CN108376042A - Metal grill sensor and touch screen and preparation method thereof and equipment - Google Patents
Metal grill sensor and touch screen and preparation method thereof and equipment Download PDFInfo
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- CN108376042A CN108376042A CN201810424009.3A CN201810424009A CN108376042A CN 108376042 A CN108376042 A CN 108376042A CN 201810424009 A CN201810424009 A CN 201810424009A CN 108376042 A CN108376042 A CN 108376042A
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims description 250
- 238000000576 coating method Methods 0.000 claims description 22
- 238000007639 printing Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000002346 layers by function Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013007 heat curing Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- 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
-
- 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
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of metal grill sensor and touch screen and preparation method thereof and equipment, are related to technical field of touch control, a kind of metal grill sensor, including：(A) release layer that can be removed, and (B) are set to the sensor function layer of one side surface of the release layer；The metal grill sensor does not include sensor base layer.The technical issues of metal grill sensor of the prior art can be solved using the metal grill sensor to be effectively bonded with 3D bend glasses has reached the technique effect for improving product yield and reducing production cost.
Description
Technical field
The present invention relates to touch-control field, more particularly, to a kind of metal grill sensor and touch screen and preparation method thereof with
Equipment.
Background technology
Metal grill sensor (Metal-Mesh-Sensor, abbreviation MM Sensor) is a kind of current emerging touch-control
Sensor, MM Sensor touch technologies are compared for the first generation and the original touch technology of the second generation, have low-power consumption, touch-control spirit
Quick, the features such as service life is long, the more characteristics such as flexible, waterproof anti-explosion, pollution-free.These exclusive characteristics make MM
Sensor gradually becomes the new lover in touch field.
Metal grill sensor is that the conductive functional layers using metal grill as sensor realize induction and driving function.Mesh
The structure of preceding metal grill sensor mainly by as sensor base layer PET/COP base materials and be set to PET/COP bases
The sensor function layer on material surface is constituted.In the structure, when assembling touch screen with glass cover-plate, sensor function layer and glass
Cover board contacts.Due in the metal grill sensor of the structure there are PET/COP base materials, the thickness of metal grill sensor compared with
Thickness, it is not pliable, it can not be fitted closely with 3D glass, it is bad that fold or bubble etc. are easy tod produce after fitting.Therefore, traditional gold
Belong to grid sensor structure and has been unable to meet the fast-developing demand with 3D curved surface form screen products.
In view of this, special propose the present invention.
Invention content
The first object of the present invention is to provide a kind of metal grill sensor, to solve the metal grill biography of the prior art
The technical issues of sensor cannot be effectively bonded with 3D bend glasses.
The second object of the present invention is to provide a kind of preparation method of metal grill sensor, this method processing step letter
It is single, it is easy to operate and realize.
The third object of the present invention is to provide a kind of touch screen, and the fourth object of the present invention is to provide a kind of touch screen
Preparation method, to solve easily to occur in prior art 3D bend glass touch screen production processes, fold and bubble etc. are undesirable to ask
Topic.
In order to realize that the above-mentioned purpose of the present invention, spy use following technical scheme：
A kind of metal grill sensor, including：
(A) release layer that can be removed, and
(B) it is set to the sensor function layer of one side surface of the release layer；
The metal grill sensor does not include sensor base layer.
Further, the sensor function layer includes：
First transparent insulating layer and the first conductive layer being set on first transparent insulating layer, and,
Second transparent insulating layer and the second conductive layer being set on second transparent insulating layer, described second is transparent exhausted
Edge layer is between first conductive layer and second conductive layer；
First transparent insulating layer is contacted with the release layer.
Further, first transparent insulating layer is the first LOCA layers.
Further, the described first LOCA layers thickness be 75-125 microns.
Further, second transparent insulating layer is the 2nd LOCA layers.
Further, the described 2nd LOCA layers thickness be 75-125 microns.
A kind of preparation method of metal grill sensor prepares sensor function layer in one side surface of the release layer, obtains
To the metal grill sensor.
Further, it is sequentially prepared the first transparent insulating layer in one side surface of the release layer, the first conductive layer, second thoroughly
Bright insulating layer and the second conductive layer obtain the metal grill sensor；
Preferably, the first transparent insulating layer is prepared in the release layer surface using coating process；
Preferably, the first groove pattern is formed in the first transparent insulation layer surface pressure fluting, then using printing
Technique fills metal paste in first groove pattern, obtains the first conductive layer after drying；
Preferably, the second transparent insulating layer is prepared in first conductive layer surface using coating process；
Preferably, the second groove pattern is formed in the second transparent insulation layer surface pressure fluting, then using printing
Technique fills metal paste in second groove pattern, obtains the second conductive layer after drying.
A kind of touch screen, including：
(A) glass cover-plate, and
(B) it is set to the sensor function layer of one side surface of the glass cover-plate；
The touch screen does not include sensor base layer.
A kind of preparation method of touch screen first prepares sensor function layer in one side surface of release layer, obtains the metal
Grid sensor；Then release layer is removed, the sensor function layer is bonded with glass cover-plate, obtains the touch
Screen.
A kind of equipment, including above-mentioned touch screen.
Compared with the prior art, the present invention has the advantages that：
Metal grill sensor provided by the invention includes the release layer removed when assembly and is set to the release layer
The sensor function layer of one side surface, meanwhile, do not include being used as sensor base in metal grill sensor provided by the invention
The PET/COP base materials of layer.When the metal grill sensor to be bonded with 3D bend glass cover boards, release layer is removed,
At this point, having only included sensor function layer in the sensor being bonded with 3D bend glass cover boards.Due to eliminating sensor base
Layer, therefore, the more frivolous softness of metal grill sensor of the invention has better ductility and flexible energy, is
3D bend glass cover boards fitting after, can effectively reduce fitting generate in the process bubble and fold the problems such as, improve product
Yield reduces the cost of manufacture of metal grill sensor.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the stacked structure schematic diagram of the metal grill sensor in one embodiment of the present invention；
Fig. 2 is the structural schematic diagram after LOCA layers of preparation the first in one embodiment of the present invention；
Fig. 3 is the cross-sectional view that-A-A locates in structure shown in Fig. 2；
Fig. 4 is to prepare the structural schematic diagram after the first conductive layer in one embodiment of the present invention；
Fig. 5 is the cross-sectional view at B-B in structure shown in Fig. 4；
Fig. 6 is the structural schematic diagram of the touch screen in one embodiment of the present invention.
Icon：10- sensor function layers；11- release layers；LOCA layers of 12- the first；The first conductive layers of 13-；14-
Two LOCA layers；The second conductive layers of 15-；The first groove patterns of 16-；20-3D glass cover-plates.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
One aspect of the present invention provides a kind of metal grill sensor, including：
(A) release layer that can be removed, and
(B) it is set to the sensor function layer of one side surface of the release layer；
The metal grill sensor does not include sensor base layer.
Metal grill sensor provided by the invention includes the release layer removed when assembly and is set to the release layer
The sensor function layer of one side surface, meanwhile, do not include being used as sensor base in metal grill sensor provided by the invention
The PET/COP base materials of layer.When the metal grill sensor to be bonded with 3D bend glass cover boards, release layer is removed,
At this point, having only included sensor function layer in the sensor being bonded with 3D bend glass cover boards.Due to eliminating sensor base
Layer, therefore, the more frivolous softness of metal grill sensor of the invention has better ductility and flexible energy, is
3D bend glass cover boards fitting after, can effectively reduce fitting generate in the process bubble and fold the problems such as, improve product
Yield reduces the cost of manufacture of metal grill sensor.
In certain embodiments of the present invention, the sensor function layer includes：It first transparent insulating layer and is set to
The first conductive layer on first transparent insulating layer, and, the second transparent insulating layer and it is set to second transparent insulation
The second conductive layer on layer, second transparent insulating layer is between first conductive layer and second conductive layer；Institute
The first transparent insulating layer is stated to contact with the release layer.
Wherein, the first conductive layer and the second conductive layer are respectively used to incude and drive.First conductive layer and the second conductive layer
Between completely cut off by second insulating layer, generate short circuit to avoid the first conductive layer and the second conductive layer.
In certain embodiments of the present invention, first transparent insulating layer is the first LOCA layers.Select optics of liquids
Glue (Liquid Optical Clear Adhesive, abbreviation LOCA) is used as adhesive layer, it is ensured that the light transmittance of sensor,
Facilitate preparation simultaneously, such as rubbing method can be used and prepare the first transparent insulating layer.
Wherein, the first LOCA layers thickness be 75-125 microns.First LOCA layers thickness for example can be 75 microns,
80 microns, 85 microns, 90 microns, 100 microns, 110 microns or 125 microns.
In certain embodiments of the present invention, second transparent insulating layer is the 2nd LOCA layers；Optionally, described
Two LOCA layers of thickness is 75-125 microns.2nd LOCA layers thickness for example can be 75 microns, 80 microns, 85 microns, 90
Micron, 100 microns, 110 microns or 125 microns.
The second aspect of the invention provides a kind of preparation method of metal grill sensor, in the release layer side
Surface prepares sensor function layer, obtains the metal grill sensor.
The specific preparation method that sensor function layer is not limited in the preparation method of the present invention, for example, sensor function
Preparing for layer can utilize the processes such as traditional plated film, yellow light, development and etching, and the is sequentially prepared in one side surface of the release layer
One transparent insulating layer, the first conductive layer, the second transparent insulating layer and the second conductive layer obtain the metal grill sensor.
In order to reduce difficulty of processing, simplified processing step avoids the complexity of the techniques such as plated film, yellow light, development and etching,
In certain embodiments of the present invention, the first transparent insulating layer is prepared in the release layer surface using coating process；It is optional
Ground forms the first groove pattern in the first transparent insulation layer surface pressure fluting, then uses printing technology described the
Metal paste is filled in one groove pattern, obtains the first conductive layer after drying；Optionally, using coating process described first
Conductive layer surface prepares the second transparent insulating layer；Optionally, second is formed in the second transparent insulation layer surface pressure fluting
Then groove pattern fills metal paste in second groove pattern using printing technology, obtains second after drying and lead
Electric layer.
In certain embodiments of the present invention, the preparation method of metal grill sensor includes the following steps：
A) using coating process is blown down in release film surface one layer of LOCA of coating, coating thickness is 75-125 μm, LOCA classes
Type can be acrylic system LOCA or UV systems LOCA；Coating speed is 5-10mm/s, air pressure 0.1-0.5MPa；
B) LOCA semi-solid preparations：The semi-solid preparation that acrylic system LOCA is completed using heat cure is cured using UV and completes UV systems
The semi-solid preparation of LOCA makes LOCA layers to reach g., jelly-like effect, obtains the first LOCA layers；
Acrylic system LOCA uses heat cure, solidification energy 300-400mj/mm2；
UV systems LOCA uses UV photocurings, solidification energy 50-150mj/mm2；
C) pressure carves the first groove pattern：The first LOCA layers of the first groove pattern of formation, pressure when pressure is carved are carved using cutting die pressure
Power 300-400kg, speed 10-15mm/s, it is 3-5 μm to press the depth of the groove at quarter and width；
D) the first conductive layer is printed：Silver paste is printed in the first groove pattern using silk-screen printing technique, halftone when printing
Spacing between the first LOCA is 2-4mm, and print speed printing speed 50-150mm/s, print pass can be twice, to avoid biting；
Acid solution (such as HNO is utilized later3And/or HCL) removal silver paste residue, obtain the first conductive layer；
E) in the first LOCA layers and the first conductive layer surface repetition step a)~d) prepare the 2nd LOCA layers and the second conduction
The metal grill sensor is obtained after layer.
MM Sensor in the embodiment, without PET/COP base materials, lack compared with traditional MM Sensor in making
The process that OCA is bonded with PET/COP base materials.In addition, the preparation method process in the embodiment is simple, biography can not be used
The preparation processes such as plated film, yellow light, development and the etching of MM Sensor of system, rely solely on coating and printing can be obtained by, from
And the processing procedure of MM Sensor is simplified, production cost can not only be reduced, the operable of MM Sensor processing procedures is improved
Property, moreover it is possible to promote product yield and production efficiency.
The third aspect, the present invention provides a kind of touch screens, including：
(A) glass cover-plate, and
(B) it is set to the sensor function layer of one side surface of the glass cover-plate；
The touch screen does not include sensor base layer.
Touch screen provided by the invention, due to not including the PET/COP base materials as sensor base layer, can have
The phenomenon that effect avoids sensor function layer from bubble and fold occur during being bonded with 3D glass cover-plates improves product fitting
Yield and efficiency.
In certain embodiments of the present invention, the sensor function layer includes：
First transparent insulating layer and the first conductive layer being set on first transparent insulating layer, and,
Second transparent insulating layer and the second conductive layer being set on second transparent insulating layer, described second is transparent exhausted
Edge layer is between first conductive layer and second conductive layer；
First transparent insulating layer is contacted with the glass cover-plate.
