CN1879253A - Antenna pattern and electromagnetic wave energy processing device having the same - Google Patents
Antenna pattern and electromagnetic wave energy processing device having the same Download PDFInfo
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- CN1879253A CN1879253A CN 200480033247 CN200480033247A CN1879253A CN 1879253 A CN1879253 A CN 1879253A CN 200480033247 CN200480033247 CN 200480033247 CN 200480033247 A CN200480033247 A CN 200480033247A CN 1879253 A CN1879253 A CN 1879253A
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Abstract
An antenna pattern having a broad band characteristic as to frequencies and having a wide directivity, and an electromagnetic wave energy processing device having the antenna pattern, particularly a sheet-like antenna or electromagnetic wave shielding filter. A conductor wire forming the antenna pattern comprises an aggregated wire consisting of mesh or continuously polygonal micro-image element lines or parallel element lines. The element lines are 5-300 mum in line width and 5-1, 000 mum in line pitch interval, or the most preferably 5-30 mum in line width and 5-150 mum in line pitch interval. The element lines are printed with printing ink or paste material mixed with conductive powder. In accordance with necessity, pressure treatment or polishing treatment and/or conductive plating with aid of eletroless plating or directly without aid of eletroless plating are performed on the printed surface.
Description
Technical field
The present invention relates to a kind of antenna pattern (antenna pattern) that in television set or portable phone etc., uses and antenna, the electromagnetic wave shielding filter of the electromagnetic wave energy processing device with it, particularly sheet.
Background technology
With popularizing of television set or portable phone, the form of its antenna also presents varied.
But the definition of its display device images may not necessarily be met.Therefore, crave for the image definition of display unit more and more strongly.In addition, receive frequency also to VHF ultrashort wave or the more high frequency development of UHF microwave, therefore, also will design with great concentration the antenna corresponding with it.(reference example such as patent documentation 1)
In addition, as the antenna that is used for on-vehicle display, in the antenna pattern of the rear part glass face that is arranged at automobile, also carrying out various designs.(reference example such as patent documentation 2)
In addition, on the other hand, the influence of human body is become serious social concern from the electromagnetic wave of electronic equipment classes such as various electromagnetic wave generating sources, particularly portable phone transmission.
Patent documentation 1: the Japan Patent spy opens the 2000-4120 communique
Patent documentation 2: the Japan Patent spy opens the 2000-252732 communique
As mentioned above, as the market demand, the trend of seeking distinct image more strengthens, and strong request does not change the strategy that the image of antenna pattern in the past obtains picture rich in detail basically, and wherein antenna pattern accumulates real achievement basically and sets in the past.
In addition, also produced to electromagnetic wave shielding filter more be imbued with many directive property, the better requirement of efficient.
Summary of the invention
The present invention can tackle these requirements, its purpose is to provide a kind of and is used for not changing basically in the past that the image of antenna pattern just can obtain the antenna pattern of display device images more clearly, antenna, the electromagnetic wave shielding filter of the electromagnetic wave energy processing device that has used this antenna pattern, particularly sheet also are provided in addition.
For antenna pattern of the present invention,
1) a kind of antenna pattern constitutes the lead of reading antenna pattern and is made of the assembly line of mesh-shape or continuous polygonal microimage unit wires (element line) or the assembly line of Parallel Unit line.
2) above-mentioned 1) in, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are made: its live width is 5～300 μ m, distance between centers of tracks (line pitchinterval) at interval is 5～1000 μ m.
3) above-mentioned 1) in, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are made: its live width is 5～50 μ m, and distance between centers of tracks is spaced apart 5～500 μ m.
4) above-mentioned 1) in, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are made: its live width is 5～30 μ m, and distance between centers of tracks is spaced apart 5～150 μ m.
5) above-mentioned 1) in, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are made: its live width is 30～300 μ m, and distance between centers of tracks is spaced apart 50～1000 μ m.
In addition, in the antenna pattern of the present invention,
6) above-mentioned 1) to 5) in each, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line utilize print process or etching mode and are made into.
7) above-mentioned 1) to 5) in each, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder.
