CN103984435A - Touch panel capable of reducing frame area - Google Patents
Touch panel capable of reducing frame area Download PDFInfo
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- CN103984435A CN103984435A CN201410141065.8A CN201410141065A CN103984435A CN 103984435 A CN103984435 A CN 103984435A CN 201410141065 A CN201410141065 A CN 201410141065A CN 103984435 A CN103984435 A CN 103984435A
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- conductor wires
- conductive layer
- rim area
- contact panel
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Abstract
The invention discloses a touch panel capable of reducing a frame area. The touch panel comprises a transparent substrate; the surface of the transparent substrate is provided with a sensing area and the frame area at the periphery of the sensing area; the transparent substrate is sequentially provided with a first conducting layer, an insulating layer and a second conducting layer; the first conducting layer forms a plurality of transparent electrode serials in the sensing area of the transparent substrate, and forms a plurality of first conductor wires in the frame area; the second conducting layer forms a plurality of second conductor wires in the frame area; the transparent electrode serials are connected between the first conductor wires and the second conductor wires; meanwhile, the first conductor wires and the second conductor wires are separated by the insulating layer. The conductor wires in different layers are formed in the frame area of the panel, and the area occupied by the frame area can be reduced.
Description
Technical field
The present invention relates to a kind of contact panel, particularly relate to a kind of contact panel that reduces rim area.
Background technology
In recent years, contact panel (Touch Panel) has been widely used to electronic product miscellaneous, as: GPS (GPS), personal digital assistant (PDA), mobile phone (cellular phone) and palmtop computer (Hand-held PC) etc., to replace traditional input media (as: keyboard and mouse etc.).Significantly change in this design, has not only promoted the man-machine interface compatibility of these electronic installations, more because having omitted traditional input media, vacates more spaces, and for larger sized display panel is installed, person easy to use browses data.
Existing contact panel comprises resistance-type, condenser type, acoustic wave and optical profile type.Under the principle of various different large projects, derive again the production method of many different kenels, such as resistance-type, just there are 8 lines, 7 lines, 6 lines, 5 lines, 4 line formulas, numerical digit resistance etc.; Condenser type has surface capacitance, digital capacitance (multi-point touch condenser type) etc.; Optical profile type has infrared ray screen type, suppresses total-reflection type etc.General existing contact panel is as shown in Figure 1, Figure 2 with shown in Fig. 3, comprise a transparency carrier 10, take a-a ' line as example, on transparency carrier 10, be sequentially provided with one first transparency conducting layer 12, one first insulation course 14, one second conductive layer 16 and one second insulation course 18, wherein the first transparency conducting layer 12 forms a plurality of transparency conductive electrode serials 20 at the sensing area of transparency carrier 10, the second rim area of 16 of conductive layers at transparency carrier 10 forms a plurality of conductor wires 22, and these conductor wires 22 connect a plurality of connection pads 23.Because these conductor wires 22 form by other the second conductive layer 16 of same layer, in etch process, between conductor wire 22, must there is spacing g, otherwise easily cause, open circuit or short circuit; Electrical aspect, also can cause the impact of signal each other between the too not close electrically conducting transparent line 22 of same layer.Because the demand of many products is now all to have less rim area (border area), with existing technology, the many spaces that accounted for of the spacing between circuit.
Summary of the invention
Make up above-mentioned the deficiencies in the prior art, fundamental purpose of the present invention, is to provide a kind of contact panel, can dwindle the shared area in rim area.
For reaching above-mentioned purpose, the invention provides a kind of contact panel that reduces rim area, it comprises a transparency carrier, and its surface has a sensing area and this sensing area rim area around; Transparency carrier is provided with one first conductive layer, and it forms a plurality of first conductor wires in rim area; Transparency carrier and the first conductive layer are provided with one first insulation course, to cover the first conductive layer; The first insulation course is provided with one second conductive layer, to form a plurality of the second conductor wires in rim area; This first conductive layer forms plurality of electrodes serial at this sensing area, to connect those first conductor wires and those the second conductor wires; And a plurality of connection pads, it is positioned at this rim area, and connects those first conductor wires and those the second conductor wires.
The beneficial effect that the present invention is compared with the prior art is: the present invention realizes wire with other conductive layer of different layers, can dwindle the shared area in rim area.
Accompanying drawing explanation
Fig. 1 is transparency electrode serial and the conductor wire schematic layout pattern of the contact panel of prior art.
Fig. 2 is that Fig. 1 is along the structure cut-open view of a-a ' line.
Fig. 3 is connection pad and the conductor wire schematic layout pattern of the contact panel of prior art.
Fig. 4 is the schematic layout pattern of the contact panel of embodiments of the invention one.
Fig. 5 is that Fig. 4 is along the structure cut-open view of b-b ' line.
Fig. 6 is that Fig. 4 is along the structure cut-open view of c-c ' line.
Fig. 7 is the first conductor wire of Fig. 4 and the layout enlarged diagram of the second conductor wire.
Fig. 8 is the schematic layout pattern of the contact panel of embodiments of the invention two.
Fig. 9 is that Fig. 8 is along the structure cut-open view of d-d ' line.
Figure 10 is the first conductor wire of Fig. 8 and the layout enlarged diagram of the second conductor wire.
Figure 11 is the schematic layout pattern of the contact panel of embodiments of the invention three.
Figure 12 is that Figure 11 is along the structure cut-open view of e-e ' line.
Figure 13 is the first conductor wire of Figure 11 and the layout enlarged diagram of the second conductor wire.
Description of reference numerals:
10 transparency carriers
12 first transparency conducting layers
14 first insulation courses
16 second conductive layers
18 second insulation courses
20 transparency conductive electrode serials
22 conductor wires
23 connection pads
24 transparency carriers
26 first conductive layers
28 transparency electrode serials
30 first conductor wires
32 connection pads
34 first insulation courses
36 second conductive layers
38 second conductor wires
40 second insulation courses
Embodiment
Preferred embodiment the invention will be further described to contrast accompanying drawing combination below.
The present invention proposes " narrow frame (Narrow Border) " design in response to existing market main flow, refer generally to the frame of screen the right and left to the width of visible area, take mobile phone as example, the rectangle screen sides of mobile phone is longer, and black (in vain) limit of both sides is narrower is to be provided with the setting of light tight metal connecting line, therefore may carry out monolateral or bilateral driving because both sides are long again, and the present invention mainly separates the edge cabling of X-axis with insulation course, utilize the design of different layers to reduce distance between cabling to reach the effect of narrow frame.
Embodiment mono-
Refer to Fig. 4, Fig. 5, Fig. 6 and Fig. 7, wherein Fig. 5 be Fig. 4 along the structure cut-open view of b-b ' line, Fig. 6 be Fig. 4 along the structure cut-open view of c-c ' line, the first conductor wire that Fig. 7 is Fig. 4 and the layout enlarged diagram of the second conductor wire.Embodiments of the invention one comprise a transparency carrier 24, for example glass substrate or transparent resin substrate, and its surface has a sensing area and this sensing area rim area around, is respectively the inside and outside region of empty frame of Fig. 4.Transparency carrier 24 is provided with one first conductive layer 26, and its material can be tin indium oxide or metal, and at this, take the transparency conducting layer that material is tin indium oxide is example.The first conductive layer 26 forms a plurality of transparency electrode serials 28 at sensing area, and in rim area, forms a plurality of first conductor wires 30.Separately, be provided with a plurality of connection pads 32 that carry out telecommunication transmission for outside in rim area, its material can be any conductive material, makes the transparency electrode serial 28 of part, connection pad 32 and first conductor wire 30 of part are connected to each other.In the material of this connection pad 32, take metal as example, with profile line, represent.Transparency carrier 24 and the first conductive layer 26 are provided with one first insulation course 34, and it covers the first conductive layer 26 of rim area, and wherein the first insulation course 34 can be organic material or inorganic material.The first insulation course 34 is provided with one second conductive layer 36, and it forms a plurality of second conductor wires 38 in rim area, to connect all the other transparency electrode serials 28 and all the other connection pads 32.The material of the second conductive layer 36 can be tin indium oxide or metal, at this, also take metal as example, also with profile line, represents.The region that has an empty frame to surround on rim area, the first insulation course 34 of this correspondence need be provided with a hole, allows connection pad 32 can see through this hole and is connected with the first conductor wire 30.Separately because the second conductive layer 36 is metal with connection pad 32, so can be one-body molded to be connected to each other in same processing procedure.In the surperficial level and vertical direction of parallel transparency carrier 24, the first conductor wire 30 and the second conductor wire 38 are staggered side by side alternate between two, so the vertical line segment of the first conductor wire 30 and the second conductor wire 38 spacing each other in the surperficial horizontal direction of parallel transparency carrier 24 can be shortened, the horizontal line section of the first conductor wire 30 and the second conductor wire 38 spacing each other in the surperficial vertical direction of parallel transparency carrier 24 also can be shortened.The present invention mentions respectively different layers not by parallel between two conductor wire, reduces the space waste causing because of spacing between conductor wire, to reach the effect of the rim area that dwindles contact panel.Finally, the first insulation course 34 and the second conductive layer 36 are provided with one second insulation course 40, and its material can be organic material or inorganic material.
If during the material tin indium oxide of above-mentioned the first conductive layer 26, its resistance can be greater than the second conductive layer 36 that material is metal, as silver.Therefore in design, reach identical conduction speed if want, the width of the second conductor wire 38 that material is metal need be less than the first conductor wire 30 that material is tin indium oxide.
For instance, in order to dwindle the rim area of contact panel, the live width that can set each the second conductor wire 38 is the spacing of adjacent two the first conductor wires 30, the live width of each the first conductor wire 30 is the spacing of adjacent two the second conductor wires 38, so just can reduce the level interval between the first conductor wire and the second conductor wire, and then reduce the shared area in rim area.Alternate the first conductor wire 30 and the second conductor wire 38 between two of the present invention adheres to respectively the first conductive layer 26 and the second conductive layer 36 separately, owing to adhering to different layers separately, therefore with processing procedure, other the first conductor wire 30 of individual layer needs the spacing of maintenance still constant, does not therefore affect processing procedure; Therefore and there have the first insulation course 34 to separate between the first conductive layer 26 and the second conductive layer 36 to be two-layer, do not have electrically too near yet and cause the impact each other between signal.
With mathematical expression, prove, the live width of supposing original design conductor wire is that the spacing of W, etween the lines is G, N bar conductor wire, and the cabling space B of rim area is suc as formula shown in (1):
B=(W+G)×N (1)
And the spacing that the second conductor wire 38 of the present invention interts between the first conductor wire 30, make the live width of the first conductor wire 30 of the present invention and the second conductor wire 38 be all W, the two total quantity is N, and the first conductor wire 30 is to each other apart from be G, and the second conductor wire 38 to each other distance is also G.Therefore with on the whole, the cabling space B ' of new rim area is suc as formula shown in (2):
B’＝(W+(G-W)/2)×N=((W+G)/2)×N=((W+G)×N)/2=B/2 (2)
From formula (2), the cabling space of the rim area of contact panel can be saved half.
The manufacturing process of contact panel of the present invention also comprises two kinds, be a processing procedure that sequentially forms the first conductive layer 26, the first insulation course 34, the second conductive layer 36 and second insulation course 40 of the transparency electrode serial with X-axis or Y-axis, another kind is sequentially to form the second conductive layer 36, have conductive layer, first insulation course 34 of the transparency electrode serial of X-axis or Y-axis, first conductive layer 26 of transparency electrode serial with Y-axis or X-axis and the processing procedure of the second insulation course 40.
Embodiment bis-
As shown in Figure 8,9, 10, embodiment bis-is only that with the difference of embodiment mono-the second conductor wire 38 of embodiment bis-and the first conductor wire 30 are upper and lower overlapping.
Embodiment tri-
As shown in Figure 11,12,13, embodiment tri-is only that with the difference of embodiment mono-the second conductor wire 38 of embodiment tri-and the first conductor wire 30 are overlapping.
Embodiment bis-and three also can reduce distance between cabling to reach the effect of narrow frame.
The left and right sides that above-mentioned three kinds of embodiment are all located at cabling rim area is a side wherein, to complete the design of monolateral cabling.If think, design the bilateral driving in upper and lower both sides simultaneously, also can use technology of the present invention, the left and right sides that this bilateral driving cabling used is placed in to rim area is not in the space of cabling.
In sum, the present invention realizes the conductor wire of contact panel with two layers of different conductive layer, and with interspersed mutually setting, to reach the object of dwindling rim area.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, can also make some being equal to substitute or obvious modification, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. can reduce a contact panel for rim area, it is characterized in that, comprise:
One transparency carrier, its surface has a sensing area and this sensing area rim area around;
One first conductive layer, is located on this transparency carrier, to form a plurality of the first conductor wires in this rim area;
One first insulation course, is located on this transparency carrier and this first conductive layer, to cover this first conductive layer;
One second conductive layer, is located on this first insulation course, and to form a plurality of the second conductor wires in this rim area, this first conductive layer forms plurality of electrodes serial at this sensing area, to connect those first conductor wires and those the second conductor wires; And
A plurality of connection pads, it is positioned at this rim area, and connects those first conductor wires and those the second conductor wires.
2. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: also comprise one second insulation course, it is located on this first insulation course and this second conductive layer.
3. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: in parallel its this surperficial direction of this transparency carrier, those first conductor wires and those the second conductor wires are staggered side by side alternate between two.
4. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: those first conductor wires and those the second conductor wires are overlapping or be overlapping.
5. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: this first conductive layer is transparency conducting layer, and those electrode array behavior transparency electrode serials.
6. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: the material of this first conductive layer is tin indium oxide.
7. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: the material of this second conductive layer is metal or tin indium oxide.
8. the contact panel that reduces rim area as claimed in claim 1, is characterized in that: this transparency carrier is glass substrate or transparent resin substrate.
9. the contact panel that reduces rim area as claimed in claim 1, it is characterized in that: the material of this first conductive layer is tin indium oxide, and the material of this second conductive layer is metal, the width of those the second conductor wires that material is metal is less than those first conductor wires that material is tin indium oxide.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141065.8A CN103984435A (en) | 2014-04-10 | 2014-04-10 | Touch panel capable of reducing frame area |
| TW103114493A TW201539272A (en) | 2014-04-10 | 2014-04-22 | Touch panel capable of reducing frame area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141065.8A CN103984435A (en) | 2014-04-10 | 2014-04-10 | Touch panel capable of reducing frame area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103984435A true CN103984435A (en) | 2014-08-13 |
Family
ID=51276440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410141065.8A Pending CN103984435A (en) | 2014-04-10 | 2014-04-10 | Touch panel capable of reducing frame area |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103984435A (en) |
| TW (1) | TW201539272A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI623862B (en) * | 2014-08-29 | 2018-05-11 | 寶宸（廈門）光學科技有限公司 | Touch panel |
| CN109002206A (en) * | 2018-06-30 | 2018-12-14 | 云谷（固安）科技有限公司 | The preparation method of touch-control structure, display device and touch-control structure |
| CN109448570A (en) * | 2018-12-17 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display module |
| CN110413152A (en) * | 2019-07-17 | 2019-11-05 | 昆山龙腾光电有限公司 | Touch base plate, touch panel and touch control display apparatus |
| CN110442274A (en) * | 2018-05-03 | 2019-11-12 | 奕力科技股份有限公司 | Touch panel with narrow frame |
| WO2020133702A1 (en) * | 2018-12-25 | 2020-07-02 | 武汉华星光电半导体显示技术有限公司 | Narrow-bezel touch panel and manufacturing method |
| US11144170B2 (en) | 2018-12-17 | 2021-10-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425996B (en) * | 2015-11-11 | 2018-04-24 | 业成光电（深圳）有限公司 | The manufacture method of contact panel and its frame circuit |
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- 2014-04-10 CN CN201410141065.8A patent/CN103984435A/en active Pending
- 2014-04-22 TW TW103114493A patent/TW201539272A/en unknown
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| CN102955597A (en) * | 2011-08-17 | 2013-03-06 | 奇美电子股份有限公司 | Touch panel, manufacturing method of touch panel and display device comprising touch panel |
| WO2013035276A1 (en) * | 2011-09-06 | 2013-03-14 | 凸版印刷株式会社 | Integrated touch sensor substrate, display device provided with same, and method for producing integrated touch sensor substrate |
| TW201347125A (en) * | 2012-05-07 | 2013-11-16 | Au Optronics Corp | Touch panel, touch display panel and touch display apparatus |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI623862B (en) * | 2014-08-29 | 2018-05-11 | 寶宸（廈門）光學科技有限公司 | Touch panel |
| CN110442274A (en) * | 2018-05-03 | 2019-11-12 | 奕力科技股份有限公司 | Touch panel with narrow frame |
| CN110442274B (en) * | 2018-05-03 | 2023-04-28 | 奕力科技股份有限公司 | Touch panel with narrow frame |
| CN109002206A (en) * | 2018-06-30 | 2018-12-14 | 云谷（固安）科技有限公司 | The preparation method of touch-control structure, display device and touch-control structure |
| CN109002206B (en) * | 2018-06-30 | 2022-02-08 | 广州国显科技有限公司 | Touch structure, display device and preparation method of touch structure |
| CN109448570A (en) * | 2018-12-17 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display module |
| US11144170B2 (en) | 2018-12-17 | 2021-10-12 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and display module |
| WO2020133702A1 (en) * | 2018-12-25 | 2020-07-02 | 武汉华星光电半导体显示技术有限公司 | Narrow-bezel touch panel and manufacturing method |
| CN110413152A (en) * | 2019-07-17 | 2019-11-05 | 昆山龙腾光电有限公司 | Touch base plate, touch panel and touch control display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201539272A (en) | 2015-10-16 |
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Application publication date: 20140813 |