CN104345940A - Transparent conductive film and lead electrodes thereof - Google Patents
Transparent conductive film and lead electrodes thereof Download PDFInfo
- Publication number
- CN104345940A CN104345940A CN201310328803.5A CN201310328803A CN104345940A CN 104345940 A CN104345940 A CN 104345940A CN 201310328803 A CN201310328803 A CN 201310328803A CN 104345940 A CN104345940 A CN 104345940A
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- CN
- China
- Prior art keywords
- lead
- wire electrode
- link
- electrode
- nesa coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
Abstract
The invention provides a transparent conductive film and lead electrodes of the transparent conductive film. The lead electrodes of the transparent conductive film are arranged on a transparent substrate or formed on a transparent polymer layer on the surface of the transparent substrate. Each lead electrode comprises connecting parts and a transmission part connected with the connecting parts. Each connecting part comprises a body and an extension portion, wherein the body extends outwardly to form the extension part. Due to the fact that connecting parts of the lead electrodes is provided with the extension portions, a test instrument can still perform accurate testing on the transparent conductive film when the transparent conductive film deflects. In addition, the transparent conductive film can be favorably prevented from being scratched due to the embedded lead electrodes and protective layers on the surfaces of the lead electrodes, and disengaging of conductive materials can also be prevented due to the mesh-shaped electrode structure. The transparent conductive film is good in conductivity, high in visible light transmittance, and wide in application range.
Description
Technical field
The present invention relates to conducting film field, particularly relate to a kind of nesa coating and lead-in wire electrode thereof.
Background technology
Nesa coating is a kind of film having satisfactory electrical conductivity and have high transmission rate at visible light wave range.Nesa coating mainly comprises metal film and oxide semiconductor film, and wherein metal film has gold, silver, copper, aluminium, chromium etc., and oxide semiconductor film has SnO
2, In
2o
3, ZnO, CdO, Cd
2snO
4deng.Current nesa coating has been widely used in the fields such as flat pannel display, photovoltaic device, contact panel and electromagnetic screen, has the extremely wide market space.
Touch-screen (touch screen) is also called touch screen, contact panel etc., is a kind of induction type liquid crystal indicator receiving the input signals such as contact, and wherein nesa coating is the sensing element receiving the input signals such as touch in touch-screen.Tin indium oxide (Indium Tin Oxides, ITO) is because having good transmitance and electric conductivity and being widely used as transparent conductive film, and it has become vital ingredient in touch-screen at present.Although the manufacturing technology develop rapidly of touch-screen, for projecting type capacitor screen, there is not too large change in the basic manufacturing process of ito film in recent years, always inevitably needs to carry out ITO plated film and ITO pattern.But indium is a kind of metal material of costliness, using ITO as the material of transparency conducting layer, the manufacturing cost of touch-screen can be promoted to a great extent; In addition, in the patterning process of ITO conducting film, need to be etched with whole the ito film of having plated to form ITO pattern, in this process, a large amount of ITO is etched away, and causes a large amount of noble metal wastes and pollutes.
In process for manufacturing touch panel, except above-mentioned ITO material generally use and the etching technics of ito film make cost of products high except, also there is the problem of following several respects: 1) conducting film there will be small skew in preparation process, but testing tool is normally tested according to the design size of product, therefore, when skew appears in conducting film, testing tool is difficult to realize the accurate test to conducting film; 2) conductive paste easily departs from being used for the groove of the base material forming touch screen wired electrodes; 3) conductive material easily breaks to form open circuit when polycondensation; 4) conductive material in nesa coating is usually convex, is easily scratched and causes conducting film to damage.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of lead-in wire electrode of nesa coating, the link of this lead-in wire electrode is provided with extension, thus is conducive to testing tool and still can tests accurately it when skew appears in described nesa coating.
The present invention also provides a kind of nesa coating and the touch-screen containing this nesa coating, the conductive material of described nesa coating is latticed conductive lead wire, not only good conductivity, visible light transmissivity are high, in addition the micro-groove be arranged on bottom substrate can also prevent conductive material from breaking to form open circuit, nesa coating excellent product performance, has wide range of applications.
In order to achieve the above object, one aspect of the present invention provides a kind of lead-in wire electrode of nesa coating, be located in transparent substrates or be formed in the transparent polymeric layer on transparent substrates surface, the transmission part that described lead-in wire electrode comprises link and is connected with described link, wherein said link comprises body and to be stretched out formed extension by described body.
