CN202584074U - Metal grid conducting layer and touch panel with same - Google Patents
Metal grid conducting layer and touch panel with same Download PDFInfo
- Publication number
- CN202584074U CN202584074U CN 201220206024 CN201220206024U CN202584074U CN 202584074 U CN202584074 U CN 202584074U CN 201220206024 CN201220206024 CN 201220206024 CN 201220206024 U CN201220206024 U CN 201220206024U CN 202584074 U CN202584074 U CN 202584074U
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- grid
- conductive layer
- metal grill
- metal
- zone
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Abstract
The utility model relates to a metal grid conducting layer and a touch panel with the same. The surface of the conducting layer comprises a transparent electrode region and an electrode lead region, and the transparent electrode region is provided with grids made of metal; the electrode lead region is also provided with grids made of metal; the grids of the transparent electrode region are random grids with irregular shapes; grid lines of the transparent electrode region are uniformly distributed in all angular directions; the grids of the electrode lead region are grids with regular shapes; and the grids are filled in a channel. Due to the adoption of the grids of the transparent electrode region of the metal grid conducting layer, conducting filling materials are more uniformly filled in the channel; in addition, the conducting filling materials are better connected with externally-connected conducting materials; and the transparent electrode region comprises the irregular grids so that no moire fringes are generated any more.
Description
Technical field
The utility model relates to the conductive layer technical field, especially relates to a kind of metal grill conductive layer and possesses the touch panel of this conductive layer.
Background technology
Touch-screen is the inductive arrangement that can receive the Touching controlling lamp input signal.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
The ITO layer is a vital ingredient in the touch-screen module.Though the develop rapidly at a tremendous pace of the manufacturing technology of touch-screen.But with the projecting type capacitor screen is example, and too big change does not take place the basic manufacturing process of ITO layer in recent years.Always inevitably need the ITO plated film, ITO is graphical, and the transparency electrode silver wire is made.This traditional making flow process is complicated and tediously long, so yield control has just become the present stage field of touch screen manufacturing difficult problem that is difficult to avoid.This in addition production method also inevitably need be used etching technics, and a large amount of ITO and metal material can be wasted.Therefore how to realize that it is a key technical problem that needs to be resolved hurrily that simple and ITO layer environmental protection of technology is made.
The printed electronics develop rapidly is for the problems referred to above provide feasible solution.PolyIC company has showed a kind of all print conductive metal film
POLYTC
?（http://www.polyic.com/poly-tc.php）。This film can have periodically the transparency electrode zone of metal grill and the silver wire of transparency electrode based on disposable the producing of printing technology.Like this, three making flow processs of ITO layer can be the single printing by abbreviation just, and have avoided etching technics, have controlled waste of material.
Yet POLYTC
Be based on traditional printing technology and be made, so it makes live width minimum and can only reach 10 μ m, transmitance greater than 85% prerequisite under, its grid cycle must be greater than 300 μ m.Therefore this grid naked eyes can clearly be discovered.
A kind of flush type metal grill based on nanometer embossing can be realized the silver-colored line processing of width less than 3 μ m.When experiment proved the regional silver-colored line of transparency electrode less than 3 μ m, human naked eyes can't be discovered.But the silver wire width of transparency electrode is generally more than 20 μ m.Yet under the identical prerequisite of gash depth, the live width difference means that the depth-to-width ratio of gash depth is different.Bigger depth-to-width ratio variation meeting causes great difficulty to the silver-colored fill process of groove.
The utility model content
The utility model is the deficiency that overcomes prior art, a kind of metal grill conductive layer is provided and possesses the touch panel of this conductive layer, and it is regional with contact conductor to use density different metal grid to make up the transparency electrode zone simultaneously; The metal grill in contact conductor zone is positioned at the sightless zone of user.
The technical matters that the utility model solved adopts following technical scheme to realize:
A kind of metal grill conductive layer, this conductive layer surface comprise transparency electrode zone and contact conductor zone, and said transparency electrode zone has the grid that is made up of metal, and said contact conductor zone has the grid that is made up of metal; Said grid is made up of the conductive material that is filled in the containing metal composition in the groove.
As optimized technical scheme, the grid in said contact conductor zone is the polygonal mesh of regular shape.
As optimized technical scheme; The grid in said transparency electrode zone is a random grid in irregular shape; The grid in said transparency electrode zone is made up of the mesh lines in transparency electrode zone, and the mesh lines in said transparency electrode zone is evenly distributed on all angles direction.
