on the conduction coatings periphery, forms its thickness and is at least the conductive membrane layer that 5 μ m, width are at least 5mm, forms the electro-magnetic screen function of optical filter after the conductive membrane layer ground connection.
The utility model has the display of the optical filter of electro-magnetic screen function, and plasma panel posts the optical filter of electro-magnetic screen function.
Above-mentioned plasma display, the conduction coatings of optical filter is fitted in the face of display screen.
Above-mentioned plasma display, the conduction coatings of optical filter is in the face of spectators' face and display screen applying.
The utility model optical filter was pasted the metallic conduction aluminium foil than the past on the conduction coatings, better electromagnetic screen ability is arranged, improved and watched picture quality, the electromagnetic shielding conductive rete flexible light filter that forms in the plated film mode that has solved planar resistor 0.8 Ω to 1.5 Ω is 60 " technical barrier of using on the following plasma display; reach the standard of VCCI Class B domestic TV; attenuate display thickness, improved contrast.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the coatings structural representation that three overlapping electromagnetic shielding conductive films are formed.
The coatings structural representation that Fig. 3 forms for the folded electromagnetic shielding conductive film of quadruple.
Fig. 4 is another structural representation of the utility model.
Fig. 5 is the utility model structural representation again.
Embodiment:
Embodiment 1:
Fig. 1, Fig. 2 have provided present embodiment 1 figure, and referring to Fig. 1, sequence number 1 is 50, and " plasma panel, 3 is 125 μ m thickness PET films, adopts the magnetron sputtering mode to be coated with on the surface of film 3 and is high refractive index metal oxide rete TiO
2(or Nb
2O
5)/low-refraction metal oxide rete AZOY/ silver layer Ag/ low-refraction metal oxide rete AZOY/ high refractive index metal oxide rete TiO
2(or Nb
2O
5) the overlapping and 13 layers of conduction coatings 4 with electro-magnetic screen function forming of symmetrical structure, conduction coatings structure (also can be plated 4 overlapping conducting films referring to Fig. 2, promptly 17 layers, referring to Fig. 3), material and the thickness parameter such as the table 2 of 13 layers or 17 layers conduction coatings, the 5th, the resin bed of the acrylic acid series of about 20 μ m thickness of employing screen printing mode or coating method coating on the conduction coatings, adopt UV photocuring mode film-forming, there is the hardness greater than pencil test 2H on the film surface that is solidified into, 50 " display length and Width leave rectangular shaped rim does not have the coating resin layer, the 6th, silver/or the conducting metal micro mist (mass ratio accounts for 65%) of 3 to 4 microns of silver-colored copper-clad particle mean sizes be mixed into conductive silver paste with the resin binder that is mainly alkyd resin and tackifier (mass ratio accounts for 35%); adopt screen printing mode or spraying method on the aforementioned rectangular shaped rim that stays, to print or spray conductive silver paste; becoming thickness through being heating and curing is that 20 μ m width are the earthy conductive membrane layer of drawing of 12mm.This forming method of drawing the ground connection conductive membrane layer also can adopt other method to produce; such as the rectangle edge is first with intaglio printing press or screen printer print conductive silver paste by size all around on the electromagnetic shielding conductive coatings 4 on the PET film 3; heat curing or photocuring are after this draws earthy conductive membrane layer 6, and the protective seam that applies conduction coatings 4 with gravure or method for printing screen promptly increases hard resin layer 5 again.596nm neon characteristic light absorbing dye and the dyestuff of regulating colour temperature are miscible in the pressure sensitive adhesive bonding agent 2 of acrylic acid series of heat curing-type of pressure sensitive, are coated on the back side of PET film 3 with the mode that is coated with, and become the finished product of Fig. 1.This finished product is drawn the ground connection conductive film towards spectators' face, and during final assembly, the display ground lead is drawn the contact of ground connection conductive film therewith, this optical filter planar resistor 1.3 ± 0.1 Ω, and transmittance T=43%, effectiveness is referring to table 1.