8) above-mentioned 1) to 5) in each, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, also to this printing surface via or do not implemented conductivity plating (conductive plating) via plated by electroless plating (electroless plating).
9) above-mentioned 1) to 5) in each, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, also this printing surface have been implemented pressurized treatments or polishing.
10) above-mentioned 1) to 5) in each, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, also this printing surface is implemented pressurized treatments or polishing, in addition also to this printing surface via or do not implemented the conductivity plating via plated by electroless plating.
11) above-mentioned 7) to 9) in each, the average particulate diameter of above-mentioned conductivity powder is 0.001～10 μ m, is to select in Cu, Ti, Fe, Ni, Mg, Pd, Ag, Au or C or their each alloy.
12) above-mentioned 1) to 5) in each, above-mentioned lead with non-crystaline amorphous metal as structural element.
And then, in the electromagnetic wave energy processing device of the present invention,
13) have above-mentioned 1) to 12) each described antenna pattern.
14) with above-mentioned 1) to 12) each described antenna pattern be arranged on that thin slice (sheet) is gone up or thin plate on.
15) above-mentioned 1) to 12) each described antenna pattern is arranged on the thin slice or on the thin plate, also lamination (laminate) coating or thin thin slice thereon.
16) make have above-mentioned 1) to 12) antenna of each described antenna pattern.
17) make have above-mentioned 1) to 12) electromagnetic wave shielding filter of each described antenna pattern.
The present invention constitutes by the lead that will be in the past constitutes with single line assembly line or the Parallel Unit line with mesh-shape or continuous polygonal microimage unit wires, thereby compare with plain conductor, the directive property of lead self improves on many sensings ability, can utilize the effective length of lead to give broadband in addition, can also obtain effect in addition as noise filter.
Therefore, do not change the antenna pattern of using single line in the past to constitute and just can improve its performance.
In addition, improve, so can seek in the past the dwindling or the simplification of pattern image of antenna self by using the lead that constitutes by assembly line of the present invention or Parallel Unit line because can expect performance.
Constitute the lead of forming antenna pattern of the present invention by assembly line or Parallel Unit line with mesh-shape or continuous polygonal microimage unit wires, just can corresponding wide band frequency, can also improve directive property, thereby utilize effect, can obtain the more distinct image of display unit as noise filter.Thus, can provide such antenna, that is, can be abundant corresponding UHF television broadcasting frequency band and VHF television broadcasting frequency band, and with compared in the past, can expect clear and stable image.
In addition, can also be applied as the filter of electromagnetic wave shielding efficiently that is imbued with many directive property.
Description of drawings
Fig. 1 is the reference diagram of the antenna pattern of expression embodiments of the invention 1.
Fig. 2 is the amplification reference diagram of the A part among Fig. 1, represents that 1 routine assembly line comprises the situation of superfine mesh-shape microimage unit wires.
Fig. 3 is the amplification reference diagram of the A part in the embodiments of the invention 2, represents that 1 routine assembly line comprises the situation of superfine continuous polygon microimage unit wires.
Fig. 4 is the amplification reference diagram of the A part in the embodiments of the invention 3, represents that 1 routine assembly line is the situation of superfine parallel assembly line.
Fig. 5 is the reference diagram of the antenna pattern in the expression embodiments of the invention 5.
Symbol description
1 antenna pattern
2 leads
3 mesh-shape microimage unit wires
4 continuous polygon microimage unit wires
5 superfine parallel assembly lines
6 common electrodes
61 coils
The t conductor width
The p wire pitch
The L conductor length
Embodiment
Antenna pattern of the present invention mainly is the antenna pattern that is used for the antenna on the plane of home-use or automobile mounted usefulness, it is characterized in that, for the plain conductor of making by photoetching process (hereinafter referred to as the etching mode) etc., make by plating Cu etc. in the past, further by mesh-shape or the assembly line or the Parallel Unit line of the microimage unit wires of polygon constitute its lead itself continuously.
That is, the invention is characterized in that the microimage unit wires constitutes lead as the mesh-shape image of groined type or the assembly line of continuous polygonal, preferred polygonal consecutive image or the formation of Parallel Unit line.
