CN208271158U - A kind of metal grill touch screen and the terminal using the touch screen - Google Patents
A kind of metal grill touch screen and the terminal using the touch screen Download PDFInfo
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- CN208271158U CN208271158U CN201820900227.5U CN201820900227U CN208271158U CN 208271158 U CN208271158 U CN 208271158U CN 201820900227 U CN201820900227 U CN 201820900227U CN 208271158 U CN208271158 U CN 208271158U
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- metal grill
- touch screen
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- optical film
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Abstract
Metal grill touch screen provided by the utility model and the terminal for using the touch screen, it makes ink layer on the cover board, first metal grill is produced on ink layer, second metal grill is produced on optical film, 3 yellow light processes are only needed in the preparation process of metal grill touch panel, the road 1-3 is reduced than the road 4-6 yellow light process needed for traditional metal grill touch panel, process materials cost reduces 25-50%, and the touch panel of above-mentioned metal grill touch screen only needs the fitting of 1 optical cement in preparation process, compared to 2-3 times traditional fitting, process materials cost savings 50-67%, due to only needing one layer of optical cement in touch panel, the transmitance of touch panel improves 5%-10%；And then there are lower raw material and process costs using the touch screen of above-mentioned touch panel and corresponding terminal, light transmittance is higher, can satisfy job requirement of the product under a variety of environment and operating condition.
Description
Technical field
The utility model relates to the technical fields of touch screen, more particularly, to a kind of metal mesh of the high and low cost of transmitance
Lattice touch screen.
Background technique
As touch-screen applications range is gradually widened, application environment is more diversified, the following mobile terminal wearable is set
The products such as standby, intelligent appliance, to the solid demand that has of touch panel, while as touch panel is in large size, low priceization, with
And the factors such as traditional ito thin film cannot be used for flexible application, and the essential problems such as electric conductivity and light transmittance are not easily overcome, many panels
Manufacturer begins one's study the substitute of ITO one after another, develops that it is preferable to metal grill technologies among these.
Metal grill technology utilizes silver-colored, the readily available and cheap raw material such as the metal materials such as copper or oxide,
Compacting is formed by conductive metal lattice on the plastic films such as PET；Its theoretical lowest resistance value can reach 0.1 Europe
Nurse/square inch, and just have good electromagnetic interference shield effect.But it is constrained to the technological level of traditional printing production,
The metal line width of touch control sensor pattern obtained by it is thicker, and typically larger than 5um will lead to the Mo Ruigan under high pixel in this way
Relate to ripple clearly；It is intended to substantially reducing line width into not a duck soup, traditional compacting printing technology is unable to satisfy requirement, needs to adopt
With yellow light process technique, and yellow light technique cost itself is relatively high；The metal grill prepared in the prior art by yellow light process
Touch screen generally requires 4-6 yellow light process, and at least three optical cement laminating layer is wherein at least needed to be bonded, whole
The preparation cost of technique is higher, and since the transmitance highest of optical cement is also only 95% or so, using multiple optics
Glue laminating layer will lead to the transmitance offset sharper slowdowns of screen, and therefore, how while cost is reduced metal grill technology at present
It can also ensure that higher transmitance is a difficult point.
Utility model content
The purpose of this utility model is to provide a kind of metal grill touch screens, to solve the touching of prior art metal grill
Touch the technical problem that screen preparation cost is high, screen transmitance is low.
Another of the utility model is designed to provide a terminal, which touches with foregoing metal grill
Screen is touched, to solve the technical problem that end product of the prior art with metal touch screen is at high cost and screen transmitance is low.
A kind of metal grill touch screen provided by the utility model, which is characterized in that from top to bottom successively include: cover board,
Ink layer, the first metal grill, the second metal grill, optical film, display screen；Wherein:
Ink layer is coated on the cover board by yellow light process, and the first metal grill is produced on ink layer by yellow light process
Upper, the second metal grill is produced on optical film by yellow light process；
Ink layer with the first metal grill is bonded with the optical film with the second metal grill by optical cement,
To make cover board, ink layer, the first metal grill, the second metal grill, optical film constitute a touch panel；
The lowermost optical film positioned at touch panel is bonded with display screen.
Further, the ink layer with the first metal grill and pass through between the optical film with the second metal grill
OCA or OCR fitting.
Further, OCA or OCR is fitted between the lowermost optical film and display screen positioned at touch panel
Full fitting.
Further, four edges of the lowermost optical film lower surface positioned at touch panel are bonded two-sided
Glue, and be bonded by above-mentioned double-sided adhesive with display screen, there is also an air layers between optical film and display screen.
Further, the optical film is PET film or COP film or TCTF film or TAC film or COC film.