As optimized technical scheme, said random grid is the grid that irregular polygon constitutes; The mesh lines of said grid is a straight-line segment, and is evenly distributed with dextrad horizontal direction X axle angulation θ, the said θ value that evenly is distributed as each bar random grid of statistics; Then according to 5
oStep pitch, statistics drops on the Probability p of mesh lines in each angular interval
i, thus 0 ~ 180
o36 angular interval with interior obtain p
1, p
2To p
36p
iSatisfy standard deviation less than 20% of arithmetic equal value.
As optimized technical scheme, the relative transmitance of the grid in said contact conductor zone is less than 80%.
As optimized technical scheme, the xsect of said groove is approximate rectangular, and the ratio of the degree of depth of said groove and width is greater than 0.8, and said groove width is less than 10 μ m.
As optimized technical scheme, have alignment mark in the said conductive layer, said alignment mark has the grid that is made up of metal, and relative transmitance is less than 80%.
As optimized technical scheme, the structure of this conductive layer is: be made up of base material and conductive material at least from bottom to top; Or form by base material, polymeric material and conductive material at least from bottom to top; Or form by conductive material, base material and conductive material at least from bottom to top; Or form by conductive material, polymeric material, base material, polymeric material and conductive material at least from bottom to top; Wherein polymeric material is ultraviolet-curable materials, thermoplastic or thermosets.
A kind of touch panel possesses the above-mentioned metal grill conductive layer of a slice at least.
The beneficial effect that the utlity model has is:
(1) the utility model proposes the contact conductor zone and adopts mesh design, and when doing bonding with flexible PCB, the polymer moieties in the grid can be strengthened the bounding force between pin and the flexible PCB conducting resinl, improves the bonding firmness.Mesh design is adopted in the contact conductor zone, is one of innovative point of difference prior art;
(2) the utility model proposes the contact conductor zone and adopts the groove structure design, and groove width is less than 10 μ m; The groove width in transparency electrode zone and contact conductor zone has been unified in this design, is convenient to choosing of gash depth, is convenient to the technological parameter that unified follow-up conductive material is filled simultaneously, has improved the filling homogeneity of conductive material.The groove structure design is adopted in contact conductor zone, be the difference prior art innovative point two;
(3) the utility model proposes to use irregular grid to make up the transparency electrode zone, and the transparency electrode zone that is made up of irregular grid can not produce Moire fringe when being covered on the LCD surface; Service regeulations network or irregular grid make up the contact conductor zone, can produce Moire fringe though constitute the regular grid in contact conductor zone, and when pasting with the LCD surface, the contact conductor zone is positioned at the sightless zone of user.Irregular grid and regular grid are applied in the conductive layer simultaneously, be the difference prior art innovative point three.
Description of drawings
Fig. 1 is the cross sectional representation based on the metal grill conductive layer of flush type of the utility model;
Fig. 2 is the floor map based on the metal grill conductive layer of flush type of the utility model;
Fig. 3 is the enlarged drawing of K among Fig. 2;
Fig. 4 is the random grid synoptic diagram based on the metal grill conductive layer of flush type of the utility model;
Fig. 5 be the utility model based on every line segment in the random grid of the metal grill conductive layer of flush type with X axle angle θ;
Fig. 6 is that the Probability p based on every line segment in the random grid of the metal grill conductive layer of flush type and X axle angle of the utility model distributes;
Fig. 7 is the alignment mark synoptic diagram of the utility model;
Fig. 8 is the enlarged drawing of L among Fig. 7.
Embodiment
To combine accompanying drawing that the specific embodiment of present technique scheme is done further to specify below.
The conductive layer in the contact conductor zone of processing with the specification mesh shape
Present embodiment is as shown in Figure 1 based on the cross sectional representation of the metal grill conductive layer of flush type.Conductive layer is substrate PET 11 from bottom to top successively, and thickness is 188 μ m; Adhesion promoting layer 12; Esters of acrylic acid UV glue 13 with groove structure, gash depth 3 μ m, width 2.2 μ m; What fill in the groove is argent 14, and thickness is about 2 μ m less than gash depth.
Present embodiment is as shown in Figure 2 based on the floor map of the metal grill conductive layer of flush type.Conductive layer comprises transparency electrode zone 21 and contact conductor zone 22.Transparency electrode zone 21 is made up of the irregular polygon random grid, live width 2.2 μ m, and the mean diameter R of grid all is preferably 120 μ m, and transmitance is 96% relatively.Because the PET that is selected for use in the present embodiment is 91.4% at the mean transmissivity of visible light wave range, so the whole transmitance of transparency electrode is 87.72%.Contact conductor zone 22 is by live width 2.2 μ m, and the orthogonal grid line of cycles 8 μ m constitutes, and transmitance is 53.5% relatively.
