CN203422722U - Narrow-frame touch screen - Google Patents
Narrow-frame touch screen Download PDFInfo
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- CN203422722U CN203422722U CN201320463696.2U CN201320463696U CN203422722U CN 203422722 U CN203422722 U CN 203422722U CN 201320463696 U CN201320463696 U CN 201320463696U CN 203422722 U CN203422722 U CN 203422722U
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Abstract
The utility model provides a narrow-frame touch screen which comprises a substrate, a conducting layer and wire leading electrodes. The substrate comprises a touch area and a frame area, the conducting layer is arranged inside the touch area of the substrate, the wire leading electrodes comprise electrode wires and external binding posts and are arranged inside the frame area of the substrate, the electrode wires are electrically connected with the external binding posts, and the electrode wires are electrically connected with the edge of the gridding-shaped conducting layer. According to the narrow-frame touch screen, as internal binding posts are removed, the frame width can be reduced, and manufacturing materials can be saved.
Description
Technical field
The utility model embodiment relates to touch input technology, relates in particular to a kind of narrow-frame touch panel.
Background technology
Touch-screen is a kind of application external input device more and more widely, and it touches touch panel gently by finger or electronic pen just can realize input, makes man-machine interaction more direct, have simply, fast, the feature such as hommization.
Difference based on principle of work, the structure of touch-screen realization touch input has multiple, wherein, and the important component part that the nesa coating of laying in substrate is touch-screen, it is for realizing collection and the transmission of touch signal.In conventional touch-screen, often in substrate, be divided into visible Petting Area and sightless rim area.Nesa coating comprises the conductive layer that is positioned at visibility region and the lead-in wire electrode that is positioned at invisible area.Conductive layer is used for gathering touch action, produce the corresponding electric signal changing, lead-in wire electrode is connected with conductive layer, for the electrical signal conduction output that conductive layer is produced, generally may be output to the external control circuit that touch-screen connects and process, be converted to the information of input.
Be illustrated in figure 1 the structural representation of touch-screen in prior art.Typical touch-screen comprises substrate 10, conductive layer 20 and lead-in wire electrode.Conductive layer 20 is generally latticed figure, is laid in the latticed groove forming in substrate 10 Petting Areas 110.Lead-in wire pole layout is in the edge and rim area 120 of Petting Area 110.Wherein, lead-in wire electrode specifically can comprise internal wiring terminal 31, electrode wires 32 and outer terminal 33.As shown in Figure 1, internal wiring terminal 31 is laid in the edge of Petting Area 110, is connected with the conductive layer 20 in Petting Area 110.Internal wiring terminal 31 is connected with external control circuit with outer terminal 33 through electrode wires 32 again.For covering this part circuit of lead-in wire electrode, touch-screen need to increase wide, an opaque frame, to hide rim area 120 and internal wiring terminal 31.
But, be needs easy to use and attractive in appearance, present digital product is to narrow frame, and invisible area has very narrow width, and the demand of zero frame is more and more urgent even.Yet the design frame of above-mentioned prior art is wider, need more making raw material, and it is inconvenient, not attractive in appearance that digital product is used.
Utility model content
The utility model embodiment provides a kind of narrow-frame touch panel, to reduce the border width of touch-screen, reduces the material cost of frame lead-in wire electrode.
The utility model embodiment provides a kind of narrow-frame touch panel, comprises substrate, conductive layer and lead-in wire electrode, wherein:
Described substrate comprises Petting Area and rim area;
Described conductive layer is laid in the Petting Area of described substrate;
Described lead-in wire electrode comprises electrode wires and the outer terminal of electrical connection, is laid in the rim area of described substrate, and described electrode wires is connected with the edge electric of latticed conductive layer.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: the surface of described substrate offers latticed groove, described conductive layer is contained in described latticed groove.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: every described electrode wires is formed by cross one another latticed conductor wire silk, and the mesh-density of described electrode wires is greater than the mesh-density of described conductive layer.