Embodiment 2:
Fig. 4 is embodiment 2 figure, referring to Fig. 4,1 is 50 " plasma panel; 3 is the thick PET films of 150 μ m; the 4th, 4 of magnetron sputtering overlapping i.e. 17 layers of electromagnetic shielding conductive coatings (coatings structure and each tunic are thick in Fig. 3) on the PET film, the 2nd, the miscible pressure sensitive adhesive that extinction dyestuff is arranged, the 6th, draw the ground connection conductive membrane layer; the 7th, to hard (HC) acrylate resin layer of increasing of spectators' face making, the conduction coatings 4 of optical filter is fitted in the face of display screen above the PET film.
This embodiment and embodiment 1 are different to be that the electromagnetic shielding conductive coatings is to fit into one in the face of display screen 1 usefulness pressure sensitive adhesive 2 and display; this scheme has the protection of better preventing oxidation and chlorination to the electromagnetic shielding conductive coatings, and just complete machine ground connection press strip is by crimping outside spectators' face in the display screen with drawing contacting of ground connection conductive membrane layer.This optical filter planar resistor 1.2 ± 0.1 Ω, transmittance T=43%, effectiveness is referring to table 1.
Embodiment 3:
Fig. 5 is embodiment 3 figure, referring to Fig. 5,1 is 50 " plasma panel; the 2nd, the pressure-sensitive adhesive layer of miscible dyestuff; 3 is the thick PET films of 125 μ m, the 4th, the electromagnetic shielding conductive film coating of 4 of magnetron sputtering overlapping i.e. 17 tunics on PET film 3, its structure and thickness are referring to Fig. 3; the 9th, and 100 μ m are thick for the PET film, and the 10th, in that ginseng has micron order SiO in hard acrylate coating or the acrylate with increasing of making of rubbing method on the PET film 9
2Or the AG coating after the ITO formation curing, or refractive index is lower than the 1.5 hard anti-reflection antireflection resin beds that increase that are preferably below 1.4 after the coating curing, uses pressure sensitive adhesive 8 compound between PET film 3 and the PET film 9, and this scheme dyestuff is miscible in the pressure sensitive adhesive 2.This optical filter planar resistor 1.0 ± 0.1, transmittance T=43%, effectiveness (test of 3m field) is referring to table 1.
Table 1
As seen from Table 1, in embodiment 1, embodiment 2, embodiment 3 all owing to rectangle edge around on the electromagnetic shielding conductive coatings 4 on the PET film 3 have be the earthy conductive membrane layer 6 of drawing of matrix with silver or silver-colored copper-clad micron conductive material after, no matter plasma panel is in vertical direction, and still it launches electric field intensity all less than VCCI Class B standard in the horizontal direction.
The material of 13 layers or the 17 layers EMI screened film of Fig. 2 and Fig. 3 and thickness parameter such as following table 2:
| Film material | Thickness (nm) | Film material (17 layers) | Thickness (nm) |
| TiO 2Or Nb 2O 5 | 25～30? | TiO 2Or Nb 2O 5 | 30～38? |
| AZO? | 5? | AZO? | 4? |
| Ag? | 18? | Ag? | 15? |
| AZO? | 5? | AZO? | 4? |
| TiO 2Or Nb 2O 5 | 50～60? | TiO 2Or Nb 2O 5 | 60～76? |
| AZO? | 5? | AZO? | 4? |
| Ag? | 18? | Ag? | 15? |
| AZO? | 5? | AZO? | 4? |
| TiO 2Or Nb 2O 5 | 50～60? | TiO 2Or Nb 2O 5 | 60～76? |
| AZO? | 5? | AZO? | 4? |
| Ag? | 20? | Ag? | 17? |
| AZO? | 5? | AZO? | 4? |
| TiO 2Or Nb 2O 5 | 25～30? | TiO 2Or Nb 2O 5 | 60～76? |
| ? | ? | AZO? | 4? |
| ? | ? | Ag? | 17? |
| ? | ? | AZO? | 4? |
| ? | ? | TiO 2Or Nb 2O 5 | 30～38? |
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 (6)