In certain embodiments of the present invention, first transparent insulating layer is the first LOCA layers, and described second is transparent
Insulating layer is the 2nd LOCA layers.
In certain embodiments of the present invention, the described first LOCA layers thickness and the described 2nd LOCA layers thickness it is equal
It is 75-125 microns.
In another aspect, the present invention provides a kind of preparation method of touch screen, first prepares and sense in one side surface of release layer
Device functional layer obtains the metal grill sensor；Then release layer is removed, by the sensor function layer and glass cover-plate
It is bonded, is bonded the sensor function layer with glass cover-plate for example, by using vacuum abutted technology, obtain described touch
Touch screen.
In certain embodiments of the present invention, the preparation method of touch screen includes the following steps：
A) using coating process is blown down in release film surface one layer of LOCA of coating, coating thickness is 75-125 μm, LOCA classes
Type can be acrylic system LOCA or UV systems LOCA；Coating speed is 5-10mm/s, air pressure 0.1-0.5MPa；
B) LOCA semi-solid preparations：The semi-solid preparation that acrylic system LOCA is completed using heat cure is cured using UV and completes UV systems
The semi-solid preparation of LOCA makes LOCA layers to reach g., jelly-like effect, obtains the first LOCA layers；
Acrylic system LOCA uses heat cure, solidification energy 300-400mj/mm2；
UV systems LOCA uses UV photocurings, solidification energy 50-150mj/mm2；
C) pressure carves the first groove pattern：The first LOCA layers of the first groove pattern of formation, pressure when pressure is carved are carved using cutting die pressure
Power 300-400kg, speed 10-15mm/s, it is 3-5 μm to press the depth of the groove at quarter and width；
D) the first conductive layer is printed：Silver paste is printed in the first groove pattern using silk-screen printing technique, halftone when printing
Spacing between the first LOCA is 2-4mm, and print speed printing speed 50-150mm/s, print pass can be twice, to avoid biting；
Acid solution (such as HNO is utilized later3And/or HCL) removal silver paste residue, obtain the first conductive layer；
E) in the first LOCA layers and the first conductive layer surface repetition step a)~d) prepare the 2nd LOVA layers and the second conduction
The metal grill sensor is obtained after layer；
F) release film in metal grill sensor is removed, using vacuum abutted technology by sensor function layer and glass cover
Plate is bonded, vacuum abutted 230 ± 10Torr of pressure, laminate pressure 700-1200 ㎏, is bonded time 4-6s, after fitting
To touch screen.
In another aspect, the present invention provides a kind of equipment, including above-mentioned touch screen.
The equipment can be mobile phone or computer, can also be that other carry the automated machine equipment of touch panel.
Below in conjunction with embodiment and comparative example, the present invention will be further described in detail.
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of metal grill sensor, including 11 He of release layer removed when assembly
It is set to the sensor function layer 10 of 11 1 side surface of release layer, which does not include sensor base layer.
Sensor function layer 10 includes：First LOCA layers 12, the first conductive layer 13, the 2nd LOCA layers 14 and the second conductive layer
15；First LOCA layers 12 are equipped with the first conductive layer 13, and the 2nd LOCA layers 14 are equipped with the second conductive layer 15, the 2nd LOCA layers 14
Insulating effect is played between the first conductive layer 13 and the second conductive layer 15；First LOCA layers 12 are contacted with release layer 11.
Embodiment 2
With reference to shown in Fig. 2-5, the present embodiment is the preparation method for the metal grill sensor that embodiment 1 provides, including with
Lower step：
A) using coating process is blown down in 11 surface of release layer coating, one layer of LOCA, coating thickness is 100 μm, LOCA types
For UV systems LOCA；The coating machine that the coating apparatus used produces for Ze Rui companies, coating speed 8mm/s, air pressure 0.3MPa；
B) LOCA semi-solid preparations：Semi-solid preparation is carried out to LOCA using the farsighted coating machine in pool included solidification function, is cured using UV
The semi-solid preparation for completing UV system LOCA, makes LOCA layers to reach g., jelly-like effect, obtains the first LOCA layers 12；Solidification energy is 100mj/
mm2；
C) pressure carves the first groove pattern 16：Using accurate cutting die, cutting die is packed on cylinder, required gap is then transferred to,
Start to press down, pressure 350kg, speed 12mm/ after pressure quarter when the first LOCA layers 12 form the first groove pattern 16, and pressure is carved
S, it is 4 μm to press the depth of the groove at quarter and width；It is specific as shown in Figures 2 and 3；
D) the first conductive layer 13 is printed：Using silk-screen printing technique in 16 interior printing silver paste of the first groove pattern, printing
Spacing between halftone and the first LOCA is 2-4mm, and print speed printing speed 100mm/s, print pass is twice, to avoid biting；Later
Utilize acid solution (such as HNO3And/or HCL) removal silver paste residue, obtain the first conductive layer 13；Specifically such as Fig. 4 and Fig. 5 institutes
Show；
E) step a)~d is repeated on the first LOCA layers 12 and 13 surface of the first conductive layer) prepare the 2nd LOCA layers 14 and the
Metal grill sensor is obtained after two conductive layers 15.
Embodiment 3
As shown in fig. 6, the present embodiment is a kind of touch screen, including 3D glass cover-plates 20 and it is set to 3D glass cover-plates 20 1
The sensor function layer 10 of side surface, the touch screen do not include sensor base layer.
Sensor function layer 10 includes：First LOCA layers 12, the first conductive layer 13, the 2nd LOCA layers 14 and the second conductive layer
15；First LOCA layers 12 are equipped with the first conductive layer 13, and the 2nd LOCA layers 14 are equipped with the second conductive layer 15, the 2nd LOCA layers 14
Insulating effect is played between the first conductive layer 13 and the second conductive layer 15；First LOCA layers 12 are contacted with 3D glass cover-plates.
Embodiment 4
The present embodiment is the preparation method for the touch screen that embodiment 3 provides, and is included the following steps：
The preparation method provided using embodiment 2 obtains metal grill sensor, then removes in metal grill sensor
Release film, using HTS (firmly to soft) slice applying machine bench, using vacuum abutted technology by sensor function layer 10 and 3D glass cover-plates
20 are bonded, and 3D glass cover-plates 20 are bonded with MMSensor to be bonded using CCD para-position, vacuum abutted 230 ± 10Torr of pressure,
1000 ㎏ of laminate pressure is bonded time 5s, touch screen is obtained after fitting.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of metal grill sensor, which is characterized in that including：
(A) release layer that can be removed, and
(B) it is set to the sensor function layer of one side surface of the release layer；
The metal grill sensor does not include sensor base layer.
2. metal grill sensor according to claim 1, which is characterized in that the sensor function layer includes：
First transparent insulating layer and the first conductive layer being set on first transparent insulating layer, and,
Second transparent insulating layer and the second conductive layer being set on second transparent insulating layer, second transparent insulating layer
Between first conductive layer and second conductive layer；
First transparent insulating layer is contacted with the release layer.
3. metal grill sensor according to claim 2, which is characterized in that first transparent insulating layer is first
LOCA layers；
Preferably, the described first LOCA layers thickness be 75-125 microns.
4. metal grill sensor according to claim 2, which is characterized in that second transparent insulating layer is second
LOCA layers；
Preferably, the described 2nd LOCA layers thickness be 75-125 microns.
5. a kind of preparation method of claim 1-4 any one of them metal grill sensor, which is characterized in that described
One side surface of release layer prepares sensor function layer, obtains the metal grill sensor.
6. preparation method according to claim 5, which is characterized in that be sequentially prepared first in one side surface of the release layer
Transparent insulating layer, the first conductive layer, the second transparent insulating layer and the second conductive layer obtain the metal grill sensor.
7. preparation method according to claim 6, which is characterized in that prepared in the release layer surface using coating process
First transparent insulating layer；
Preferably, the first groove pattern is formed in the first transparent insulation layer surface pressure fluting, then uses printing technology
Metal paste is filled in first groove pattern, obtains the first conductive layer after drying；
Preferably, the second transparent insulating layer is prepared in first conductive layer surface using coating process；
Preferably, the second groove pattern is formed in the second transparent insulation layer surface pressure fluting, then uses printing technology
Metal paste is filled in second groove pattern, obtains the second conductive layer after drying.
8. a kind of touch screen, which is characterized in that including：
(A) glass cover-plate, and
(B) it is set to the sensor function layer of one side surface of the glass cover-plate；
The touch screen does not include sensor base layer.
9. a kind of preparation method of touch screen according to any one of claims 8, which is characterized in that first prepare and pass in one side surface of release layer
Sensor functional layer, then removes release layer, and the sensor function layer is bonded with glass cover-plate, obtains the touch
Screen.
10. a kind of equipment, which is characterized in that including touch screen according to any one of claims 8.
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