In an embodiment of above-mentioned narrow-frame touch panel, preferably, also comprise:
The first connecting line, is connected between described conductive layer and electrode wires, and described the first connecting line is connected at the edge of described conductive layer and each mesh lines of conductive layer, and described the first connecting line is connected at the edge of described electrode wires and each mesh lines of electrode wires.
In an embodiment of above-mentioned narrow-frame touch panel, preferably, also comprise:
Transition section, described transition section is latticed circuit, is positioned at described rim area, is connected between described conductive layer and electrode wires, the mesh-density of described transition section is more than or equal to the mesh-density of described conductive layer.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: described transition section is connected between described conductive layer and described the first connecting line.
In an embodiment of above-mentioned narrow-frame touch panel, preferably, also comprise:
The second connecting line, is connected between described conductive layer and transition section, and described the second connecting line is connected at the edge of described conductive layer and each mesh lines of conductive layer, and described the second connecting line is connected at the edge of described transition section and each mesh lines of transition section.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: the length of described the second connecting line is greater than the width of described transition section.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: the end of the mesh lines of described conductive layer contacts and is connected with the end of the mesh lines of described electrode wires.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: the rim area of described substrate is formed with latticed groove, described latticed electrode wires is contained in the latticed groove of rim area.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: described latticed electrode wires is convexly set in described substrate rim area.
In an embodiment of above-mentioned narrow-frame touch panel, preferably, also comprise:
Hypothallus, is arranged at the surface of described substrate, and described conductive layer and lead-in wire electrode are formed on described hypothallus.
In an embodiment of above-mentioned narrow-frame touch panel, preferably: the grid of the grid of described conductive layer, the grid of described electrode wires and/or described transition section is regular shape or randomly shaped.
The narrow-frame touch panel that each embodiment of the utility model provides, can reduce border width by saving internal wiring terminal, saves and prepares material.Meanwhile, can further adopt connecting line or node mode to connect latticed conductive layer and electrode wires, thereby make the electric conductivity of touch-screen better, touch sensible is sensitiveer.
Accompanying drawing explanation
Figure 1 shows that the structural representation of typical touch screen in prior art;
The structural representation of the narrow-frame touch panel that Fig. 2 provides for the utility model embodiment mono-;
The partial structurtes schematic diagram of the narrow-frame touch panel that Fig. 3 provides for the utility model embodiment bis-;
The partial structurtes schematic diagram of the narrow-frame touch panel that Fig. 4 provides for the utility model embodiment tri-;
The structural representation of the narrow-frame touch panel that Fig. 5 provides for the utility model embodiment tetra-;
The lateral cross section cut-open view of the narrow-frame touch panel that Fig. 6 provides for the utility model embodiment five;
The lateral cross section cut-open view of the narrow-frame touch panel that Fig. 7 provides for the utility model embodiment six;
Network schematic diagram in the narrow-frame touch panel that Fig. 8 provides for the utility model one embodiment;
Network schematic diagram in the narrow-frame touch panel that Fig. 9 provides for another embodiment of the utility model.
Embodiment
Embodiment mono-
The structural representation of the narrow-frame touch panel that Fig. 2 provides for the utility model embodiment mono-.The narrow-frame touch panel of the present embodiment comprises substrate 10, conductive layer 20 and lead-in wire electrode.On the surface of substrate 10, can be divided into visible Petting Area 110 and sightless rim area 120, described conductive layer 20 is laid in the Petting Area 110 of substrate 10.The touch-screen of the present embodiment improves and is, described lead-in wire electrode comprises electrode wires 32 and the outer terminal 33 of electrical connection, is laid in the rim area 120 of described substrate 10, and described electrode wires 32 is connected with the edge electric of latticed conductive layer 20.
The narrow-frame touch panel that the present embodiment provides, the pattern of conductive layer 20 can be set to many rows, multiple row as required, and the conductive layer 20 of each pattern need to connect respectively corresponding electrode wires 32, to realize electric signal transmission.Electrode wires 32 and the outer terminal 33 of lead-in wire electrode are arranged on rim area 120, and electrode wires 32 is connected with external control circuit through outer terminal 33, thereby realizes transmission and the identification of touch sensible electric signal.
