CN108153439B - Metal grid touch panel - Google Patents
Metal grid touch panel Download PDFInfo
- Publication number
- CN108153439B CN108153439B CN201611099049.2A CN201611099049A CN108153439B CN 108153439 B CN108153439 B CN 108153439B CN 201611099049 A CN201611099049 A CN 201611099049A CN 108153439 B CN108153439 B CN 108153439B
- Authority
- CN
- China
- Prior art keywords
- lead
- metal
- wire
- metal thin
- touch
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 title claims abstract description 111
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 claims description 4
- 210000001624 hip Anatomy 0.000 claims description 3
- 238000005530 etching Methods 0.000 abstract description 13
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides a metal grid touch panel, belong to touch technical field, including touch sensing area and the lead wire region that adjoins the touch sensing area, touch sensing area includes many touch electrode, lead wire region includes many leads and sets up in lead wire region and touch sensing area phase adjacency department and lie in a plurality of lead wires of lead wire one end, every touch electrode comprises a plurality of metal grid lines, the lead wire is connected through a plurality of metal fine rule to the metal grid line, metal fine rule one end is connected the metal grid line, the other end links to each other perpendicularly with the lead wire. The metal grid touch panel provided by the embodiment of the invention can effectively solve the problem that the connection part of the metal grid lines and the lead ends is easily broken by etching.
Description
Technical Field
The invention relates to the technical field of touch control, in particular to a metal grid touch control panel.
Background
Fig. 1 is a schematic structural diagram of a metal mesh touch panel (hereinafter referred to as a "touch panel") in the prior art, and as shown in fig. 1, a touch panel 10 includes a touch sensing area 20 and a lead area 30 adjacent to and surrounding the touch sensing area 20. The touch sensing area 20 includes a plurality of touch electrodes 21, the lead area 30 includes a plurality of leads 31, and a plurality of lead terminals 33 disposed adjacent to the lead area 30 and located at one end of each of the leads 31. Each touch electrode 21 is composed of a plurality of metal grid lines 21a which are mutually staggered, and each touch electrode 21 is connected with at least one lead end 33.
Fig. 2 is an enlarged view of a portion a of fig. 1, and as shown in fig. 2, the plurality of metal grid lines 21a on the touch electrode 21 are directly connected to the lead terminal 33. The plurality of touch electrodes 21, the plurality of lead terminals 33 and the plurality of leads 31 are all formed by an etching process, in which an etching solution forms a circular arc-shaped surface at the contact surface with the metal to be etched under the action of surface tension, whereas in the prior art, the plurality of metal grid lines 21a are directly connected to the lead terminals 33, so that the included angle between the metal grid lines 21a and the lead terminals 33 is an acute angle, and therefore, the connection between the metal grid lines 21a and the lead terminals 33 is easily etched and broken, thereby generating defective products.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a metal grid touch panel, which effectively solves the problem that the connection part of a metal grid line and a lead terminal is easily etched.
The utility model provides a metal grid touch panel, including touch-control sensing area and the lead wire region that adjoins this touch-control sensing area, this touch-control sensing area includes many touch-control electrodes, this lead wire region includes many leads and sets up in this lead wire region and this touch-control sensing area adjoin department and lie in a plurality of lead terminals of these lead wires one end, every this touch-control electrode comprises a plurality of metal grid line, this lead terminal is connected through a plurality of fine metal lines to this metal grid line, this fine metal line one end is connected this metal grid line, the other end links to each other perpendicularly with this lead terminal.
In a preferred embodiment of the present invention, the metal grid lines, the metal thin lines and the lead terminals are integrally formed.
In a preferred embodiment of the present invention, a circular arc chamfer is formed at a vertical connection position of the metal thin wire and the lead end, the circular arc chamfer is smoothly connected with the metal thin wire and the lead end, and a convex surface of the circular arc chamfer faces to a point where the metal thin wire and the lead end are connected with each other.