The Parallel Unit line is not limited to the Parallel Unit line of straight line, also can be made of parallel circular-arc curve or wavy curve, parallel zigzag continuous warpage straight line etc.
By such formation, thereby also can expect by the length of antenna pattern decision with as the length of assembly line as the physical length of antenna or electromagnetic wave shielding, can be corresponding with wide band frequency f (wavelength X), and have many directive property.
Above-mentioned microimage unit wires or Parallel Unit line can be by print processes, mainly be that silk screen print method, stamped method, woodburytype, ink jet printing method etc. are made.And, this is to be printed by synthetic ink or conductive paste that electroconductive powder is mixed in the printing-ink, for the characteristic of the style of the lead that is constituted, printing process, the electroconductive powder that contained or mixed proportion, printing process itself and after the variation etc. of operation, must select fully corresponding respectively.
Certainly, the present invention does not hinder by present highly developed lithographic method and makes above-mentioned microimage unit wires or Parallel Unit line, and constitutes lead as assembly line.Compare with print process this moment, and it is unfavorable to be on cost.
Being blended into conductivity powder in the above-mentioned synthetic ink and being from average particulate diameter is to select in Cu, Ti, Fe, Ni, Mg, Pd, Ag, Au or the C of 0.001～10 μ m or their each alloy.
If particle diameter is below the 0.001 μ m, then make difficulty, cost increases, if in addition more than the 10 μ m, the printing of the superfine wire that is undertaken by the synthetic ink difficulty that becomes then.In addition,, then whatsoever can utilize as long as the conductivity powder has conductivity preferably, but preferably on the cost, the material that averages out on the performance.Pd powder more preferably.
At the width t of the unit wires of lead is under the bigger situation such as 30～300 μ m, can use silk screen print method or woodburytype, at this moment, uses conductive paste etc. as printing ink.As this conductive paste, can use the ultra-micro powder of having sneaked into Ag or Cu, polyester resin or epoxy resin matrix etc.By using average particulate diameter is ultra-micro powder about 0.5 μ m, thereby the surface area of every volume significantly increases, and obtains good electrical conductivity.
Usually, the length setting of antenna pattern is to receive 1/4 of electric wave wavelength usually.Therefore, for respective frequencies different electric wave, for example VHF
HTelevision broadcasting high frequency band, VHF
LTelevision broadcasting low-frequency band, FM broadcast receiver are broadcast band etc., must set with appropriate length separately.
The applicant finds: constitute antenna pattern by the aggregate by fine rule, just can tackle broadband.In addition, obtained the opinion that its performance changes significantly according to the structure condition of this aggregate.
From a plurality of experimental results as can be known, as the aggregate of preferred unit wires, preferred clathrate shape of a mesh or continuous polygonal microimage unit wires, continuous polygonal microimage for example.In addition,, also can use triangle, four jiaos, five jiaos, hexagonal and octangle etc., can use the continuous circular arc image beyond the polygonal in addition as continuous polygonal.
This microimage unit wires or the preferred live width of Parallel Unit line are that 5～300 μ m, distance between centers of tracks are spaced apart 5～1000 μ m.Better is that the expectation live width is 5～50 μ m, and distance between centers of tracks is spaced apart 5～500 μ m, and special expectation is made as 5～30 μ m with live width, and distance between centers of tracks is made as 5～150 μ m at interval.From the angle of cost and the angle of batch property, preferably form with silk screen print method or woodburytype, live width is made 30～300 μ m, distance between centers of tracks is made 50～1000 μ m at interval.But this moment, set density reduces, and just descends on performance accordingly.
Promptly, for the frequency that makes reception corresponding with broadband, the aggregate of preferred fine rule is more at the radical of longitudinal extension, in addition, because the receiving ability of electric wave is long-pending proportional with the reception surface of conductors, so live width and distance between centers of tracks draw the opinion of preferred above-mentioned condition at interval also from restricted from a plurality of experiments.
If live width is that then receiving ability sharply descends below the 5 μ m, if more than the 50 μ m, then the aggregate radical of fine rule is limited.In addition, if distance between centers of tracks is spaced apart more than the 500 μ m, then the image of lead becomes big, and aggregate radical limited degree is bigger, descends on performance.In addition, if distance between centers of tracks is spaced apart below the 5 μ m, then Yin Shua operation extreme difference is not preferred.