Lead-in wire electrode in nesa coating of the present invention, for internal signal transmission is extremely outside, the touch signal that such as described lead-in wire electrode may be used for touch-screen to sense transfers to external drive circuit.The object that the present invention arranges described extension is to strengthen the size of described link, thus testing tool still can be tested it accurately when skew appears in described nesa coating.The size of the present invention to extension does not have strict restriction (namely not having strict restriction to the size of described link), as long as make the size of link be greater than the conventional coupling part of prior art size, can implement in technique and not affect nesa coating corresponding function, be all applicable to the present invention.In concrete scheme of the present invention, described extension formed by the described body 0.3 ~ 1mm that stretches out.
Particularly, described link comprise to be connected with the conductive electrode of described nesa coating in link and/or the outer connection component that is connected with external circuit.
In one embodiment of the present invention, described link is interior link, and it comprises interior link body and to be stretched out the extension that 0.3 ~ 0.5mm formed from the conductive electrode length direction of described nesa coating by described interior link body.In another embodiment of the present invention, described link is outer connection component, it comprises outer connection component body and stretches from its either side facing epitaxy the extension that 0.5 ~ 1mm formed by described outer connection component body, such as can stretch out along the length direction of described conductive electrode, also can stretch out along the Width of described conductive electrode.
In one embodiment of the invention, described transparent substrates or transparent polymeric layer are provided with latticed groove (mesh lines part forms the sunk part of groove), and described lead-in wire electrode is located at (that is, the electrode that goes between is positioned at mesh lines position) in described latticed groove.Wherein, the width of described latticed groove is 1 μm ~ 5 μm (i.e. the width of mesh lines), be highly 2 μm ~ 6 μm (i.e. the depth capacitys of mesh lines), and the ratio of height and the width is greater than 1.Further, the bottom of described latticed groove is provided with the micro-groove that the degree of depth is 500nm ~ 1 μm, the cross section of described micro-groove can be in the shape of the letter V, W font, arc or waveform, and described micro-groove can prevent it from breaking to form open circuit when conductive material polycondensation.The grid of described latticed groove is regular grid or random grid, and wherein said regular grid is square net, rectangular node, rhombic-shaped grid or regular hexagonal cell.In another embodiment of the invention, described lead-in wire electrode can also be located at the surface of described transparent substrates or transparent polymeric layer, such as, can form described lead-in wire electrode by modes such as chemical wet etchings on the surface of described transparent substrates or transparent polymeric layer.
In one embodiment of the invention, described lead-in wire electrode is latticed (namely described link and described transmission part are latticed), and comprises cross one another conductive lead wire.Latticed lead-in wire electrode of the present invention can pass through to filled conductive material (conduction slurries) in described latticed groove, then sinter, form described cross one another conductive lead wire, the width of described conductive lead wire is consistent with the width of described latticed groove, be 1 μm ~ 5 μm, latticed lead-in wire electrode can prevent conductive material from departing from latticed groove.In the another kind of embodiment of invention, described lead-in wire electrode can also be strip, and wherein the width of strip lead-in wire electrode is 50 μm ~ 200 μm, is highly 5 μm ~ 10 μm.
Further, the material (i.e. described conductive material) of described lead-in wire electrode can be Cu, Ag, ITO, conducting polymer, Graphene etc., and described lead-in wire electrode can be formed by modes such as serigraphy, impression or inkjet printings.
For arrange the present invention go between the material of transparent substrates of electrode can such as, for thermoplastic, polycarbonate, polymethylmethacrylate or polyethylene terephthalate; Can be ultraviolet cured adhesive, impression glue or polycarbonate for arranging the go between material of transparent polymeric layer of electrode of the present invention.
The present invention also provides a kind of nesa coating, comprising:
Transparent substrates or surface are provided with the transparent substrates of transparent polymeric layer;
Be located at the conductive electrode in described transparent substrates or described transparent polymeric layer; And
Above-mentioned lead-in wire electrode, it is electrically connected with described conductive electrode.
In one embodiment of the invention, described transparent substrates or transparent polymeric layer are provided with latticed groove, and described conductive electrode and lead-in wire electrode are located in described latticed groove, described conductive electrode and lead-in wire electrode can be made by one-shot forming, and the described conductive electrode that wherein multiple mutually insulated and parallel interval are arranged forms the conductive layer of described nesa coating.
Further, the width of described latticed groove is 1 μm ~ 5 μm, and be highly 2 μm ~ 6 μm, the ratio of height and the width is greater than 1, the bottom of described latticed groove is provided with the micro-groove that the degree of depth is 500nm ~ 1 μm, and described conductive electrode and described lead-in wire electrode are latticed; The visible light transmissivity of described nesa coating is not less than 86%.
