CN205103795U - Touch panel - Google Patents
Touch panel Download PDFInfo
- Publication number
- CN205103795U CN205103795U CN201520790131.4U CN201520790131U CN205103795U CN 205103795 U CN205103795 U CN 205103795U CN 201520790131 U CN201520790131 U CN 201520790131U CN 205103795 U CN205103795 U CN 205103795U
- Authority
- CN
- China
- Prior art keywords
- contact panel
- metallic circuit
- layer
- secondary line
- utility
- 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.)
- Expired - Fee Related
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- 239000000758 substrate Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000000059 patterning Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract 5
- 239000010410 layer Substances 0.000 description 47
- 230000008901 benefit Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- 239000011368 organic material Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model provides a touch panel. Through the novel metal circuit structure design and layout mode of the touch panel, the metal circuit in the metal circuit layer is subjected to patterning design to form a structure with a plurality of secondary circuits and/or short circuits, so that the adhesion of the metal circuit to a bottom layer material can be improved under the conditions that the touch panel is compatible with the existing process, the touch panel accords with the cost-benefit consideration and the electrical property of the metal circuit is maintained.
Description
Technical field
The utility model is about a kind of contact panel, particularly about a kind of Wiring structure design and connection of contact panel.
Background technology
Generally speaking, contact panel is mainly made up of substrate, the sensed layer containing multiple sensing electrode and corresponding syndeton, many metallic traces and decorative layer, and wherein metallic circuit is electrically connected on a part sensing electrode, to carry out the transmission of data or signal.Decorative layer covers the metallic circuit that is positioned at substrate periphery and forms rim area, to reduce the external visibility of metallic circuit for human eye, and increases the aesthetic feeling of contact panel through the colour planning of decorative layer.
Fig. 1 illustrates to illustrate a kind of above-mentioned primary structure of known contact panel 10.As shown in the figure, sensed layer 120 is formed on substrate 110, and it is made up of the multiple sensing electrode and corresponding syndeton that are arranged in visible area 12.Many metallic traces 130 are laid in the rim area 14 of contact panel, and are electrically connected with section senses electrode with data transmission or signal
For can well by the signal transmission of sensed layer to control module, the laying of metallic circuit is with electrically most important in the design of contact panel.Specifically, in contact panel, the drive singal that IC output terminal is got can be communicated to the sensing electrode in panel by metallic circuit, and by metallic circuit, coupled signal is back to the receiving end of IC.The laying of metallic circuit exports and the quality of Received signal strength in the process with electrically affecting, and therefore existing a large amount of mental and physical efforts focus on meeting the metallic circuit of metal material as contact panel seeking to have good characteristics of electrical conductivity under cost benefit.
The known metal material as metallic circuit must meet following multiple condition at present: have good electrical conductivity, have good stability of material, have with the good adherence of bottom organic material, can be applicable to volume production and the acceptable cost price of tool.Due in contact panel design in order to prevent scratch, aqueous vapor invades and causes galvanic corrosion or dirty dropping to cause short circuit problem between electrode; mostly can cover a protective layer material; and this protective layer material has preferably adhesive properties usually; be beneficial to firmly cover the transparency electrode within the scope of contact panel visible area and metallic circuit, reach protection object.
Fig. 2 A and Fig. 2 B schematically illustrate a selected top view and the sectional view of aforementioned structure respectively.It is a part for the rim area 14 of a known contact panel shown in Fig. 2 A, wherein for asking expression clear, it is the only exemplary part showing the metallic traces 130 be formed on substrate 110, the technology personage Ying Zhi in field belonging to right utility model, contact panel is should comprise many metallic traces to be connected to the sensing electrode (not shown) in sensed layer in rim area.Fig. 2 B for along the sectional view shown in Fig. 2 A middle conductor CC ', is wherein the protective seam 200 being coated with the protection of general tool, insulation function on metallic circuit 130.
Under foregoing structure; due to the firm covering of matcoveredn material; therefore in consider metallic circuit electrically and with the adherence of primer and accept or reject time; often being electrically main choosing conditions; meaning is can possess good electrical conductivity, cost benefit and can production, and we use the metal material poor with primer adhesion as the metallic circuit in contact panel by accepting.
Under different application demand, the contact panel being coated with aforementioned protective layer material need carry out multiple tracks after-processing technology toward contact, such as, wash, toast, the operation such as overlay film, heavy industry dyestripping.For example; protective seam 200 shown in Fig. 2 B is removed being subject to from pullling of different directions in these after-processing technology operations; and when shown in arrow A or B, direction removes protective seam to carry out after-processing technology in such as Fig. 2 A; metallic circuit 130 will because (common is organic material with primer; such as decorative layer) tackness is not good and easily depart from from primer large area or block, causes process yields to lose.
Therefore, still urgently develop one can with existing process compatible, meet that cost benefit is considered, to maintain metallic circuit electrical, and metallic circuit can be improved technical scheme is laid to the metallic circuit of primer tack.
Utility model content
In view of the relevant issues of aforementioned known techniques, the purpose of this utility model is that the metallic circuit proposing a kind of novelty lays mode, with can with existing process compatible, meet cost benefit consider and maintain metallic circuit electrically under, improve metallic circuit to the tack of primer.
Based on aforementioned object, the utility model proposes a kind of contact panel with the design of novel metallic circuit, it comprises: a substrate; One decorative layer is formed at the neighboring area on a surface of this substrate, with define this substrate a rim area and by this rim area around a visible area; One sensed layer is formed on this substrate and comprises the multiple sensing electrodes be distributed in this visible area; And a metallic circuit layer, be formed at position corresponding to this rim area on this decorative layer, this metallic circuit layer is the section senses electrode in this sensed layer of electrical connection.
In an embodiment of the present utility model, this sensed layer is a transparency conducting layer.
In an embodiment of the present utility model, this metallic circuit layer is patterned for comprising many metallic traces, and respectively this metallic circuit comprises a line set, and an interval of two secondary lines adjacent in this secondary line set is between 10 μm to 0.1mm.
In an embodiment of the present utility model, each secondary line in each described secondary line set is connected to its end.
In an embodiment of the present utility model, the live width of this secondary line is less than 30 μm.
In an embodiment of the present utility model, this secondary line set comprise many first time circuit with many second time circuits, respectively this first time circuit and respectively this second time circuit be extend with different directions.
In an embodiment of the present utility model, respectively this first time circuit and each this second time circuit bearing of trend between be in a predetermined angular.Be preferably, this predetermined angular comprises but is not limited to 15 °, 30 °, 45 ° etc.
In an embodiment of the present utility model, this secondary line set is in netted.
In an embodiment of the present utility model, respectively the width of this metallic circuit is between 10 μm to 2mm.
Based on above-mentioned, metallic circuit in metallic circuit layer is carried out patterning schemes by the utility model, it is made to be formed as having the structure of many secondary lines and/or short-term road, with can with existing process compatible, meet cost benefit consider and maintain metallic circuit electrically under, improve metallic circuit to the tack of primer.
Describe in detail according to following non-limiting specific embodiment, and with reference to as accompanying drawings, further can understand aforementioned conception of the present utility model and other features conceived, implement aspect and advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a known contact panel, and it illustrates the configuration of sensed layer and metallic circuit in contact panel;
Fig. 2 A and Fig. 2 B schematically illustrate a selected the top view and sectional view that the metallic circuit in known contact panel rim area configures respectively;
Fig. 3 illustrates the contact panel part-structure schematic cross-section according to the utility model illustrative embodiment;
Fig. 4 A and Fig. 4 B schematically illustrate a selected the top view and sectional view that in the contact panel rim area according to the utility model first specific embodiment, metallic circuit configures respectively;
Fig. 5 is the upper schematic diagram of metallic circuit configuration in the contact panel rim area according to the utility model second specific embodiment;
Fig. 6 is the upper schematic diagram of metallic circuit configuration in the contact panel rim area according to the utility model the 3rd specific embodiment;
Fig. 7 is the upper schematic diagram of metallic circuit configuration in the contact panel rim area according to the utility model the 4th specific embodiment; And
Fig. 8 is the upper schematic diagram of metallic circuit configuration in the contact panel rim area according to the utility model the 5th specific embodiment.
Drawing reference numeral
12: visible area
14: rim area
110: substrate
120: sensed layer
130: metallic circuit
200: protective seam
305: decorative layer
315: isolation layer
320: sensed layer
330: metallic circuit
430: metallic circuit
430X, 430Y: end
432: secondary line
530: metallic circuit
530X, 530Y: end
532: secondary line
534: short-term road
630: metallic circuit
630X, 630Y: end
632: secondary line
634: short-term road
730X, 730Y: end
732: secondary line
736: reticulate texture
736X, 736Y: short-term road
830X, 830Y: end
832: secondary line
836: reticulate texture
836X, 836Y: short-term road
Embodiment
The technology effect for the benefit of understood technical characteristic of the present utility model, content and advantage and can reach, hereby with reference to such as accompanying drawings, describes specific embodiment of the utility model in detail by way of illustration.So it is noted that following explanation illustrate and the use of aid illustration book with being merely as accompanying drawings, and for actual proportions during enforcement the utility model and accurately may not configure; Therefore, should not understand with regard to the ratio of institute's accompanying drawings and configuration relation, limit the interest field that the utility model implements in reality, scope of the present utility model be by as attached claim define.
Hereafter further illustrate specific embodiment of the utility model by graphic for cooperation.These graphic middle indicated elements need be understood and be merely the clear use of explanation, but not represent physical size and ratio.In addition, for asking simplified form in order to understanding, be eliminate illustrating and description of well known elements in partial view.
Refer to Fig. 3, it is a contact panel part-structure schematic diagram, in order to the formation according to the routing structure for touch panel of the utility model illustrative embodiment to be described.First one substrate 110 is provided; A decorative layer 305 is formed on this substrate, decorative layer 305 can be a such as black matrix" (BM) layer, it is covered in the neighboring area of substrate 110, to define the rim area 14 being positioned at contact panel periphery and the visible area 12 touching viewing for user.In addition, optionally can form an isolation layer 315, isolation layer 315 is generally be made up of organic material, and it covers decorative layer 305 with on the surface of whole substrate 110.
Secondly, in visible area 12, sensed layer 320 is formed.Generally speaking, sensed layer 320 is the transparency conducting layers formed under hot conditions, such as indium tin oxide (ITO), and it is patterned and be formed as comprising multiple sensing electrode and corresponding syndeton (not shown).
Then, metallic circuit layer 330 is formed on decorative layer 305, and it is the section senses electrode in this sensed layer of electrical connection, in order to the transmission carrying out data and electric signal.In the utility model, metallic circuit layer is patterned for comprising many metallic traces, and each metallic traces is formed as comprising many secondary lines all further, hereinafter will further describe.
Finally, in one-piece construction, form a protective seam 200.Generally speaking, protective seam 200 is organic material layers, and it will be removed in after-processing technology according to needed for application.
Fig. 4 A schematically illustrate a selected the top view of metallic circuit configuration in the contact panel rim area according to the utility model first specific embodiment, wherein the turnover region (as shown in square D) of metallic circuit amplifies further to be presented in same drawing, as shown in the region that dotted line in figure encloses; Fig. 4 B is along the cross section shown in Fig. 4 A middle conductor CC ', which schematically illustrates novel metallic circuit structure of the present utility model.
As aforementioned explanation, in the utility model, metallic circuit layer is patterned for comprising many metallic traces, and each metallic traces is formed as comprising many secondary lines all further.For asking expression clear, it is the only exemplary part showing the wherein metallic traces 430 be formed on substrate 110 in Fig. 4 A, the technology personage Ying Zhi in field belonging to right utility model, contact panel should include many these type of metallic circuits in rim area 14, to be connected to the sensing electrode (not shown) in sensed layer.
As shown in Figure 4 A, in rim area 14, a wherein metallic traces 430 in metallic circuit layer is patterned as further to comprise a line set, this secondary line set be by extend individually and in 430X, 430Y place, metallic circuit end connect many secondary lines 432 formed.The metallic circuit 430 be made up of many secondary lines 432 has live width WX, WY respectively in X-direction and Y-direction, and its numerical value is generally between 10 μm to 2mm.In described secondary line 432, the width of each secondary line 432 is less than 30 μm, and be separated with a predetermined space d mutually between adjacent two secondary lines 432.According to the utility model, this predetermined space is greater than 10 μm.For another aforementioned explanation, the contact panel formed is be covered with a protective seam 200 (being shown in Fig. 4 B) for protection and insulation.
In the utility model, metallic circuit can be further designed to include to extend and secondary line interlaced with each other and short-term road with different directions, uses that increase can the area of data transmission and electric signal, to reduce line resistance and to improve line conduction yield.Namely following Fig. 5 to Fig. 8 schematically illustrate a selected various different design aspect.
Fig. 5 schematically illustrate a selected the top view of metallic circuit configuration in the contact panel rim area according to the utility model second specific embodiment, wherein the turnover region (as shown in square E) of metallic circuit amplifies further to be presented in same drawing, as shown in the region that dotted line in figure encloses.
In this particular embodiment, a wherein metallic traces 530 in metallic circuit layer is patterned as further to comprise a line set, this secondary line set be by extend individually and in 530X, 530Y place, metallic circuit end connect many secondary lines 532 formed.The metallic circuit 430 be made up of many secondary lines 532 has live width WX, WY respectively in X-direction and Y-direction, and its numerical value is generally between 10 μm to 2mm.In this particular embodiment, secondary line set further comprises the short-term road 534 with each secondary line 532 vertical interlaced; Wherein, each secondary line 532 is be less than 30 μm with the width of short-term road 534, and is be separated with a predetermined space d mutually between adjacent two secondary lines 432, is be separated with a predetermined space p mutually between two adjacent short-term roads 534.According to the utility model, indivedual predetermined space d, p are greater than 10 μm.
Fig. 6 schematically illustrate a selected the top view of metallic circuit configuration in the contact panel rim area according to the utility model the 3rd specific embodiment, wherein the turnover region (as shown in square F) of metallic circuit amplifies further to be presented in same drawing, as shown in the region that dotted line in figure encloses.
In this particular embodiment, a wherein metallic traces 630 in metallic circuit layer is patterned as further to comprise a line set, this secondary line set be by extend individually and in 630X, 630Y place, metallic circuit end connect many secondary lines 632 formed.The metallic circuit 630 be made up of many secondary lines 632 has live width WX, WY respectively in X-direction and Y-direction, and its numerical value is generally between 10 μm to 2mm.In this particular embodiment, secondary line set further comprises the oblique staggered oblique short-term road 634 with each secondary line 632; This means, in this particular embodiment, each oblique line short-term road 634 is respectively and presents the inclination of a predetermined angular between each secondary line 632.Be preferably, this predetermined angular comprises but is not limited to 15 °, 30 °, 45 ° etc.
Except utilize to extend in different directions and secondary line interlaced with each other and short-term road increase can except the area of data transmission and electric signal, according to the utility model, metallic circuit layer also can be patterned for form a reticulate texture between two secondary lines, as illustrated in figs. 7 and 8.The design of this reticulate texture contributes to the line resistance of reduction metallic circuit equally and improves line conduction yield.
Fig. 7 schematically illustrate a selected the top view of metallic circuit configuration in the contact panel rim area according to the utility model the 4th specific embodiment, wherein the turnover region (as shown in square G) of metallic circuit amplifies further to be presented in same drawing, as shown in the region that dotted line in figure encloses.
In this particular embodiment, the wherein metallic traces in metallic circuit layer is patterned as further to comprise a line set, this secondary line set be by extend individually and in 730X, 730Y place, metallic circuit end connect two secondary lines 732 formed.By patterning hollow out mode, can be formed as a circuit network structure 736 between two secondary lines 732, this circuit network structure is made up of many crossing short-term road 736X and 736Y perpendicular to one another.The metallic circuit 730 be made up of secondary line 732 and circuit network structure 736 has live width WX, WY respectively in X-direction and Y-direction, and its numerical value is generally between 10 μm to 2mm.In this particular embodiment, each secondary line 732 is be less than 30 μm with the width of short-term road 736X, 736Y, and the interval between adjacent two short-term roads is greater than 10 μm.
Fig. 8 schematically illustrate a selected the top view of metallic circuit configuration in the contact panel rim area according to the utility model the 5th specific embodiment, wherein the turnover region (as shown in square H) of metallic circuit amplifies further to be presented in same drawing, as shown in the region that dotted line in figure encloses.
In this particular embodiment, the wherein metallic traces in metallic circuit layer is patterned as further to comprise a line set, this secondary line set be by extend individually and in 830X, 830Y place, metallic circuit end connect two secondary lines 832 formed.By patterning hollow out mode, can be formed as a circuit network structure 836 between two secondary lines 832, this circuit network structure is made up of many crossing short-term road 836X and 836Y perpendicular to one another.The metallic circuit 830 be made up of secondary line 832 and circuit network structure 836 has live width WX, WY respectively in X-direction and Y-direction, and its numerical value is generally between 10 μm to 2mm.In this particular embodiment, each secondary line 832 is be less than 30 μm with the width of short-term road 836X, 836Y, and the interval between adjacent two short-term roads is greater than 10 μm.
Different from specific embodiment shown in Fig. 7 be in, in structure shown in Fig. 8, not every bar short-term road 836X and 836Y is connected to secondary line 832 in its end.The advantage of this layout type is easily to realize by stylizing.