1. the optical filter that electro-magnetic screen function is arranged, comprise the flexible and transparent resin substrate, silver or silver alloy metal material layer are arranged on substrate, the anti-reflection antireflection that high refractive index metal oxide rete and low-refraction metal oxide rete matched combined form, to ultraviolet light, near infrared light has absorption and/or conduction coatings reflection function and that electro-magnetic screen function is arranged, there is pair 570nm to 610nm optical wavelength that the yellow characteristic light absorbing dyestuff resin film layer of very big absorption peak is arranged, have flexible and transparent resin substrate and the compound resin-bonded layer of display for one, the coatings that it is characterized in that conducting electricity is to be high refractive index metal oxide rete/low-refraction metal oxide rete/silver layer/low-refraction metal oxide rete/this symmetrical structure of high refractive index metal oxide rete and the overlapping film with electromagnetic shielding conductive function that forms 13 layers or 17 layers for 3 to 4 times, or be high refractive index metal oxide rete/low-refraction metal oxide rete/silver alloy rete/low-refraction metal oxide rete/this symmetrical structure of high refractive index metal oxide rete and the overlapping film that forms 13 layers or 17 layers for 3 to 4 times with electromagnetic shielding conductive function, have in the optical filter surrounding to be compounded in the conduction coatings and to upload and connect ground and what form function of shielding is matrix and the conductive membrane layer that resin binder is arranged with silver or silver-colored copper-clad micron conductive material.
2. the optical filter that electro-magnetic screen function is arranged as claimed in claim 1 is characterized in that being compounded with one deck and prevents to conduct electricity the bond layer or the resin protective layer of coatings oxidation and/or chlorination on the conduction coatings of optical filter.
3. the optical filter that electro-magnetic screen function is arranged as claimed in claim 1 is characterized in that being compounded with one deck bond layer or resin bed on the conduction coatings of optical filter, and this conduction coatings is in the face of watching face.
4. use the plasma display of the optical filter that electro-magnetic screen function is arranged, it is characterized in that plasma panel posts claim 1～3 a described optical filter.
5. plasma display as claimed in claim 4 is characterized in that the conduction coatings of optical filter is fitted in the face of display screen.
6. plasma display as claimed in claim 4, the conduction coatings that it is characterized in that optical filter is in the face of spectators' face and display screen applying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202986645U CN201732178U (en) | 2009-12-30 | 2009-12-30 | Optical filter with electromagnetic shielding function and displayer using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202986645U CN201732178U (en) | 2009-12-30 | 2009-12-30 | Optical filter with electromagnetic shielding function and displayer using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732178U true CN201732178U (en) | 2011-02-02 |
Family
ID=43523337
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202986645U Expired - Fee Related CN201732178U (en) | 2009-12-30 | 2009-12-30 | Optical filter with electromagnetic shielding function and displayer using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412705A (en) * | 2011-11-28 | 2012-04-11 | 黄柱联 | Alternating current-direct current (AC-DC) drive power supply device |
| CN110631712A (en) * | 2019-09-23 | 2019-12-31 | 深圳市华三探感科技有限公司 | Packaging method for infrared filter and tube cap of infrared sensor |
| CN112945446A (en) * | 2021-02-01 | 2021-06-11 | 西安交通大学 | High-light-transmission flexible manganin meter with electromagnetic shielding function |
-
2009
- 2009-12-30 CN CN2009202986645U patent/CN201732178U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412705A (en) * | 2011-11-28 | 2012-04-11 | 黄柱联 | Alternating current-direct current (AC-DC) drive power supply device |
| CN110631712A (en) * | 2019-09-23 | 2019-12-31 | 深圳市华三探感科技有限公司 | Packaging method for infrared filter and tube cap of infrared sensor |
| CN112945446A (en) * | 2021-02-01 | 2021-06-11 | 西安交通大学 | High-light-transmission flexible manganin meter with electromagnetic shielding function |
| CN112945446B (en) * | 2021-02-01 | 2023-10-24 | 西安交通大学 | High-light-transmission flexible manganin meter with electromagnetic shielding function |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20121230 |