Present embodiment is as shown in Figure 2 based on the floor map of the metal grill conductive layer of flush type; 22 ' be the enlarged drawing in contact conductor zone 22 among Fig. 3 wherein, can find out that contact conductor zone 22 ' is made up of the grid of rule by enlarged drawing; The lines of black are conductive region argents 14 in the contact conductor zone 22 '; White space is an insulating regions, and the white space in the contact conductor zone 22 ' is an esters of acrylic acid UV glue 13, and the conductive material that contact conductor zone 22 ' is connected with the external world can better bonding; Key is big more with degree, and bonding is good more.
The alignment mark 31 based on the conductive film of flush type metal grill of present embodiment is as shown in Figure 7.Alignment mark 31 also is by live width 2.2 μ m, and the orthogonal grid line of cycles 8 μ m constitutes, and transmitance is 53.5% relatively; Fig. 8 is the enlarged drawing of L among Fig. 7, can see that by Fig. 8 alignment mark 31 also is to be made up of latticed.
The job operation that is adopted in the present embodiment is a prior art, and in the present embodiment, the type of random grid is an isotropy irregular polygon grid, will be the angle distribution that example is analyzed its mesh lines below with the random grid of 5mm*5mm area as shown in Figure 4.
Random grid shown in Figure 4 comprises 4257 line segments altogether.As shown in Figure 5, that adds up every line segment obtains one-dimension array θ (1) ~ θ (4257) with X axle angle θ; And then with 5
oFor interval layout, with 0 ~ 180
oBe divided into 36 angular interval; Drop on each interval interior Probability p in the statistics line segment, obtain one-dimension array p (1) ~ p (36), as shown in Figure 6; At last according to the standard deviation computing formula:
N is 36 in the formula, and can obtain standard deviation s is 0.26%, and average probability is 2.78%.S/=9.31% it is thus clear that the mesh lines of above-mentioned random grid is very even in angle distribution, can effectively avoid the generation of Moire fringe thus.
In the present embodiment, the random grid in irregularly shaped transparency electrode zone can also be irregular cellular structure; In practical application, out-of-shape and acyclic random grid can be to be spliced through periodicity through aperiodic random grid unit, part, and the cycle of said splicing is greater than 1 millimeter.
A kind of touch panel of the utility model possesses Fig. 1-metal grill conductive layer shown in Figure 2.Its composition mode is the GFF pattern.Promptly this touch panel possesses the two-layer metal grill conductive layer that possesses These characteristics, has OCA glue between two-layer.
Substrate in the present embodiment can also be a glass; Esters of acrylic acid UV glue described in the embodiment with groove structure; Can substitute with having the organic materials such as ultraviolet-curable materials, thermoplastic or thermosets that same nature maybe can reach identical purpose equally, for example: PMMA, PC, PDMS etc. with UV glue.This metal grill conductive layer can also be a bilateral structure, and it can also be GG that the constituted mode of touch panel does not receive limitation, on-cell, GF2 pattern etc.The structure of the conductive layer in the present embodiment can for: form by base material and conductive material at least from bottom to top; Or form by base material, polymeric material and conductive material at least from bottom to top; Or form by conductive material, base material and conductive material at least from bottom to top; Or form by conductive material, polymeric material, base material, polymeric material and conductive material at least from bottom to top.Wherein polymeric material is ultraviolet-curable materials, thermoplastic or thermosets.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (9)
1. metal grill conductive layer; This conductive layer surface comprises transparency electrode zone and contact conductor zone; Said transparency electrode zone has the grid that is made up of metal, it is characterized in that, said contact conductor zone has the grid that the conductive material by the containing metal composition constitutes; Said grid is made up of the conductive material that is filled in the containing metal composition in the groove.
2. a kind of metal grill conductive layer according to claim 1 is characterized in that, the grid in said contact conductor zone is the polygonal mesh of regular shape.
3. a kind of metal grill conductive layer according to claim 1 and 2; It is characterized in that; The grid in said transparency electrode zone is a random grid in irregular shape; The grid in said transparency electrode zone is made up of the mesh lines in transparency electrode zone, and the mesh lines in said transparency electrode zone is evenly distributed on all angles direction.