Fig. 1 is the figure of the antenna pattern of expression embodiments of the invention 1.
Fig. 2 is the amplification reference diagram of the A part among Fig. 1, represents that 1 routine assembly line comprises the situation of the mesh-shape microimage unit wires of grid shape.
In the drawings, the 1st, antenna pattern, the 2nd, lead, the 3rd, mesh-shape microimage unit wires.
The wide 2mm that is made as of the lead of the antenna pattern among the embodiment 1, Long Lines Department length is made as 39cm, short-term minister degree is made as 25cm, the interval of line-to-line is made as 3cm, above-mentioned lead is made the assembly line of clathrate mesh pattern, live width being made as 20 μ m, distance between centers of tracks is made as 100 μ m at interval, is that the synthetic ink of the Pd powder of 1 μ m prints by hectographic printing by sneaking into average particulate diameter.On printing surface, carry out the plating Cu that thickness is about 1 μ m by non-electrolysis.
In order to compare,, will make above-mentioned lead as one line rather than non-assembly line and the product 1 as a comparison of the antenna pattern after plating Cu by photolithographicallpatterned as the antenna pattern of same image.
With the above-mentioned TV antenna of making, the TV imagescope of selling as the market of domestic aerial and standard is connected, and comes the readability of image is compared by visual.
Consequently: in product 1 relatively, it is good to receive image as VHF, more or less worsens but UHF receives the definition of the image surface of image, can recognize image blurring.To this, confirmed no matter the antenna of present embodiment 1 is that VHF receives image or the UHF image can both obtain distinct image at each channel.
Fig. 3 is the amplification reference diagram of the A part in the embodiment of the invention 2, represents that 1 routine assembly line comprises the situation of the microimage unit wires of continuous polygon.
In the drawings, the 4th, the microimage unit wires of continuous polygon.
Antenna pattern among the embodiment 2 and embodiment 1 are same, lead is wide to be 2mm, Long Lines Department length is 39cm, short-term minister degree is 25cm, line-to-line be spaced apart 3cm, above-mentioned lead is made the assembly line of cancellate mesh pattern, live width is made as 20 μ m, the opposite side spacing of continuous polygon is made as 100 μ m, is that the synthetic ink of the Pd powder of 1 μ m prints by hectographic printing by sneaking into average particulate diameter.On printing surface, carry out the plating Cu that thickness is about 1 μ m by non-electrolysis.
In order to compare,, will make above-mentioned lead as one line rather than non-assembly line and the product 2 as a comparison of the antenna pattern after carrying out the thick plating Cu of 1 μ m by photolithographicallpatterned as the antenna pattern of same image.
Same with embodiment 1, with the above-mentioned TV antenna of making, the TV imagescope of selling as the market of domestic aerial and standard is connected, and comes the readability of image is compared by visual.
Consequently: in product relatively, it is good to receive image as VHF, though UHF receives image and compares with the relatively product 1 of embodiment 1 in addition, what are quite a lot of, but still can recognize image blurring.To this, confirmed no matter the antenna of present embodiment 2 is that VHF receives image or UHF reception image can both obtain fabulous and distinct image at each channel.
Fig. 4 is the amplification reference diagram of the A part in the embodiment of the invention 3, represents the situation of 1 routine assembly line for parallel assembly line.
In the drawings, the 5th, the parallel assembly line of straight line.
Antenna pattern among the embodiment 3 and embodiment 1 are same, and lead is wide to be 2mm, and Long Lines Department length is 39cm, and short-term minister degree is 25cm, line-to-line be spaced apart 3cm, above-mentioned lead is made parallel assembly line.Live width being made as 20 μ m, distance between centers of tracks is made as 100 μ m, is that the synthetic ink of the Pd powder of 1 μ m prints by hectographic printing by sneaking into average particulate diameter.On printing surface, carry out the plating Cu that thickness is about 1 μ m by non-electrolysis.
In order to compare,, will make above-mentioned lead as one line rather than non-assembly line and the product 3 as a comparison of the antenna pattern after carrying out the thick plating Cu of 1 μ m by photolithographicallpatterned as the antenna pattern of same image.