Further; described nesa coating also comprises the protective clear layer being located at described conductive electrode and described lead-in wire electrode surface; be not scratched for the protection of lead-in wire electrode or be oxidized, preventing conducting film to be destroyed, the material of described protective clear layer is ultraviolet cured adhesive, impression glue or polycarbonate.
The present invention also provides a kind of touch-screen, comprises above-mentioned nesa coating; Described touch-screen also comprises the parts of some other necessity, as face glass, display module etc., is conventional annexation between nesa coating and other parts.
The enforcement of the present invention program, at least has following advantage:
1, the link of lead-in wire electrode of the present invention is provided with extension, thus is conducive to testing tool and still can tests accurately it when skew appears in described nesa coating.
2, go between in nesa coating of the present invention electrode and conductive electrode is embedded design, and is also covered with protective clear layer thereon, thus is conducive to guard electrode and is not scratched or is oxidized, and prevents conducting film to be destroyed.
3, in nesa coating of the present invention, lead electrode and lead-in wire electrode are fenestral fabric, thus are conducive to preventing conductive material from departing from from groove.
4, nesa coating good conductivity of the present invention, visible light transmissivity are high, and the micro-groove be located in addition bottom substrate can also prevent conductive material from breaking to form open circuit when polycondensation effectively, thus promote the performance of nesa coating product further.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the conductive electrode of an embodiment;
Fig. 2 is the cross-sectional view of the conductive electrode of another embodiment;
Fig. 3 is the cross-sectional view of the lead-in wire electrode of an embodiment;
Fig. 4 is the cross-sectional view of the lead-in wire electrode of another embodiment;
Fig. 5 is a kind of planar structure schematic diagram of nesa coating of prior art;
Fig. 6 is the planar structure schematic diagram of the nesa coating of another kind of prior art;
Fig. 7 is a kind of planar structure schematic diagram of nesa coating of prior art;
Fig. 8 is the planar structure schematic diagram of the nesa coating of another kind of prior art;
Fig. 9 a-d is the structural representation of the latticed recess mesh of an embodiment; Wherein: Fig. 9 a is square net; Fig. 9 b is rhombic-shaped grid; Fig. 9 c is regular hexagonal cell; Fig. 9 d is random grid;
Figure 10 is the cross-sectional view of the latticed bottom portion of groove micro-groove of an embodiment.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1, Fig. 3, Fig. 4, the nesa coating of one embodiment of the present invention, comprise transparent substrates 1, transparent polymeric layer 2, conductive electrode 3 and lead-in wire electrode 4, wherein transparent polymeric layer 2 is located at transparent substrates 1 surface, conductive electrode 3 and lead-in wire electrode 4 are located in transparent polymeric layer 2, and electrical connection between conductive electrode 3 and lead-in wire electrode 4.
As shown in Figure 2, the nesa coating of another embodiment of the present invention, comprise transparent substrates 1, conductive electrode 3 and lead-in wire electrode 4(not shown), wherein conductive electrode 3 and lead-in wire electrode 4 are located in transparent substrates 1, and electrical connection between conductive electrode 3 and lead-in wire electrode 4.
Wherein, the material of transparent substrates 1 is thermoplastic, as polycarbonate (PC), polymethylmethacrylate (PMMA) or polyethylene terephthalate (PET); The material of transparent polymeric layer 2 is ultraviolet cured adhesive, impression glue or polycarbonate, and it can be formed at transparent substrates 1 surface by the mode such as blade coating, spraying.
Below explanation is the scheme for Fig. 3, but is appreciated that they are equally applicable in the scheme shown in Fig. 2.
As shown in Figure 3, in one embodiment of the present invention, latticed groove can be provided with in transparent polymeric layer 2, wherein mesh lines part forms the sunk part of groove, and conductive electrode 3 and lead-in wire electrode 4 are located in described latticed groove, that is, make lead-in wire electrode be positioned on mesh lines position.Wherein, the width (i.e. the width of mesh lines) of described latticed groove is 1 μm ~ 5 μm, be highly 2 μm ~ 6 μm (i.e. depth capacity), and the ratio of height and the width is greater than 1, and the grid of described latticed groove can be regular grid (as Fig. 9 a-c) or random grid (as Fig. 9 d), wherein said regular grid can be square net (as Fig. 9 a), rectangular node, rhombic-shaped grid (as Fig. 9 b) or regular hexagonal cell (as Fig. 9 c).In addition, as shown in Figure 10, be provided with the micro-groove that the degree of depth is 500nm ~ 1 μm in the bottom of described latticed groove, and the cross section of described micro-groove is in the shape of the letter V, W font, arc or waveform.