In a preferred embodiment of the present invention, a protecting portion is disposed at an end of the thin metal wire connected to the lead terminal, and the protecting portion is formed together with the thin metal wire and the lead terminal in the same process.
In a preferred embodiment of the present invention, the protection portion is an isosceles right triangle, the right-angle vertex of the isosceles right triangle is located on the metal wire, and both of the two oblique sides of the protection portion are located at one end point of the lead end, and the other end point of the protection portion is located on the metal wire.
In a preferred embodiment of the present invention, the protection portion is in the shape of an isosceles triangle, wherein the vertex angle of the isosceles triangle is located on the metal thin wire and the vertex angle is between 20 ° and 70 °, two waists of the protection portion are both one end point of the metal thin wire, and the other end point is located at the lead end.
In a preferred embodiment of the present invention, the protection portion is in a circular arc shape, both end points of the protection portion are located at the lead end, and the concave surface of the protection portion faces towards the intersection point of the thin metal wire and the lead end.
According to the metal grid touch panel provided by the preferred embodiment of the invention, one end of the metal thin wire is connected with the metal grid lines, and the other end of the metal thin wire is vertically connected with the lead end or is connected with the lead end through the protection part, so that the included angle between the metal thin wire and the lead end is a non-acute angle, and the connection part of the metal thin wire and the lead end is not easy to be etched and broken.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of a metal mesh touch panel in the prior art.
Fig. 2 is an enlarged partial schematic view of the portion a in fig. 1.
Fig. 3 is a schematic structural diagram of a metal mesh touch panel according to an embodiment of the invention.
FIG. 4 is an enlarged view of a portion A' of FIG. 3 in a preferred embodiment of the present invention.
FIG. 5 is an enlarged partial schematic view of the portion A' of FIG. 3 in an alternative embodiment of the invention.
FIG. 6 is an enlarged partial schematic view of portion A' of FIG. 3 in another alternative embodiment of the invention.
Fig. 7 is an enlarged partial schematic view of the portion a' of fig. 3 in yet another alternative embodiment of the invention.
FIG. 8 is an enlarged partial schematic view of the portion A' of FIG. 3 in yet another alternative embodiment of the invention.
Detailed Description
In order to describe the metal grid touch panel provided by the embodiment of the invention, the following is a detailed description with reference to the accompanying drawings and the text.
In the preferred embodiment of the present invention, a metal grid touch panel 50 (hereinafter referred to as a "panel") is provided, and fig. 3 is a schematic structural diagram of the metal grid touch panel in the embodiment of the present invention, as shown in fig. 3, the panel 50 includes a touch sensing area 60 and a lead area 70 adjacent to the touch sensing area 60. The touch sensing area 60 includes a plurality of touch electrodes 61, and the lead area 70 includes a plurality of leads 71 and a plurality of lead terminals 73 disposed adjacent to the lead area 70 of the touch sensing area 60 and located at one end of each of the leads 71.
Fig. 4 is an enlarged view of a portion a' of fig. 3 in a portion of the preferred embodiment of the present invention, as shown in fig. 4, each of the touch electrodes 61 is composed of a plurality of metal grid lines 61a interlaced with each other, and each of the touch electrodes 61 is connected to at least one of the lead terminals 73. The plurality of metal grid lines 61a may be nano silver wires, copper wires, or thin wires made of other metal materials, and in this embodiment, the plurality of metal grid lines 61a are copper wires.
The plurality of metal grid lines 61a are connected to the lead terminal 73 by a plurality of metal thin lines 61b parallel to each other and connected to the lead terminal 73, and each of the metal thin lines 61b has one end connected to the metal grid line 61a and the other end connected perpendicularly to the lead terminal 73. The metal grid lines 61a, the metal thin lines 61b, and the lead terminals 73 are integrally formed.
It will be appreciated that one end of the thin metal wire 61b is connected to the metal grid line 61a, and the other end is connected to the lead terminal 73 perpendicularly, so that the angle between the thin metal wire 61b and the lead terminal 73 is 90 °, and the connection between the thin metal wire 61b and the lead terminal 73 is not easily broken by etching.