Same with embodiment 1, with the above-mentioned TV antenna of making, the TV imagescope of selling as the market of domestic aerial and standard is connected, and comes the readability of image is compared by visual.
Consequently: in product 3 relatively, it is good to receive image as VHF, compares with product 1,2 relatively but UHF receives image, can recognize image blurring.To this, the antenna of present embodiment 3 is that VHF receives image or UHF image in that to be equipped with channel all good, but with the situation of embodiment 1,2 relatively, can confirm some decline of image quality.
In the antenna pattern of embodiment 2, also the surface is carried out the painted coating of about 50 μ m of plastics, and receptivity is compared.Almost recognize to come out by the influence that painted coating brings.Thus, confirmed for above-mentioned painted coating surface, can print character etc. image, can use the flat plane antenna that forms by antenna pattern of the present invention as indoor decoration.
Embodiment 5
To make the wide t of lead as the antenna pattern of Fig. 5 is that 2mm, wire pitch p are that the length L of 10mm, lead is that 200mm, radical n are 10 pattern of parallel lines, and it is 60 ° continuously vertical rhombus assembly line that above-mentioned lead is made drift angle.In Fig. 1, the 1st, antenna pattern, the 2nd, lead, the 4th, the microimage unit wires, the 6th, common electrode, the 61st, coil, t are conductor widths, and p is a wire pitch, and L is a conductor length, and θ is a drift angle.
The microimage unit wires that constitutes this antenna pattern is made continuously vertical rhombus assembly line, carry out following making:, be that the synthetic ink of the Cu powder of 1 μ m carries out accurate hectographic printing by sneaking into average particulate diameter A) as live width being made as 20 μ m, distance between centers of tracks is made as the assembly line of the superfine wire of 100 μ m; B) as live width being made as 70 μ m, distance between centers of tracks is made as the assembly line of 500 μ m, be that the conductive paste of the Cu powder of 1 μ m prints by silk screen print method by having sneaked into average particulate diameter.Thus, by ASTM ES783 electromagnetic shielding effect is compared test.
Measurement result is: though measured value discrete also bigger under same frequency can not get the comparison undertaken by absolute value, it is poor to have a mind to infer existence as average shield effectiveness, and A shows about about 2 times shield effectiveness of B.B is about about 35dB.
As can be known, by the selection of antenna pattern, can expect electromagnetic shielding effect.
Though antenna pattern of the present invention in an embodiment as television antenna with being illustrated, but also go for the broadband of frequency, reception or transmitting antenna that mobile wireless, the radar that can be used as broadcast receiver, FM, taxi etc. used etc. use, in addition, can also use as various shielding electromagnetic waves devices.
Claims (17)
1. an antenna pattern is characterized in that, the lead that constitutes this antenna pattern is made of the assembly line of mesh-shape or continuous polygonal microimage unit wires or the assembly line of Parallel Unit line.
2. antenna pattern as claimed in claim 1 is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line, and its live width is 5～300 μ m, distance between centers of tracks is spaced apart 5～1000 μ m.
3. antenna pattern as claimed in claim 1 is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line, and its live width is 5～50 μ m, distance between centers of tracks is spaced apart 5～500 μ m.
4. antenna pattern as claimed in claim 1 is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line, and its live width is 5～30 μ m, distance between centers of tracks is spaced apart 5～150 μ m.
5. antenna pattern as claimed in claim 1 is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line, and its live width is 30～300 μ m, distance between centers of tracks is spaced apart 50～1000 μ m.
6. as each described antenna pattern of claim 1 to 5, it is characterized in that above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line utilize print process or etching mode and be made into.
7. as each described antenna pattern of claim 1 to 5, it is characterized in that above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder.
8. as each described antenna pattern of claim 1 to 5, it is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, also to this printing surface via or do not implemented the conductivity plating via plated by electroless plating.
9. as each described antenna pattern of claim 1 to 5, it is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, and the pressurized treatments of also having implemented regulation is or/and polishing.