The utility model embodiment is by being directly connected the electrode wires 32 in lead-in wire electrode with conductive layer 20, and saved the internal wiring terminal 31 of sheet, thereby can save for covering the frame of internal wiring terminal 31 with respect to prior art, conductive layer 20 can be covered to the region at former internal wiring terminal 31 places, reduce the width of frame, thereby realized narrow frame in terms of existing technologies.Meanwhile, save internal wiring terminal 31, can also reduce and prepare material, reduced cost of products.
The present embodiment adopts the technical scheme of saving internal wiring terminal 31, has overcome certain technical difficulty and prejudice.Conventionally, the conductive layer 20 of touch-screen need to form certain pattern, to detect the change in electric of conductive layer 20 while touching, and then identification touch location.For example, in Fig. 2, exemplary demonstrate horizontal rectangular conductive layer 20 pattern, certainly, the shape of conductive layer 20 can be also other figures.In practical application, in order to improve accuracy of identification, conductive layer 20 is intensive laying often, and need to conduct a plurality of electric signal.Therefore each electric signal all needs electrode wires 32 independently to conduct output, and often density is very high and live width is superfine to be laid in electrode wires 32 in side rim area 120.The feature of above-mentioned touch-screen causes prior art that the internal wiring terminal 31 of sheet is usually set in electrode wires 32 and corresponding conductive layer 20 junctions.The width of internal wiring terminal 31 of the prior art is generally 0.3-1mm, the utility model embodiment breaks through this routine techniques, the direct replacement internal wiring terminal 31 that is connected with electrode wires 32 with conductive layer 20, therefore the width of frame can be reduced by least to 0.3-1mm, not only saved the material of frame, can also reduce the width broadening, thereby realize narrow frame.
The applied touch-screen of the utility model embodiment, the surface that is particularly useful for described substrate offers latticed groove, and described conductive layer is contained in the product in described latticed groove.Can adopt imprint process in substrate, to form latticed groove, then in latticed groove, fill transparent conductive material, to form the pattern of conductive layer.
In the technical scheme of above-mentioned narrow-frame touch panel, preferably every described electrode wires 32 is formed by cross one another latticed conductor wire silk, and the mesh-density of described electrode wires 32 is greater than the mesh-density of described conductive layer 20.
Adopt latticed electrode wires, can save better and prepare material, and latticed electrode wires also there is certain transmittance, at filament, carefully to a certain extent time, even can, without blocking rim area, form the touch-screen of Rimless.
On the basis of above-mentioned narrow-frame touch panel, can be optimized by multiple means, with reliable electrical connection the between intensifier electrode line and conductive layer, below by each embodiment, introduce in detail.
Embodiment bis-
The partial structurtes schematic diagram of the narrow-frame touch panel that Fig. 3 provides for the utility model embodiment bis-, the present embodiment be take above-described embodiment one as basis, further comprise the first connecting line 34, be connected between described conductive layer 20 and electrode wires 32, described the first connecting line 34 is connected at the edge of described conductive layer 20 and each mesh lines of conductive layer 20, and described the first connecting line 34 is connected at the edge of described electrode wires 32 and each mesh lines of electrode wires 32.
The present embodiment, so that the form of connecting line to be set, guarantees that at two grid edges the silk thread of each grid all can be communicated to the first connecting line 34, thereby the multiple spot of realizing between latticed conductive layer 20 and electrode wires 32 is electrically connected to, and improves electric conductivity.
Can adopt the groove of offering preset shape and position in substrate 10 by impression, and filled conductive material forms the first connecting line 34 in groove.As shown in Figure 3, the first connecting line 34 can equate with the width of each electrode wires 32, with minimal material, guarantees the electric connection between the first connecting line 34 and conductive layer 20.
Embodiment tri-
The partial structurtes schematic diagram of the narrow-frame touch panel that Fig. 4 provides for the utility model embodiment tri-, the present embodiment be take above-described embodiment one as basis, further also be provided with transition section 35, described transition section 35 is latticed circuit, be positioned at described rim area 120, be connected between described conductive layer 20 and electrode wires 32, the mesh-density of described transition section 35 is more than or equal to the mesh-density of described conductive layer 20.