Fig. 5 is a partially enlarged schematic view of a portion a' in fig. 3 in a modified embodiment of the present invention, as shown in fig. 5, in the modified embodiment, a circular arc chamfer 73a is provided at a position where the thin metal wire 61b is perpendicularly connected to the lead terminal 73, the circular arc chamfer is smoothly connected to both the thin metal wire and the lead terminal, and a convex surface of the circular arc chamfer faces a point where the thin metal wire and the lead terminal are connected to each other. It is understood that in the etching process, the circular arc surface formed by the etching liquid under the surface tension is tangent to the circular arc chamfer 73a, thereby avoiding unnecessary corrosion of the thin metal wire 61b and the lead terminal 73 by the etching liquid.
Fig. 6 is a partially enlarged schematic view of a portion a' in fig. 3 in another variant embodiment of the present invention, as shown in fig. 6, in the other variant embodiment, a protecting portion 61c is provided at an end of the thin metal wire 61b connected to the lead end 73, the protecting portion 61c is triangular, and it is understood that the protecting portion 61c is provided at an end of the thin metal wire 61b connected to the lead end 73, such that an included angle between the thin metal wire 61b and the lead end 73 is an obtuse angle, thereby minimizing corrosion of the etching solution to the interconnection between the thin metal wire 61b and the lead end 73.
Preferably, in this variant embodiment, the protection portion 61c is in the form of an isosceles right triangle, and the right-angled vertices of the isosceles right triangle are located on the thin metal wire 61b, and both hypotenuses thereof are located at one end point on the lead end, and the other end point is located on the thin metal wire. It can be understood that the protecting portion 61c is in an isosceles right triangle shape, so that the first included angle 81 between the protecting portion 61c and the lead end 73 and the second included angle 83 between the protecting portion 61c and the thin metal wire 61b are both 135 °, that is, the first included angle 81 and the second included angle 83 are equal in size, so that the etching degree of the etching solution on the first included angle 81 and the second included angle 83 is the same, and the breakage of the thin metal wire 61b caused by overetching of the single point by the etching solution is avoided.
Fig. 7 is an enlarged partial view of the portion a' in fig. 3 in a further variant embodiment of the present invention, as shown in fig. 7, in which the protection portion 61c is in the shape of an isosceles triangle, the apex angle of the isosceles triangle is located on the thin metal wire 61b, two waists of the isosceles triangle are both one end point of the thin metal wire, the other end point is located on the lead end, and the apex angle is between 20 ° and 70 °. It is understood that the protecting portion 61c is an isosceles triangle, and the vertex angle of the isosceles triangle is located on the thin metal wire 61b, the vertex angle is between 20 ° and 70 °, such that the second included angle 83 between the protecting portion 61c and the thin metal wire 61b is between 145 ° and 170 °, the first included angle 81 between the second included angle 83 and the protecting portion 61c and the lead end 73 is an obtuse angle, and the second included angle 83 is greater than the first included angle 81. Because the lead terminal 73 is thicker and has better corrosion resistance, the design can better protect the weaker second included angle 83, and the corrosion degree of etching liquid to the interconnection of the metal thin wire 61b and the lead terminal 73 is reduced to the minimum, so that the generation of defective products is avoided.
Fig. 8 is a partially enlarged schematic illustration of a portion a' in fig. 3 in a further variant embodiment of the invention, as shown in fig. 8, in the further variant embodiment, the connection portion includes a plurality of protection portions 61c, each of the protection portions 61c is disposed at one end of the thin metal wire 61b connected to the lead end 73, the protection portion 61c has a circular arc shape, two ends of the circular arc shape are both located at the lead end, and a concave surface of the protection portion faces toward an intersection point of the thin metal wire and the lead end. It is understood that the protection portion 61c having a circular arc shape is provided at the end of the thin metal wire 61b connected to the lead terminal 73 such that an angle between the thin metal wire 61b and the lead terminal 73 is an obtuse angle, thereby minimizing the degree of corrosion of the interconnect of the thin metal wire 61b and the lead terminal 73 by the etching solution.