10. as each described antenna pattern of claim 1 to 5, it is characterized in that, above-mentioned mesh-shape or continuous polygonal microimage unit wires or Parallel Unit line are to be printed by the printing-ink or the paste that have mixed the conductivity powder, also the pressurized treatments that this printing surface is implemented regulation is or/and polishing, in addition also to this printing surface via or do not implemented the conductivity plating via plated by electroless plating.
11., it is characterized in that the average particulate diameter of above-mentioned conductivity powder is 0.001～10 μ m as each described antenna pattern of claim 7 to 10, be in Cu, Ti, Fe, Ni, Mg, Pd, Ag, Au or C or their each alloy, to select.
12. as each described antenna pattern of claim 1 to 5, it is characterized in that, above-mentioned lead with non-crystaline amorphous metal as structural element.
13. an electromagnetic wave energy processing device is characterized in that, has aforesaid right requirement 1 to 12 each described antenna pattern.
14. the electromagnetic wave energy processing device of a sheet is characterized in that, requires 1 to 12 each described antenna pattern to be arranged on the thin slice aforesaid right or on the thin plate.
15. the electromagnetic wave energy processing device of a sheet is characterized in that, requires 1 to 12 each described antenna pattern to be arranged on the thin slice aforesaid right or on the thin plate, also lamination coating or thin thin slice thereon.
16., it is characterized in that this device is the antenna with aforesaid right requirement 1 to 12 each described antenna pattern as each described electromagnetic wave energy processing device of claim 13 to 15.
17., it is characterized in that this device is the electromagnetic wave shielding filter with aforesaid right requirement 1 to 12 each described antenna pattern as each described electromagnetic wave energy processing device of claim 13 to 15.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003382818 | 2003-11-12 | ||
| JP382818/2003 | 2003-11-12 | ||
| JP279044/2004 | 2004-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1879253A true CN1879253A (en) | 2006-12-13 |
Family
ID=37510797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480033247 Pending CN1879253A (en) | 2003-11-12 | 2004-10-20 | Antenna pattern and electromagnetic wave energy processing device having the same |
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| Country | Link |
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| CN (1) | CN1879253A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964446A (en) * | 2009-07-21 | 2011-02-02 | Lg电子株式会社 | Portable terminal |
| CN101820739B (en) * | 2008-12-31 | 2013-02-20 | 三星Sdi株式会社 | Method of manufacturing an electromagnetic wave shield for a plasma display panel and display panel for plasma display device |
| CN106245079A (en) * | 2015-06-03 | 2016-12-21 | 合谥实业股份有限公司 | Electroplating method of printing layer |
| CN109494042A (en) * | 2012-10-04 | 2019-03-19 | 株式会社东芝 | Magnetic piece and the display for using magnetic piece |
| CN114449812A (en) * | 2022-02-10 | 2022-05-06 | 曲面超精密光电(深圳)有限公司 | Vehicle-mounted screen with built-in low-orbit satellite communication antenna and manufacturing method thereof |
-
2004
- 2004-10-20 CN CN 200480033247 patent/CN1879253A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101820739B (en) * | 2008-12-31 | 2013-02-20 | 三星Sdi株式会社 | Method of manufacturing an electromagnetic wave shield for a plasma display panel and display panel for plasma display device |
| CN101964446A (en) * | 2009-07-21 | 2011-02-02 | Lg电子株式会社 | Portable terminal |
| US8548539B2 (en) | 2009-07-21 | 2013-10-01 | Lg Electronics Inc. | Casing for a portable terminal |
| CN109494042A (en) * | 2012-10-04 | 2019-03-19 | 株式会社东芝 | Magnetic piece and the display for using magnetic piece |
| CN109494042B (en) * | 2012-10-04 | 2021-03-12 | 株式会社东芝 | Magnetic sheet and display using the same |
| CN106245079A (en) * | 2015-06-03 | 2016-12-21 | 合谥实业股份有限公司 | Electroplating method of printing layer |
| CN114449812A (en) * | 2022-02-10 | 2022-05-06 | 曲面超精密光电(深圳)有限公司 | Vehicle-mounted screen with built-in low-orbit satellite communication antenna and manufacturing method thereof |
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Application publication date: 20061213 |