4. a kind of metal grill conductive layer according to claim 3 is characterized in that, said random grid is the grid that irregular polygon constitutes; The mesh lines of said grid is a straight-line segment, and is evenly distributed with dextrad horizontal direction X axle angulation θ, the said θ value that evenly is distributed as each bar random grid of statistics; Then according to 5
oStep pitch, statistics drops on the Probability p of mesh lines in each angular interval
i, thus 0 ~ 180
o36 angular interval with interior obtain p
1, p
2To p
36p
iSatisfy standard deviation less than 20% of arithmetic equal value.
5. a kind of metal grill conductive layer according to claim 1 and 2 is characterized in that, the relative transmitance of the grid in said contact conductor zone is less than 80%.
6. a kind of metal grill conductive layer according to claim 1 and 2 is characterized in that the xsect of said groove is approximate rectangular, and the ratio of the degree of depth of said groove and width is greater than 0.8, and said groove width is less than 10 μ m.
7. a kind of metal grill conductive layer according to claim 1 and 2 is characterized in that having alignment mark in the said conductive layer, and said alignment mark has the grid that is made up of metal, and relative transmitance is less than 80%.
8. a kind of metal grill conductive layer according to claim 1 and 2 is characterized in that the structure of this conductive layer is: be made up of base material and conductive material at least from bottom to top; Or form by base material, polymeric material and conductive material at least from bottom to top; Or form by conductive material, base material and conductive material at least from bottom to top; Or form by conductive material, polymeric material, base material, polymeric material and conductive material at least from bottom to top; Wherein polymeric material is ultraviolet-curable materials, thermoplastic or thermosets.
9. a touch panel is characterized in that: possess the described metal grill conductive layer of the arbitrary claim of a slice claim 1-8 at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206024 CN202584074U (en) | 2012-05-09 | 2012-05-09 | Metal grid conducting layer and touch panel with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220206024 CN202584074U (en) | 2012-05-09 | 2012-05-09 | Metal grid conducting layer and touch panel with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202584074U true CN202584074U (en) | 2012-12-05 |
Family
ID=47253465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220206024 Expired - Lifetime CN202584074U (en) | 2012-05-09 | 2012-05-09 | Metal grid conducting layer and touch panel with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202584074U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166840A1 (en) * | 2012-05-09 | 2013-11-14 | 南昌欧菲光科技有限公司 | Conductive layer of metal grid and touch panel provided with conductive layer thereof |
| CN103425320A (en) * | 2013-02-04 | 2013-12-04 | 南昌欧菲光科技有限公司 | Transparent touch screen |
| US20140307178A1 (en) * | 2013-04-12 | 2014-10-16 | Shenzhen O-Film Tech Co., Ltd | Touch screen sensing module, manufacturing method thereof and display device |
| CN104956296A (en) * | 2013-01-29 | 2015-09-30 | 夏普株式会社 | Input apparatus, manufacturing method therefor, and electronic information device |
| CN113589972A (en) * | 2021-08-19 | 2021-11-02 | 业成科技（成都）有限公司 | Light emitting diode screen display structure and light emitting diode display unit set thereof |
-
2012
- 2012-05-09 CN CN 201220206024 patent/CN202584074U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013166840A1 (en) * | 2012-05-09 | 2013-11-14 | 南昌欧菲光科技有限公司 | Conductive layer of metal grid and touch panel provided with conductive layer thereof |
| CN104956296A (en) * | 2013-01-29 | 2015-09-30 | 夏普株式会社 | Input apparatus, manufacturing method therefor, and electronic information device |
| CN103425320A (en) * | 2013-02-04 | 2013-12-04 | 南昌欧菲光科技有限公司 | Transparent touch screen |
| US20140307178A1 (en) * | 2013-04-12 | 2014-10-16 | Shenzhen O-Film Tech Co., Ltd | Touch screen sensing module, manufacturing method thereof and display device |
| CN113589972A (en) * | 2021-08-19 | 2021-11-02 | 业成科技（成都）有限公司 | Light emitting diode screen display structure and light emitting diode display unit set thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANCHANG O-FILM TECH. CO., LTD. Free format text: FORMER OWNER: CUI ZHENG Effective date: 20121203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: 330026 NANCHANG, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121203 Address after: Huangjiahu road 330026 Jiangxi Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Address before: A Bindon Mons, Oxford, England 17 Patentee before: Cui Zheng |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20200226 Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: OFilm Group Co.,Ltd. Address before: Huangjiahu road 330026 Jiangxi Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: OFilm Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |