CN109696990A - A kind of the melanism method and metal grill touch screen of metal grill touch screen - Google Patents
A kind of the melanism method and metal grill touch screen of metal grill touch screen Download PDFInfo
- Publication number
- CN109696990A CN109696990A CN201811367909.5A CN201811367909A CN109696990A CN 109696990 A CN109696990 A CN 109696990A CN 201811367909 A CN201811367909 A CN 201811367909A CN 109696990 A CN109696990 A CN 109696990A
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- CN
- China
- Prior art keywords
- touch screen
- metal
- photosensitive material
- grill touch
- metal grill
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- 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.)
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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
- 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 invention discloses a kind of melanism method of metal grill touch screen and metal grill touch screens.The melanism method includes: step 1: providing a metal grill touch screen, the metal grill touch screen includes substrate and the metal electrode grid that is arranged in the substrate；Step 2: one layer of photosensitive material layer is coated on the electrode surface of the metal grill touch screen, the reflecting rate of the photosensitive material layer is lower than the metal electrode grid；Step 3: development being exposed to the photosensitive material layer, is formed and the equitant photosensitive material grid of the metal electrode grid.The melanism method not will lead to metal electrode grid and the defects of bad, lines sawtooth of etching, heterochromatic occur when carrying out melanism to metal grill touch screen.
Description
Technical field
The present invention relates to the touches of the melanism method and metal grill of the field of touch more particularly to a kind of metal grill touch screen
Screen.
Background technique
Metal grill touch screen is by its low resistance, integration, the simple advantage of processing procedure in the market by more and more
Concern, the characteristic of especially super-low resistance enable it to middle large scale show product in used well, and also
It can support active pen.
Due to metal material reflecting rate with higher, metal electrode grid be easy reflection light and formed bottom shadow and mole
The display problems such as striped, it is therefore desirable to increase by one of blackening craft to reduce its surface reflection rate.Blackening craft is referred in gold
Belong to and be overlapped one layer of low anti-metal grill (generally oxidized metal grid) on the single or double of electrode grid, forms " Sanming City
Control " the combination electrode grid of structure.Blackening craft can stack gradually the low anti-metal film layer of sputtering and metallic film in process
Then layer simultaneously performs etching low anti-metal film layer and metal film layer with etching liquid, forms answering for " sandwich " structure
Composite electrode grid, still, the etch rate of low anti-metal film layer and metal film layer are inconsistent, will lead to various etchings not
Good, lines sawtooth, it is heterochromatic the defects of, the fine degree of especially metal electrode grid has reached line width 5um or so, wants to etching
Ask higher.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides the melanism method and gold of a kind of metal grill touch screen
Belong to grid touch screen.The melanism method not will lead to the appearance of metal electrode grid when carrying out melanism to metal grill touch screen
Etch bad, lines sawtooth, it is heterochromatic the defects of.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of melanism method of metal grill touch screen, comprising:
Step 1: providing a metal grill touch screen, the metal grill touch screen includes substrate and is arranged in the substrate
Metal electrode grid on substrate；
Step 2: on the electrode surface of the metal grill touch screen be coated with one layer of photosensitive material layer, the photosensitive material layer it is anti-
Light rate is lower than the metal electrode grid；
Step 3: development being exposed to the photosensitive material layer, is formed and the equitant photosensitive material of metal electrode grid
Grid.
Further, the photosensitive material layer is black material.
Further, the photosensitive material layer is conductive material.
Further, step 1 includes:
Step 1.1: providing a metallic film substrate, the metallic film substrate includes the substrate and is arranged in the lining
Metal film layer on base material；
Step 1.2: the metal film layer being performed etching, the metal electrode grid is formed.
Further, step 3 includes:
Step 3.1: being exposed using exposure light source to the part in the substrate is covered in the photosensitive material layer；
Step 3.2: the part being exposed in the photosensitive material layer being removed using developer solution, forms the photosensitive material net
Lattice.
Further, when being exposed to the photosensitive material layer, exposure light source is located at the metal grill touch screen
Substrate surface side.
A kind of metal grill touch screen, including substrate and the metal electrode grid that is arranged in the substrate,
It further include the photosensitive material grid overlapped on the metal electrode grid, the reflecting rate of the photosensitive material grid is lower than
The metal electrode grid.
Further, the photosensitive material grid is black material.
Further, the photosensitive material grid is conductive material.
It is made the invention has the following beneficial effects: the melanism method of the lower photosensitive material layer of reflecting rate and institute
The equitant photosensitive material grid of metal electrode grid is stated, to reduce the surface reflection rate of the metal electrode grid, the gold
Belong to and being fabricated separately between electrode grid and photosensitive material grid, the developer solution of the photosensitive material layer will not corrode the metal electricity
Polar net lattice, therefore when carrying out melanism to metal grill touch screen, not will lead to the metal electrode grid occur etching it is bad,
Lines sawtooth, it is heterochromatic the defects of, and the exposure development of the photosensitive material layer is without using metal mask version.
Detailed description of the invention
The step of Fig. 1 is melanism method provided by the invention is schemed；
Fig. 2 is schematic diagram of the metal grill touch screen provided by the invention before non-melanism；
Fig. 3 is schematic diagram of the metal grill touch screen provided by the invention after being coated with photosensitive material layer；
Fig. 4 is schematic diagram of the metal grill touch screen provided by the invention in exposure；
Fig. 5 is schematic diagram of the metal grill touch screen provided by the invention after melanism.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment one
As shown in Figure 1, a kind of melanism method of metal grill touch screen, comprising:
Step 1: a metal grill touch screen is provided, as shown in Fig. 2, the metal grill touch screen includes substrate 1 and sets
Set the metal electrode grid 2 in the substrate 1；
In the step 1, the metal electrode grid 2 includes along a plurality of first metal electrode lines of first direction and along second party
To a plurality of second metal electrode lines, interlaced formation between a plurality of first metal electrode lines and a plurality of second metal electrode lines
It is latticed.
The metal electrode grid 2 can be produced on the substrate 1 by etching technics, silk screen printing process or other techniques
On, wherein by taking etching technics as an example, which includes:
Step 1.1: providing a metallic film substrate, the metallic film substrate includes the substrate 1 and is arranged described
Metal film layer in substrate 1；
In the step 1.1, the substrate 1 can be the transparent materials such as PE, PC, PMMA or PI；The metal film layer
It can be the metal materials such as Cu, Ag, Al or Ti, the substrate 1 can be produced on by sputter, vapor deposition or other techniques
On.
Step 1.2: the metal film layer being performed etching, the metal electrode grid 2 is formed.
In the step 1.2, the metal film layer can pass through wet etching, dry etching, laser ablation or other works
Skill remove should not metal material, the region for being etched away metal material will form regularly arranged multiple white spaces, be left
Metal material form the metal electrode grid 2.
Step 2: as shown in Fig. 2, being coated with one layer of photosensitive material layer 3, institute on the electrode surface of the metal grill touch screen
The reflecting rate of photosensitive material layer 3 is stated lower than the metal electrode grid 2；
In the step 2, the photosensitive material layer 3 can be photosensitive-ink or photoresist, can be used silk-screen or other techniques into
Row coating, after being coated on the electrode surface of the metal grill touch screen, is not placed only on the metal electrode grid 2,
The substrate 1 is also covered on from the white space exposed in the metal electrode grid 2.
Step 3: development being exposed to the photosensitive material layer 3, as shown in figure 5, being formed and the metal electrode grid 2
Equitant photosensitive material grid 31.
In the step 3, the photosensitive material layer 3 is positive photosensitive material, i.e. its part being exposed can developed liquid
Dissolution, the part not being exposed can not be dissolved by the developing.
The step 3 includes:
Step 3.1: being exposed using exposure light source 4 to the part in the substrate 1 is covered in the photosensitive material layer 3
Light；
In the step 3.1, when being exposed to the photosensitive material layer 3, as shown in figure 4, exposure light source 4 is located at the gold
Belong to the substrate surface side of grid touch screen, after exposure light penetrates the substrate 1, a part is radiated at the metal electrode
On grid 2, the photosensitive material being covered on the metal electrode grid 2 in the photosensitive material layer 3 is not exposed；Exposure light
A part is radiated on the photosensitive material layer 3 being covered on 1 white space of substrate, is covered in the photosensitive material layer 3
The photosensitive material covered on 1 white space of substrate is exposed.
Preferably, the photosensitive material layer 3 is UV photosensitive material, and the exposure light source 4 is UV light source.
Step 3.2: the part being exposed in the photosensitive material layer 3 being removed using developer solution, forms the photosensitive material
Expect grid 31.
The melanism method is overlapped to make with the metal electrode grid 2 using the lower photosensitive material layer 3 of reflecting rate
Photosensitive material grid 31, to reduce the surface reflection rate of the metal electrode grid 2, the metal electrode grid 2 and photosensitive
It is fabricated separately between material grid 31, the developer solution of the photosensitive material layer 3 will not corrode the metal electrode grid 2, therefore
When carrying out melanism to metal grill touch screen, not will lead to the metal electrode grid 2 occur bad etching, lines sawtooth,
The defects of heterochromatic, and the exposure development of the photosensitive material layer 3 is without using metal mask version.
Preferably, the photosensitive material layer 3 is black conducting materials, is starched by the carbon controlled in the photosensitive material layer 3
Its black level is adjusted in ratio, to achieve the purpose that adjust its reflecting rate；Electric conductivity can avoid the sense when binding FPC
Optical material layer 3 leads to the overlap joint position too high in resistance of peripheral leads.
Embodiment two
As shown in figure 5, a kind of metal grill touch screen formed by melanism method described in embodiment one, including substrate base
Material 1 and the metal electrode grid 2 being arranged in the substrate 1, further include overlapping on the metal electrode grid 2
Photosensitive material grid 31, the reflecting rate of the photosensitive material grid 31 is lower than the metal electrode grid 2.
Preferably, the photosensitive material grid 31 is black conducting materials.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (9)
1. a kind of melanism method of metal grill touch screen characterized by comprising
Step 1: providing a metal grill touch screen, the metal grill touch screen includes substrate and is arranged in the substrate
Metal electrode grid on substrate；
Step 2: on the electrode surface of the metal grill touch screen be coated with one layer of photosensitive material layer, the photosensitive material layer it is anti-
Light rate is lower than the metal electrode grid；
Step 3: development being exposed to the photosensitive material layer, is formed and the equitant photosensitive material of metal electrode grid
Grid.
2. the melanism method of metal grill touch screen according to claim 1, which is characterized in that the photosensitive material layer is
Black material.
3. the melanism method of metal grill touch screen according to claim 1 or 2, which is characterized in that the photosensitive material
Layer is conductive material.
4. metal grill touch screen melanism method according to claim 1, which is characterized in that step 1 includes:
Step 1.1: providing a metallic film substrate, the metallic film substrate includes the substrate and is arranged in the lining
Metal film layer on base material；
Step 1.2: the metal film layer being performed etching, the metal electrode grid is formed.
5. the melanism method of metal grill touch screen according to claim 1, which is characterized in that step 3 includes:
Step 3.1: being exposed using exposure light source to the part in the substrate is covered in the photosensitive material layer；
Step 3.2: the part being exposed in the photosensitive material layer being removed using developer solution, forms the photosensitive material net
Lattice.
6. the melanism method of metal grill touch screen according to claim 1 or 5, which is characterized in that described photosensitive
When material layer is exposed, exposure light source is located at the substrate surface side of the metal grill touch screen.
7. a kind of metal grill touch screen, including substrate and the metal electrode grid being arranged in the substrate,
It is characterized in that；It further include the photosensitive material grid overlapped on the metal electrode grid, the photosensitive material grid
Reflecting rate is lower than the metal electrode grid.
8. metal grill touch screen according to claim 7, which is characterized in that the photosensitive material grid is black material
Material.
9. metal grill touch screen according to claim 7 or 8, which is characterized in that the photosensitive material grid is conduction
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367909.5A CN109696990A (en) | 2018-11-16 | 2018-11-16 | A kind of the melanism method and metal grill touch screen of metal grill touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367909.5A CN109696990A (en) | 2018-11-16 | 2018-11-16 | A kind of the melanism method and metal grill touch screen of metal grill touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109696990A true CN109696990A (en) | 2019-04-30 |
Family
ID=66229855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811367909.5A Pending CN109696990A (en) | 2018-11-16 | 2018-11-16 | A kind of the melanism method and metal grill touch screen of metal grill touch screen |
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| CN (1) | CN109696990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432571A (en) * | 2020-02-20 | 2020-07-17 | 南昌欧菲光科技有限公司 | Blackening method of conductive substrate, conductive substrate and electronic equipment |
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| CN102929462A (en) * | 2012-10-29 | 2013-02-13 | 烟台正海科技有限公司 | Capacitive touch panel |
| JP2014085771A (en) * | 2012-10-22 | 2014-05-12 | Toppan Printing Co Ltd | Capacitance type touch panel sensor substrate and method for manufacturing the same and display device |
| CN105467748A (en) * | 2014-09-30 | 2016-04-06 | 富士胶片株式会社 | Manufacturing method for metal pattern substrate, touch sensor, touch screen, liquid display device, and organic EL display device |
| CN106095172A (en) * | 2016-06-07 | 2016-11-09 | 京东方科技集团股份有限公司 | Touch sensing, the preparation method of touch sensing, touch screen and electronic product |
| CN106484160A (en) * | 2015-08-26 | 2017-03-08 | 启耀光电股份有限公司 | Display device, contact panel and its manufacture method |
| CN106648201A (en) * | 2016-09-30 | 2017-05-10 | 业成科技（成都）有限公司 | Melanized metal grid structure and manufacture method thereof |
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2018
- 2018-11-16 CN CN201811367909.5A patent/CN109696990A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110279403A1 (en) * | 2010-05-16 | 2011-11-17 | Tpk Touch Solutions (Xiamen) Inc. | Capacitive touch panel and a method of reducing the visibility of metal conductors in capacitive touch panel |
| JP2014085771A (en) * | 2012-10-22 | 2014-05-12 | Toppan Printing Co Ltd | Capacitance type touch panel sensor substrate and method for manufacturing the same and display device |
| CN102929462A (en) * | 2012-10-29 | 2013-02-13 | 烟台正海科技有限公司 | Capacitive touch panel |
| CN105467748A (en) * | 2014-09-30 | 2016-04-06 | 富士胶片株式会社 | Manufacturing method for metal pattern substrate, touch sensor, touch screen, liquid display device, and organic EL display device |
| CN106484160A (en) * | 2015-08-26 | 2017-03-08 | 启耀光电股份有限公司 | Display device, contact panel and its manufacture method |
| CN106095172A (en) * | 2016-06-07 | 2016-11-09 | 京东方科技集团股份有限公司 | Touch sensing, the preparation method of touch sensing, touch screen and electronic product |
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| CN111432571A (en) * | 2020-02-20 | 2020-07-17 | 南昌欧菲光科技有限公司 | Blackening method of conductive substrate, conductive substrate and electronic equipment |
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Application publication date: 20190430 |