Further, the cover board is glass cover-plate or plastic cement composite plate cover board.
Further, the display screen is LCM mould group or OLED.
Further, also there is one layer of antifog film or preventing from scraping film or rupture pressure disc or radiation prevention film in the upper surface of the cover board
Or anti-corrosion film.
The utility model also provides a kind of terminal, with metal grill touch screen described in aforementioned any technical solution,
It simultaneously further include substrate, frame, the metal grill touch screen and substrate are assembled into an assembly, which is embedded in institute
In the frame stated.
Further, there is insulating layer, the insulating layer is shape by ceramic powder filled epoxy resin on the substrate
At polymer, the matrix of substrate is copper base or aluminum substrate.
A kind of metal grill touch screen provided by the utility model, which is characterized in that from top to bottom successively include: cover board,
Ink layer, the first metal grill, the second metal grill, optical film, display screen；Wherein: ink layer is coated on by yellow light process
On cover board, the first metal grill is produced on ink layer by yellow light process, the second metal grill is produced on by yellow light process
On optical film；Ink layer with the first metal grill is pasted with the optical film with the second metal grill by optical cement
It closes, so that cover board, ink layer, the first metal grill, the second metal grill, optical film be made to constitute a touch panel；Positioned at touching
The lowermost optical film of control panel is bonded with display screen.
The utility model also provides a kind of terminal, with metal grill touch screen described in aforementioned any technical solution,
It simultaneously further include substrate, frame, the metal grill touch screen and substrate are assembled into an assembly, which is embedded in institute
In the frame stated.
Ink layer production is produced on ink layer on the cover board, by the first metal grill by above-mentioned metal grill touch screen
Above, the second metal grill is produced on optical film, 3 yellow light systems is only needed in the preparation process of metal grill touch panel
Journey reduces the road 1-3 than the road 4-6 yellow light process needed for traditional metal grill touch panel, and process materials cost reduces 25-
50%, and the touch panel of above-mentioned metal grill touch screen only needs the fitting of 1 optical cement in preparation process, compared to biography
2-3 fitting of system, process materials cost savings 50-67%, simultaneously because only needing one layer of optical cement, touch-control in touch panel
The transmitance of panel improves 5%-10%；In turn, had using the touch screen of above-mentioned touch panel and corresponding terminal lower
Raw material and process costs, and light transmittance is higher, can satisfy job requirement of the product under a variety of environment and operating condition.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural decomposition diagram for the metal grill touch screen that the utility model one of which embodiment provides；
Fig. 2 is the structural decomposition diagram of the utility model metal grill touch screen that wherein another embodiment provides.
Appended drawing reference:
101- preventing from scraping film；102- radiation prevention film, 2- glass cover-plate；3- ink layer；The first metal grill of 401-；402- second
Metal grill；5-OCA laminating layer；6-PET optical film；7- display screen；8- double-sided adhesive.
Specific embodiment
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1
As shown in Figure 1, a kind of metal grill touch screen provided in this embodiment, which is characterized in that from top to bottom successively wrap
It includes: glass cover-plate 2, ink layer 3, the first metal grill 401, the second metal grill 402, PET optical film 6, OLED display screen 7；
Wherein:
Ink layer 3 is coated on glass cover-plate 2 by yellow light process, and the first metal grill 401 is made by yellow light process
On ink layer 3, the second metal grill 402 is produced on PET optical film 6 by yellow light process；
Ink layer 3 with the first metal grill 401 passes through optics with the PET optical film 6 with the second metal grill 402
Glue OCA laminating layer 5 is bonded, thus make glass cover-plate 2, ink layer 3, the first metal grill 401, the second metal grill 402,
PET optical film 6 constitutes a touch panel；
The lowermost PET optical film 6 positioned at touch panel is bonded with OLED display screen 7 by OCA laminating layer 5；
Also there is preventing from scraping film 101 in the upper surface of glass cover-plate 2.
As the alternate embodiments of the present embodiment, optical film is also an option that as COP film, TCTF film, TAC film, COC
Film；COP film has 92% or so transmitance, and has excellent mechanicalness, temperature tolerance and weatherability；TAC film has excellent
Optical property and steam penetrance；TCTF is to inhibit the wiring resistance values increase occurred by touch panel enlargement to ask
Topic, while electric conductivity and high transparency are more excellent；COC film stretching is had excellent performance and impact strength.
As the alternate embodiments of the present embodiment, optical cement is also an option that as OCR material, the fitting cost of OCR compared with
It is low, and the light transmittance after fitting is also higher, while disassembling simple, regeneration yield height after dismantling.
As the alternate embodiments of the present embodiment, the cover board is also an option that as plastic composite cover plate, and plastic cement is compound
The excellent tenacity of cover board, shock resistance is strong, and the fraction defective in process is low, and is easy molding.
Embodiment 2
As shown in Fig. 2, a kind of metal grill touch screen provided in this embodiment, which is characterized in that from top to bottom successively wrap
It includes: glass cover-plate 2, ink layer 3, the first metal grill 401, the second metal grill 402, PET optical film 6, OLED display screen 7；
Wherein:
Ink layer 3 is coated on glass cover-plate 2 by yellow light process, and the first metal grill 401 is made by yellow light process
On ink layer 3, the second metal grill 402 is produced on PET optical film 6 by yellow light process；
Ink layer 3 with the first metal grill 401 passes through optics with the PET optical film 6 with the second metal grill 402
Glue OCA laminating layer 5 is bonded, thus make glass cover-plate 2, ink layer 3, the first metal grill 401, the second metal grill 402,
PET optical film 6 constitutes a touch panel；
Four edges positioned at 6 lower surface of the lowermost PET optical film of touch panel are bonded double-sided adhesive 8, and pass through
Above-mentioned double-sided adhesive 8 is bonded with OLED display screen 7, and there is also an air layers between PET optical film 6 and OLED display screen 7；
Also there is radiation prevention film 102 in the upper surface of glass cover-plate 2.
As the alternate embodiments of the present embodiment, antifog film or rupture pressure disc or anticorrosion can also be used on cover board
Film substitutes radiation prevention film, and antifog film can be avoided hazing under high humility or hot and cold alternation environment course of work cover plate；
The splashing of fragment when rupture pressure disc can prevent cover board broken；Anti-corrosion film can be avoided cover board in a corrosive environment in the course of work
The generation of corrosion phenomenon.
As the alternate embodiments of the present embodiment, display screen can also be LCM mould group, and LCM mould group has size advantage,
And radiationless in the course of work, flicker free, energy consumption is also relatively low, good visual effect.
Embodiment 3
The present embodiment also provides a kind of terminal, has a metal grill touch screen, while further including substrate, frame；
The metal grill touch screen from top to bottom successively include: glass cover-plate 2, ink layer 3, the first metal grill 401,
Second metal grill 402, PET optical film 6, OLED display screen 7；Wherein: ink layer 3 is coated on glass cover-plate by yellow light process
On 2, the first metal grill 401 is produced on ink layer 3 by yellow light process, the second metal grill 402 passes through yellow light process system
Make on PET optical film 6；Ink layer 3 with the first metal grill 401 and the PET optical film with the second metal grill 402
6 are bonded by optical cement OCA laminating layer 5, to make glass cover-plate 2, ink layer 3, the first metal grill 401, the second gold medal
Belong to grid 402, PET optical film 6 constitutes a touch panel；The lowermost PET optical film 6 and OLED positioned at touch panel is aobvious
Display screen 7 is bonded by OCA laminating layer 5；Also there is preventing from scraping film 101 or radiation prevention film 102 in the upper surface of glass cover-plate 2.
The metal grill touch screen and substrate are assembled into an assembly, which is embedded in the frame；
There is insulating layer, the insulating layer is the polymer formed by ceramic powder filled epoxy resin, substrate on the substrate
Matrix is copper base.
As the alternate embodiments of the present embodiment, substrate is also an option that as aluminum substrate, and aluminum substrate has excellent lead
Hot and specific strength is high, and corrosion resistance and anti-seismic performance are strong.
It should be noted that the patterning schemes of first metal grill and the second metal grill press capacitance touch structure
It designs, i.e., described first metal grill is the first touch function layer, for incuding touch point in the position of X-direction；It is described
Second metal grill is second touch control electrode, for incuding touch point in the position of Y direction.First metal grill and
Two metal grills are connected separately with external electrode, wherein external electrode, that is, golden finger, the transmission for signal.
Wherein, the material of first metal grill and the second metal grill be Cu, Ag, Al, Ti or Ni at least
It is a kind of.
Wherein, the grid pattern of the metal mesh compartment is rectangle, square, diamond shape, hexagon or other polygon
Shape, 100~500 μm of mesh equivalent diameter, the width of grid lines is 1~5 μm.
Not only itself is opaque for metallic mesh material, can also reflection light, cause metal grill to be easy visually to be found,
To influence the display effect of touch screen, in traditional technique, metal mesh is reduced often through by the way of melanism target
The generation of the reflex of lattice, however, melanism target is at high cost to will lead to product cost rising.
In order to overcome the above problem, it is further improved, first metal grill and/or the second metal grill share three
Layer, from top to bottom successively are as follows: Molybdenum nitride layers, metal layer, Mo layers or Molybdenum nitride layers, wherein the metal layer is Al layers or Cu layers
Or Ag layers, but not limited to this.Preferably, three layers of thickness preferably but does not limit and is followed successively by 300 ~ 800 angstroms, 1000 ~ 3000
Angstrom and 300 ~ 800 angstroms.
It should be noted that the metal mesh compartment being made of three-decker successively can be deposited or sputter Molybdenum nitride layers, metal
Layer, Mo layers or Molybdenum nitride layers, again property yellow light technique.
By the way that one layer of Molybdenum nitride layers are arranged in the upper surface of metal mesh compartment, since molybdenum nitride is a kind of Dark grey cubic crystal
Body, it can be ensured that the metal layer of metal grill is blocked by it, to showing for high reflection will not occur under strong illumination
As, without carrying out blackening craft again, effectively control cost while improving the display quality of touch screen, and due to
Metal layer is blocked by molybdenum nitride, therefore, even if the not line width of strict control metal grill, unauspicious interference phenomenon will not occurs,
Therefore, the preparation process of metal grill is required lower, can had while guaranteeing product antiradar reflectivity, high display quality
There is low cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, but those skilled in the art answer
Work as understanding: it is still possible to modify the technical solutions described in the foregoing embodiments, either to part of or complete
Portion's technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical
The range of novel each embodiment technical solution.
Claims (10)
1. a kind of metal grill touch screen, which is characterized in that from top to bottom successively include: cover board, ink layer, the first metal mesh
Lattice, the second metal grill, optical film, display screen；Wherein:
Ink layer is coated on the cover board by yellow light process, and the first metal grill is produced on ink layer by yellow light process, the
Two metal grills are produced on optical film by yellow light process；
Ink layer with the first metal grill is bonded with the optical film with the second metal grill by optical cement, thus
Cover board, ink layer, the first metal grill, the second metal grill, optical film is set to constitute a touch panel；
The lowermost optical film positioned at touch panel is bonded with display screen.
2. a kind of metal grill touch screen according to claim 1, which is characterized in that the ink with the first metal grill
Layer is bonded between the optical film with the second metal grill by OCA or OCR.
3. a kind of metal grill touch screen according to claim 1, which is characterized in that described positioned at the most lower of touch panel
Fit into OCA or OCR between the optical film at end and display screen are bonded entirely.
4. a kind of metal grill touch screen according to claim 1, which is characterized in that described positioned at the most lower of touch panel
Four edges of the optical film lower surface at end are bonded double-sided adhesive, and are bonded by above-mentioned double-sided adhesive with display screen, in optical film
There is also an air layers between display screen.
5. a kind of metal grill touch screen according to claim 1, which is characterized in that the optical film is PET film or COP
Film or TCTF film or TAC film or COC film.
6. a kind of metal grill touch screen according to claim 1, which is characterized in that the cover board is glass cover-plate or modeling
Glue composite plate cover board.
7. a kind of metal grill touch screen according to claim 1, which is characterized in that the display screen be LCM mould group or
Person OLED.
8. a kind of metal grill touch screen according to claim 1, which is characterized in that also have in the upper surface of the cover board
There are one layer of antifog film or preventing from scraping film or rupture pressure disc or radiation prevention film or anti-corrosion film.
9. a kind of terminal, which is characterized in that the terminal has metal mesh described in claim 1-8 any one claim
Lattice touch screen, while further including substrate, frame, the metal grill touch screen and substrate are assembled into an assembly, the assembly
Body is embedded in the frame.
10. a kind of terminal according to claim 9, which is characterized in that have insulating layer, the insulating layer on the substrate
For the polymer formed by ceramic powder filled epoxy resin, the matrix of substrate is copper base or aluminum substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900227.5U CN208271158U (en) | 2018-06-12 | 2018-06-12 | A kind of metal grill touch screen and the terminal using the touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820900227.5U CN208271158U (en) | 2018-06-12 | 2018-06-12 | A kind of metal grill touch screen and the terminal using the touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN208271158U true CN208271158U (en) | 2018-12-21 |
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|---|---|---|---|
| CN201820900227.5U Active CN208271158U (en) | 2018-06-12 | 2018-06-12 | A kind of metal grill touch screen and the terminal using the touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467636A (en) * | 2021-05-18 | 2021-10-01 | 北海翰博士科技有限公司 | Metal grid touch panel with winding nodes and preparation method thereof |
-
2018
- 2018-06-12 CN CN201820900227.5U patent/CN208271158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113467636A (en) * | 2021-05-18 | 2021-10-01 | 北海翰博士科技有限公司 | Metal grid touch panel with winding nodes and preparation method thereof |
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