In one embodiment of the present invention, conductive electrode 3 and lead-in wire electrode 4 are latticed, it can be obtained by following manner one-shot forming: 1) in transparent polymeric layer 2, graphical described latticed groove (now comprises conductive electrode patterns and lead-in wire electrode pattern, as shown in Figure 7, Figure 8), particularly micro-groove is formed on the bottom of described latticed groove, the contraction of conductive material when dry solidification can be reduced, thus prevent conductive material from rupturing and forming open circuit; 2) modes such as blade coating filled conductive material (as silver ink) in described latticed groove is utilized, then sinter, thus in latticed groove, form described latticed conductive electrode and lead-in wire electrode, latticed structure is conducive to preventing conductive material from departing from from latticed groove, and wherein adopted conductive material can be Cu, Ag, ITO, conducting polymer, Graphene etc.
As shown in Figure 4, in another embodiment of the present invention, can also in transparent polymeric layer 2 graphical described latticed groove (now only comprising conductive electrode patterns), and in described latticed groove, form conductive electrode 3 according to the method described above, then protruding latticed or strip lead-in wire electrode 4 is formed by methods such as chemical wet etchings on the surface of transparent polymeric layer 2, wherein lead-in wire electrode 4 and the position relationship of conductive electrode 3 are as Fig. 7, shown in Fig. 8, and described latticed lead-in wire electrode comprises cross one another conductive lead wire, the width of described strip lead-in wire electrode is 50 μm ~ 200 μm, it is highly 5 μm ~ 10 μm.Described chemical wet etching specifically can comprise: be coated with conductive photoreceptor material on the surface of the transparent polymeric layer 2 forming conductive electrode 3, then carry out exposure-processed by shadow shield, through etching, form described lead-in wire electrode 4.
Fig. 5 and Fig. 6 is the planar structure schematic diagram of the nesa coating of prior art.As shown in Figure 5, Figure 6, the electrode that goes between in prior art is electrically connected (Fig. 5) with the conductive electrode of nesa coating and external circuit respectively by means of only its two ends; Or be electrically connected (Fig. 6) with the conductive electrode of nesa coating and external circuit respectively by being located at link and outer connection component in lead-in wire electrode two ends, but the size of interior link of the prior art and outer connection component less (as interior link is approximately 0.5mm along the width in conductive electrode direction), because nesa coating there will be small skew in preparation process, testing tool is normally tested according to the design size of conducting film product, therefore, when skew appears in conducting film, testing tool is difficult to realize the accurate test to conducting film.
Fig. 7 and Fig. 8 is the planar structure schematic diagram of nesa coating of the present invention.As shown in Figure 7, Figure 8, nesa coating of the present invention has multiple parallel and conductive electrode 3 of spaced setting, mutually insulated between conductive electrode 3, thus forms the conductive layer of nesa coating.
As shown in Figure 7, in one embodiment of the present invention, lead-in wire electrode 4 comprise interior link 41, outer connection component 43 with and is connected the transmission part 42 of interior link 41 and outer connection component 43, wherein interior link 41 comprises interior link body 45 and extension 44, described extension 44 formed from the conductive electrode length direction of the described nesa coating 0.3 ~ 0.5mm that stretches out by described interior link body 45, and now described interior link 41 is approximately 0.8 ~ 1mm along the width of conductive electrode length direction.
As shown in Figure 8, in another embodiment of the present invention, lead-in wire electrode 4 comprise interior link 41, outer connection component 43 with and is connected the transmission part 42 of interior link 41 and outer connection component 43, wherein outer connection component 43 comprises interior link body 46 and extension 44, and described extension 44 formed from the conductive electrode length direction of the described nesa coating 0.5 ~ 1mm that stretches out.In addition, described extension 44 can also be formed from the conductive electrode Width of the described nesa coating 0.5 ~ 1mm that stretches out.
Be understandable that, the go between interior link 41 of electrode 4 and outer connection component 43 of the present invention can have described extension 44 simultaneously.Extension 44 set by the present invention for adding the size of imperial palace link and/or outer connection component, thus is conducive to testing tool and still can tests accurately it when skew appears in described nesa coating.
In one embodiment of the invention; protective clear layer 5(can also be provided with as shown in Figure 3) in the transparent polymeric layer 2 forming conductive electrode 3 and lead-in wire electrode 4; be not scratched for the protection of electrode or be oxidized; prevent conducting film to be destroyed, the material of wherein said protective clear layer can be ultraviolet cured adhesive, impression glue or polycarbonate.