The mesh-density of transition section 35 can connect to realize for gradual change between conductive layer 20 and the mesh-density of electrode wires 32.Or, in order to reduce preparation technology's complexity, one or more transition sections 35 that connect successively can be set, the mesh-density of each transition section 35 is constant, but the mesh-density gradual change of a plurality of transition section 35.Transition section 35 can form by fill-net trellis groove, also can be by being formed in substrate 10 as the composition techniques such as serigraphy or inkjet printing are convexly equipped with.
On the basis of above-described embodiment, described transition section 35 can also preferably be connected between described conductive layer 20 and described the first connecting line 34.
In addition, this narrow-frame touch panel can also comprise the second connecting line 36, be connected between described conductive layer 20 and transition section 35, described the second connecting line 36 is connected at the edge of described conductive layer 20 and each mesh lines of conductive layer 20, and described the second connecting line 36 is connected at the edge of described transition section 35 and each mesh lines of transition section 35.
Preferably, the length of described the second connecting line 36 is greater than the width of described transition section 35.This scheme can more converge the mesh lines of conductive layer 20 to be connected on the second connecting line 36, strengthens on the one hand and is electrically connected to intensity, improves the electrical connection intensity of touch-screen, on the other hand can be so that being evenly distributed of electrical transmission, and touch recognition is sensitiveer.
Embodiment tetra-
The structural representation of the narrow-frame touch panel that Fig. 5 provides for the utility model embodiment tetra-, the present embodiment be take above-described embodiment one as basis, further by the node 37 between mesh lines, be connected, that is, the mesh lines of described conductive layer 20 contacts and is connected with the end of the mesh lines of described electrode wires 32.
In the present embodiment, can, by the mesh lines pattern of design conductive layer 20 and electrode wires 32, make both mesh lines ends can just contact connection.Further, in junction, can form the dot pattern larger compared with mesh lines width, configuration node 37, to improve electrical connection properties.
The technical scheme of the present embodiment, also can, in conjunction with the mode of transition section, by the mesh-density of gradual change, guarantee to have the contact of more mesh lines end to connect between grid.The width of transition section can be also gradual change, wider in adjacent conductive layer one side, thinner in adjacent electrode line one side, thereby mates with the width of conductive layer and electrode wires.
Embodiment five
The lateral cross section cut-open view of the narrow-frame touch panel that Fig. 6 provides for the utility model embodiment five, the present embodiment can be take the various embodiments described above as basis, further introduces the generation type of electrode wires 32.In the present embodiment, the rim area of described substrate 10 is formed with latticed groove 11, and described latticed electrode wires 32 is contained in the latticed groove 11 of rim area.
As shown in Figure 6, substrate 10 generally comprises first surface 12 and second surface 12 ', and conductive layer 20, lead-in wire electrode can be formed on first surface 12, or be formed on first surface 12 and second surface 12 '.The present embodiment forms latticed groove 11 at first surface 12 by impression mode, and conductive material is filled in groove 11 to form electrode wires 32.
Similarly, conductive layer, electrode wires, the first connecting line, the second connecting line and transition section all can adopt same process to make.
Embodiment six
The lateral cross section cut-open view of the narrow-frame touch panel that Fig. 7 provides for the utility model embodiment six, the present embodiment provides the mode of another kind of formation electrode wires 32 with respect to embodiment five.The described latticed electrode wires 32 of the present embodiment is for adopting composition technique to be convexly set in the conductive pattern in described substrate 10 rim area.For example can adopt the mode of serigraphy or inkjet printing to be convexly set on first surface 12.
In above-described embodiment, preferably can also comprise hypothallus 13, be arranged at the surface of described substrate 10, described conductive layer 20 and lead-in wire electrode are formed on described hypothallus 13.Hypothallus 13 is attached to a side surface of substrate 10, for example, be formed on first surface 12, and electrode wires 32 can be convexly equipped with on the surface of hypothallus 13.
When as above adopting groove to form electrode wires, groove can be stamped in a side of the corresponding first surface of hypothallus.Substrate is generally thermoplastic, such as PMMA or PC etc., and hypothallus can impress glue etc. for UV, more suitable impression forms groove.
For the electrode wires 32 being formed in groove, the degree of depth of its groove can be 3 μ m, and width can be 2.2 μ m, and the first connecting line and the second connecting line also can adopt the mode of filling impression groove to prepare, and its width is generally not more than 10 μ m; For the electrode wires 32 of convex, its minimum widith can be 2 μ m～20 μ m, highly can be 5 μ m～10 μ m, and the first connecting line and the second connecting line can be made for raised line, and its width is generally 2 μ m～20 μ m.Conductive material can be selected Nano Silver ink.
The narrow-frame touch panel that the utility model above-described embodiment provides, the grid of the grid of described conductive layer 20, described electrode wires 32 and/or the grid of described transition section 35 are regular shape or randomly shaped.For example, in Fig. 4, the mesh of electrode wires 32 and transition section 35 is regular rectangle, and the mesh of conductive layer 20 is irregular randomly shaped.In addition, mesh can also be the regular shapes such as square, rhombus, parallelogram, regular hexagon, curvilinear boundary quadrilateral or polygon.Curvilinear boundary quadrilateral refers to have four bent limits, and two relative bent limits have identical shaped and curve trend.In addition, mesh can also be illustrated in figure 8 the rectangular configuration of inclination, regular distribution.Or grid is the irregular random grid shown in Fig. 9.
The technical scheme of each embodiment of the utility model, can reduce border width by saving internal wiring terminal, saves and prepares material.Meanwhile, can further adopt connecting line or node mode to connect latticed conductive layer and electrode wires, thereby make the electric conductivity of touch-screen better, touch sensible is sensitiveer.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model being had been described in detail to those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (13)
1. a narrow-frame touch panel, comprises substrate, conductive layer and lead-in wire electrode, it is characterized in that:
Described substrate comprises Petting Area and rim area;
Described conductive layer is laid in the Petting Area of described substrate;
Described lead-in wire electrode comprises electrode wires and the outer terminal of electrical connection, is laid in the rim area of described substrate, and described electrode wires is connected with the edge electric of latticed conductive layer.
2. narrow-frame touch panel according to claim 1, is characterized in that: the surface of described substrate offers latticed groove, and described conductive layer is contained in described latticed groove.
3. narrow-frame touch panel according to claim 2, is characterized in that: every described electrode wires is formed by cross one another latticed conductor wire silk, and the mesh-density of described electrode wires is greater than the mesh-density of described conductive layer.
4. narrow-frame touch panel according to claim 3, is characterized in that, also comprises:
The first connecting line, is connected between described conductive layer and electrode wires, and described the first connecting line is connected at the edge of described conductive layer and each mesh lines of conductive layer, and described the first connecting line is connected at the edge of described electrode wires and each mesh lines of electrode wires.
5. narrow-frame touch panel according to claim 4, is characterized in that, also comprises:
Transition section, described transition section is latticed circuit, is positioned at described rim area, is connected between described conductive layer and electrode wires, the mesh-density of described transition section is more than or equal to the mesh-density of described conductive layer.
6. narrow-frame touch panel according to claim 5, is characterized in that: described transition section is connected between described conductive layer and described the first connecting line.
7. narrow-frame touch panel according to claim 5, is characterized in that, also comprises:
The second connecting line, is connected between described conductive layer and transition section, and described the second connecting line is connected at the edge of described conductive layer and each mesh lines of conductive layer, and described the second connecting line is connected at the edge of described transition section and each mesh lines of transition section.
8. narrow-frame touch panel according to claim 7, is characterized in that: the length of described the second connecting line is greater than the width of described transition section.
9. narrow-frame touch panel according to claim 3, is characterized in that:
The end of described conductive layer mesh lines contacts and is connected with the end of the mesh lines of described electrode wires.
10. narrow-frame touch panel according to claim 3, is characterized in that:
The rim area of described substrate is formed with latticed groove, and described latticed electrode wires is contained in the latticed groove of rim area.
11. narrow-frame touch panels according to claim 3, is characterized in that:
Described latticed electrode wires is convexly set in described substrate rim area.
12. according to the arbitrary described narrow-frame touch panel of claim 1-3, it is characterized in that, also comprises:
Hypothallus, is arranged at the surface of described substrate, and described conductive layer and lead-in wire electrode are formed on described hypothallus.
13. narrow-frame touch panels according to claim 5, is characterized in that:
The grid of the grid of described conductive layer, the grid of described electrode wires and/or described transition section is regular shape or randomly shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463696.2U CN203422722U (en) | 2013-07-31 | 2013-07-31 | Narrow-frame touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463696.2U CN203422722U (en) | 2013-07-31 | 2013-07-31 | Narrow-frame touch screen |
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| CN203422722U true CN203422722U (en) | 2014-02-05 |
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| CN201320463696.2U Expired - Fee Related CN203422722U (en) | 2013-07-31 | 2013-07-31 | Narrow-frame touch screen |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8866787B2 (en) | 2008-12-05 | 2014-10-21 | Apple Inc. | Integrated touch panel for a TFT display |
| CN104345937A (en) * | 2013-07-31 | 2015-02-11 | 南昌欧菲光科技有限公司 | Narrow-frame touch screen |
| CN104978056A (en) * | 2014-04-02 | 2015-10-14 | 宝宸（厦门）光学科技有限公司 | Touch control panel |
| CN105655012A (en) * | 2014-11-11 | 2016-06-08 | 深圳欧菲光科技股份有限公司 | Electronic apparatus, and transparent conductive membrane and preparation method thereof |
| US9367188B2 (en) | 2014-05-23 | 2016-06-14 | Apple Inc. | RC matching in a touch screen |
| US9395583B2 (en) | 2012-06-06 | 2016-07-19 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| CN107357475A (en) * | 2017-06-27 | 2017-11-17 | 上海天马微电子有限公司 | Contact panel and display device |
| US10268295B2 (en) | 2014-04-16 | 2019-04-23 | Apple Inc. | Structure for pixelated self-capacitance |
| US10852876B2 (en) | 2014-05-28 | 2020-12-01 | Apple Inc. | Narrow border touch screen |
-
2013
- 2013-07-31 CN CN201320463696.2U patent/CN203422722U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8866787B2 (en) | 2008-12-05 | 2014-10-21 | Apple Inc. | Integrated touch panel for a TFT display |
| US9395583B2 (en) | 2012-06-06 | 2016-07-19 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| US10061164B2 (en) | 2012-06-06 | 2018-08-28 | Apple Inc. | Column spacer design for a display incorporating a third metal layer |
| CN104345937B (en) * | 2013-07-31 | 2017-08-04 | 南昌欧菲光科技有限公司 | Narrow-frame touch panel |
| CN104345937A (en) * | 2013-07-31 | 2015-02-11 | 南昌欧菲光科技有限公司 | Narrow-frame touch screen |
| CN104978056A (en) * | 2014-04-02 | 2015-10-14 | 宝宸（厦门）光学科技有限公司 | Touch control panel |
| CN104978056B (en) * | 2014-04-02 | 2018-08-14 | 宝宸（厦门）光学科技有限公司 | Touch panel |
| US10268295B2 (en) | 2014-04-16 | 2019-04-23 | Apple Inc. | Structure for pixelated self-capacitance |
| US9367188B2 (en) | 2014-05-23 | 2016-06-14 | Apple Inc. | RC matching in a touch screen |
| US10345972B2 (en) | 2014-05-23 | 2019-07-09 | Apple Inc. | RC matching in a touch screen |
| US10852876B2 (en) | 2014-05-28 | 2020-12-01 | Apple Inc. | Narrow border touch screen |
| CN105655012A (en) * | 2014-11-11 | 2016-06-08 | 深圳欧菲光科技股份有限公司 | Electronic apparatus, and transparent conductive membrane and preparation method thereof |
| CN107357475A (en) * | 2017-06-27 | 2017-11-17 | 上海天马微电子有限公司 | Contact panel and display device |
| CN107357475B (en) * | 2017-06-27 | 2020-12-29 | 上海天马微电子有限公司 | Touch panel and display device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20180731 |