In the metal grid touch panel 50 provided by the preferred embodiment of the invention, one end of the metal thin wire 61b is connected with the metal grid line 61a, and the other end is vertically connected with the lead end 73 or connected with the lead end 73 through the protecting part 61c, so that the included angle between the metal thin wire 61b and the lead end 73 is not an acute angle, and the connection part between the metal thin wire 61b and the lead end 73 is not easy to be etched and broken.
The above preferred embodiments of the metal mesh touch panel provided by the present invention should not be construed as limiting the scope of the claims, and those skilled in the art should understand that various modifications and substitutions can be made without departing from the spirit of the invention, and all the modifications and substitutions should be within the scope of the claims, i.e. the scope of the claims shall be based on the claims.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
Claims (4)
1. A metal grid touch panel, which comprises a touch sensing area and a lead area adjacent to the touch sensing area, wherein the touch sensing area comprises a plurality of touch electrodes, the lead area comprises a plurality of leads and a plurality of lead ends arranged at the adjacent positions of the lead area and the touch sensing area and positioned at one ends of the leads, each touch electrode is composed of a plurality of metal grid lines,
the metal grid lines are connected with the lead ends through a plurality of metal thin lines, one end of each metal thin line is connected with the corresponding metal grid line, the other end of each metal thin line is vertically connected with the corresponding lead end, and the metal grid lines, the metal thin lines and the corresponding lead ends are integrally formed;
the wire lead comprises a wire lead end, a metal thin wire, a wire lead and a wire lead, wherein an arc chamfer is formed at the vertical connection position of the metal thin wire and the wire lead end, the arc chamfer is smoothly connected with the metal thin wire and the wire lead end, and the convex surface of the arc chamfer faces to the point where the metal thin wire and the wire lead end are connected with each other;
or, a protecting part is arranged at one end of the metal thin wire connected with the lead terminal, and the protecting part, the metal thin wire and the lead terminal are manufactured together in the same process.
2. The metal mesh touch panel according to claim 1, wherein,
the protection part is an isosceles right triangle, the right-angle vertex of the protection part is positioned on the metal thin wire, two bevel edges of the protection part are both end points positioned at the lead end, and the other end point is positioned on the metal thin wire.
3. The metal mesh touch panel according to claim 1, wherein,
the protection part is an isosceles triangle, the vertex angle of the isosceles triangle is positioned on the metal thin wire, the vertex angle is between 20 degrees and 70 degrees, two waists of the protection part are both provided with one end point which is positioned on the metal thin wire, and the other end point is positioned on the lead end.
4. The metal mesh touch panel according to claim 1, wherein,
the protection part is arc-shaped, two end points of the protection part are both positioned at the lead end, and the concave surface of the protection part faces towards the intersection point of the metal thin wire and the lead end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099049.2A CN108153439B (en) | 2016-12-04 | 2016-12-04 | Metal grid touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611099049.2A CN108153439B (en) | 2016-12-04 | 2016-12-04 | Metal grid touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108153439A CN108153439A (en) | 2018-06-12 |
| CN108153439B true CN108153439B (en) | 2024-01-09 |
Family