In the utility model, what in after-processing technology, acted on metallic circuit layer by removing to disperse protective seam pulls power, be that the metallic circuit in metallic circuit layer is carried out patterning schemes, make it be formed as having the structure of many secondary lines and/or short-term road; Particularly, the interval between the live width of secondary line (or short-term road), adjacent secondary line (or short-term road) is through design, acts on acting force on the stressed end points of metallic circuit to disperse protective seam when being removed.In the utility model, though be less than 30 μm, be spaced apart the secondary line (or short-term road) being greater than 10 μm and illustratively illustrate with live width, belonging to right utility model, the technology personage in field all can understand, when merging consideration resistance characteristic and requiring with yield loss, the live width of secondary line (or short-term road) and interval can carry out adjusting with adjusting according to selecting material.Only this adjustment still do not depart from the utility model institute for protect category.
In sum, the utility model proposes a kind of metallic circuit structural design and laying mode of novelty, with can with existing process compatible, meet cost benefit consider and maintain metallic circuit electrically under, improve metallic circuit to the tack of primer.Therefore, the utility model is a novelty in fact, improves and tool industrial applicability and emulative creation, dark tool dynamogenetic value.
Need it is specifically intended that, all features disclosed in instructions of the present utility model all may be combined with additive method or structure, each feature disclosed in this instructions may optionally replace with identical, equal or similar object feature, therefore, except significant especially feature, all features disclosed in instructions of the present utility model are only equal or an example in similar features.
Although the utility model discloses as above with preferred embodiment, so itself and be not used to limit the utility model, be anyly familiar with this those skilled in the art, not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.
Claims (9)
1. a contact panel, is characterized in that, described contact panel comprises:
One substrate;
One decorative layer is formed at the neighboring area on a surface of described substrate, with define described substrate a rim area and by described rim area around a visible area;
One sensed layer is formed on described substrate and comprises the multiple sensing electrodes be distributed in described visible area; And a metallic circuit layer, be formed at position corresponding to described rim area on described decorative layer, described metallic circuit layer is the section senses electrode in the described sensed layer of electrical connection,
Wherein, described metallic circuit layer is patterned for comprising many metallic traces, and each described metallic circuit comprises a line set, and an interval of two secondary lines adjacent in described secondary line set is between 10 μm to 0.1mm.
2. contact panel according to claim 1, is characterized in that, each secondary line in each described secondary line set is connected to its end.
3. contact panel according to claim 1, is characterized in that, the live width of described secondary line is less than 30 μm.
4. contact panel according to claim 1, is characterized in that, described secondary line set comprise many first time circuit with many for the second time circuits, each described first time circuit and each described second time circuit be extend with different directions.
5. contact panel according to claim 4, is characterized in that, each described first time circuit and each described second time circuit bearing of trend between be in a predetermined angular.
6. contact panel according to claim 5, is characterized in that, described predetermined angular is selected from one in 15 °, 30 ° and 45 °.
7. contact panel according to claim 1, is characterized in that, described secondary line set is in netted.
8. contact panel according to claim 1, is characterized in that, described sensed layer is a transparency conducting layer.
9. contact panel according to claim 1, is characterized in that, the width of each described metallic circuit is between 10 μm to 2mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104121995 | 2015-07-07 | ||
| TW104121995A TW201702823A (en) | 2015-07-07 | 2015-07-07 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205103795U true CN205103795U (en) | 2016-03-23 |
Family
ID=55519565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520790131.4U Expired - Fee Related CN205103795U (en) | 2015-07-07 | 2015-10-12 | Touch panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205103795U (en) |
| TW (1) | TW201702823A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234202A (en) * | 2018-03-06 | 2019-09-13 | 易华电子股份有限公司 | The system for promoting dry film and substrate linking steady character |
| US10991728B2 (en) | 2018-11-26 | 2021-04-27 | Au Optronics Corporation | Display panel |
-
2015
- 2015-07-07 TW TW104121995A patent/TW201702823A/en unknown
- 2015-10-12 CN CN201520790131.4U patent/CN205103795U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234202A (en) * | 2018-03-06 | 2019-09-13 | 易华电子股份有限公司 | The system for promoting dry film and substrate linking steady character |
| US10991728B2 (en) | 2018-11-26 | 2021-04-27 | Au Optronics Corporation | Display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201702823A (en) | 2017-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160323 Termination date: 20181012 |