The visible light transmissivity of above-mentioned nesa coating is not less than 86%.Particularly, by above-mentioned nesa coating and face glass, show the general components such as module and carry out assembling/being connected, can touch-screen be obtained.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (15)
1. the lead-in wire electrode of a nesa coating, be located in transparent substrates or be formed in the transparent polymeric layer on transparent substrates surface, it is characterized in that, the transmission part that described lead-in wire electrode comprises link and is connected with described link, wherein said link comprises body and to be stretched out formed extension by described body.
2. lead-in wire electrode according to claim 1, is characterized in that, described extension formed by the described body 0.3 ~ 1mm that stretches out.
3. lead-in wire electrode according to claim 1, is characterized in that, described link comprise to be connected with the conductive electrode of described nesa coating in link and/or the outer connection component that is connected with external circuit.
4. lead-in wire electrode according to claim 3, it is characterized in that, described link is interior link, and it comprises interior link body and to be stretched out the extension that 0.3 ~ 0.5mm formed from the conductive electrode length direction of described nesa coating by described interior link body.
5. lead-in wire electrode according to claim 3, is characterized in that, described link is outer connection component, and it comprises outer connection component body and stretches from its either side facing epitaxy the extension that 0.5 ~ 1mm formed by described outer connection component body.
6., according to described lead-in wire electrode arbitrary in claim 1-5, it is characterized in that, described transparent substrates or transparent polymeric layer are provided with latticed groove, and described lead-in wire electrode is located in described latticed groove.
7. lead-in wire electrode according to claim 6, is characterized in that, the width of described latticed groove is 1 μm ~ 5 μm, be highly 2 μm ~ 6 μm, and the ratio of height and the width is greater than 1.
8. lead-in wire electrode according to claim 6, is characterized in that, the bottom of described latticed groove is provided with the micro-groove that the degree of depth is 500nm ~ 1 μm, and the cross section of described micro-groove is in the shape of the letter V, W font, arc or waveform.
9. lead-in wire electrode according to claim 6, is characterized in that, the grid of described latticed groove is regular grid or random grid, and wherein said regular grid is square net, rectangular node, rhombic-shaped grid or regular hexagonal cell.
10. according to described lead-in wire electrode arbitrary in claim 1-5, it is characterized in that, described lead-in wire electrode is located at described transparent substrates or transparent polymeric layer surface.
11. according to described lead-in wire electrode arbitrary in claim 1-5, it is characterized in that, described lead-in wire electrode is latticed or strip, and wherein said latticed lead-in wire electrode comprises cross one another conductive lead wire, the width of described strip lead-in wire electrode is 50 μm ~ 200 μm, is highly 5 μm ~ 10 μm.
12. according to described lead-in wire electrode arbitrary in claim 1-5, and it is characterized in that, the material of described transparent substrates is thermoplastic, and described thermoplastic is polycarbonate, polymethylmethacrylate or polyethylene terephthalate; The material of described transparent polymeric layer is ultraviolet cured adhesive, impression glue or polycarbonate.
13. 1 kinds of nesa coatings, is characterized in that, comprising:
Transparent substrates or surface are provided with the transparent substrates of transparent polymeric layer;
Be located at the conductive electrode in described transparent substrates or described transparent polymeric layer; And
Arbitrary described lead-in wire electrode in claim 1-5, it is electrically connected with described conductive electrode.
14. nesa coatings according to claim 13, is characterized in that, also comprise the protective clear layer being located at described conductive electrode and described lead-in wire electrode surface, and the material of described protective clear layer is ultraviolet cured adhesive, impression glue or polycarbonate.
15. 1 kinds of touch-screens, is characterized in that, comprise nesa coating according to claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328803.5A CN104345940A (en) | 2013-07-31 | 2013-07-31 | Transparent conductive film and lead electrodes thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328803.5A CN104345940A (en) | 2013-07-31 | 2013-07-31 | Transparent conductive film and lead electrodes thereof |
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| CN104345940A true CN104345940A (en) | 2015-02-11 |
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| CN201310328803.5A Pending CN104345940A (en) | 2013-07-31 | 2013-07-31 | Transparent conductive film and lead electrodes thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106771413A (en) * | 2016-11-10 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of touch-screen conducting film and method of testing |
| CN107369491A (en) * | 2016-05-13 | 2017-11-21 | 昇印光电（昆山）股份有限公司 | A kind of conducting film and preparation method |
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| CN113066604A (en) * | 2016-05-13 | 2021-07-02 | 昇印光电（昆山）股份有限公司 | Conductive film and preparation method thereof |
| CN106771413A (en) * | 2016-11-10 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of touch-screen conducting film and method of testing |
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Application publication date: 20150211 |