ID=62469562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611099049.2A Active CN108153439B (en) | 2016-12-04 | 2016-12-04 | Metal grid touch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108153439B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202394197U (en) * | 2011-09-23 | 2012-08-22 | 宸鸿科技(厦门)有限公司 | Touch panel |
| JP2013131156A (en) * | 2011-12-22 | 2013-07-04 | Fujifilm Corp | Conductive sheet and touch panel |
| CN103197798A (en) * | 2013-04-02 | 2013-07-10 | 深圳欧菲光科技股份有限公司 | Touch screen |
| CN103425320A (en) * | 2013-02-04 | 2013-12-04 | 南昌欧菲光科技有限公司 | Transparent touch screen |
| CN103677410A (en) * | 2013-12-02 | 2014-03-26 | 合肥京东方光电科技有限公司 | Touch base plate, touch screen and display device |
| CN104375710A (en) * | 2014-12-04 | 2015-02-25 | 合肥鑫晟光电科技有限公司 | Metal grid, touch screen and display device |
| CN204331661U (en) * | 2014-12-04 | 2015-05-13 | 合肥鑫晟光电科技有限公司 | A kind of metal grill, touch-screen and display device |
| CN106170751A (en) * | 2014-05-16 | 2016-11-30 | 富士胶片株式会社 | Touch panel conducting strip and capacitive touch panel |
| CN206348768U (en) * | 2016-12-04 | 2017-07-21 | 深圳莱宝高科技股份有限公司 | Metal grill contact panel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9179557B2 (en) * | 2013-03-30 | 2015-11-03 | Shenzhen O-Film Tech Co., Ltd. | Touch screen and method of producing the same |
| CN203930728U (en) * | 2014-04-21 | 2014-11-05 | 介面光电股份有限公司 | The electrical connection regional structure of touch control electrode layer |
-
2016
- 2016-12-04 CN CN201611099049.2A patent/CN108153439B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202394197U (en) * | 2011-09-23 | 2012-08-22 | 宸鸿科技(厦门)有限公司 | Touch panel |
| JP2013131156A (en) * | 2011-12-22 | 2013-07-04 | Fujifilm Corp | Conductive sheet and touch panel |
| CN103425320A (en) * | 2013-02-04 | 2013-12-04 | 南昌欧菲光科技有限公司 | Transparent touch screen |
| CN103197798A (en) * | 2013-04-02 | 2013-07-10 | 深圳欧菲光科技股份有限公司 | Touch screen |
| CN103677410A (en) * | 2013-12-02 | 2014-03-26 | 合肥京东方光电科技有限公司 | Touch base plate, touch screen and display device |
| CN106170751A (en) * | 2014-05-16 | 2016-11-30 | 富士胶片株式会社 | Touch panel conducting strip and capacitive touch panel |
| CN104375710A (en) * | 2014-12-04 | 2015-02-25 | 合肥鑫晟光电科技有限公司 | Metal grid, touch screen and display device |
| CN204331661U (en) * | 2014-12-04 | 2015-05-13 | 合肥鑫晟光电科技有限公司 | A kind of metal grill, touch-screen and display device |
| CN206348768U (en) * | 2016-12-04 | 2017-07-21 | 深圳莱宝高科技股份有限公司 | Metal grill contact panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108153439A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6663714B2 (en) | Crimp terminals and connectors | |
| CN106843625B (en) | Reduced visibility metal grid structure and method of making the same | |
| CN104582352A (en) | Electronic device casing and space pattern structure thereof | |
| CN112445360B (en) | Touch screen and display device | |
| JP4532462B2 (en) | Press-fit terminal | |
| CN203368913U (en) | Flexible printed circuit | |
| CN108153439B (en) | Metal grid touch panel | |
| CN108345417A (en) | touch control device | |
| CN206348768U (en) | Metal grill contact panel | |
| WO2015118930A1 (en) | Female terminal | |
| CN204632980U (en) | Grid type contact | |
| JP2015210941A (en) | Contact connection structure | |
| JP6258660B2 (en) | Female terminal and connection structure | |
| JP2010123291A (en) | Crimp style terminal | |
| CN106159505A (en) | Electric connector terminal group | |
| JP6440468B2 (en) | Crimp terminal | |
| CN203788367U (en) | Mobile phone camera with gold finger interface | |
| CN215068163U (en) | Touch screen sensor and touch screen with same | |
| CN211479792U (en) | Protective device | |
| JP6301723B2 (en) | Contact connection structure | |
| CN214153801U (en) | Pencil cutter | |
| JP6108997B2 (en) | Wiring cover | |
| KR101344935B1 (en) | contact for connector | |
| WO2015122329A1 (en) | Female terminal | |
| JP6235523B2 (en) | Contact connection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |